CN102281450A - 3D (Three-Dimensional) video definition regulating system and method - Google Patents
3D (Three-Dimensional) video definition regulating system and method Download PDFInfo
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Abstract
The invention relates to a 3D (Three-Dimensional) video definition regulating system and method. The method comprises the following steps of: A, separating a left eye image from a right eye image according to a format of a 3D image input to a 3D video; B, respectively zooming the separated left and the separated right eye images; C, respectively regulating definition of the zoomed left eye image and the zoomed right eye image; and D, outputting the left eye image and the right eye image subjected to the definition regulation according to a specified field frequency. According to the method, the problem of image ghosting caused when the definition of an interweaving-output 3D video signal is regulated in the prior art can be better solved, so that the definition of a horizontal interweaving-output 3D image can be effectively increased and a ghost image generated due to definition increased can not be caused.
Description
Technical field
The invention belongs to the 3D TV technology, relate in particular to 3D video definition Adjustment System and method.
Background technology
The principle of 3D imaging is that the content that right and left eyes is arrived soon is different, and such two eyes have just had parallax, because parallax will form the illusion of a solid in people's brain.As shown in Figure 1, provide left-eye image and eye image respectively by 3D equipment, what user's left eye eyeball was seen is the image of corresponding left eye eyeball, and what right eye was seen is the image of corresponding right eye eyeball, has so just formed stereo-picture in user's brain.If also seen the eye image signal this moment when left eye is seen left-eye image, also seen the left-eye image signal when perhaps right eye is seen eye image, will form the ghost image of image like this in people's brain, we are crosstalk (Crosstalk) at this phenomenon.
The purpose that image definition is resetted is to strengthen the edge and the profile of scenery in the image, and inoperative to other positions of image, or does not change the characteristics of image at other positions.For picture signal, the frequency content of the edge profile of image can be strengthened these frequency contents when doing the image definition readjustment than higher than higher zone.Usually when realizing this function, we reset the definition of image and are divided into the vector of 3 directions, and the firstth, the definition of the image of horizontal direction is resetted; The secondth, the definition of the image of vertical direction is resetted; The 3rd is the definition readjustment of the image of oblique line directions.
When the 3D rendering after synthetic is carried out the definition adjustment, at the regional left eye signal that parallax is arranged and right eye signal in the frequency content of vertical direction than higher, TV will be the disconnected definition of this zone erroneous judgement to need to reset like this, so when doing the definition readjustment, can strengthen this regional signal, thereby cause these edges that anaglyph is arranged to have serious ghost image.The concrete reason that produces ghost image be because: we are generally interleaved signal by the 3D signal of output, that is to say and comprise delegation's left-eye image signal and delegation's eye image signal in the field signal, after the right and left eyes signal becomes interleaved signal, the edge of image has a parallax, if method with traditional definition readjustment, can think the zone of this parallax by mistake to be to carry out the zone that definition is resetted, cause ghost image.
Summary of the invention
The object of the present invention is to provide a kind of 3D video definition Adjustment System and method,, can cause the problem of image ghost image, make the more clear and picture of 3D picture not have ghost image to overcome prior art when adjusting interweaves the definition of 3D vision signal of output.
Technical scheme provided by the invention is:
A kind of 3D video definition Adjustment System comprises:
3D video L/R separative element is used to obtain the 3D video, and according to the form of 3D rendering in the 3D video left-eye image and eye image is separated;
The image zoom unit is used for that the isolated right and left eyes image of 3D video L/R separative element is carried out convergent-divergent respectively and handles;
The definition adjustment unit is used to adjust the definition through the right and left eyes image behind the image zoom unit convergent-divergent.
Described 3D video definition Adjustment System, it also comprises 3D video input unit, is used to 3D video L/R separative element that 3D is provided vision signal.
Described 3D video definition Adjustment System, it also comprises processor, is used to the 3D rendering form of judging that 3D video L/R separative element obtains, controls the multiplication factor of described image zoom unit according to the 3D rendering form.
Described 3D video definition Adjustment System, it also comprises remote control unit, is used to receive guidance command and gives processor.
Described 3D video definition Adjustment System, it also comprises the motion compensation control unit, is used for the adjusted right and left eyes image of continuous definition is carried out motion compensation process, obtains new right and left eyes picture frame
Described 3D video definition Adjustment System, it also comprises output control unit, is used to export the 3D rendering of adjusting through definition, described output control unit also is used for the field frequency according to the field frequency control output image signal of externally connected with display screen.
Described 3D video definition Adjustment System, it also comprises memory cell, is used to store the view data of 3D video L/R separative element, image zoom unit, definition adjustment unit and the output of motion compensation control unit.
Described 3D video definition Adjustment System, it also comprises storage control unit, is used to coordinate the view data read-write to memory cell of image zoom unit, definition adjustment unit and motion compensation control unit.
A kind of 3D video definition method of adjustment may further comprise the steps:
A. according to the form of 3D rendering in the input 3D video with the right and left eyes separation of images;
B. respectively isolated right and left eyes image being carried out convergent-divergent handles;
C. respectively the right and left eyes image behind the convergent-divergent is carried out the definition adjustment;
D. field frequency is according to the rules exported the adjusted right and left eyes image of definition.
Described 3D video definition method of adjustment wherein, also comprises between described step C and D: step e. respectively the adjusted right and left eyes image of definition is carried out motion compensation process.
By said system and method, can solve the image ghost image problem that prior art causes well when adjusting interweaves the definition of 3D vision signal of output, the level that makes interweave output 3D rendering both can effectively promote clearness, can not produce ghost image again because of promoting clearness.
Description of drawings
Fig. 1 is known 3D imaging schematic diagram;
Fig. 2 is the structured flowchart of 3D video definition Adjustment System better embodiment of the present invention;
Fig. 3 is the flow chart of 3D video definition method of adjustment better embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention overcomes the deficiencies in the prior art, the 3D video of the output that interweaves is being carried out definition when promoting, earlier with the right and left eyes separation of images, respectively the definition of right and left eyes image is promoted again, so both can improve the definition of 3D picture, can eliminate simultaneously because the right and left eyes image carries out the picture ghost image problem that the definition adjustment causes when not separating.
With reference to figure 2, the better embodiment of 3D video definition Adjustment System of the present invention comprises: 3D video input unit 11,3D video L/R separative element 12, memory cell 13, output control unit 14, storage control unit 15, image zoom unit 16, motion compensation control unit 17, processor 18, remote control unit 19 and definition adjustment unit 20.
It is the 3D video that described 3D video input unit 11 is used to import 3D sheet source signal, the characteristics of described 3D video are to be divided into left eye signal and right eye signal, sort signal might be left eye signal delegation of a delegation right eye signal, also possible right eye signal of a left eye signal, in the also possible field signal, upper half part is the left eye signal, and the lower portion is the left eye signal, perhaps left side part is the left eye signal, and right-hand part part is the right eye signal.Certainly the form of 3D video just above these, also might be other form, the 3D vision signal of these forms is input to 3D video L/R separative element 12 from 3D video input unit 11.
The function of described 3D video L/R separative element 12 is that the 3D vision signal of input is caught, and the right and left eyes picture signal is separated, and obtains the zones of different that also there are memory cell 13 respectively in left-eye image L and eye image R.
Described image zoom unit 16 is used for to the size of input picture by the system requirements processing that zooms in or out, for example the left-eye image L of two continuous frames is carried out processing and amplifying and obtain L1 and L2, the eye image R of two continuous frames is carried out processing and amplifying obtain R1 and R2.
Described definition adjustment unit 20 is used for adjusting the definition through the right and left eyes image behind image zoom unit 16 convergent-divergents, here owing to being the right and left eyes image to be carried out the definition adjustment separately handle, so can adjust processing (horizontal direction, vertical direction, oblique line directions) to the definition of all directions.In embodiments of the present invention, 20 definition to horizontal direction of described definition adjustment unit are adjusted, and the parameter of definition adjustment is open regulates to the user, the user can send guidance command to described remote control unit 19 by remote controller, regulates this parameter according to the hobby of oneself.
Described motion compensation control unit 17 is used for motion image signal is compensated processing, make image when low field frequency changes to high field frequency, be unlikely to occur bad phenomenon such as the discontinuous and hangover of picture, 17 pairs of described motion compensation control units are stored in L1 and the L2 comparison operation in the memory cell 13, draw motion vector, result of calculation existed obtain a new frame L12 in the memory cell 13, the order of this frame is between L1 and L2, in like manner obtain a new frame R12, the order of this frame is between R1 and R2.
Described memory cell 13 be used for storing the view data of input image data, intermediate treatment and handle after view data to be exported, promptly store the view data of 3D video L/R separative element 12, image zoom unit 16, motion compensation control unit 17 and 20 outputs of definition adjustment unit.
Described storage control unit 15 is used for the read-write of control store unit 13, each unit carries out all need could carrying out in an orderly manner under the coordination of storage control unit 15 when data write and read to memory cell 13 in the system, to avoid the conflict that reads and writes data of image zoom unit 16, motion compensation control unit 17 and definition adjustment unit 20.
Described processor 18 is used for judging the video format of input, control the multiplication factor of described image zoom unit according to the 3D rendering form, and coordinate the work of 3D video L/R separative element 12, image zoom unit 16, motion compensation control unit 17 and definition adjustment unit 20.
Described remote control unit 19 is used for receiving the guidance command of extraneous transmission to processor 18.
Described output control unit 14 is used for according to the Characteristics Control output signal of display screen, what for example described output control unit 14 connected is the 3D display screen of timesharing, output control unit 14 control chart picture signals are output as a frame left eye signal so, a frame left eye signal again, a frame left eye signal then, a frame right eye signal, output so successively again; If display screen is a polarization 3D display screen, output control unit 14 control chart picture signals are output as delegation's left eye signal so, again delegation's right eye signal, output so successively.
With reference to figure 3, the concrete handling process of above-mentioned 3D video definition Adjustment System is as follows:
Step S1,3D video input unit 11 input 3D vision signals;
Step S2, processor 18 are judged the form of input signal, and for example form 1 is that left eye delegation of delegation right eye, form 2 are second right eyes of first left eye etc., until form n.
There are the right and left eyes view data of input respectively in step S3, the format character of judging according to processor 18 two zoness of different of memory cell 13;
Step S4, respectively the right and left eyes image that is stored in memory cell 13 is carried out convergent-divergent and handle, the right and left eyes image information that generates after convergent-divergent is handled also is stored in the memory cell 13;
Step S5, the right and left eyes image that is stored in memory cell 13 after convergent-divergent is handled respectively carry out the definition adjustment, and the adjusted right and left eyes image information of definition is stored in the memory cell 13;
Step S6, respectively the right and left eyes image information that is stored in memory cell 13 after the definition adjustment is carried out motion compensation calculations and handle, obtain a new frame right and left eyes image and be stored in the memory cell 13;
Step S7, according to the type of display screen, the right and left eyes image after handling is sent to display screen by the characteristic of display screen shows.
In above-mentioned steps S6, image is carried out after motion compensation calculations handles, in step S7, pass through to regulate the order of output map picture frame, just can reach the effect of output frequency multiplication, for example: for each half picture signal about the two continuous frames of the 30Hz of input, by obtaining left-eye image frame L1, L12, L2 and eye image frame R1, R12, R2 behind the step S2 to S6 respectively, if this moment is output image L1, R1, L12, R12, L2, R2 successively, can make the picture signal frequency multiplication of output reach 120Hz.Certainly, if do not carry out frequency multiplication output, after step S5 carries out the definition adjustment to image, also can directly enter step S7 so and carry out image output with original frequency.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. 3D video definition Adjustment System comprises:
3D video L/R separative element is used to obtain the 3D video, and according to the form of 3D rendering in the 3D video left-eye image and eye image is separated;
The image zoom unit is used for that the isolated right and left eyes image of 3D video L/R separative element is carried out convergent-divergent respectively and handles;
The definition adjustment unit is used to adjust the definition through the right and left eyes image behind the image zoom unit convergent-divergent.
2. 3D video definition Adjustment System according to claim 1, it also comprises 3D video input unit, is used to 3D video L/R separative element that 3D is provided vision signal.
3. 3D video definition Adjustment System according to claim 1, it also comprises processor, is used to the 3D rendering form of judging that 3D video L/R separative element obtains, controls the multiplication factor of described image zoom unit according to the 3D rendering form.
4. 3D video definition Adjustment System according to claim 3, it also comprises remote control unit, is used to receive guidance command and gives processor.
5. 3D video definition Adjustment System according to claim 1, it also comprises the motion compensation control unit, is used for the adjusted right and left eyes image of continuous definition is carried out motion compensation process, obtains new right and left eyes picture frame
6. 3D video definition Adjustment System according to claim 5, it also comprises output control unit, be used to export the 3D rendering of adjusting through definition, described output control unit also is used for the field frequency according to the field frequency control output image signal of externally connected with display screen.
7. 3D video definition Adjustment System according to claim 5, it also comprises memory cell, is used to store the view data of 3D video L/R separative element, image zoom unit, definition adjustment unit and the output of motion compensation control unit.
8. 3D video definition Adjustment System according to claim 7, it also comprises storage control unit, is used to coordinate the view data read-write to memory cell of image zoom unit, definition adjustment unit and motion compensation control unit.
9. 3D video definition method of adjustment may further comprise the steps:
A. according to the form of 3D rendering in the input 3D video with the right and left eyes separation of images;
B. respectively isolated right and left eyes image being carried out convergent-divergent handles;
C. respectively the right and left eyes image behind the convergent-divergent is carried out the definition adjustment;
D. field frequency is according to the rules exported the adjusted right and left eyes image of definition.
10. 3D video definition method of adjustment according to claim 9 is characterized in that: also comprise between described step C and D: step e. respectively the adjusted right and left eyes image of definition is carried out motion compensation process.
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