CN106688230A - Stereoscopic depth adjustment and focus point adjustment - Google Patents

Stereoscopic depth adjustment and focus point adjustment Download PDF

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Publication number
CN106688230A
CN106688230A CN201580043196.5A CN201580043196A CN106688230A CN 106688230 A CN106688230 A CN 106688230A CN 201580043196 A CN201580043196 A CN 201580043196A CN 106688230 A CN106688230 A CN 106688230A
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China
Prior art keywords
frame
key element
eye viewing
right eye
left eye
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CN201580043196.5A
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Chinese (zh)
Inventor
贝赫鲁兹·A·马利基
萨尔文纳兹·萨克霍什
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Bit An Nimeite Co Ltd
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Bit An Nimeite Co Ltd
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Priority claimed from US14/301,140 external-priority patent/US9973745B2/en
Priority claimed from US14/301,132 external-priority patent/US9674500B2/en
Application filed by Bit An Nimeite Co Ltd filed Critical Bit An Nimeite Co Ltd
Publication of CN106688230A publication Critical patent/CN106688230A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/128—Adjusting depth or disparity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N2013/0074—Stereoscopic image analysis
    • H04N2013/0085—Motion estimation from stereoscopic image signals

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

A method of adjusting depth in a stereoscopic video may include generating a left-eye viewing frame of a stereoscopic video. The left-eye viewing frame may include a plurality of left-eye viewing frame elements. The method may also include generating a right-eye viewing frame of the stereoscopic video. The right-eye viewing frame may correspond to the left-eye viewing frame and may include a plurality of right-eye viewing frame elements. Further, each right-eye viewing frame element may correspond to one of the left-eye viewing frame elements. The method may additionally include determining an offset between each right-eye viewing frame element and its corresponding left-eye viewing frame element. Further, the method may include applying a uniform multiplying factor to each offset such that a perceived depth associated with the stereoscopic video is adjusted on a substantially uniform scale.

Description

Three-dimensional depth is adjusted and focus adjustment
Technical field
Present disclosure is related to stereo data process, and it includes depth adjustment and focus adjustment.
Background technology
In recent years, the three-dimensional (solid) for generating 3 D video (for example, TV, film etc.) is imaged and has become more next It is more popular.One reason for this is that the camera for creating 3 D video and post-production technology have great improvement.It is three-dimensional The Another reason that video catches on is that the public of viewing amusement seems to be ready to pay extra-pay for this special-effect.
However, compared with using two-dimentional (monoscopic) technology, three-dimensional technique for taking is caused to be shot using 3-D technology and regarded Frequency is substantially more expensive.Additionally, there are it is that millions of portions have made but be not use 3-D technology shoot two-dimensional video.
Therefore, many people always strive to for two-dimensional video to be converted to 3 D video.However, for two-dimensional video to be converted to These methods of three-dimensional viewing are possibly ineffective, be resource-intensive and/or fail to produce acceptable result (example Such as, produce cardboard local and cut out effect).
Claimed theme is not limited to the enforcement for solving any shortcoming or only operating in all such as above-mentioned environment Scheme.Conversely, this background be merely provided for explaining can put into practice one of some embodiments described herein it is exemplary Technical field.
The content of the invention
According to the one side of embodiment, a kind of method of the depth in adjustment three-dimensional video-frequency can include generating solid The left eye viewing frame of video.Left eye viewing frame can include that multiple left eyes watch frame key element.The method can also include generating standing The right eye viewing frame of volumetric video.Right eye viewing frame can correspond to left eye viewing frame, and can include that multiple right eyes watch frame Key element.Additionally, each right eye viewing frame key element can correspond in left eye viewing frame key element.The method can be wrapped in addition Include the skew for determining that the corresponding left eye of each right eye viewing frame key element is watched between frame key element.Additionally, the method can be wrapped Include the multiplication factor (multiplying factor) unified to each offset applications so that with substantially unified rescaling The perceived depth being associated with three-dimensional video-frequency.
According to the another aspect of embodiment, a kind of method of the focus in adjustment three-dimensional video-frequency can include generating stereopsis The left eye viewing frame of frequency.Left eye viewing frame can include that multiple left eyes watch frame key element.The method can also include generating solid The right eye viewing frame of video.Right eye viewing frame can correspond to left eye viewing frame, and can include that multiple right eyes viewing frame will Element.Additionally, each right eye viewing frame key element can correspond in left eye viewing frame key element.The method can be comprised additionally in Determine the skew between the corresponding left eye viewing frame key element of each right eye viewing frame key element.Additionally, the method can include The summation factor unified to each offset applications so that each right eye viewing frame key element will relative to its corresponding left eye viewing frame Element uniformly shifts substantially identical amount, to adjust the perception focus being associated with three-dimensional video-frequency.
The objects and advantages of embodiment will come real at least through the key element particularly pointed out in claim, feature and combination Now and complete.
It should be appreciated that foregoing general description and it is described in detail below be all exemplary and explanat, and The present invention for required protection is not limited.
Description of the drawings
Exemplary embodiment will be described and explained with extra characteristic and details by using accompanying drawing, in accompanying drawing：
Fig. 1 shows the example system for generating three-dimensional (3-D) video based on monoscopic (2-D) video；
Fig. 2 shows and describes the movement based on key element between the different frame of monoscopic video to generate and monoscopic video The block diagram of associated modification frame；
Fig. 3 shows and describes the block diagram for generating the modification frame being associated with monoscopic video, wherein can be based on One or more of monoscopic video infer frame to generate one or more modification frames；
Fig. 4 is shown and describes the left eye viewing that three-dimensional video-frequency is generated based on the right translation effect being associated with monoscopic video Frame and right eye watch the block diagram of frame；
Fig. 5 is shown and describes the left eye viewing that three-dimensional video-frequency is generated based on the left effect being associated with monoscopic video Frame and right eye watch the block diagram of frame；
Fig. 6 shows the left eye sight that camera effect generates three-dimensional video-frequency of reducing described based on being associated with monoscopic video See that frame and right eye watch the block diagram of frame；
Fig. 7 shows the left eye sight that camera effect generates three-dimensional video-frequency of amplifying described based on being associated with monoscopic video See that frame and right eye watch the block diagram of frame；
Fig. 8 shows the example frame of monoscopic video, wherein the frame include most move key element soon, move slowly at key element and Primary element；
Fig. 9 be based on be associated with scene most move soon key element, move slowly in key element and Primary element at least one The flow chart of the illustrative methods of individual prospect and/or background to determine scene；
Figure 10 is shown for the movement based on the prospect and/or background being associated with monoscopic video from monoscopic video The left eye viewing frame and right eye for generating three-dimensional video-frequency watches the block diagram of frame；
Figure 11 be based on camera effect by monoscopic Video Quality Metric for three-dimensional video-frequency illustrative methods flow chart；
Figure 12 A show the example scenarios that can be perceived by left eye and right eye；
Figure 12 B depict example grid, it illustrates and are likely to be present in the three-dimensional video-frequency being associated with the scene of Figure 12 A Left eye viewing frame and right eye viewing frame in key element between exemplary offset；
Figure 12 C depict example grid, it illustrates unified multiplication factor is applied to Figure 12 B skew it Afterwards, the key element of Figure 12 B watches the skew of frame relative to its respective left eye viewing frame and right eye；
Figure 12 D depict example grid, it illustrates the unified summation factor is applied to Figure 12 B skew it Afterwards, the key element of Figure 12 B watches the skew of frame relative to its respective left eye viewing frame and right eye；
Figure 13 is the flow chart of the illustrative methods of the depth for adjusting three-dimensional video-frequency；And
Figure 14 is the flow chart of the illustrative methods of the focus for adjusting three-dimensional video-frequency, all these all according to described herein At least some embodiment is arranging.
Specific embodiment
The mankind have a binocular vision system, and the binocular vision system uses (about 6.5 lis of interval about two and half Rice) two eyes.Each eye is from a slightly different visual angle viewing world.Brain is counted using the difference at these visual angles Calculate or measurement distance.This binocular vision system partly has the ability for determining object distance with relatively good precision. The relative distance of the multiple objects in visual field can be determined with the help of binocular vision.Can also be with the help of binocular vision Determine the relative distance of the multiple objects in visual field.
Three-dimensional (solid) imaging utilizes the depth perceived by binocular vision by the way that two sub-pictures are presented to beholder, wherein One sub-picture presents to an eyes (for example, left eye), and another sub-picture presents to another eyes (for example, right eye).It is in Now giving the image of two eyes can include substantially the same key element, but the key element in two sub-pictures can be offset from one another, To imitate the skew visual angle that can be in daily life perceived by the eyes of beholder.Therefore, beholder can perceive and be retouched by image The depth of the key element painted.
Traditionally, using the interval being mounted side by side approximately three to eight inches of two video sources (for example, camera) making 3 D video, to capture the scene that may be perceived by two different eyes.The distance is commonly known as " between centers " or " two Between " distance.Therefore, two video sources create two videos；One is used for left eye, and one is used for right eye.Two videos can be by Put together as three-dimensional (or " 3-D ") video, wherein right eye video presents to the right eye of beholder, and left-eye video is presented to The left eye of beholder so that beholder perceives in three dimensions video.Conversely, according to some embodiments of present disclosure, standing Volumetric video can obtain three-dimensional video-frequency from the video obtained by using single (monoscopic) video source.Obtain from monoscopic video source To these videos can be referred to as " 2-D " or " monoscopic video ".
Term " video " can refer to the image of any mobile type, and can include such as, but not limited to film, TV Program, event (for example, competitive sports, concert etc.), family movie, the internet video of record etc..Video is by a series of " frame " (referred to as " frame " or " frame of video ") is constituted, and each frame shows the feelings that can include key element or object (being referred to as " key element ") The image of scape.Key element can be mobile or can be static.For example, frame can be including such as mountain, hills, tree The image of the landscape of the key elements such as wood, animal, building, aircraft, train, automobile.
According to some embodiments, key element monoscopic video the first frame relative to monoscopic video the second frame (example Such as, the subsequent frame or previous frame of the first frame) between movement can be used for generate one or more modification first frames, its correspondence In the first frame and can be used for generate three-dimensional video-frequency.In some embodiments, the first frame and the second frame can be continuous Frame, and in other embodiments, one or more intermediate frames can be included between the first frame and the second frame.First frame and First frame of modification can include substantially the same key element, and the movement based on key element between the first frame and the second frame, the One or more elements in one frame and the first frame of modification are offset from one another.In addition, the movement of key element can be used for analysis relatively In camera effect (for example, zooming effect, panning effect, rotates effe and/or the static effect of the first frame and the second frame (stationary effect)).In some embodiments, the first of modification can be generated based on the camera effect of analysis Frame.
In some embodiments, can be in camera effect and the first frame and the first frame of modification based on determined by extremely Few one generates the left eye viewing frame that can be configured to be watched by the left eye of beholder.Similarly, it is also based on being determined Camera effect and the first frame and at least one of first frame of modification generate and can be configured to be watched by the right eye of beholder Right eye viewing frame.The process can be repeated to multiple frames of monoscopic video, be seen with the corresponding left eye for generating three-dimensional video-frequency See frame and right eye viewing frame.Therefore, in such embodiments, can based on analyzed camera effect and the first frame and Movement between second frame associated there generates three-dimensional video-frequency from monoscopic video.
In addition, in some embodiments, the generation of left eye viewing frame and right eye viewing frame can be based on the first frame and The determination of the movement of at least one of the associated foreground and background of scene of monoscopic video of second frame.At these Or in other embodiments, can be based on be included in the scene being associated with the first frame and the second frame most move soon key element, Move slowly at key element and/or Primary element to determine prospect and/or background.
Furthermore it is possible to be included in the skew between the key element that left eye is watched in frame and right eye viewing frame by adjustment to change Depth value in three-dimensional video-frequency.In addition it is also possible to by adjusting the skew between key element which key element may be in and be stood Amendment is made in perception in the prospect or background of the associated scene of volumetric video.
Right eye viewing frame described herein and left eye viewing frame can also be referred to as " eye image " and " left-eye image ". In addition, right eye viewing frame and left eye viewing frame be used for any suitable 3D forms such as upper/lower, left/right, Hi-Fi 3D、3D or any other applicable 3D form are generating three-dimensional video-frequency.
Fig. 1 illustrate some embodiments according to present disclosure for being generated based on monoscopic (2-D) video 101 The example system 100 of three-dimensional (3-D) video 103.System 100 can include three-dimensional (solid) video generation module 104 (hereafter Referred to as " three-dimensional video-frequency module 104 ").Three-dimensional video-frequency module 104 can include being configured to receive monoscopic video 101 and incite somebody to action single Visual field video 101 is converted to any suitable system, device or the equipment of three-dimensional video-frequency 103.For example, in some embodiments In, three-dimensional video-frequency module 104 can include being configured to make computing device for monoscopic video 101 to be converted into solid The software of the computer executable instructions of the operation of video 103.
Three-dimensional video-frequency module 104 can be configured to based on one or more elements between the frame of monoscopic video 101 Movement generating three-dimensional video-frequency 103.In some embodiments, three-dimensional video-frequency module 104 can generate modification based on mobile Frame.Further will can be begged in detail below in relation to Fig. 2 and Fig. 3 by the generation of the modification frame that three-dimensional video-frequency module 104 is performed By.In some embodiments, three-dimensional video-frequency module 104 can be additionally configured to be analyzed based on key element movement between frames And the camera effect that determination is associated with monoscopic video 101.In these embodiments, three-dimensional video-frequency module 104 can be by Camera effect determined by being configured to and movement associated there come generate for three-dimensional video-frequency 103 modification frame and Left eye watches frame and right eye viewing frame.Additionally, in some embodiments, three-dimensional video-frequency module 104 can be configured to be based on The determination of pair movement being associated with the foreground and background in the scene of monoscopic video 101 is seen generating modification frame and left eye See frame and right eye viewing frame.The analysis of camera effect and can based on analyzed camera effect and by three-dimensional video-frequency module The generation of the 104 modification frames for performing and left eye viewing frame and right eye viewing frame further will in detail be begged for reference to Fig. 4-7 and 10 By.
In some embodiments, three-dimensional video-frequency module 104 can be additionally configured to determine the scene of monoscopic video 101 Prospect and/or background.In some of these embodiments, three-dimensional video-frequency module 104 can be configured to be based on and be included in In the scene of monoscopic video 101 most move soon key element, move slowly at key element, and/or Primary element determine prospect and/or Background.To describe in further detail to most moving key element soon, moving slowly at the determination of key element and/or Primary element with regard to Fig. 8.Can The determination to prospect and/or background performed by three-dimensional video-frequency module 104 will be described in further detail below in relation to Fig. 9.
Additionally, in some embodiments, three-dimensional video-frequency module 104 can be configured to adjustment and be included in left eye sight Offset to adjust the depth perceived by the beholder of viewing three-dimensional video-frequency 103 between the key element seen in frame and right eye viewing frame Value.To can be made into one below in relation to Figure 12 A-12C and 13 by the modification to depth perception that three-dimensional video-frequency module 104 is performed Step is discussed in detail.In addition, in some embodiments, three-dimensional video-frequency module 104 can be additionally configured to adjust three-dimensional video-frequency 103 Focus so that three-dimensional video-frequency module 104 which key element for being perceived by beholder be able to may be in the prospect of scene or Amendment is made in perception in background.Being discussed in further detail below with reference to Figure 12 A, 12B, 12D and 14 can be by three-dimensional video-frequency The modification of the focusing that module 104 is performed.
As described above, three-dimensional video-frequency module 104 can be configured to based on one or more elements movement between frames To generate the modification frame of the left eye viewing frame and/or right eye viewing frame that can be used for generating three-dimensional video-frequency 103.Fig. 2 shows basis The movement based on key element between the different frame 202 of monoscopic video 201 of some embodiments of the present invention is describing modification The block diagram 200 of the generation of frame 202'.In some embodiments, the embodiment for being given with regard to Fig. 2, modification frame 202' can To be generated by three-dimensional video-frequency module (all three-dimensional video-frequency modules 104 as mentioned above for Fig. 1 descriptions).As shown in Fig. 2 monoscopic is regarded Frequently 201 the monoscopic video 101 with regard to Fig. 1 descriptions can be substantially similar to, and series of frames 202, the frame 202 can be included The image of one or more scenes being associated with monoscopic video 201 can be included.Some according to present disclosure are implemented Scheme, three-dimensional video-frequency module can be based on water of the one or more elements (being not explicitly depicted) between frame 202 between frame 202 Translation is moved to generate modification frame 202'.
For example, in frame 202a and 202b key element (wherein frame 202b can be the subsequent frame relative to frame 202a) can be There is change in location so that key element can from left to right be moved horizontally between frame 202a and 202b between frame 202a and 202b. Therefore, three-dimensional video-frequency module can move horizontally to generate modification frame 202a' based on key element between frame 202a and 202b, make Plain must offset to the right relative to frame 202a in modification frame 202a'.Three-dimensional video-frequency module can be similarly based on frame 202b and 202c (wherein frame 202c can be the subsequent frame relative to frame 202b) come generate modification frame 202b' and based on frame 202c and 202d (wherein frame 202d can be the subsequent frame relative to frame 202c) changes frame 202c' to generate.Therefore, based on key element in frame Between move horizontally, change frame 202' key element can relative to correspondence frame 202 corresponding factor level skew, with imitation by The horizontal-shift of the image that the right eye of beholder and left eye are perceived.
In some embodiments, movement of the key element between frame 202 can also be (referred to as " vertical to move in vertical direction It is dynamic ").However, because the eyes of beholder generally do not offset in vertical direction substantially, when modification frame 202' is generated, Three-dimensional video-frequency module can substantially ignore key element vertically moving between frame 202.Therefore, it can generate modification frame 202', make Level is inclined in modification frame 202' based on moving horizontally relative to the corresponding key element in its associated frame 202 to obtain their key element Move.Even if however, vertically moving between frames, the key element of modification frame 202' is likely to will not be relative to its associated frame The 202 sizable degree of corresponding key element vertical shift.
In addition, in some embodiments, movement of the key element from a frame to another frame can cause in frame or Multiple key elements are not present in the subsequent frame of the frame that can be used for generation modification.In this case, three-dimensional video-frequency module 104 can be with The key element of loss is replicated from primitive frame and place them in associated modification frame.
For example, the key element of frame 202a can be the hand of people, and movement of the people between frame 202a and frame 202b can make The hand for obtaining people is invisible in frame 202b.Furthermore it is possible to be based on people move horizontally to generate modification from frame 202a to frame 202b Frame 202a'.Therefore, when moving horizontally generation modification frame 202a', can be based between frame 202a and 202b based on people The horizontal-shift of people horizontal-shift in modification frame 202a'.However, the hand of people can replicate and be inserted into modification frame from frame 202a In 202a'.Therefore, even if hand may be lost from frame 202b, can be derived from changing the horizontal-shift of frame 202a' key elements, with Make to go smoothly and may reside in modification frame 202a'.
Without departing from the present invention, Fig. 2 can be modified, added or is omitted.For example, monoscopic is regarded Frequently 201 can include the more or less of frame of frame than being explicitly illustrated.Additionally, in some embodiments, can be shown Include one or more intermediate frames between frame.For example, monoscopic video 201 can include can be in frame 202a and 202b, frame 202b And one or more intermediate frames between 202c, and/or frame 202c and 202d.In addition, in some embodiments, monoscopic is regarded Frequently the scene in 201 can change so that a frame 202 can be associated with a scene, and subsequent frame can from it is different Scene be associated.In the present invention, " scene " can refer to the certain camera visual angle relative to certain scenarios or angle so that Change in " scene changes " or scene can refer to the camera angle of same scene or the change at visual angle and/or describe in video Scene change.In such embodiments, modification frame can be generated based on frame is inferred, wherein inferring that frame can be based on The movement of the one or more elements recognized in previous frame.
Fig. 3 shows the block diagram 300 of some embodiments according to present disclosure, which depict modification frame The generation of 302', wherein one or more the deduction frames 305 that can be based on monoscopic video 301 generate one or more modification frames 302'.In some embodiments, and with regard to Fig. 3 the embodiment for being given, modification frame 302' can be retouched by all as mentioned above for Fig. 1 The three-dimensional video-frequency module stated such as three-dimensional video-frequency module 104 is generating.As shown in figure 3, monoscopic video 301 can be including one Row frame 302 (is described as frame 302a-302d), and it can include one or more scenes being associated with monoscopic video 301 Image.In the illustrated embodiment, frame 302a-302c can be associated with scene 306a of monoscopic video 301, and frame 302d can be associated with the different scenes (scene 306b) of monoscopic video 301.
According to some embodiments of present disclosure, three-dimensional video-frequency module can be configured to will based on one or more Plain (being not explicitly depicted) movement respectively between frame 302a and 302b and 302b and 302c come generate modification frame 302a' and 302b', similar to the generation of above-mentioned modification frame 202a' and 202b'.For example, can be based on one or more elements in frame 302a And the movement between frame 302b (it can be the subsequent frame of frame 302a) changes frame 302a' to generate.Furthermore it is possible to be based on one Or movement of multiple key elements between frame 302b and frame 302c (it can be the subsequent frame of frame 302b) is generating modification frame 302b'。
However, in the illustrated embodiment, frame 302c can be associated most with scene 306a of monoscopic video 301 Frame afterwards.Therefore, the movement of the key element being associated with frame 302c can be not present between the subsequent frame of frame 302c and frame 302c, because Subsequent frame for such as frame 302d can be associated from different scenes, or can not have before another frame is transformed into The movement of their associated substantial extents.In all examples so, three-dimensional video-frequency module can be configurable to generate deduction Frame, infers that frame can represent that scene continues through the subsequent frame of the scene of its last frame.For example, in the illustrated embodiment, stand Stereoscopic frequency module can be configurable to generate deduction frame 305, infer that frame 305 can represent that scene 306a continues through frame 302c's The subsequent frame of the frame 302c of scene 306a, can be in the illustrated embodiment the last frame of scene 306a.
In some embodiments, three-dimensional video-frequency module can be configured to determine that scene changes, and can be based on inspection The scene changes for measuring are determining the last frame of scene.Three-dimensional video-frequency module can be additionally configured to be based on and detect scene changes To generate deduction frame.For example, three-dimensional video-frequency module can be configured to scene changes of the detection from scene 306a to scene 306b, Can determine that frame 302c is the last frame of scene 306a, and the scene detected from scene 306a to scene 306b can be based on Change infers frame 305 to generate.
In in these embodiments some, three-dimensional video-frequency module can be configured to be based on to the pixel between frame The analysis of space and/or distribution of color is determining scene changes.If the distribution of pixel is from a frame to the basic phase of another frame Seemingly, then three-dimensional video-frequency module can determine that frame 302 is associated with identical scene 306.If however, the pixel distribution between frame Substantially different, then three-dimensional video-frequency module can determine and have occurred that scene change.For example, three-dimensional video-frequency module can determine frame Pixel distribution basic simlarity between 302a, 302b and 302c, to determine that frame 302a, 302b and 302c are probably scene 306a A part.Three-dimensional video-frequency module it may also be determined that the distribution of the pixel between frame 302c and 302d is substantially different, to determine in frame There is the scene change from scene 306a to scene 306b between 302c and 302d.
In response to detecting the scene change from the first scene to the second scene, three-dimensional video-frequency module can be configured to inspection Survey movement of the one or more elements between the frame of the first scene.Based on the movement between frame of the key element in the first scene, Three-dimensional video-frequency module can be configurable to generate the deduction frame of the first scene.Generate infer frame when, three-dimensional video-frequency module can be with It is configured to the movement based on key element between the last frame of the first scene and deduction frame to generate the last frame of the first scene Modification frame.
For example, after detecting from scene 306a to the change of scene 306b, three-dimensional video-frequency module can be configured to Movement of the one or more elements between frame 302b and 302c is detected in response to the detection of scene changes.Based on what is detected Movement between frame 302b and 302c, three-dimensional video-frequency module can be configured to infer scene 306a continue through frame 302c it Afterwards, the movement that may occur between the subsequent frame in frame 302c and scene 306a.In some embodiments, can be based on as follows Hypothesis carries out the deduction of the movement between key element：If scene 306a is no terminated after frame 302c, key element is in frame 302b Mobile and 302c between will continue through frame 302c.Therefore, three-dimensional video-frequency module can be configured to based on key element in scene Movement between the frame 302b and 302c of 306a is generating the deduction frame 305 of scene 306a so that infer that frame 305 can be reflected in The movement that scene 306a may continue when continuing through frame 302c in scene 306a.
Once generating deduction frame 305, three-dimensional video-frequency module can be based on one or more elements in frame 302c and deduction Movement between frame 305 changes frame 302c' to generate, and similar is based respectively between frame 302a and 302b and 302b and 302c Movement come generate modification frame 302a' and 302b'.Therefore, it can be based on to occur to substantially from frame 302c The movement of the subsequent frame of identical element changes frame 302c' to generate, even if such subsequent frame may not be present.
Without departing from the present invention, Fig. 3 can be modified, added or is omitted.For example, monoscopic is regarded Frequently 301 can include the more or less of frame 302 of frame and/or the scene 306 than being explicitly illustrated.In addition, each scene 306 can be with Including any amount of frame 302.Additionally, in some embodiments, one or more can be included between shown frame 302 Intermediate frame.
Fig. 1 is returned to, as it was previously stated, three-dimensional video-frequency module 104 can be configured to generate three-dimensional video-frequency based on camera effect 103 left eye viewing frame and right eye watch frame, and the modification frame of monoscopic video 101 can be based on key element shifting between frames Move to generate, as explained above with described by Fig. 2 and Fig. 3.Therefore, one or more embodiments for being presented according to the present invention, Three-dimensional video-frequency module 104 can be additionally configured to analyze the camera effect of monoscopic video 101.In such embodiments, Three-dimensional video-frequency module 104 can determine that camera effect is panning effect or zooming effect, and can be based on camera effect Left eye watches frame and right eye watches frame to generate for panning effect or zooming effect.Further beg in detail below with reference to Fig. 4 and Fig. 5 The left eye viewing frame generated by the determination for based on camera effect being panning effect and right eye viewing frame.Enter referring to Fig. 6 and Fig. 7 One step is discussed in detail and generates left eye viewing frame and right eye viewing frame based on the determination that camera effect is zooming effect.
In addition, if three-dimensional video-frequency module 104 determines that camera effect is not panning effect or zooming effect, then three-dimensional video-frequency Module 104 can generate left eye viewing frame and right eye viewing frame according to the determination.In some of these embodiments, stereopsis Frequency module 104 can generate left eye viewing frame based on the movement of the foreground and background being associated with the frame of monoscopic video 101 Frame is watched with right eye.Foreground and background detection is more fully described relative to Fig. 8 and 9.Discuss in more detail below with reference to Figure 10 It is not the determination generation left eye viewing frame and right eye viewing frame of panning effect or zooming effect based on camera effect.
Fig. 4 show according to present disclosure it is some embodiments, depict frame based on monoscopic video 401 402a and frame 402b associated right translation effect watches frame 410 and right eye viewing frame 412 come the left eye for generating three-dimensional video-frequency 403 Block diagram 400.In illustrated example, three-dimensional video-frequency 403 can be by three-dimensional video-frequency module, such as above with reference to Fig. 1 Described three-dimensional video-frequency module 104 is generating.
Frame 402a and 402b can include one or more elements 408, and these key elements 408 can be respectively included in frame In both 402a and frame 402b.For example, in the illustrated embodiment, frame 402a and 402b can each include key element 408a and 408b.Frame 402a and 402b can also include other key elements not explicitly depicted in Fig. 4.
When camera is translated, by camera shoot whole scene with camera move and move so that frame in translation The associated key element of effect can be moved with substantially unified size and Orientation.For example, frame 402a and 402b can be flat with the right side Move effect to be associated, wherein the camera of delta frame 402a and 402b may be translated from left to right so that frame 402a and 402b Interior key element 408a and 408b can from right to left be moved between frame 402a and 402b with substantially the same amount.
Right translation effect can be produced based on actual camera translation from left to right, or can be based on from left to right Analogue camera translates to produce.In some embodiments, panning effect can be with camera pivotable about an axis or its is any suitable Simulation be associated, to produce panning effect.In other embodiments, panning effect can be with whole camera in the horizontal direction Movement or its any suitable simulation relative to the scene (for example, from left to right) being just taken is associated to produce translation effect Really.
Three-dimensional video-frequency module can be configured to based on Essential Elements Of Analysis (such as key element 408a and 408b) in frame 402a and Movement between 402b whether there is right translation effect to determine between frame 402a and 402b.For example, in some embodiments In, three-dimensional video-frequency module can be analyzed positioned at zones of different (for example, upper right, upper left, bottom right and the lower-left area of frame 402a and 402b Domain) in different key elements movement.In some embodiments, three-dimensional video-frequency module can pass through analysis with frame 402a and 402b The associated movement of pixel that may correspond to key element carrys out the movement of Essential Elements Of Analysis.In these or other embodiment, stereopsis Frequency module can analyze the movement being associated with each pixel of frame 402a and 402b, to determine key element in frame 402a and frame 402b Between movement.If with the key element (or being in some embodiments pixel) in the zones of different of frame 402a and 402b Associated mobile whole is moved to largely the same extent from right to left, then three-dimensional video-frequency module can determine camera effect For right translation effect.
Three-dimensional video-frequency module can based on determined by right translation effect and movement associated there generating and frame 402a Associated modification frame 402a'.For example, as described above, right translation effect can cause key element 408a and 408b from frame 402a to Frame 402b is moved from right to left to largely the same extent.Therefore, in some embodiments, because right translation effect causes The difference of the horizontal level of key element 408a and 408b between frame 402a and 402b, thus three-dimensional video-frequency module can use frame 402b changes frame 402a' to generate.In some embodiments, key element 408a and 408b between frame 402a and 402b is little Or without in the case of vertical shift, frame 402b can serve as changing frame 402a'.Key element wherein between frame 402a and 402b During other embodiments of vertical shift are there may be in 408a and 408b, can remove during modification frame 402a' is generated The upright position difference of key element 408a and 408b between frame 402a and 402b so that key element 402a and 402b are in frame 402a and repair Any vertical shift changed between frame 402a' can be substantial with right and wrong.
The left eye viewing frame 410 of the three-dimensional video-frequency 403 that can be associated with the viewing frame 402a of monoscopic video 401 and the right side Observe and see that frame 412 can be generated based on right translation effect, viewing frame 402a and modification viewing frame 402a'.For example, due to right flat Moving effect, frame 402a can be designated as left eye viewing frame 410, and change frame 402a' can be designated as right eye viewing frame 412.Therefore, it can be based at least partially on right translation effect and modification frame 402a'(can be with key element 408a and 408b in frame Movement between 402a and 402b is associated) left eye to generate three-dimensional video-frequency 403 watches frame 410 and right eye watches frame 412.
In addition to being expressly recited, the generation of three-dimensional video-frequency 403 can be modified, added or omitted.For example, with The associated left eye viewing frame of other frames 402 of monoscopic video 401 and right eye viewing frame (for example, are associated with frame 402b Left eye watches frame and right eye viewing frame) can generate in a similar manner.In addition, in some embodiments, can be with delta frame The left eye viewing frame and right eye viewing frame of 402 (can be the last frame or close last frame of its corresponding scene) so that with frame 402 Associated modification frame can be generated based on the deduction frame determined above with respect to the mode described by Fig. 3.
Fig. 5 shows the block diagram 500 of some embodiments according to present disclosure, which depict and is based on and list The frame 502a and frame 502b of visual field video 501 associated left effect watches frame 510 come the left eye for generating three-dimensional video-frequency 503 Frame 512 is watched with right eye.In the example shown, three-dimensional video-frequency 503 can be (all to retouch as explained above with Fig. 1 by three-dimensional video-frequency module The three-dimensional video-frequency module 104 stated) generate.
Frame 502a and 502b can include one or more that can be respectively included in both frame 502a and frame 502b Key element 508.For example, in the illustrated embodiment, frame 502a and 502b can each include key element 508a and 508b.
As described above, frame 502a and 502b can be associated with left effect, the wherein phase of delta frame 502a and 502b Machine may be translated from right to left so that the key element 508 in frame 502a and 502b can be between frame 502a and 502b with base Identical amount is from left to right uniformly moved in sheet.For example, in the illustrated embodiment, key element 508a and 508b can be based on Frame 502a and 502b associated left effect is moved from left to right between frame 502a and 502b with substantially the same amount.
Similar to right translation effect, left effect can be produced based on actual camera translation from right to left, or Can be produced based on analogue camera translation from right to left.Additionally, in some embodiments, panning effect can with around axle The camera of pivot or any appropriate simulation are associated, to produce panning effect.In other embodiments, panning effect can be with Whole camera is in the horizontal direction relative to the movement or any suitable simulation of the scene (for example, from right to left) being just taken It is associated to produce panning effect.
As discussed above in relation to Fig. 4, similar to right translation effect is determined whether there is, three-dimensional video-frequency module can quilt Analysis and key element (such as key element 508a and 508b, or be in some embodiments pixel) are configured in frame 502a and The movement being associated between 502b whether there is left effect to determine between frame 502a and 502b.If with positioned at frame Key element (or pixel in some embodiments) in the zones of different of 502a and 502b it is associated it is mobile all from a left side to The right side is moved to largely the same extent, then three-dimensional video-frequency module can determine that camera effect is left effect.
Three-dimensional video-frequency module can based on determined by left effect and movement associated there generating and frame 502a Associated modification frame 502a'.For example, as described above, left effect can cause key element 508a and 508b from frame 502a to Frame 502b is moved from left to right to largely the same extent.Therefore, in some embodiments, three-dimensional video-frequency module can be with base Modification frame 502a' is generated in frame 502b, reason is that left effect causes key element 508a and 508b between frame 502a and 502b Horizontal level difference.In some embodiments, key element 508a and 508b between frame 502a and 502b almost without or In the case of vertical shift, frame 502b is used as changing frame 502a'.Key element wherein between frame 502a and 502b During other embodiments of vertical shift are there may be in 508a and 508b, frame 502a can be removed during modification frame is generated The upright position difference of key element 508a and 508b and 502b between so that the key element between frame 502a and modification frame 502a' Any vertical shift of 508a and 508b can be substantial with right and wrong.
The left eye viewing frame 510 of the three-dimensional video-frequency 503 being associated with the viewing frame 502a of monoscopic video 501 and right eye are seen See that frame 512 can be generated based on left effect, viewing frame 502a and modification viewing frame 502a'.For example, due to left Effect, modification frame 502a' can be designated as left eye viewing frame 510, and frame 502a can be designated as right eye viewing frame 512.Therefore, it can be based at least partially on left effect and modification frame 502a'(can be with key element 508a and 508b in frame Movement between 502a and 502b is associated) left eye to generate three-dimensional video-frequency 503 watches frame 510 and right eye watches frame 512.
In addition to being expressly recited, the generation of three-dimensional video-frequency 503 can be modified, added or omitted.For example, with The associated left eye of other frames 502 of monoscopic video 501 and right eye viewing frame (left eye that for example, is associated with frame 502b and Right eye watches frame) can generate in a similar manner.In addition, in some embodiments, can (can be it with delta frame 502 The last frame or close last frame of corresponding scene) left eye viewing frame and right eye viewing frame so that can be based on above with respect to Fig. 3 What described mode was generated infers frame to generate the modification frame being associated with frame 502.
Fig. 6 shows the block diagram 600 of some embodiments according to present disclosure, which depict and is based on and list The frame 602a and frame 602b of the visual field video 601 associated left eye viewing frame 610 for reducing camera effect generation three-dimensional video-frequency 603 Frame 612 is watched with right eye.It is illustrated it is exemplary in, three-dimensional video-frequency 603 can be by three-dimensional video-frequency module, such as above with reference to figure Three-dimensional video-frequency module 104 described by 1 is generating.
Frame 602a and 602b can include one or more that can be respectively included in both frame 602a and frame 602b Key element 608.For example, in the illustrated embodiment, frame 602a and 602b can each include key element 608a, 608b, 608c and 608d。
When camera reduces, the key element of the frame in generated by camera can be from a frame to another frame towards by frame-grab The center movement of scene.For example, frame 602a and 602b can be associated with the camera effect for reducing so that in frame 602a and 602b Key element 608a, 608b, 608c and 608d can be from frame 602a to frame 602b towards the scene captured by frame 602a and frame 602b Center movement, as shown in Figure 6.The camera effect of diminution can be based on actual camera and reduce generation, or can be based on mould The diminution of plan is produced.
Similar to determining whether there is right translation or left effect, as discussed above for Fig. 4 and Fig. 5, stereopsis Frequency module can be configured to determine that between frame 602a and 602b that with the presence or absence of the camera effect for reducing it is based on analysis and is located at frame Key element in the zones of different (such as, upper left, upper right, lower-left and lower right area) of 602a and 602b (such as can respectively be located at frame Key element 608a, 608b, 608c and 608d in the upper left of 602a and 602b, upper right, lower-left and lower right area) in frame 602a and Movement between 602b.In some embodiments, three-dimensional video-frequency module can pass through analysis and may correspond to the frame 602a of key element The movement associated with the pixel of 602b carrys out Essential Elements Of Analysis movement.In these or other embodiment, three-dimensional video-frequency module can The movement that analysis is associated with each pixel of frame 602a and 602b, to determine shifting of the key element between frame 602a and frame 602b It is dynamic.In these or other embodiment, three-dimensional video-frequency module can analyze what is be associated with each pixel of frame 602a and 602b It is mobile, to determine movement of the key element between frame 602a and frame 602b.If with positioned at frame 602a and 602b zones of different in The associated movement of key element (or in some embodiments be pixel) generally toward the feelings captured by frame 602a and 602b The center of scape is moved, then three-dimensional video-frequency module can determine that camera effect is to reduce camera effect.
Three-dimensional video-frequency module can reduce camera effect and movement associated there to generate and frame based on determined by 602a associated modification frame 602a' and modification frame 602a ".For example, reducing camera effect can cause to be respectively included in frame Key element (for example, key element 608a and 608c) in the left side 614a and 614b of 602a and 602b is from frame 602a to frame 602b with basic Upper identical degree is moved from left to right.In addition, reduce camera effect can cause to be respectively included in frame 602a and 602b Right side 616a and 616b in key element (for example, key element 608b and 608d) from frame 602a to frame 602b to largely the same extent Move from right to left.
In some embodiments, three-dimensional video-frequency module can be based respectively on left side 614a of the key element in frame 602a and 602b Horizontal-shift and 614b between changes the left side 614c of frame 602a' to generate.In addition, during 614c on the left of generation, standing Stereoscopic frequency module can ignore any vertical shift of the key element between left side 614a and 614b.For example, key element 608a and 608c There can be the horizontal level substantially the same with the left side 614b of frame 602b in the left side 614c of modification frame 602a'. However, key element 608a and 608c can be with basic with the left side 614a of frame 602a in the left side 614c of modification frame 602a' Upper identical upright position.
In addition, three-dimensional video-frequency module can be based on the horizontal and vertical of the key element being included in the right side 616a of frame 602a The right side 616c of frame 602a' is changed to generate in position so that right side 616c can be substantially similar to right side 616a.For example, key element 608b and 608d can have substantially the same with the right side 616a of frame 602a in the right side 616c of modification frame 602a' Horizontal and vertical position.
Three-dimensional video-frequency module is also based on water of the key element respectively between the right side 616a and 616b of frame 602a and 602b It is flat skew come generate modification frame 602a " right side 616d.In addition, three-dimensional video-frequency module can be neglected during 616d on the right side of generation Omit any vertical shift of the key element between right side 616a and 616b.For example, key element 608b and 608d can be in modification frame 602a " Right side 616d in have the horizontal level substantially the same with the right side 616b of frame 602b.However, key element 608b and 608d can modification frame 602a " right side 616d in have the vertical position substantially the same with the right side 616a of frame 602a Put.
By contrast, three-dimensional video-frequency module can be based on the level that is included in key element in the left side 614a of frame 602a and Upright position come generate modification frame 602a " left side 614d so that left side 614d can be substantially similar to left side 614a.For example, Key element 608a and 608c can be in modification frame 602a " left side 614d in have and the substantially phase in the left side 614a of frame 602a Same horizontal and vertical position.
As shown in fig. 6, for modification the frame 602a' and 602a of above-mentioned diminution effect " configuration can cause key element 608a, 608b, 608c and 608d are in modification frame 602a' relative to modification frame 602a " horizontal-shift to the right.In addition, key element 608a, 608b, 608c and 608d can be in modification frame 602a' relative to modification frame 602a " have seldom even without vertical shift.
The left eye viewing frame 610 of the three-dimensional video-frequency 603 that can be associated with the viewing frame 602a of monoscopic video 601 and the right side Observe and see that frame 612 can be based on reducing camera effect and modification viewing frame 602a' and 602a " generating.For example, due to reducing phase Machine effect, modification frame 602a' can be designated as left eye viewing frame 610, and change frame 602a " right eye sight can be designated as See frame 612.Therefore, it can be based at least partially on diminution camera effect and modification frame 602a' and 602a " (can be with key element The movement of 608a, 608b, 608c and 608d between frame 602a and 602b be associated) come generate three-dimensional video-frequency 603 left eye see See frame 610 and right eye viewing frame 612.
In addition to being expressly recited, the generation of three-dimensional video-frequency 603 can be modified, added or omitted.For example, with Single left eye associated as other frames 602 of video 601 and (the left eye viewing for example, being associated with frame 602b of right eye viewing frame Frame and right eye viewing frame) can generate in a similar manner.In addition, in some embodiments, can (can be with delta frame 602 The last frame of its corresponding scene or close last frame) left eye viewing frame and right eye viewing frame so that with repairing that frame 602 is associated Changing frame can be generated based on the deduction frame generated above with respect to the mode described by Fig. 3.
Fig. 7 shows block diagram 700, which depict some embodiments and monoscopic according to present disclosure The left eye viewing frame 710 and right eye of the frame 702a and frame 702b of video 701 associated amplification camera effect watch the life of frame 712 Into.Frame 702a and 702b can include the one or more elements 708 being respectively included in frame 702a and frame 702b.For example, In the illustrated embodiment, frame 702a and 702b can each include key element 708a, 708b, 708c and 708d.
When camera amplifies, the key element of the frame in generated by camera can move away from capture from by a frame to another frame The center of scene.For example, as shown in fig. 7, frame 702a and 702b can with amplify camera effect be associated so that frame 702a with Key element 708a, 708b, 708c and 708d in 702b can move away from frame 702a and 702b capture from frame 702a to frame 702b Scene center.Amplifying camera effect can be based on actual camera amplification generation, or can be produced based on Simulation scale-up.
Similar to determining whether there is right translation, left or reducing camera effect, above for as described in Fig. 4-6, stood Stereoscopic frequency module can be configured to based on analysis positioned at frame 702a and 702b zones of different (for example upper right, upper left, bottom right and Lower left region) in movement of the key element (such as key element 708a, 708b, 708c and 708d) between frame 702a and 702b determining With the presence or absence of amplification camera effect between frame 702a and 702b.In some embodiments, three-dimensional video-frequency module can pass through The movement that analysis is associated with the pixel that can correspond to key element of frame 702a and 702b carrys out the movement of Essential Elements Of Analysis.These or In other embodiments, three-dimensional video-frequency module can analyze the movement being associated with each pixel of frame 702a and 702b, with true Determine movement of the key element between frame 702a and frame 702b.If with positioned at frame 702a and 702b zones of different in key element (or It is in some embodiments pixel) associated movement all substantially moves away from the scene captured by frame 702a and 702b Center, then three-dimensional video-frequency module can determine camera effect be amplify camera effect.
Three-dimensional video-frequency module can based on determined by macrophotograph machine effect and movement associated there generating and frame 702a associated modification frame 702a' and modification frame 702a ".For example, amplifying camera effect can cause to be respectively included in frame Key element (for example, key element 708a and 708c) in the left side 714a and 714b of 702a and 702b is from frame 702a to frame 702b from dextrad Move left substantially the same degree.In addition, amplify camera effect can cause to be respectively included in the right side of frame 702a and 702b Key element (for example, key element 708b and 708d) in 716a and 716b moves from left to right substantially the same from frame 702a to frame 702b Degree.
In some embodiments, three-dimensional video-frequency module can be based respectively on left side 714a of the key element in frame 702a and 702b Horizontal-shift and 714b between changes the left side 714c of frame 702a' to generate.In addition, three-dimensional video-frequency module can be on the left of generation Ignore any vertical shift of the key element between left side 714a and 714b during 714c.For example, key element 708a and 708c can be with There is the horizontal level substantially the same with the left side 714b of frame 702b in the left side 714c of modification frame 702a'.However, Key element 708a and 708c can have and the substantially phase in the left side 714a of frame 702a in the left side 714c of modification frame 702a' Same upright position.
In addition, three-dimensional video-frequency module can be based on the horizontal level that is included in key element in the right side 716a of frame 702a and The right side 716c of frame 702a' is changed to generate in upright position so that right side 716c can be substantially similar to the right 716a.For example, Key element 708b and 708d can have and the substantially phase in the right side 716a of frame 702a in the right side 716c of modification frame 702a' Horizontal level together and upright position.
Three-dimensional video-frequency module is also based on water of the key element respectively between the right side 716a and 716b of frame 702a and 702b It is flat skew come generate modification frame 702a " right side 716d.In addition, three-dimensional video-frequency module can be neglected during the generation of right side 716d Omit any vertical shift of the key element between right side 716a and 716b.For example, key element 708b and 708d can be in modification frame 702a " Right side 716d in have the horizontal level substantially the same with the right side 716b of frame 702b.However, key element 708b and 708d can modification frame 702a " right side 716d in have the vertical position substantially the same with the right side 716a of frame 702a Put.
Additionally, three-dimensional video-frequency module can be based on the horizontal and vertical position of the key element being included in the left side 714a of frame 702a Put generate modification frame 702a " left side 714d so that left side 714d can be substantially similar to left side 714a.For example, key element 708a and 708c can modification frame 702a " left side 714d in have it is substantially the same with the left side 714a of frame 702a Horizontal and vertical position.
As shown in fig. 7, for modification the frame 702a' and 702a of above-mentioned amplification effect " configuration can cause key element 708a, 708b, 708c and 708d are in modification frame 702a' relative to modification frame 702a " it is that level offsets to the left.In addition, key element 708a, 708b, 708c and 708d can be in modification frame 702a' relative to modification frame 702a " have seldom even without vertical Skew.
The left eye viewing frame 710 of the three-dimensional video-frequency 703 that can be associated with the viewing frame 702a of monoscopic video 701 and the right side Observe and see that frame 712 can be based on amplifying camera effect and modification viewing frame 702a' and 702a " generating.For example, due to amplifying phase Machine effect, change frame 702a " can be designated as left eye viewing frame 710, and change frame 702a' can be designated as right eye sight See frame 712.Therefore, it can be based at least partially on amplification camera effect and modification frame 702a' and 702a " (can be with key element The movement of 708a, 708b, 708c and 708d between frame 702a and 702b be associated) come generate three-dimensional video-frequency 703 left eye see See frame 710 and right eye viewing frame 712.
In addition to being expressly recited, the generation of three-dimensional video-frequency 703 can be modified, added or omitted.For example, with The associated left eye of other frames 702 of monoscopic video 701 and right eye viewing frame (left eye that for example, is associated with frame 702b and Right eye watches frame) can also generate in a similar manner.In addition, in some embodiments, can (can be with delta frame 702 The last frame of its corresponding scene or close last frame) left eye viewing frame and right eye viewing frame so that can based on frame 702 and more than The corresponding deduction frame that text is generated with regard to mode described in Fig. 3 is generating the modification frame being associated with frame 702.
Fig. 1 is returned, three-dimensional video-frequency module 104 can be correspondingly configured to based on as above relative to flat described in Fig. 4-7 Move or zooming effect come generate three-dimensional video-frequency 103 left eye and right eye viewing frame.But, in some cases, camera effect can Can be somewhat different with translation or zooming effect.For example, camera effect can be rotating camera effect or stationary cameras effect.At this In the case of kind, three-dimensional video-frequency module 104 can determine that camera effect is not to translate or zooming effect, and can be according to the determination Generate left eye and right eye viewing frame.In some of these embodiments, three-dimensional video-frequency module 104 can be based on camera effect not Be translation or zooming effect determination and the movement based on the prospect and/or background being associated with the frame of monoscopic video 101 come Generate left eye viewing frame and right eye viewing frame.
Therefore, in some embodiments, three-dimensional video-frequency module 104 can be configured to determine that and monoscopic video 101 At least one of associated foreground and background so that three-dimensional video-frequency module can be analyzed and is associated with prospect and/or background Movement.In some of these embodiments, three-dimensional video-frequency module 104 can be configured to based on monoscopic video 101 Frame most moves soon key element, moves slowly at key element and/or Primary element comes true determining what is be associated with the frame of monoscopic video 101 Determine prospect and/or background.
Fig. 8 show the monoscopic video 801 of some embodiments according to present disclosure example frame 802a and 802b, wherein frame 802a and 802b include most moving key element 820 soon, moving slowly at key element 822 and Primary element 824.Monoscopic Video 801 can be substantially similar to the monoscopic video 101 of Fig. 1.In the illustrated embodiment, frame 802a and 802b can be with list The same scene of visual field video 801 is associated, and frame 802b can be the subsequent frame of frame 802a.Three-dimensional video-frequency module, such as The three-dimensional video-frequency module 104 of Fig. 1 can be configured to identification and most move key element 820 soon, moves slowly at key element 822 and/or leading Key element 824.
Three-dimensional video-frequency module most move soon key element 820, move slowly at key element 822 with analysis frame 802a and 802b being determined And/or Primary element 824.For example, three-dimensional video-frequency module can with the key element in analysis frame 802b relative to frame 802a displacement, with Identification is most moved soon key element 820 and moves slowly at key element 822.Most moving key element soon can be than moving at a slow speed from frame 802a to frame 802b Dynamic key element moves farther distance.Therefore, three-dimensional video-frequency module can Essential Elements Of Analysis from frame 802a to the displacement of frame 802b, and have The key element for having maximum displacement can be confirmed as most moving key element soon.
In the illustrated embodiment, key element 820 is most moved soon can be had from frame 802a to the maximum displacement of frame 802b, be made Three-dimensional video-frequency module most will can soon move key element 820 and be identified as most moving key element soon from frame 802a to frame 802b.In addition, As shown in figure 8, move slowly at key element 822 can also move between frame 802a and frame 802b, but with than most moving key element soon 820 less degree movements.Therefore, three-dimensional video-frequency module can will move slowly at key element 822 and be identified as than most moving key element soon The slow key element of 820 movements.
In addition, three-dimensional video-frequency module can be configured to determine that Primary element 824 is that dominating in frame 802a and 802b will Element.In some embodiments, three-dimensional video-frequency module can be based on pair pixel being associated with frame 802a and 802b analysis come Key element in identification frame 802a and 802b so that can determine the quantity of the pixel being associated with specific factor.Therefore, at some In embodiment, three-dimensional video-frequency module can be configured to based on Primary element 824 with than being included in frame 802a and 802b in The pixel of the substantial higher amount of other key elements is associated to recognize Primary element 824.Therefore, by analysis frame 802a and 802b, three-dimensional video-frequency module can be capable of identify that most fast mobile key element 820, move slowly at key element 822 and/or Primary element 824. As discussed in more detail below, the identification of these key elements can assist in the prospect and/or background that are associated with frame 802a and 802b.
The diagram of Fig. 8 most moves soon key element, moves slowly at the concept of key element and Primary element behind just for the sake of introducing. Therefore, without departing from the scope of this disclosure, Fig. 8 can be modified, added or is omitted.In some embodiment party In case, key element 820 is most moved soon and displacement of the key element 822 between frame 802a and 802b is moved slowly at can be based on most rapid traverse Dynamic key element 820 and move slowly at the speed difference of key element 822 and change.For example, in some cases, key element 820 is most moved soon Can move at substantially the same speed with key element 822 is moved slowly at so that most move key element 820 soon and move slowly at key element 822 displacements between frame 802a and 802b can be with substantially the same.In addition, in some embodiments, Primary element 824 can Move between frame 802a and 802b, and in other embodiments, Primary element 824 can not be moved.Additionally, in certain situation Under, frame 802a and 802b can not include Primary element.Additionally, most moving key element 820 soon, moving slowly at key element 822 and/or main Leading the moving direction of key element 824 can change.
As set forth above, it is possible to be based on be associated with scene most move key element soon, move slowly at key element and/or Primary element To determine the prospect and/or background of scene.Fig. 9 is some embodiments according to present disclosure based on being associated with scene Most move key element soon, move slowly at least one of key element and Primary element to determine the prospect and/or background of scene The flow chart of illustrative methods 900.In some embodiments, method 900 can be by the three-dimensional video-frequency module 104 of such as Fig. 1 Three-dimensional video-frequency module implementing.For example, three-dimensional video-frequency module 104 can be configured to computer instructions is used for performing It is determined that the operation of the prospect represented by one or more blocks of method 900 and/or background.While shown as discrete area, but respectively Kind of block can be divided into extra block according to desired embodiment, be combined into less block or be eliminated.
Method 900 can start in frame 902, wherein can determine key element and/or pixel between the first frame and the second frame Movement.At frame 904, it may be determined that whether all key elements and/or pixel move in substantially the same direction.If institute There are key element and/or pixel to move in substantially the same direction, then method 900 may be advanced to frame 906.If all key elements And/or pixel is not moved in substantially the same direction, then method 900 may be advanced to frame 914.
In frame 906, it may be determined that what is be associated with the first frame and the second frame most moves soon key element and move slowly at key element. In some embodiments, can be determined relative to the displacement of the first frame based on the key element in the second frame and most move key element and slow soon The mobile key element of speed, such as above for most moving key element 820 soon and move slowly at key element between the frame 802a and 802b of Fig. 8 As 822 descriptions.
In frame 908, it may be determined that whether there is between key element significant speed difference most moving key element soon and moving slowly at. If there is significant speed difference, then method 900 may be advanced to frame 910.If without significant speed difference, method 900 May be advanced to frame 912.In some embodiments, speed difference most can soon move key element and move slowly at key element by measurement Determine to the difference of the side-play amount of the second frame from the first frame.In addition, in some embodiments, speed difference (for example, skew Difference) can be compared with threshold value, and if speed difference is more than threshold value, then method 900 may be advanced to frame 910, and if Speed difference is less than threshold value, then method 900 may be advanced to frame 912.In some cases, threshold value can be according to the type of film Change.For example, the threshold value of action movie can be higher than the threshold value of drama.
At frame 910, key element is most being moved soon and speed difference between key element is being moved slowly at substantially sufficiently large (for example, greatly In threshold value) in the case of, prospect can be to most to move key element soon related so that most moves key element soon and is considered in prospect In.It is not substantially sufficiently large (for example, little in the speed difference for most moving key element soon and move slowly between key element at frame 912 In threshold value) in the case of, background can be related with the whole scene associated to the first frame and the second frame.Therefore, in frame 912 Place, the whole scene being associated with the first frame and the second frame is considered in the background.
Return at frame 904, if as described above, the movement of all key elements and/or pixel is differed, method 900 can To proceed to frame 914.At frame 914, it may be determined that want with the presence or absence of leading in the scene being associated with the first and second frames Element.In some embodiments, leading wanting can be determined whether there is based on the quantity of the pixel being associated with each key element The determination of element, all Primary elements 824 as mentioned above for described by Fig. 8.If there is Primary element, then method 900 can be in the past Enter frame 916.If there is no Primary element, then method 900 may be advanced to frame 922.
At frame 916, it may be determined that whether the Primary element determined in frame 914 lies substantially in and the first and second frames The center of associated scene.If substantially at center, method 900 may be advanced to frame 918 to Primary element.If leading will Plain basic Bu centers, then method 900 may be advanced to frame 920.
At frame 918, in the case of center of the Primary element substantially in scene, prospect can be related to Primary element, makes It can be considered as prospect to obtain Primary element.At frame 920, because Primary element is absent from the scene the center of scape substantially, background can be with Primary element is related so that Primary element is considered background.
Return at frame 914, as mentioned above, if it is determined that there is no Primary element, then method 900 may be advanced to frame 922.At frame 922, it may be determined that what is be associated with the first and second frames most moves soon key element and move slowly at key element, similar to Carry out in frame 906.At frame 924, it may be determined that most moving key element soon and moving slowly between key element with the presence or absence of aobvious The speed difference of work, similar to what is carried out in frame 908.If there is significant speed difference, then method 900 may be advanced to frame 926.If there is no significant speed difference, then method 900 may be advanced to frame 928.
At frame 926, for most moving key element soon and move slowly at the substantially sufficiently large feelings of speed difference between key element Shape, prospect can be to most to move key element soon related so that most moves key element soon and may be considered that in prospect.At frame 928, For the speed difference for most moving key element soon and move slowly between key element is substantially insufficient to big situation, background or prospect can be with It is related with the whole scene associated to the first frame and the second frame.Therefore, at frame 928, it is associated with the first frame and the second frame Whole scene may be considered that in background or prospect.
Therefore, method 900 is determined for the background and/or prospect of scene.It will be appreciated by those skilled in the art that right In this and other processes disclosed herein and method, the work(performed in process and method can be in a different order implemented in Energy.Additionally, it is summarized the step of and operation only as an example property is provided, and some steps and operations can be optional, group The less step of synthesis and operation, or expand in additional step and operation, without departing from disclosed embodiment Essence.
Fig. 1 is returned to, as described above, in some embodiments, if three-dimensional video-frequency module 104 can determine that camera is imitated Fruit is not translation or zooming effect, then three-dimensional video-frequency module 104 can be based on the prospect being associated with the frame of monoscopic video 101 And/or the movement of background come generate left eye viewing frame and right eye viewing frame.
Figure 10 shows the block diagram 1000 according to some embodiments described herein, and it is based on and is regarded with monoscopic Frequently the movement of 1001 associated prospect and/or backgrounds carrys out from monoscopic video 1001 to generate the left eye viewing of three-dimensional video-frequency 1003 Frame 1010 and right eye viewing frame 1012.Left eye watches frame 1010 and right eye viewing frame 1012 can be by three-dimensional video-frequency module, such as Three-dimensional video-frequency module 104 shown in Fig. 1 is generating.The left eye viewing frame 1010 and right eye viewing frame 1012 of three-dimensional video-frequency 1003 can Corresponding to the frame 1002a of monoscopic video 1001, and can be given birth to based on frame 1002a and its associated modification frame 1002a' Into.In the illustrated embodiment, can by it is all as described above with reference to Figure 2 in the way of based on movement between frame 1002a and 1002b To generate modification frame 1002a'；However, in other embodiments, can be in the way of above for described by Fig. 3 using pushing away Disconnected frame changes frame 1002a' to generate.
In the illustrated embodiment, three-dimensional video-frequency module is also based on determining the phase being associated with frame 1002a and 1002b Machine effect is not translation or zooming effect and based on related to frame 1002a and 1002b (and therefore also based on modification frame 1002a') Left eye watches frame 1010 and right eye watches frame 1012 to generate for the background of connection and the relative movement of prospect.In some embodiments In, three-dimensional video-frequency module can use the method 900 above with reference to Fig. 9 descriptions to determine background and prospect.In other embodiment party In case, background and prospect can be in any other suitable manner determined.
For example, in some cases, prospect can be more mobile than background soon between frame 1002a and 1002b, and three-dimensional Video module can so determine.Which in this case, if prospect moves right, and ignore background can be in direction shifting Dynamic, frame 1002a can be appointed as left eye viewing frame 1010 by three-dimensional video-frequency module, and can be appointed as modification frame 1002a' Right eye watches frame 1012.In addition, in this case, if prospect is moved to the left, and ignore background may be at which Side moves up, then modification frame 1002a' can be appointed as left eye viewing frame 1010 by three-dimensional video-frequency module, and can be by frame 1002a is appointed as right eye viewing frame 1012.
In other cases, background can be more mobile than prospect soon between frame 1002a and 1002b, and three-dimensional video-frequency Module can so determine.Which in this case, if background is moved to the left, and ignore prospect can be in direction shifting Dynamic, then frame 1002a can be appointed as left eye viewing frame 1010 by three-dimensional video-frequency module, and can be specified modification frame 1002a' Frame 1012 is watched for right eye.Which in addition, in this case, if background moves right, and ignore prospect can be in side Move up, then modification frame 1002a' can be appointed as left eye viewing frame and can be referred to frame 1002a by three-dimensional video-frequency module It is set to right eye viewing frame 1012.
Therefore, three-dimensional video-frequency module can be configured to be not according to the camera effect that is associated with frame 1002a and 1002b Translation or the determination of zooming effect, based on the back of the body being associated with frame 1002a and 1002b (therefore being also based on changing frame 1002a') To generate, left eye watches frame 1010 and right eye watches frame 1012 for the relative movement of scape and prospect.
Without departing from the scope of this disclosure, Figure 10 can be modified, added or be omitted.For example, such as It is upper described, in the illustrated embodiment, frame 1002b can after frame 1002a, and can based on frame 1002a and 1002b it Between movement come generate modification frame 1002a'.However, in some cases, if last frame such as special scenes or connect Nearly last frame generates modification frame, then the modification of such case can be generated based on deduction frame as described above with reference to Figure 3 Frame.In addition, in some embodiments, method 900 that can be according to Fig. 9 detecting foreground and background, and at other In embodiment, foreground and background can be detected at other acceptable modes with certain.
The foregoing description of Fig. 1-10 shows that according to some embodiments described herein three-dimensional video-frequency module (for example, is schemed Three-dimensional video-frequency module 104 shown in 1) can be configured to based on the movement between the frame of monoscopic video and determined by with The associated camera effect of monoscopic video watches frame come the left eye and right eye for generating three-dimensional video-frequency.Figure 11 is according in the disclosure Hold some embodiments based on camera effect by monoscopic Video Quality Metric for three-dimensional video-frequency illustrative methods 1100 stream Cheng Tu.In some embodiments, method 1100 can be come by the three-dimensional video-frequency module of the three-dimensional video-frequency module 104 of such as Fig. 1 Implement.For example, three-dimensional video-frequency module 104 can be configured to computer instructions to perform by one or many of method 1100 Individual frame represent for by monoscopic Video Quality Metric for three-dimensional video-frequency operation.While shown as discrete frame, but according to the phase The enforcement of prestige, each frame can be divided into additional frame, be combined into less frame or be eliminated.
Method 1100 can start, and at frame 1102, it may be determined that the first frame of monoscopic video and monoscopic are regarded Movement between second frame of frequency.At frame 1104, the first frame that the movement generates modification can be based on.In some embodiments In, the first frame of modification can be generated based on the description be given with reference to Fig. 2.In other embodiments, can be based on reference Infer frame to generate the first frame of modification described by Fig. 3.
At frame 1106, camera effect can be analyzed and determined based on the movement.For example, camera effect can be determined For panning effect, zooming effect or it is not.At frame 1108, camera effect analysis and the first frame can be based on modification At least one of first frame watches frame come the left eye for generating three-dimensional video-frequency.At frame 1110, camera effect analysis can be based on And first at least one of first frame of frame and modification watch frame the right eye that generates three-dimensional video-frequency.In the feelings of zooming effect Under condition, in some embodiments, it is also based on the first frame and the second frame generates the first frame of the second modification, and can be with base At least one of first frame and the second the first frame changed in the first modification generates left eye viewing frame and right eye viewing frame. In some embodiments, left eye viewing frame and right eye viewing frame can be generated according to the description provided in Fig. 4-10.
Therefore, it is three-dimensional video-frequency that method 1100 can be used for monoscopic Video Quality Metric.Those skilled in the art should manage Solution, for this and other processes disclosed herein and method, can be implemented in a different order being performed in process and method Function.Additionally, it is summarized the step of and operation only as an example property is provided, and some steps and operations can be optional , be combined into less step and operation, or expand in additional step and operation, without departing from disclosed embodiment party The essence of case.
For example, in some embodiments, method 1100 can include and determine the step that background and/or prospect are associated Suddenly, the background and/or prospect can be used to generate three-dimensional video-frequency then, all as explained above with described by Fig. 9 and Figure 10. In other embodiments, foreground and background can determine in another way, or can be specified by input.
Fig. 1 is returned to, as described above, three-dimensional video-frequency module 104 can be configured to adjustment is included in left eye Offset to adjust the amount of the depth being associated with three-dimensional video-frequency 103 between key element in viewing frame and right eye viewing frame.Also such as Upper described, in some embodiments, three-dimensional video-frequency module 104 can be additionally configured to adjust the focus of three-dimensional video-frequency 103, make Three-dimensional video-frequency module 104 can may be in the prospect of scene or background to which key element for being perceived by beholder in sense Know and make amendment.The adjustment of depth and the adjustment of focus are described referring to Figure 12 A to Figure 14.
Figure 12 A illustrate the example scenarios that can be perceived by left eye 1202 and right eye 1204 according to some embodiments 1200.Scene 1200 can include nearside key element 1206, intermediate elements 1208 and distally key element 1210.In example shown, Left eye 1202 and right eye 1204 can be focused in intermediate elements 1208 so that intermediate elements 1208 can be on left eye 1202 and the right side The focal point of eye 1204.Therefore, nearside key element 1206 can be in the prospect for such as being perceived by left eye 1202 and right eye 1204.Separately Outward, because left eye 1202 and right eye 1204 are focused in intermediate elements 1208, then distally key element 1210 can be such as by left eye 1202 and the background that perceives of right eye 1204 in.
Figure 12 B depict the example grid 1201 according to some embodiments disclosed herein, and it illustrates to deposit It is the left eye viewing frame of the three-dimensional video-frequency being associated with scene 1200 and the key element 1206,1208 and 1210 of right eye viewing frame in Between exemplary offset.As described above, the skew of key element 1206,1208 and 1210 can simulate left eye 1202 and right eye 1204 Relative to the different visual angles of scene 1200.
In the illustrated embodiment, nearside key element 1206a in the left side can represent figure from the visual angle of the left eye 1202 of Figure 12 A The nearside key element 1206 of 12A, and the right nearside key element 1206b can represent Figure 12 A's from the visual angle of the right eye 1204 of Figure 12 A Nearside key element 1206.Therefore, alternate position spike of left side nearside key element 1206a relative to the right nearside key element 1206b in grid 1201 The nearside key element 1206 that the different left eye that can represent associated three-dimensional video-frequency is watched in frame watches the skew of frame relative to right eye.
In the illustrated embodiment, left side nearside key element 1206a can on the right, because as illustrated in fig. 12, nearside key element 1206 can be on the right for the sight line 1212 being associated with left eye 1202.In addition, the right nearside key element 1206b can on the left side, Because nearside key element 1206 can be on the left side of the sight line 1214 being associated with right eye 1204.This phenomenon is commonly known as " negative Parallax ", and occur in the case of target is before the focus of two eyes, in the illustrated embodiment, the target can To be set to intermediate elements 1208.
As viewed from the perspective of the left eye 1202 and right eye 1204 of Figure 12 A, intermediate elements 1208a/b of grid 1201 can be with table The intermediate elements 1208 of diagram 12A.In the embodiment shown in Figure 12 A, intermediate elements 1208 can be on left eye 1202 and the right side The focal point of eye 1204 so that there may be between the visual angle of left eye 1202 and right eye 1204 seldom even without skew.Cause This, intermediate elements 1208 can be substantially the same in the right eye viewing frame with associated three-dimensional video-frequency and left eye viewing frame Position.Therefore, intermediate elements 1208a/b of Figure 12 B show left side intermediate elements 1208a that perceived by left eye 1202 and by The overlap of the right intermediate elements 1208b that right eye 1204 is perceived.
In addition, left side distally key element 1210a and the right distally key element 1210b can respectively from Figure 12 A left eye 1202 and the right side The visual angle of eye 1204 represents the distally key element 1210 of Figure 12 A.Therefore, left side distally key element 1210a in grid 1201 relative to The position difference of the right distally key element 1210b can represent the distally key element that the left eye of associated three-dimensional video-frequency is watched in frame 1210 skews that frame is watched relative to right eye.
In the illustrated embodiment, left side distally key element 1210a can be on the left side, because as illustrated in fig. 12, distally key element 1210 can be on the left side of the sight line 1212 being associated with left eye 1202.Additionally, the right distally key element 1210b can on the right, Because distally key element 1210 can be on the right for the sight line 1214 being associated with right eye 1204.The phenomenon commonly known as " is faced Difference " and generation in the case of target is the focus of two eyes behind, in the illustrated embodiment, the target can be At intermediate elements 1208.
Can be adjusted by adjusting the skew between left eye viewing frame and the corresponding key element of its associated right eye viewing frame The amount of the depth of whole three-dimensional video-frequency.For example, the amount of the depth being associated with the three-dimensional video-frequency being associated with Figure 12 B can be by adjusting Skew between whole left side nearside key element 1206a and the right nearside key element 1206b, by adjust left side intermediate elements 1208a and Skew between intermediate elements 1208b of the right, and/or by adjusting left side distally key element 1210a and the right distally key element 1210b Between skew adjusting.In some embodiments of present disclosure, can be by uniting to the offset applications between key element One multiplication factor carrys out percentage regulation.
Figure 12 C depict the example grid 1203 according to some embodiments disclosed herein, and it illustrates to unite One multiplication factor is applied to after the skew of Figure 12 B, and the key element of Figure 12 B watches frame relative to the left eye and right eye of each of which Skew.Unified multiplication factor can apply to the essentially all of key element phase watched in frame and right eye viewing frame with left eye The skew of association so that the skew between key element is adjusted by substantially the same yardstick.In the illustrated embodiment, it is unified Multiplication factor can to have be 2 value, and can apply to the key element 1206 of Figure 12 B, the skew between 1208 and 1210, So that key element 1206 in Figure 12 C, the skew between 1208 and 1210 can each relative to Figure 12 B in corresponding skew add Times.
For example, in Figure 12 B, between the center of left side nearside key element 1206a and the center of the right nearside key element 1206b The skew of nearside key element can be about " 2 " individual grid cell.Therefore, nearside key element offset applications multiplication factor " 2 " can be caused Nearside key element offset approximation in Figure 12 C between the center of the center of left side nearside key element 1206a and the right nearside key element 1206b For " 4 " individual grid cell, as indicated in fig. 12 c.
In addition, the intermediate elements skew between left side intermediate elements 1208a and the right intermediate elements 1208b can be about " 0 " individual grid cell.Therefore, multiplication factor " 2 " being applied into intermediate elements skew can cause the left side centre in Figure 12 C to be wanted Intermediate elements skew between plain 1208a and the right intermediate elements 1208b remains about " 0 " individual grid cell, because 1 number It is still " 0 " that word is multiplied by " 0 ".
Additionally, in Figure 12 B, between the center of the center of left side distally key element 1210a and the right distally key element 1210b The skew of distally key element can be about " 3 " individual grid cell.Therefore, distally key element offset applications multiplication factor " 2 " can be led Cause the distally key element skew between the center of left side distally key element 1210a and the center of the right distally key element 1210b in Figure 12 C " 6 " individual grid cell is approximately, as indicated in fig. 12 c.
In the illustrated embodiment, the right nearside key element 1206b being associated with right eye viewing frame can be big with shifted left About " 2 " individual grid cell, and left side nearside key element 1206a for watching that frame is associated with left eye can in fig. 12 c relative to Figure 12 B are not shifted.In addition, in the illustrated embodiment, watching the right distally key element 1210b that frame is associated with right eye can be to The individual grid cell of dextroposition " 3 ", and watch left side distally key element 1210a that is associated of frame with left eye can phase in fig. 12 c For Figure 12 B are not shifted.Therefore, frame is watched without adjusting left eye by adjusting right eye and watch frame, the skew of nearside key element can be with Increase to " 4 " individual grid cell from " 2 " individual grid cell relative to Figure 12 B in fig. 12 c, and the skew of distally key element can be from " 3 " individual grid cell increases to " 6 " individual grid cell.
In an alternative embodiment, left side nearside key element 1206a and the left side that displacement left eye watches frame in can be passed through Distally key element 1210a rather than the right nearside key element 1206b and the right distally key element 1210b in right eye viewing frame are shifted adjusting The whole skew of nearside key element and distally key element in fig. 12 c relative to Figure 12 B offsets.In other embodiments, can pass through Shift both left side nearside key element 1206a and the right nearside key element 1206b to adjust in fig. 12 c relative to the nearside of Figure 12 B Key element offsets.Additionally, in these or some embodiments of other embodiments, can be by shifting left side distally key element Both 1210a and the right distally key element 1210b offset in fig. 12 c to adjust relative to the distally key element of Figure 12 B.
Although can be using any suitable in the above-described embodiments using specific unified multiplication factor " 2 " Multiplication factor.It is, for example possible to use increasing the depth perceived by beholder more than any appropriate multiplication factor of " 1 ".Separately Outward, can be used for reducing the depth perceived by beholder less than any suitable multiplication factor of " 1 ".Although additionally, above will Unified multiplication factor is described as being applied to the skew being associated with corresponding key element, but in some embodiments, the key element Can each include one or more pixels, and unified multiplication factor can be applicable to the skew that is associated with respective pixel.One In a little embodiments, unified multiplication factor can apply to each skew being associated with each key element and/or pixel.
Therefore, according to some embodiments of present disclosure, three-dimensional video-frequency module (for example, three-dimensional video-frequency module 104) Can be configured to be applied to unified multiplication factor to watch frame and the viewing of corresponding right eye with the left eye of three-dimensional video-frequency Offset to adjust the depth being associated with three-dimensional video-frequency between the associated corresponding key element of frame and/or pixel.By contrast, Traditional depth adjustment programme may not apply the skew of common scale to carry out percentage regulation.
Skew that frame and its associated right eye watched between the corresponding key element of frame can also be watched by adjusting left eye come The focus of adjustment three-dimensional video-frequency.For example, can be by between adjustment left side nearside key element 1206a and the right nearside key element 1206b Skew, by adjusting the skew between left side distally key element 1210a and the right distally key element 1210b and by adjusting the left side Offset to adjust Jiao of the three-dimensional video-frequency being associated with Figure 12 B between intermediate elements 1208a and the right intermediate elements 1208b Point.In some embodiments, focus can be adjusted by the summation factor unified to the offset applications between key element.It is unified The summation factor can apply to watch the skew that is associated of essentially all of key element of frame and right eye viewing frame in left eye. In addition, in some embodiments, the unified summation factor can apply to watch the respective pixel phase of frame with left eye and right eye The skew of association.
Figure 12 D depict the example grid 1205 according to some embodiments disclosed herein, and it illustrates to unite The one summation factor is applied to after the skew of Figure 12 B, and the key element of Figure 12 B watches frame relative to the left eye and right eye of each of which Skew.In the illustrated embodiment, the unified summation factor can be applied so that watch the key element phase that frame is associated with right eye For the key element shifted left being associated with left eye viewing frame.This right eye viewing frame key element relative to left eye watch frame key element to Shifting left can cause focus to be moved rearwards by so that more key elements are perceived in prospect.
In other embodiments, the unified summation factor can be applied so that watch the key element that frame is associated with right eye The key element right shift that frame is associated is watched relative to left eye.This right eye viewing frame key element watches frame key element relative to left eye Right shift can cause focus to move forward so that more key elements are perceived in background.
In the embodiment illustrated, the unified summation factor can have value " -3 ", and can apply to Figure 12 B's Key element 1206, the skew between 1208 and 1210 so that right eye viewing frame key element each can be relative to their corresponding left sides Observe and see three grid cells of frame key element shifted left.In the embodiment illustrated, bearing the summation factor can cause right eye to be seen See frame key element relative to left eye watch frame key element shifted left, and the factor of just suing for peace can cause right eye viewing frame key element relative to Left eye watches frame key element right shift.However, in other embodiments, the factor of just suing for peace can cause right eye to watch frame key element Frame key element shifted left is watched relative to left eye, and the negative summation factor can cause right eye viewing frame key element to be watched relative to left eye Frame key element right shift.
For example, in Figure 12 B, between the center of left side nearside key element 1206a and the center of the right nearside key element 1206b The skew of nearside key element can be " 2 " individual grid cell.Therefore, the nearside summation factor of " -3 " being applied to shown in Figure 12 B Key element skew can cause the right nearside key element 1206b relative to the individual grid list in left side nearside key element 1206a shifted left " 3 " Unit so that the nearside skew between the center of the center of left side nearside key element 1206a and the right nearside key element 1206b is in application Can be " 5 " individual grid cell after the summation factor, as indicated in fig. 12d.
In addition, the intermediate elements skew between left side intermediate elements 1208a and the right intermediate elements 1208b can be about " 0 " individual grid cell.Therefore, the summation factor of " -3 " is applied to the intermediate elements skew shown in Figure 12 B can be caused the right side Side intermediate elements 1208b are relative to the individual grid cell in left side intermediate elements 1208a shifted left " 3 " so that in application drawing 12D Centre after the shown summation factor, between the center of left side intermediate elements 1208a and the center of the right intermediate elements 1208b Skew can be " 3 " individual grid cell.
Additionally, in Figure 12 B, between the center of the center of left side distally key element 1210a and the right distally key element 1210b The skew of distally key element can be " 3 " individual grid cell.Therefore, the summation factor of " -3 " is applied to remote shown in Figure 12 B Side key element skew can cause the right distally key element 1210b relative to the individual grid list in left side distally key element 1210a shifted left " 3 " Unit so that after the summation factor is applied, the center of left side distally key element 1210a and the center of the right distally key element 1210b it Between distally skew can be " 0 " individual grid cell, as indicated in fig. 12d.
In the illustrated embodiment, the right nearside key element 1206b, the right intermediate elements that frame is associated are watched with right eye 1208b and the right distally key element 1210b can respectively be moved to the left " 3 " individual grid cell, and be associated with left eye viewing frame Left side nearside key element 1206a, left side intermediate elements 1208a and left side distally key element 1210a can not in fig. 12d relative to Figure 12 B shift to obtain desired skew adjustment amount.In an alternative embodiment, in fig. 12d relative to Figure 12 B, nearside Skew, middle skew and distally skew can be by displacement left side nearside key element 1206a, the right nearside key element 1206b, the left sides Between in key element 1208a, the right intermediate elements 1208b, left side distally key element 1210a and/or the right distally key element 1210b To adjust.
In addition, shown embodiment depicts the key element that will be associated with right eye viewing frame relative in left eye viewing frame Corresponding key element shifted left, focus is moved back to, and this can bring more key elements in the prospect perceived by beholder. However, as described above, in other embodiments, the key element being associated with right eye viewing frame can be watched relative to it in left eye Corresponding key element right shift in frame, to move forward focus, this can bring more in the background perceived by beholder Key element.
Therefore, some embodiments of the invention, three-dimensional video-frequency module (for example, three-dimensional video-frequency module 104) can quilt It is configured to pass to the left eye of three-dimensional video-frequency and watches the associated corresponding key element of frame and corresponding right eye viewing frame and/or pixel Between the unified summation factor of offset applications adjusting the focus being associated with three-dimensional video-frequency.
It will be appreciated by those skilled in the art that for this and other processes disclosed by the invention and method, can be with not Same order is come the function of execution in being implemented in process and method.Additionally, it is summarized the step of and operation only as an example property is carried For, and some steps and operations can be optional, be combined into less step and operation or expand to additional step In operation, without departing from the essence of disclosed embodiment.
Figure 13 is the illustrative methods of the depth of the adjustment three-dimensional video-frequency of some embodiments according to present disclosure 1300 flow chart.In some embodiments, method 1300 can be by the three-dimensional video-frequency module of three-dimensional video-frequency module such as Fig. 1 104 implementing.For example, three-dimensional video-frequency module 104 can be configured to computer instructions to perform as by method 1300 The operation for adjusting the depth of three-dimensional video-frequency represented by one or more frames.While shown as discrete block, but according to the phase The enforcement of prestige, various frames can be divided into additional frame, be combined into less frame or be eliminated.
Method 1300 can start, and at frame 1302, can generate the left eye viewing frame of three-dimensional video-frequency.Left eye viewing frame can be with Including multiple left eyes viewing viewing frame key element.In some embodiments, left eye viewing frame key element can be included in left eye Essentially all of key element in viewing frame so that it is whole left that left eye viewing frame key element can substantially be covered with (encompass) Observe and see frame.In addition, left eye viewing frame key element can each include one or more pixels.
At frame 1304, the right eye viewing frame of three-dimensional video-frequency can be generated.Right eye viewing frame can correspond to left eye viewing Frame, and can include that multiple right eyes watch frame key element.Each right eye viewing frame key element can correspond to left eye viewing frame key element In one.In some embodiments, right eye viewing frame key element can be included in the substantially institute in right eye viewing frame Some key elements so that right eye viewing frame key element can substantially be covered with whole right eye viewing frame.In addition, right eye viewing frame key element can Each to include one or more pixels.
At frame 1306, it may be determined that inclined between the corresponding right eye viewing frame key element of each left eye viewing frame key element Move.In some embodiments, skew can on a pixel-by-pixel basis be determined.At frame 1308, each skew can be answered With unified multiplication factor so that the depth that can be associated with three-dimensional video-frequency with substantially unified rescaling.
Therefore, method 1300 can be used for adjusting the depth of three-dimensional video-frequency.It will be appreciated by those skilled in the art that for this This and other processes and method of disclosure of the invention, can in a different order be implemented in the work(performed in process and method Energy.Additionally, it is summarized the step of and operation only as an example property is provided, and some steps and operations can be optional, group In synthesizing less step and operation or expanding to additional step and operate, without departing from the sheet of disclosed embodiment Matter.
For example, in some embodiments, method 1300 can include and generate left eye viewing frame and right eye viewing frame phase The step of association.In some of these embodiments, one or more mode that can be described above with reference to Fig. 1-11 with basis Generate left eye viewing frame and right eye viewing frame.
Figure 14 is the illustrative methods of the focus of the adjustment three-dimensional video-frequency of some embodiments according to present disclosure 1400 flow chart.In some embodiments, method 1400 can be by the stereopsis of the three-dimensional video-frequency module 104 of such as Fig. 1 Frequency module is realizing.For example, three-dimensional video-frequency module 104 can be configured to computer instructions to perform by method 1400 The operation for adjusting the focus of three-dimensional video-frequency that one or more frames are represented.While shown as discrete block, but according to expectation Enforcement, various frames can be divided into additional frame, be combined into less frame or be eliminated.
Method 1400 can start, and at frame 1402, can generate the left eye viewing frame of three-dimensional video-frequency.Left eye watches frame Can include that multiple left eyes watch frame key element.In some embodiments, left eye viewing frame key element can be included in left eye Essentially all of key element in viewing frame so that left eye viewing frame key element can substantially be covered with whole left eye viewing frame.Separately Outward, left eye viewing frame key element can each include one or more pixels.
At frame 1404, the right eye viewing frame of three-dimensional video-frequency can be generated.Right eye viewing frame can correspond to left eye viewing Frame, and can include that multiple right eyes watch frame key element.Each right eye viewing frame key element can correspond to left eye viewing frame key element In one.In some embodiments, right eye viewing frame key element can be included in the substantially institute in right eye viewing frame Some key elements so that right eye viewing frame key element can substantially be covered with whole right eye viewing frame.In addition, right eye viewing frame key element can Each to include one or more pixels.
At frame 1406, it may be determined that inclined between the corresponding right eye viewing frame key element of each left eye viewing frame key element Move.In some embodiments, skew can on a pixel-by-pixel basis be determined.At frame 1408, can by unified summation because Son is applied to each skew.The unified summation factor can be applied so that each right eye viewing frame key element can be right relative to its The left eye viewing frame key element answered uniformly shifts substantially identical amount.Therefore, displacement can be adjusted and is associated with three-dimensional video-frequency Focus.
Therefore, method 1400 can be used for adjusting the focus of three-dimensional video-frequency.It will be appreciated by those skilled in the art that for this This and other processes and method of disclosure of the invention, can in a different order be implemented in the work(performed in process and method Energy.Additionally, it is summarized the step of and operation only as an example property is provided, and some steps and operations can be optional, group In synthesizing less step and operation or expanding to additional step and operate, without departing from the sheet of disclosed embodiment Matter.
For example, in some embodiments, method 1400 can include and generate left eye viewing frame and right eye viewing frame phase The step of association.In some of these embodiments, one or more mode that can be described above with reference to Fig. 1-11 with basis Generate left eye viewing frame and right eye viewing frame.
Embodiment described herein can include using special or all-purpose computer, including various computer hardwares or soft Part module, as discussed in more detail below.
The embodiments described herein can be used for carrying or with the computer executable instructions being stored thereon Or the computer-readable medium of data structure is implementing.Such computer-readable medium can be can be by universal or special calculating Any usable medium that machine is accessed.As an example property and it is unrestricted, such computer-readable medium can include tangible meter Calculation machine readable storage medium storing program for executing, including RAM, ROM, EEPROM, CD-ROM or other optical disc storages, disk storage or other magnetic deposit Storage equipment or any other storage medium, it can be used for carrying or storing computer executable instructions or data structure form Expectation program code, and can be accessed by universal or special computer.Combinations of the above can also be included in computer can Read in the range of medium.
Computer executable instructions can be performed by processing equipment, and can include for example causing all-purpose computer, specially The instruction and data of a certain function or one group of function is performed with computer or dedicated treatment facility.Although with to architectural feature And/or the special language of method action describes theme, but it is to be understood that the theme defined in claims is not necessarily It is limited to above-mentioned specific features or action.Conversely, above-mentioned specific features and action are disclosed as implementing the exemplary shape of claim Formula
As it is used herein, term " module " or " component " can refer to the software object or journey for performing on a computing system Sequence.Different components described herein, module, engine and service may be implemented as object or the process for performing on a computing system (for example, as single thread).Although systems and methods described herein can be implemented with software, the reality in hardware Apply or the combination of software and hardware is also possible and expected.In this manual, " computational entity " can be as this paper's Any computing system of front definition, module or the combinations of modulation run on a computing system.
All exemplary and conditional language as herein described is intended to for teaching object, to help reader to understand the present invention The conception contributed with this area is promoted by inventor, and the example and bar of these concrete narrations should be to be construed as being without limitation of Part.Although embodiment of the present invention is described in detail, but it is to be understood that without departing from the spirit and scope of the present invention In the case of, various changes can be carried out to it, is replaced and is changed.

Claims (26)

1. the method for the depth in a kind of adjustment three-dimensional video-frequency, methods described includes：
The left eye viewing frame of three-dimensional video-frequency is generated, the left eye viewing frame includes that multiple left eyes watch frame key element；
The right eye viewing frame of the three-dimensional video-frequency is generated, the right eye viewing frame watches frame and including many corresponding to the left eye Individual right eye watches frame key element, and each right eye viewing frame key element is corresponding in left eye viewing frame key element；
Determine the skew between the corresponding left eye viewing frame key element of each right eye viewing frame key element；And
The multiplication factor unified to each offset applications so that related to the three-dimensional video-frequency with substantially unified rescaling The perceived depth of connection.
2. the method for claim 1, it is characterised in that：
The plurality of left eye viewing frame key element is substantially covered with all of left eye and watches frame；And
The plurality of right eye viewing frame key element is substantially covered with all of right eye and watches frame.
3. method as claimed in claim 2, it is characterised in that：
The plurality of left eye viewing frame key element includes that left eye watches frame pixel；And
The plurality of right eye viewing frame key element includes that right eye watches frame pixel.
4. the method for claim 1, it is characterised in that：The unified multiplication factor is vertical with described to reduce less than 1 The associated perceived depth of volumetric video.
5. the method for claim 1, it is characterised in that：The unified multiplication factor is vertical with described to increase more than 1 The associated perceived depth of volumetric video.
6. the method for claim 1, also includes：
Determine the movement between the first frame of monoscopic video and the second frame of the monoscopic video；
Based on the mobile determination camera effect；And
The left eye viewing frame and right eye viewing frame are generated based on the camera effect.
7. method as claimed in claim 6, it is characterised in that：The camera effect includes panning effect, zooming effect, rotation At least one in effect and static effect.
8. method as claimed in claim 6, also includes：
At least one of foreground and background is determined based on first frame and second frame；
Determine being associated with least one of the prospect and the background between first frame and second frame It is mobile；And
Based on left eye viewing frame and described described in the motion generation being associated with least one of the prospect and the background Right eye watches frame.
9. method as claimed in claim 8, also includes：
It is determined that most moving key element soon, moving slowly in key element and Primary element with first frame and second frame are associated At least one；And
Based on most moving key element described in being associated with first frame and second frame soon, described move slowly at key element and institute State at least one of Primary element to determine at least one of the prospect and the background.
10. method as claimed in claim 6, it is characterised in that：Second frame is the subsequent frame relative to first frame.
11. methods as claimed in claim 6, it is characterised in that：Second frame is the previous frame relative to first frame.
12. methods as claimed in claim 11, also include：
Detect it is in the monoscopic video, from the scene being associated with first frame and second frame to another scene Scene changes；
In response to the scene changes that detect and based on the movement between first frame and second frame, infer with The subsequent frame of the associated scene of first frame and second frame；And
At least one of the left eye viewing frame and right eye viewing frame are generated based on the subsequent frame inferred.
13. a kind of computer-readable recording mediums, including the depth for being configured to make system execution operation to adjust three-dimensional video-frequency Computer executable instructions, the operation includes：
The left eye viewing frame of three-dimensional video-frequency is generated, the left eye viewing frame includes that multiple left eyes watch frame key element；
The right eye viewing frame of the three-dimensional video-frequency is generated, the right eye viewing frame watches frame and including many corresponding to the left eye Individual right eye watches frame key element, and each right eye viewing frame key element is corresponding in left eye viewing frame key element；
Determine the skew between the corresponding left eye viewing frame key element of each right eye viewing frame key element；And
The multiplication factor unified to each offset applications so that be associated with three-dimensional video-frequency with substantially unified rescaling Perceived depth.
The method of the focus in a kind of 14. adjustment three-dimensional video-frequencies, methods described includes：
The left eye viewing frame of three-dimensional video-frequency is generated, the left eye viewing frame includes that multiple left eyes watch frame key element；
The right eye viewing frame of the three-dimensional video-frequency is generated, the right eye viewing frame watches frame and including many corresponding to the left eye Individual right eye watches frame key element, and each right eye viewing frame key element watches frame key element corresponding to the left eye；
Determine the skew between the corresponding left eye viewing frame key element of each right eye viewing frame key element；And
The unified summation factor is applied into each skew so that each right eye viewing frame key element is seen relative to its corresponding left eye See that frame key element uniformly shifts substantially identical amount, so as to adjust the perception focus being associated with three-dimensional video-frequency.
15. methods as claimed in claim 14, it is characterised in that：
The plurality of left eye viewing frame key element is substantially covered with all of left eye and watches frame；And
The plurality of right eye viewing frame key element is substantially covered with all of right eye and watches frame.
16. methods as claimed in claim 15, it is characterised in that：
The plurality of left eye viewing frame key element includes that left eye watches pixel；And
The plurality of right eye viewing frame key element includes that right eye watches frame pixel.
17. methods as claimed in claim 14, it is characterised in that：Using the unified summation factor so that each right eye Viewing frame key element watches frame key element uniformly substantially the same amount of right shift relative to its corresponding left eye.
18. methods as claimed in claim 14, it is characterised in that：Using the unified summation factor so that each right eye Viewing frame key element watches frame key element uniformly substantially the same amount of shifted left relative to its corresponding left eye.
19. methods as claimed in claim 14, it is characterised in that：
Determine the movement between the first frame of monoscopic video and the second frame of the monoscopic video；
Based on the mobile determination camera effect；And
The left eye viewing frame and right eye viewing frame are generated based on the camera effect.
20. methods as claimed in claim 19, it is characterised in that：The camera effect includes panning effect, zooming effect, rotation Turn effect and at least one in static effect.
21. methods as claimed in claim 19, also include：
At least one of foreground and background is determined based on first frame and second frame；
Determine being associated with least one of the prospect and the background between first frame and second frame It is mobile；And
Based on the mobile generation being associated with least one of the prospect and background left eye viewing frame and described Right eye watches frame.
22. methods as claimed in claim 21, also include：
It is determined that most moving key element soon, moving slowly in key element and Primary element with first frame and second frame are associated At least one；And
Based on most moving key element described in being associated with first frame and second frame soon, described move slowly at key element and institute State at least one of Primary element to determine at least one of the prospect and the background.
23. methods as claimed in claim 19, it is characterised in that：Second frame is relative to the follow-up of first frame Frame.
24. methods as claimed in claim 19, it is characterised in that：Second frame is relative to the previous of first frame Frame.
25. methods as claimed in claim 24, also include：
Detect it is in the monoscopic video, from the scene being associated with first frame and second frame to another scene Scene changes；
In response to the scene changes that detect and based on the movement between first frame and second frame, infer with The subsequent frame of the associated scene of first frame and second frame；And
At least one of the left eye viewing frame and right eye viewing frame are generated based on the subsequent frame inferred.
26. a kind of computer-readable recording mediums, including the depth for being configured to make system execution operation to adjust three-dimensional video-frequency Computer executable instructions, the operation includes：
The left eye viewing frame of three-dimensional video-frequency is generated, the left eye viewing frame includes that multiple left eyes watch frame key element；
The right eye viewing frame of the three-dimensional video-frequency is generated, the right eye viewing frame watches frame and including many corresponding to the left eye Individual right eye watches frame key element, and each right eye viewing frame key element watches frame key element corresponding to the left eye；
Determine the skew between the corresponding left eye viewing frame key element of each right eye viewing frame key element；And
The summation factor unified to each offset applications so that each right eye viewing frame key element is watched relative to its corresponding left eye Frame key element uniformly shifts substantially identical amount, so as to adjust the perception focus being associated with three-dimensional video-frequency.
CN201580043196.5A 2014-06-10 2015-06-10 Stereoscopic depth adjustment and focus point adjustment Pending CN106688230A (en)

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US14/301,140 US9973745B2 (en) 2014-06-10 2014-06-10 Stereoscopic focus point adjustment
US14/301,132 US9674500B2 (en) 2014-06-10 2014-06-10 Stereoscopic depth adjustment
US14/301,132 2014-06-10
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