CN102300106B - Three-dimensional processing circuit and method - Google Patents
Three-dimensional processing circuit and method Download PDFInfo
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- CN102300106B CN102300106B CN201010218414.3A CN201010218414A CN102300106B CN 102300106 B CN102300106 B CN 102300106B CN 201010218414 A CN201010218414 A CN 201010218414A CN 102300106 B CN102300106 B CN 102300106B
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Abstract
The invention discloses a three-dimensional processing circuit and method. A key point depth is obtained by analyzing an image key point in a three-dimensional image so that a position of on screen display (OSD) is changed, therefore, the defects of the traditional three-dimensional processing circuit and method are improved and the load of a visitor is lightened.
Description
Technical field
The present invention relates to a kind for the treatment of circuit and processing method of 3-dimensional image, particularly relate to a kind of according to showing (On-Screen display on image depth decision screen; OSD) 3-dimensional image treatment circuit and the method for position.
Background technology
Three-dimensional (3D) image can via depth calculation, twin-lens video recording or alternate manner produces, in the plane of 2D, add scene depth, audience wears after special 3D glasses, can watch the image with 3D effect, and more complete visual enjoyment is provided.But on screen, show (On-Screen display; OSD) information, for example captions, are generally additional information, in other words, OSD itself there is no the message of the degree of depth.Existing OSD display mode has two kinds, and Figure 1A and Figure 1B be take captions as example, show existing processing mode.
Figure 1A shows the action situation of a kind of existing three-dimensional (3D) image emphasis 10a and captions 11a.Captions 11a does not do any with the relevant processing of the degree of depth, so in stereopsis, eyes see that the position of captions 11a is identical, effect visually, is equivalent to word in the position of screen real space.But captions 11a needs again the superiors that are presented at picture for watching, cause when viewing and admiring, have as the situation of " image at a distance; cover image nearby ", as the schematic diagram in Figure 1A upper right corner, the strange situation of this violation daily life experience, is viewing and admiring 3D image, for example during 3D film, can cause audience's discomfort.
Figure 1B shows the action situation of another kind of existing 3D image 10b and captions 11b thereof.The position of captions 11b is fixed on the minimum place of the degree of depth of whole 3D image, seems still can cover other object though actual, and this mode meets daily life experience, seems not have strange sensation.Yet, take 3D film as example, at 3D image emphasis 10b sometimes not in the more shallow the place ahead of the degree of depth, but compared with depths, at this moment audience, when viewing and admiring the focus being positioned at a distance, needs again to view and admire the captions 11b being fixed on the most nearby, in other words, audience needs constantly to adjust the focal length of binocular fixation, gets off for a long time to allow eye fatigue.
Summary of the invention
One of object of the present invention, is to provide a kind of 3-dimensional image processing method, improves the defect in existing three-dimensional process circuit and processing method, to alleviate audience's burden.
One of object of the present invention, is to provide a kind of 3-dimensional image processing unit.
The present invention proposes a kind of 3-dimensional image treatment circuit, in order to process an original 3-dimensional image to produce a 3-dimensional image, it comprises: an image analysing computer device, and analyze this original 3-dimensional image to obtain the keynote message of this original 3-dimensional image, and export an emphasis degree of depth according to this keynote message; On one screen, show (OSD) determination device, be coupled in this image analysing computer device, according to this emphasis degree of depth, determine an OSD position, produce according to this OSD with the degree of depth; An and superposition device, this OSD determination device is coupled, this original 3-dimensional image of superposition and this have the OSD of the degree of depth, produce this 3-dimensional image, wherein this image analysing computer device also comprises: a sharpness judgment means, in order to detect the highest region of sharpness in this original 3-dimensional image, to produce one first keynote message; One device for dynamically detecting, detects in this original 3-dimensional image, and a stationary objects relative with the picture background of fast moving or a main mobile object, to produce one second keynote message; One saturation judgment means, in order to detect the highest region of saturation in this original 3-dimensional image, to produce a triple point information; And a weight circuit, couple this sharpness judgment means, device for dynamically detecting and this saturation judgment means, according to this first, second and third keynote message, carry out weight calculation and determine this emphasis degree of depth.
The present invention also provides a kind of 3-dimensional image processing method, and in order to process an original 3-dimensional image to produce a 3-dimensional image, the method includes the steps of: receive an original 3-dimensional image; Analyze this original 3-dimensional image, obtain the keynote message of this original 3-dimensional image, and export an emphasis degree of depth according to this keynote message; According to this emphasis degree of depth, determine an OSD position, produce according to this OSD with the degree of depth; And this original 3-dimensional image of superposition and this have the OSD of the degree of depth, produce this 3-dimensional image, wherein, this analyzes this original 3-dimensional image, obtain the keynote message of this original 3-dimensional image, and comprise according to the step that this keynote message is exported an emphasis degree of depth: detect the highest region of sharpness in this original 3-dimensional image, to produce one first keynote message; Detect in this original 3-dimensional image, a stationary objects relative with the picture background of fast moving or a main mobile object, to produce one second keynote message; Detect the highest region of saturation in this original 3-dimensional image, to produce a triple point information; And according to this first, second and third keynote message, carry out weight calculation and determine this emphasis degree of depth.
Accompanying drawing explanation
Figure 1A is the schematic diagram of one action situation between existing 3-dimensional image and captions thereof;
Figure 1B is the schematic diagram of another action situation between existing 3-dimensional image and captions thereof;
Fig. 2 is according to three-dimensional process circuit one embodiment schematic diagram of the present invention;
Fig. 3 is according to the schematic diagram of another embodiment of three-dimensional process circuit of the present invention;
Fig. 4 is according to the calcspar of image analysing computer device one embodiment of the present invention;
Fig. 5 is according to the calcspar of OSD determination device one embodiment of the present invention;
Fig. 6 is according to the schematic diagram of 3-dimensional image processing method one embodiment of the present invention;
To be display application the present invention be set as being attached to an embodiment of the superiors of 3D image emphasis by the captions degree of depth to Fig. 7;
Fig. 8 is that display application the present invention is set as the embodiment in summary the place ahead of 3D image emphasis by the captions degree of depth; And
Fig. 9 is that display application the present invention is set in the captions degree of depth one embodiment of the centre of 3D image emphasis.
Reference numeral explanation
Three-dimensional (3D) image emphasis of 10a/b
11a/b captions
20 three-dimensional process circuit
21 image analysing computer devices
22 OSD determination devices
23 superposition devices
30 three-dimensional process circuit
31 image analysing computer devices
32 OSD determination devices
33 superposition devices
34 deferred mounts
40 image analysing computer devices
41 sharpness judgment means
42 device for dynamically detecting
43 saturation judgment means
44 weight circuit
50 OSD determination devices
51 OSD depth calculation devices
52 OSD image calculation devices
70 three-dimensionals (3D) image emphasis
71 captions
80 three-dimensionals (3D) image emphasis
81 captions
90 three-dimensionals (3D) image emphasis
91 captions
Embodiment
Fig. 2 is according to the calcspar of 3-dimensional image treatment circuit one embodiment of the present invention.This three-dimensional process circuit 20 receives an original 3-dimensional image, and image analysing computer device 21, according to this original 3-dimensional image, is found out the emphasis degree of depth of this original 3-dimensional image.Image analysing computer device 21 can be realized by various ways, for example detect sharpness, the color saturation of this original 3-dimensional image, or according to the translational speed of object in this original 3-dimensional image, to know the emphasis degree of depth of this original 3-dimensional image, determine according to this degree of depth of OSD and produce 3-dimensional image.It is example that the present embodiment be take the main mobile object detecting in this original 3-dimensional image, determines the emphasis degree of depth.In one embodiment, with the main mobile object in this original 3-dimensional image, the personage who for example moves in a static scene, also exports the emphasis degree of depth with this personage according to this as keynote message.In another embodiment, be in the picture background of fast moving, find out static object relative to this picture background, for example the automobile in benz, also exports the emphasis degree of depth with this automobile according to this as keynote message.Determine after the emphasis degree of depth, OSD determination device 22 is according to this emphasis degree of depth, determine the degree of depth of OSD (for example captions), and according to the image format of this original 3-dimensional image, calculate and produce the OSD with depth information that is applicable to this image format, the OSD superposition that by superposition device 23, this is had to depth information again, to this original 3-dimensional image, produces the 3-dimensional image with variable depth OSD.Thus, the OSD of this variable depth is by the emphasis of following in image, and human eye, when viewing and admiring 3D image, just need constantly not adjusted the focal length of vision between image emphasis and OSD, alleviates audience's burden.In the present embodiment, OSD is captions, and these captions can be separated by an OSD separator (not shown) in original 3-dimensional image, then offers OSD determination device 22 and carry out subsequent treatment.In other embodiments, OSD can be a Control-Menu, conventionally by OSD generator (O) the SD generator of display) produce, OSD now directly offers OSD determination device 22 by this OSD generator.Those skilled in the art should be appreciated that can there be various variations in the source of OSD according to image source or applied device, is not described in detail at this.
Fig. 3 is according to the calcspar of another embodiment of 3-dimensional image treatment circuit of the present invention.Three-dimensional process circuit 30 receives an original 3-dimensional image, image analysing computer device 31 is analyzed this original 3-dimensional image, find out the keynote message of this original 3-dimensional image, and export according to this emphasis degree of depth, after determining the emphasis degree of depth, OSD determination device 32 is according to this emphasis degree of depth, determine the degree of depth of OSD, and according to the image format of this original 3-dimensional image, calculate and produce the OSD with depth information that is applicable to this image format, the OSD superposition that by superposition device 33, this is had to the degree of depth again, to this original 3-dimensional image, produces the 3-dimensional image with variable depth OSD.In addition, the present embodiment also comprises a deferred mount 34, couples this superposition device 33, and this original 3-dimensional image, after a suitable delay, then is offered to this superposition device 33, so that image and OSD phase superposition suitably produces 3-dimensional image.
Fig. 4 is according to the calcspar of image analysing computer device one embodiment of the present invention.Image analysing computer device 4 can comprise a sharpness judgment means 41, in order to detect the highest region of sharpness in this original 3-dimensional image; One device for dynamically detecting 42, in order to detect a stationary objects relative with the picture background of fast moving in this original 3-dimensional image or a main mobile object; And a saturation judgment means 43, in order to detect the highest region of color saturation in this original 3-dimensional image.For example, the highest region of sharpness in general film or photo, is the key area in this film or photo conventionally; Or the main mobile object in film, an or stationary objects relative with the picture background of fast moving, is generally the key area of this film; The region that and for example in film or photo, color saturation is the highest is often also the key area in this film or photo, the image analysing computer device 40 that the present embodiment proposes produces first, second, and third keynote message by sharpness judgement, detection of dynamic and saturation judgement, via 44 pairs of these first, second, and third keynote messages of weight circuit, do weight calculation again, to determine the emphasis degree of depth of this original 3-dimensional image.Except sharpness, outside the methods such as detection of dynamic and saturation judgement, also have various ways can judge the keynote message of 3-dimensional image, it will be apparent to those skilled in the art that, it is possible that the content disclosing according to the present invention is made various combinations, in other embodiments can be according to actual design and demand, carry out and increase the mechanism such as other dissimilar judgement and detection, only using a kind of judgement or checkout gear (sharpness judgment means 41 in the present embodiment for example, device for dynamically detecting 42 or saturation judgment means 43) embodiment in, weight circuit can be omitted.For example, when this original 3-dimensional image is too complicated or its content changing and while causing being difficult for judgement (cartoon), image analysing computer device 40 is first done dissimilar analysis (for example sharpness analysis, color saturation analysis and mobile analysis etc.) to this original 3-dimensional image, these analysis results of by weight circuit 44, image analysing computer device 40 being done are again made weight calculation and are determined this emphasis degree of depth, so that the emphasis degree of depth determining is more accurate.
Fig. 5 is according to the calcspar of OSD determination device one embodiment of the present invention.OSD determination device 50 comprises an OSD depth calculation device 51 and an OSD image calculation device 52, and OSD depth calculation device 51 couples image analysing computer device, and receives the emphasis degree of depth that it is exported, and calculates according to this degree of depth that determines OSD.This OSD degree of depth can, according to the characteristic of user's hobby and this 3-dimensional image, be arranged on the place ahead, leading edge or the centre of this 3-dimensional image emphasis.OSD image calculation device 52 couples this OSD depth calculation device 51, the OSD degree of depth determining according to OSD depth calculation device 51 and the form of this original 3-dimensional image, calculate and produce the OSD with depth information that is applicable to this original three-dimensional video format, then the OSD that this is had to depth information offers superposition device.
Current 3-dimensional image is mainly divided into scene (Scene) and adds the degree of depth (Depth), and with two video cameras, takes two kinds of forms that its image information comprises right and left eyes.Therefore, OSD image calculation unit 42, according to different pattern of the inputs, calculates suitable osd information.When for example if the form of this original 3-dimensional image is scene and the degree of depth, just directly according to this OSD depth calculation, produce the OSD that this has the degree of depth, and this original 3-dimensional image and this are there is to the OSD phase superposition of the degree of depth.If this original 3-dimensional image is while comprising the form of a left-eye images and a right-eye image, according to this emphasis degree of depth, calculate respectively the required different OSD depth locations of right and left eyes image, superposition in addition again, after the right and left eyes image that this superposition completes generation is received by human eye, the image position that human brain receives according to right and left eyes, is combined into the vision imaging with the degree of depth.
Preferably, this OSD is designed to translucent so that this OSD drops to minimum on the impact of other object in 3-dimensional image.
Change ground, this OSD is arranged to this keynote message peripheral, make this OSD follow more closely the emphasis in this 3-dimensional image.
Fig. 6 is that the method includes the steps of according to the flow chart of 3-dimensional image processing method one embodiment of the present invention: s601 receives an original 3-dimensional image; S602 analyzes this original 3-dimensional image to obtain the keynote message of this original 3-dimensional image, and exports an emphasis degree of depth according to this keynote message; S603 determines an OSD position according to this emphasis degree of depth, produces according to this OSD with the degree of depth; And this original 3-dimensional image of s604 superposition and this have the OSD of the degree of depth, produce this 3-dimensional image.
Preferably, this step s604 also comprises a delay step, by this original 3-dimensional image after a delay, then with this OSD phase superposition with the degree of depth to produce this 3-dimensional image.
By the above embodiments, audience can be set as the captions degree of depth to be attached to the superiors, summary the place ahead and centre of 3D image emphasis according to personal like, as shown in Fig. 7 of this specification, 8 and 9.To be display application the present invention be set as being attached to an embodiment of the superiors of 3D image emphasis by the captions degree of depth to Fig. 7.In the present embodiment, when audience sets captions 71 and is set in 3D image emphasis 70 the superiors, no matter this 3D image emphasis 70 is bordering on or is distal to human eye, captions 71 will be adjusted to 3D image emphasis 70 the superiors automatically according to the position of 3D image emphasis 70.Therefore, audience does not need to adjust the focal length of binocular fixation, to alleviate eye fatigue.
Similarly, Fig. 8 is that display application the present invention is set as the embodiment in summary the place ahead of 3D image emphasis by the captions degree of depth.In the present embodiment, when setting captions 81, audience is set in 3D image emphasis 80 slightly during the place ahead, no matter how 3D image emphasis 80 changes its position, captions 81 will be adjusted to automatically according to the position of 3D image emphasis 80 summary the place ahead of 3D image emphasis 80.
Similarly, Fig. 9 is that display application the present invention is set in the captions degree of depth one embodiment of the centre of 3D image emphasis.In the present embodiment, when setting captions 91, audience is set in 3D image emphasis 90 slightly during the place ahead, no matter how 3D image emphasis 90 changes its position, captions 91 will be adjusted to automatically according to the position of 3D image emphasis 90 centre of 3D image emphasis 90.The foregoing is only example of the present invention and implement aspect, and can not limit the scope that the present invention is implemented with this.All equalizations of doing according to claim of the present invention change and modify, and all should belong to the scope that patent of the present invention contains.
Claims (12)
1. a 3-dimensional image treatment circuit, in order to process an original 3-dimensional image to produce a 3-dimensional image, it comprises:
One image analysing computer device, analyzes this original 3-dimensional image to obtain the keynote message of this original 3-dimensional image, and exports an emphasis degree of depth according to this keynote message;
On one screen, show (OSD) determination device, be coupled in this image analysing computer device, according to this emphasis degree of depth, determine an OSD position, produce according to this OSD with the degree of depth; And
One superposition device, this OSD determination device that is coupled, this original 3-dimensional image of superposition and this have the OSD of the degree of depth, produce this 3-dimensional image,
Wherein this image analysing computer device also comprises:
One sharpness judgment means, in order to detect the highest region of sharpness in this original 3-dimensional image, to produce one first keynote message;
One device for dynamically detecting, detects in this original 3-dimensional image, and a stationary objects relative with the picture background of fast moving or a main mobile object, to produce one second keynote message;
One saturation judgment means, in order to detect the highest region of saturation in this original 3-dimensional image, to produce a triple point information; And
One weight circuit, couples this sharpness judgment means, device for dynamically detecting and this saturation judgment means, carries out weight calculation determine this emphasis degree of depth according to this first, second and third keynote message.
2. three-dimensional process circuit as claimed in claim 1, also comprises:
One deferred mount, couples this superposition device, and this original 3-dimensional image, after a delay, then is offered to this superposition device.
3. three-dimensional process circuit as claimed in claim 1, wherein this OSD determination device also comprises:
One OSD depth calculation device, couples this image analysing computer device, according to this emphasis degree of depth, determines an OSD degree of depth; And
One OSD image calculation device, couples this OSD depth calculation device, and according to the form of this OSD degree of depth and this original 3-dimensional image, this has the OSD of the degree of depth to calculate generation.
4. three-dimensional process circuit as claimed in claim 1, wherein this OSD is captions.
5. three-dimensional process circuit as claimed in claim 1, wherein this OSD is translucent.
6. three-dimensional process circuit as claimed in claim 1, to be wherein arranged at this keynote message peripheral for this OSD.
7. three-dimensional process circuit as claimed in claim 3, wherein this OSD depth calculation device is arranged on this OSD degree of depth according to this emphasis degree of depth the place ahead, leading edge or the centre of this emphasis degree of depth.
8. a 3-dimensional image processing method, in order to process an original 3-dimensional image to produce a 3-dimensional image, the method includes the steps of:
Receive an original 3-dimensional image;
Analyze this original 3-dimensional image, obtain the keynote message of this original 3-dimensional image, and export an emphasis degree of depth according to this keynote message;
According to this emphasis degree of depth, determine an OSD position, produce according to this OSD with the degree of depth; And
This original 3-dimensional image of superposition and this have the OSD of the degree of depth, produce this 3-dimensional image,
Wherein, this analyzes this original 3-dimensional image, obtains the keynote message of this original 3-dimensional image, and comprises according to the step that this keynote message is exported an emphasis degree of depth:
Detect the highest region of sharpness in this original 3-dimensional image, to produce one first keynote message;
Detect in this original 3-dimensional image, a stationary objects relative with the picture background of fast moving or a main mobile object, to produce one second keynote message;
Detect the highest region of saturation in this original 3-dimensional image, to produce a triple point information; And
According to this first, second and third keynote message, carry out weight calculation and determine this emphasis degree of depth.
9. method as claimed in claim 8, wherein this original 3-dimensional image of this superposition and the step with the OSD of the degree of depth also comprise this original 3-dimensional image after a delay, have the OSD superposition of the degree of depth with this.
10. method as claimed in claim 8, wherein this determines an OSD position according to this emphasis degree of depth, produces according to this step with the OSD of the degree of depth and comprises:
According to this emphasis degree of depth, determine an OSD degree of depth; And
According to the form of this OSD degree of depth and this original 3-dimensional image, this has the OSD of the degree of depth to calculate generation.
11. methods as claimed in claim 8, wherein this OSD is captions.
12. methods as claimed in claim 10, wherein this determines that according to this emphasis degree of depth the step of an OSD degree of depth comprises the place ahead, leading edge or the centre that this OSD degree of depth is arranged on to this 3-dimensional image emphasis.
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| CN1174473A (en) * | 1996-08-05 | 1998-02-25 | 松下电器产业株式会社 | Image mixing circuit |
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