CN102843565B - A kind of 2D image turns the method for 3D rendering - Google Patents
A kind of 2D image turns the method for 3D rendering Download PDFInfo
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Abstract
The present invention is applicable to 3D Display Technique field, provides a kind of method that 2D image turns 3D rendering.The method comprises the steps: to provide an image processing system, and this image processing system comprises the first signal processing module and secondary signal processing module; This first signal processing module and this secondary signal processing module catch the effective coverage of same signal source simultaneously; Process the signal that this first, second signal processing module is caught respectively line by line; Interweave the signal that processes line by line through this first, second signal processing module send into display and show.The method is without the need to increasing new hardware, and utilize existing 2D TV hardware can complete 2D image and turn 3D rendering, hardware cost is low, and product development cycle is short.
Description
Technical field
The invention belongs to stereo display technique field, particularly relate to a kind of method that 2D image turns 3D rendering.
Background technology
The fast transition of 2D Display Technique to 3D Display Technique is being experienced in the development of TV tech.The supplier of increasing panel display screen is devoted to release various 3D TV screen, the polarisation Display Technique from the timesharing Display Technique of 120Hz, 240Hz right and left eyes image to 60Hz, 120Hz.Along with the production of 3D TV scale, cost also drops to the degree very nearly the same with common TV further, and 3D Display Technique also will become the standard configuration of TV.
Because 3D rendering content can be very deficient in nearest considerable time, the shooting of 3D film source is also that the aid is too slow to be helpful, and the outstanding film source of existing 2D can be found everywhere, and film source 2D film source being changed into 3D form is undoubtedly a shortcut.At present, the 2D image that Gong the 3D TV of industry research adopts turns 3D rendering algorithm huge number: have based on color science, and by highlighted for object edge ledge display, the display of dented part dimness, makes human eye produce visual illusion and form 3D effect; Also there is the depth information based on extracting image, dynamically the zones of different of 2D image being carried out the differentiation of distant view and close shot, by displacement synthesis right and left eyes image.Assess existing 2D image from aspects such as 3D effect, stability, correctness and turn 3D rendering algorithm, often kind of advantage having oneself, also has the deficiency of oneself.
Current industry is grasped producer 2D image being turned the commercialization of 3D rendering technology and is caned be counted on one's fingers, but, no matter adopt which kind of technology above-mentioned, all need, by special video frequency processing chip, 2D image is changed into 3D rendering.Cause the hardware cost of this 3D TV to increase like this, product development cycle is long.
Summary of the invention
The object of the present invention is to provide a kind of 2D image to turn the method for 3D rendering, it is high that the 2D image being intended to exist in solution prior art turns 3D rendering conversion method cost, the problem that product development cycle is long.Problem.
The present invention is achieved in that a kind of 2D image turns the method for 3D rendering, and the method comprises the following steps: provide an image processing system, and this image processing system comprises the first signal processing module and secondary signal processing module; This first signal processing module and this secondary signal processing module catch the effective coverage of same signal source simultaneously, and the effective coverage that this first signal processing module and this secondary signal processing module are caught exists parallax; Process the signal that this first, second signal processing module is caught respectively line by line; And the signal that processes line by line through this first, second signal processing module send into display and show of interweaving.
This image processing system also comprises MCU processing unit, the first signal capture module and secondary signal trapping module, and this MCU processing unit controls the effective coverage that this first, second signal capture module catches same signal source simultaneously.
This image processing system also comprises first, second prime Zoom module, and this first, second signal capture module of corresponding convergent-divergent signal of catching is to form the signal format of applicable subsequent treatment respectively.
This image processing system also comprises first, second processing module line by line, this is first years old, second line by line processing module respectively alignment processing from this first, the signal of the second prime Zoom module, using the first row of the first row of the signal of the first prime Zoom module as display screen display image, the first row of the signal of the second prime Zoom module is as the second row showing image, second row of the signal of the first prime Zoom module is as the third line showing image, second row of the signal of the second prime Zoom module is as the fourth line showing image, process is until first successively, last column of second prime Zoom module one frame image signal.
This image processing system also comprises first, second rear class Zoom module, and the signal from this first, second processing module is line by line scaled to the format-pattern of applicable display resolution display by this first, second rear class Zoom module respectively.
This image processing system also comprises Signal averaging module, utilizes this Signal averaging module by the signal interleaving of this first, second rear class Zoom module and output to display display in signal interleaving step.This signal source is progressive signal source.
This signal source is interlace signal source, catches in same signal source process in step, and what catch is the strange field signal in interlace signal source or even field signal.
2D image of the present invention turns the method for 3D rendering, utilize the first signal processing module and secondary signal processing module, corresponding effective coverage of catching same signal source respectively, and carry out prime convergent-divergent, and line by line, rear class convergent-divergent and superposition interleaving treatment, the method is without the need to increasing new hardware, utilize existing 2D TV hardware can complete 2D image and turn 3D rendering, hardware cost is low, and product development cycle is short.
Accompanying drawing explanation
Fig. 1 is that 2D image of the present invention turns 3D rendering internal signal treatment system schematic diagram;
The schematic diagram of Fig. 2 to be Fig. 1 be same information source that first, second signal capture module is caught has parallax information;
Fig. 3 is the schematic diagram that progressive signal 2D image of the present invention turns 3D rendering method;
Fig. 4 is the schematic diagram that interlace signal 2D image of the present invention turns a kind of method of 3D rendering;
Fig. 5 is the schematic diagram that interlace signal 2D image of the present invention turns 3D rendering another kind method.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is that 2D image of the present invention turns 3D rendering internal signal treatment system schematic diagram.This image processing system 1 comprises processing module 2 and display screen 3.This processing module 2 receives and processes outer video signal, and this outer video signal comprises all analog or digital vision signals that television broadcasting signal and computer, DVD, USB player etc. transmit.This display screen 3 is used for showing the signal pattern after the process of this processing module 2.
This processing module 2 comprises the first signal processing module 11, secondary signal processing module 12, Signal averaging module 13, MCU processing unit 14 and memory 15.This MCU processing unit 14 controls this first signal processing module 11 and secondary signal processing module 12 and receives signal from same outside source.This MCU processing unit 14 controls the processing module of this first signal processing module 11 and secondary signal processing module 12 inside to carry out work simultaneously.
This first signal processing module 11 comprises the first signal capture module 110, first prime Zoom module 112, first processing module 114 and the first post processing module 116 line by line.This first signal capture module 110 catches the effective coverage of the signal being input to this first signal processing module 11 under the control of this MCU processing unit 14, comprises choosing of signal capture region and position.The effective area data captured leaves in this memory 15.The signal of various resolution of this first prime Zoom module 112 to input carry out selective scaling become the resolution of a few form so that rear end first line by line processing module 114 carry out algorithm process line by line.This first rear class Zoom module 116 by this first line by line processing module 114 process after signal carry out horizontal scaling and become can mate the image of the screen resolution of this display screen 3.
Equally, this secondary signal processing module 12 comprises secondary signal trapping module 120, second prime Zoom module 122, second processing module 124 and the second rear class Zoom module 126 line by line.This secondary signal processing module 12 receives same outside source under the control of this MCU processing unit 14, this secondary signal trapping module 120 catches the effective coverage of the signal being input to this secondary signal processing module 12 under the control of this MCU processing unit 14, comprises choosing of signal capture region and position.The effective area data captured also leaves in this memory 15.The signal of various resolution of this second prime Zoom module 122 to input carry out selective scaling become the resolution of a few form so that rear end second line by line processing module 124 carry out algorithm process line by line.This second rear class Zoom module 126 by this second line by line processing module 124 process after signal carry out horizontal scaling and become can mate the image of the screen resolution of this display screen 2.
After this outside source is processed by this first signal processing module 11 and this secondary signal processing module 12 simultaneously, be input in this Signal averaging module 13 again, the secondary signal image that the first signal pattern export the first signal processing module 11 and secondary signal processing module 12 export carries out vertical direction superposition with synchronous, shows with the alternately output forming the another row of picture a line of first, second signal capture module 110,120 being caught.Wherein, the signal of this first signal processing module 11 output is as left eye image content; The signal that this secondary signal processing module 12 exports is as right eye image content.This display screen 3 shows the vision signal that this processing module 2 exports, and vertical direction Alternation Display a line converts the left-eye image content of 3D video to, and a line converts the eye image content of 3D video to.
The schematic diagram that same signal source that first, second signal capture module is caught has parallax information please refer to Fig. 2, Fig. 2.Outer video signal A entirety is caught in this memory 15 by this first trapping module 110, then reads the zones of different in the horizontal displacement in this memory 15.This outer video signal A represents the overall content of the current 2D image of this signal source, this vision signal A1 and A2 is read the effective image-region for display, be used to the effective image-region that shows can by arranging different deviant L1, L2 obtains having the image of varying level displacement.In first, second signal processing module 11,12, obtain the image with varying level displacement, can be used as left-eye image and the eye image of virtual 3D rendering respectively.
Illustrate that line by line of the present invention and interlacing 2D image turns the schematic diagram of 3D rendering method below in conjunction with concrete example.The schematic diagram that progressive signal 2D image of the present invention turns 3D rendering method please refer to Fig. 3, Fig. 3.Assuming that the resolution of this display screen 3 is 1920*1080, turn 3D rendering for the 2D image of 720P (effective resolution is for 1280*720) signal.Outside 720P signal source 101 inputs to this first, second processing module 11,12 respectively through this MCU processing unit 14 gating, this first, second processing module 11,12 catches this same signal source 101, respectively namely respectively through step 102 first passage signal capture and second channel signal capture 103 simultaneously.According to method shown in Fig. 2, this first signal processing module 11 is captured picture material and be used as left eye image content, secondary signal processing module 12 is captured picture material and is used as right eye image content, during process this first, second prime Zoom module 112,122, namely respectively through the process that step 104 first passage signal prime convergent-divergent and second channel signal prime convergent-divergent 105 process, the signal of correspondence is shortened into 1280*540 (vertical direction is the half of screen vertical resolution), this first the first row line by line in processing module 114 signal area of this first signal capture module 110 being caught is as the first row when exporting, this second line by line processing module 124 the first row of signal area that this secondary signal trapping module 120 is caught as the second row exported, this first second row line by line in processing module 114 signal area of this first signal capture module 110 being caught is as the third line when exporting, this second line by line processing module 124 the second row of signal area that this secondary signal trapping module 120 is caught as the fourth line exported, by that analogy, until exhaust all row of this first signal capture module 110 and secondary signal trapping module 120 lock-on signals respectively, i.e. step 106, the picture all over the screen of 1920*1080 is zoomed in the horizontal direction, see step 107 respectively through this first, second rear class Zoom module 116,126, can show to this display screen 3 by from the row data of the first signal processing module 11 and the row data synchronism output of secondary signal processing module 12 through this Signal averaging module 13 again.
2D image turns 3D rendering, by such as minor function (1), progressive signal is merged into the 3D picture of Alternation Display by row;
(1) MApi_VerDeinterlace_MainPipSignal (bBool bMainFirst) describes:
Signal in the first signal processing module captured in memory and the signal in secondary signal processing module are combined intertexture process line by line, final output be the signal of the sequence alternate of a line first signal processing module and secondary signal processing module, the signal of the sequence alternate of a line secondary signal processing module and the first signal processing module.
BMainFirst=TURE first signal processing module 11 and secondary signal processing module 12 picture alternately merge when exporting line by line, what the first signal processing module 11 was chosen be used for does the first row in region line by line as the first row when exporting, and the first row in secondary signal processing module 12 is as the second row exported; The second row in first signal processing module 11 is as the third line when exporting, and the second row in secondary signal processing module 12 is as the fourth line exported; By that analogy, until exhaust in the signal in first, second signal processing module 11,12 and be used for doing the row processed line by line.
BMainFirst=FALSE first signal processing module 11 and secondary signal processing module 12 picture alternately merge when exporting line by line, what secondary signal processing module 12 was chosen be used for does the first row in region line by line as the first row when exporting, and the first row in the first signal processing module 11 is as the second row exported; The second row in secondary signal processing module 12 is as the third line when exporting, and the second row in the first signal processing module 11 is as the fourth line exported; By that analogy, until exhaust in the signal in first, second signal processing module 11,12 and be used for doing the row processed line by line.
The schematic diagram that interlace signal 2D image of the present invention turns a kind of method of 3D rendering please refer to Fig. 4, Fig. 4.Assuming that the resolution of this display screen 3 is 1920*1080, turn 3D rendering for the 2D image of 576i (effective resolution is 720*288/ field) signal.Outside 576i signal with the strange field of continuous print and even field signal through this MCU processing unit 14 selected input to this first, secondary signal processing module 11, 12, this is first years old, secondary signal trapping module 110, 120 catch same signal source respectively simultaneously, be strange field signal 201 in the present embodiment, according to method shown in Fig. 2, the picture material that the first signal capture module 110 captures is used as left eye image content, the picture material that secondary signal trapping module 120 captures is used as right eye image content, namely respectively through step 202 first passage signal capture and step 203 second channel signal capture, the strange field signal 201 of this interlace signal, through prime Zoom module, will lead directly to, i.e. step 204, does not need again through the convergent-divergent process of prime, step 205, this first line by line processing module 114 using the first row in the captured region of strange field signal as export time the first row, this second line by line processing module 124 using strange field signal the first row as export the second row, this first line by line processing module 114 using the second row of strange field signal as export time the third line, this second line by line processing module 124 using the second row of strange field signal as export fourth line, by that analogy, until exhaust all row of the signal that the strange field signal of two processing modules is captured, picture all over the screen as capable in 768*576 is zoomed in the horizontal direction, i.e. step 206 respectively through first, second rear class Zoom module 116,126, the image that the row data investigation from two processing modules can be interweaved with the strange field picture line by line that to form a frame resolution be 720*576 through Signal averaging module 13 synchronism output show to screen display.
Following function (2) can be utilized to carry out conversion process 2D image being turned 3D rendering:
(2) MApi_VerDeinterlace2_MainPipSignal (bBool bMainFirst) describes:
The signal of first, second signal processing module captured in memory is combined line by line, the strange field signal that the signal of first, second signal processing module is adjacent the most at last, by becoming the image that a frame is strange field content entirely after slotting row.
BMainFirst=TURE first signal processing module 11 and secondary signal processing module 12 picture alternately merge when exporting line by line, the first row of the strange field signal 201 being used for doing in region line by line chosen in the first signal processing module 11 is as the first row when exporting, and the first row of the strange field signal 201 of secondary signal processing module 12 is as the second row exported; Second row of the strange field signal in the first signal processing module 11 is as the third line when exporting, and the second row of the strange field signal 201 in secondary signal processing module 12 is as the fourth line exported; By that analogy, until exhaust the selected row being used for doing the strange field signal processed line by line of signal in first, second signal processing module 11,12, to form a two field picture.
BMainFirst=FALSE first signal processing module 11 and secondary signal processing module 12 picture alternately merge when exporting line by line, the first row of the strange field signal 201 being used for doing in region line by line chosen in secondary signal processing module 12 is as the first row when exporting, and the first row of the strange field signal 201 of the first signal processing module 11 is as the second row exported; Second row of the strange field signal 201 in secondary signal processing module 12 is as the third line when exporting, and the second row of the strange field signal 201 in the first signal processing module 11 is as the fourth line exported; By that analogy, until exhaust the selected row being used for doing the strange field signal processed line by line of signal in first, second signal processing module 11,12, to form a two field picture.
The schematic diagram that interlace signal 2D image of the present invention turns 3D rendering another kind method please refer to Fig. 5, Fig. 5.Shown in this conversion method with Fig. 4, conversion method is substantially identical, and difference is, shown outside source is the even field signal 301 utilizing interlace signal source.Strange field signal 201 processing procedure in subsequent processes and interlace signal source is similar, does not repeat them here.
Be no matter primary signal or interlacing primary signal line by line, the signal of this first signal processing module 11 can be used as left-eye image by the method turning 3D through above-mentioned 2D, and secondary signal processing module 12 is used as eye image.Thus by 2D picture signal, interweave with exporting by this Signal averaging module 13 final again after this first, second signal processing module 11,12 treatment combination and there is the left-eye image of 3D rendering information and eye image to video screen, user can pass through polaroid glasses, make left eye only see left eye signal rows, right eye only sees the row of right eye signal.After eventually passing through brain synthesis, the image of 3D will be felt.
The method that 2D image of the present invention turns 3D rendering utilizes existing hardware resource, do not increase hardware cost, carrying out compared to using special 2D to turn 3D rendering process chip at present the method that 2D image turns 3D rendering in this respect, 5 ~ 10 dollars can be saved, shorten about 1 month product development construction cycle.
This is only preferred embodiment of the present invention above, and not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a 2D image turns the method for 3D rendering, the method comprises the following steps: provide an image processing system, this image processing system comprises the first signal processing module and secondary signal processing module, first signal processing module comprises the first signal capture module and the first prime Zoom module, and secondary signal processing module comprises secondary signal trapping module and the second prime Zoom module;
This first signal capture module and this secondary signal trapping module catch the effective coverage of same signal source simultaneously, there is parallax in the effective coverage that this first signal capture module and this secondary signal trapping module are caught, when described signal source is progressive signal source, this the first prime Zoom module and the second prime Zoom module carry out prime convergent-divergent to the progressive signal source of catching, when described signal source is interlace signal source, this first signal processing module and this secondary signal processing module are not carried out prime convergent-divergent to the interlace signal source of catching and lead directly to;
Process the signal that this first, second signal processing module is caught respectively line by line; And
Interweave the signal that processes line by line through this first, second signal processing module send into display and show.
2. 2D image according to claim 1 turns the method for 3D rendering, it is characterized in that, this image processing system also comprises MCU processing unit, and this MCU processing unit controls the effective coverage that this first, second signal capture module catches same signal source simultaneously.
3. 2D image according to claim 2 turns the method for 3D rendering, it is characterized in that, this image processing system also comprises first, second processing module line by line, this is first years old, second line by line processing module respectively alignment processing from this first, the signal of the second prime Zoom module, using the first row of the first row of the signal of the first prime Zoom module as display screen display image, the first row of the signal of the second prime Zoom module is as the second row showing image, second row of the signal of the first prime Zoom module is as the third line showing image, second row of the signal of the second prime Zoom module is as the fourth line showing image, process is until first successively, last column of second prime Zoom module one frame image signal.
4. 2D image according to claim 3 turns the method for 3D rendering, it is characterized in that, this image processing system also comprises first, second rear class Zoom module, and the signal from this first, second processing module is line by line scaled to the format-pattern of applicable display resolution display by this first, second rear class Zoom module respectively.
5. 2D image according to claim 4 turns the method for 3D rendering, it is characterized in that, this image processing system also comprises Signal averaging module, utilizes this Signal averaging module by the signal interleaving of this first, second rear class Zoom module and output to display display in signal interleaving step.
6. 2D image according to claim 1 turns the method for 3D rendering, it is characterized in that, catches in same signal source process in step, and what catch is the strange field signal in interlace signal source.
7. 2D image according to claim 1 turns the method for 3D rendering, it is characterized in that, catches in same signal source process in step, and what catch is the even field signal in interlace signal source.
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| CN102158718A (en) * | 2010-01-27 | 2011-08-17 | 联发科技股份有限公司 | Video processing apparatus and related method thereof |
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