CN102685517A - Device, method and system for converting 2D image to 3D image - Google Patents
Device, method and system for converting 2D image to 3D image Download PDFInfo
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- CN102685517A CN102685517A CN2011100563243A CN201110056324A CN102685517A CN 102685517 A CN102685517 A CN 102685517A CN 2011100563243 A CN2011100563243 A CN 2011100563243A CN 201110056324 A CN201110056324 A CN 201110056324A CN 102685517 A CN102685517 A CN 102685517A
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Abstract
The invention provides a device, method and system for converting a 2D image to a 3D image. The device comprises an input interface unit, an image processing unit and an output interface unit, wherein the input interface unit is used for inputting a 2D image media stream; the image processing unit is used for selecting a 2D image from the 2D image media stream, wherein the 2D image comprises an image adjusted region and an unadjusted image region, caching the 2D image for a first (preset number)th clock fragment, determining the image adjusted region in the 2D image within each clock fragment, selecting a second (preset number)th pixel, figuring out a delay time, adjusting parallax depth between pixels in the image adjusted region according to the delay time, and integrating the image adjusted region and the unadjusted image region together to form a corresponding 3D image after the first (preset number)th clock fragment; and the output interface unit is used for outputting a 3D image media stream corresponding to the 3D image.
Description
Technical field
The present invention relates to TV tech, be meant that especially a kind of 2D of realization image changes device, the method and system of 3D rendering.
Background technology
Along with the development of TV tech, products such as 3D display, 3D TV just progressively get into the visual field of users at home and abroad, and when production firm popularized the 3D product, the most deficient fact of 3D content was not allowed to avoid.The total amount of 3D programme content in the video movie and television contents is no more than 1% on the domestic market, even if the content of brand-new making, in a short time 3D form programme content also be difficult to rise to more than 10%.
In the prior art; For 3D form programme content is provided, adopt two buffer memory (Buffer) buffer memory two width of cloth images usually: a sub-picture supplies left eye to watch, and another width of cloth image supplies eye viewing; According to display mode that two width of cloth images are synthetic then, output to UDI (FrameBuffer) at last.And said process need rely on the CPU and the memory source of computer and realize.
The inventor finds that there is following problem in prior art: the employing prior art takies CPU and memory source is too many, and existing two Buffer dual image schemes generally need 2 and the sizable memory source of display resolution and a FameBuffer; When playing HD video, at first to accomplish this task of high definition decoding, meanwhile also to carry out 2D and change the 3D processing.So complex processing process and a large amount of calculating will certainly have influence on fluency and user's impression of video playback, and can only realize on computers, and can't be transplanted on the equipment such as high definition player and STB.
Summary of the invention
The technical problem that the present invention will solve provides device, the method and system that a kind of 2D of realization image changes 3D rendering; Be used for solving prior art; With common 2D image transitions is in the process of 3D rendering; Need through complex processing process and a large amount of calculating, cause having influence on the fluency of video playback and the defective of user's impression.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of 2D of realization image to change the device of 3D rendering, comprising: input interface unit is used to import 2D image media stream; Graphics processing unit is used for choosing a 2D image at 2D image media stream, and said 2D image comprises the image adjustment region and do not adjust image-region; With said 2D image buffer storage first predetermined number clock fragment; In each clock fragment, in said 2D image, confirm the image adjustment region; From said image adjustment region, select second predetermined number pixel and calculate corresponding time of delay, according to adjusting the parallax degree of depth between pixel in the said image adjustment region said time of delay; After said first predetermined number clock fragment, with said image adjustment region with do not adjust image-region and combine and form corresponding 3D rendering; The output interface unit is used to export the corresponding 3D rendering Media Stream of said 3D rendering.
In the described device, said graphics processing unit comprises: image is intercepted and captured module, be used for intercepting and capturing a 2D image at 2D image media stream, and with this 2D image buffer storage first predetermined number clock fragment.
In the described device; Said graphics processing unit also comprises: the first image line processing module; During odd-numbered line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this odd-numbered line view data is postponed to handle; The first initial delay radix setting module; Be used for before said odd-numbered line view data being postponed processing; Set a maximum number clock fragment that said odd-numbered line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number.
In the described device; Said graphics processing unit comprises: the second image line processing module; During even number line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this even number line view data is postponed to handle; The second initial delay radix setting module; Be used for before said even number line view data being postponed processing; Set a maximum number clock fragment that said even number line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number.
In the described device, also comprise: the image sets adjustment unit, be used at said 2D image, the row of the 3rd predetermined number is divided into one group; Notify said graphics processing unit to confirm that for each group the first different predetermined numbers is to realize the different parallax degree of depth.
A kind of 2D image of realizing changes the method for 3D rendering, comprising: input 2D image media stream; In 2D image media stream, choose a 2D image, said 2D image comprises the image adjustment region and does not adjust image-region; With said 2D image buffer storage first predetermined number clock fragment; In each clock fragment, in said 2D image, confirm the image adjustment region; From said image adjustment region, select second predetermined number pixel and calculate corresponding time of delay, according to adjusting the parallax degree of depth between pixel in the said image adjustment region said time of delay; After said first predetermined number clock fragment, with said image adjustment region with do not adjust image-region and combine and form corresponding 3D rendering; Export the corresponding 3D rendering Media Stream of said 3D rendering.
In the described method; When selected said image adjustment region is the odd-numbered line view data in the said 2D image; Set a maximum number clock fragment that said odd-numbered line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number; In each clock fragment, this odd-numbered line view data is postponed to handle.
In the described method; When selected said image adjustment region is the even number line view data in the said 2D image; Set a maximum number clock fragment that said even number line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number; In each clock fragment, this even number line view data is postponed to handle.
A kind of 2D image of realizing changes the system of 3D rendering, comprising: input interface unit is used to import 2D image media stream; Graphics processing unit is used for choosing a 2D image successively at 2D image media stream, and said 2D image comprises the image adjustment region and do not adjust image-region; With said 2D image buffer storage first predetermined number clock fragment; In each clock fragment, in said 2D image, confirm the image adjustment region; From said image adjustment region, select second predetermined number pixel and calculate corresponding time of delay, according to adjusting the parallax degree of depth between pixel in the said image adjustment region said time of delay; After said first predetermined number clock fragment, with said image adjustment region with do not adjust image-region and combine and form corresponding 3D rendering; The output interface unit is used to export the corresponding 3D rendering Media Stream of said 3D rendering; Receiving equipment is used to import said 3D rendering Media Stream and demonstration.
In the described system, also comprise: image is intercepted and captured module, be used for intercepting and capturing a 2D image at 2D image media stream, and with this 2D image buffer storage first predetermined number clock fragment; Said graphics processing unit also comprises: when the first image line processing module, odd-numbered line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this odd-numbered line view data is postponed to handle; The first initial delay radix setting module; Be used for before said odd-numbered line view data being postponed processing; Set a maximum number clock fragment that said odd-numbered line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number; When the second image line processing module, even number line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this even number line view data is postponed to handle; The second initial delay radix setting module; Be used for before said even number line view data being postponed processing; Set a maximum number clock fragment that said even number line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number.
The beneficial effect of technique scheme of the present invention is following: the internal memory Buffer that need not store a plurality of images and a plurality of resolution sizes; Saved software and hardware resources; Transfer process is simply quick; Solved the limited problem of big data code flow video playback, can be applied in computer, get player clear, in STB and the TV tech.
Description of drawings
Fig. 1 is the apparatus structure sketch map one that embodiment of the invention 2D image changes 3D rendering;
Fig. 2 is the apparatus structure sketch map two that embodiment of the invention 2D image changes 3D rendering;
Fig. 3 is the operation principle sketch map of 3D rendering with the 2D image transitions for the embodiment of the invention;
Fig. 4 changes the method flow sketch map of 3D rendering for the embodiment of the invention realizes the 2D image;
Fig. 5 changes the system schematic one of 3D rendering for the embodiment of the invention realizes the 2D image;
Fig. 6 changes the system schematic two of 3D rendering for the embodiment of the invention realizes the 2D image.
Embodiment
For technical problem, technical scheme and advantage that the present invention will be solved is clearer, will combine accompanying drawing and specific embodiment to be described in detail below.
The 2D image is an X-Y scheme, and (3d three-dimensional) then is 3-D graphic to 3D rendering.Showing on the screen of the high definition television machine of distinct device-for example that the 3d figure is meant in a physical plane shows 3-D graphic, this with real world in real three-dimensional body different, the object of the 3-D graphic in the screen is that look the same real world.It is exactly when watching object that eyes have a characteristic, can form third dimension owing to nearly far away little principle.Screen is a planar, why can enjoy just like the 3-D view as the material object, is because the difference of color gray scale and make eyes produce visual illusion when being presented on the screen, thereby the screen of two dimension is perceived as 3-D view.
The device that the embodiment of the invention provides a kind of 2D of realization image to change 3D rendering, as shown in Figure 1, comprising:
After said first predetermined number clock fragment, with said image adjustment region with do not adjust image-region and combine and form corresponding 3D rendering;
Use the technical scheme that is provided; Need not store the internal memory Buffer of a plurality of images and a plurality of resolution sizes; Saved software and hardware resources; Transfer process is simply quick, has solved the limited problem of big data code flow video playback, can be applied in computer, gets player clear, in STB and the TV tech.
In the technical scheme that is provided, graphics processing unit 102 comprises:
Image is intercepted and captured module, is used for intercepting and capturing a 2D image at 2D image media stream, and with this 2D image buffer storage first predetermined number clock fragment; Wherein, said first predetermined number adopts empirical value.
When the first image line processing module, odd-numbered line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this odd-numbered line view data is postponed to handle;
The first initial delay radix setting module was used for before this odd-numbered line view data being postponed handle, and set maximum that said odd-numbered line view data can postpone as the initial delay radix.
And,
When the second image line processing module, even number line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this even number line view data is postponed to handle;
The second initial delay radix setting module was used for before this even number line view data being postponed handle, and set maximum that said even number line view data can postpone as the initial delay radix.
Also comprise in the device: the image sets adjustment unit, be used at said 2D image, the row of the 3rd predetermined number is divided into one group; Notify said graphics processing unit 102 to confirm that for each group the first different predetermined numbers is to realize the different parallax degree of depth.
As shown in Figure 2, graphics processing unit 102 can comprise: conversion selected cell 1021, polarization mode unit 1022 and red blue pattern unit 1023.Wherein, conversion selected cell 1021 is used between different mode units, realizing selecting, and different said mode units adopts different techniques or algorithm to realize with the 2D image transitions being 3D rendering respectively.
Red blue pattern unit 1023 is used to adopt first filter that the first corresponding light wave of said 2D image is filtered, and second filter filters the second corresponding light wave of said 2D image; Second light wave after first light wave after the filtration and the filtration is integrated into said 3D rendering.
Wherein, polarization mode unit 1022 comprises:
Image is intercepted and captured module, is used for intercepting and capturing a 2D image at 2D image media stream, and with this 2D image buffer storage first predetermined number clock fragment;
The image line processing module; Be used for when the image adjustment region at second a selected predetermined number pixel place is specially odd-numbered line view data of said 2D image; In each clock fragment, this odd-numbered line view data is handled according to the shear wave propagation principle; And,
The image integration module is used for adjusted said odd-numbered line view data and unadjusted even number line view data are integrated the said 3D rendering of back formation.
Realizing that the 2D image changes in the device of 3D rendering, also comprises:
Interface conversion unit is used for when being connected with said input interface unit 101, is the 2D image media stream that said input interface unit 101 can be discerned with the data transaction of different-format; When being connected, be that said receiving equipment can recognition data with said 3D rendering media stream transition with said output interface unit 103 and receiving equipment.
The image sets adjustment unit is used at said 2D image, and the row of the 3rd predetermined number is divided into one group; For each group, notify the parallax degree of depth of said graphics processing unit adjustment different.
How using different mode unit realization technical schemes for helping the technical staff to understand, be without loss of generality, is that the example description is the process of 3D rendering with the 2D image transitions with polarization mode unit 1022, as shown in Figure 3, comprising:
If even number line delay parameter m0=M0, odd-numbered line delay parameter m1=M1.
The row pixel counter X zero clearing that resets.
Concrete can judge for the line number Arr of current handled 2D image, if reach 1080 expressions current 2D image processing is finished.
Step 307 judges whether current handled row is even number line, if change step 308, otherwise changes step 309.
Step 308 is provided with m=m0 time of delay, and wherein, m0 is current time of delay of even number line.Directly change step 312.
Step 309 is handled the data of odd-numbered line, need judge at first whether the scanning to present group finishes, if finish to change step 310, otherwise changes step 311.
Step 310 is carried out odd-numbered line m1=m1+1, changes step 312.
Step 311 is carried out odd-numbered line m1=m1.
Step 312 generates the 3D rendering data by the RGB data behind m clock of delay, and commentaries on classics step 313 and while be commentaries on classics step 314 directly.
Image processing wherein comprises: the even number line view data is appointed as current RGB data; The odd-numbered line view data is by the RGB data generation that postpones after m the clock fragment.That is, according to m the clock fragment of setting, the view data at least one odd-numbered line in each clock fragment therein postpones to handle; Particularly; With the said image adjustment region of odd-numbered line view data as the wait adjustment; In the odd-numbered line view data, select said second predetermined number pixel and calculate corresponding time of delay, according to adjusting the parallax degree of depth between pixel in the said image adjustment region said time of delay.
Row pixel counter X adds 1.
Step 313 judges that whether current line scanning output finishes, if change step 306, otherwise changes step 312.
Step 314 generates the 3D rendering data by the RGB data behind m clock of delay.
2D image media stream in the transmission is Streaming Media, as the current in the water pipe; This 2D image media stream is intercepted and captured the back it is carried out data acquisition, and, comprising through integrating after the 3D processing:
(1), intercepts and captures after the 2D image media stream, leave it in latch m clock fragment of delay.
(2), in the data acquisition, according to carrying out the delay of a fixed number clock fragment, this delay is used to regulate the side-play amount of image display position on whole screen for the even number of lines that collects.Preferably, this number can select 56.
(3), in the data acquisition, the odd-numbered line view data that collects is handled, in each clock fragment, selected second predetermined number pixel.Preferably second predetermined number is M0=88.
(4),, adopt polarization mode to handle, adjust the parallax degree of depth between this odd-numbered line image and the peripheral even number line image current odd-numbered line view data.
Corresponding, the method that the embodiment of the invention provides a kind of 2D of realization image to change 3D rendering, as shown in Figure 4, comprising:
Step 401, input 2D image media stream;
Step 402 is chosen a 2D image in 2D image media stream; With said 2D image buffer storage first predetermined number clock fragment, in each clock fragment in said 2D image selected second predetermined number pixel, adjust the parallax degree of depth of the pixel of the image adjustment region that said second predetermined number pixel belongs to;
Step 403 after said first predetermined number clock fragment, combines the corresponding 3D rendering of formation with accomplishing adjusted image adjustment region with unadjusted image-region;
Step 404 is exported the corresponding 3D rendering Media Stream of said 3D rendering.
Use the technical scheme that is provided; Need not store the internal memory Buffer of a plurality of images and a plurality of resolution sizes, save software and hardware resources, transfer process is simply quick; Solved the limited problem of big data code flow video playback, can be applied in computer and the TV tech.
In the method, also comprise after the input 2D image media stream: selecting different patterns to realize the 2D image transitions is 3D rendering; Said pattern comprises:
According to the shear wave propagation principle said 2D image being carried out polarization conversion is said 3D rendering;
Perhaps, adopt first filter that the first corresponding light wave of said 2D image is filtered, second filter filters the second corresponding light wave of said 2D image; Second light wave after first light wave after the filtration and the filtration is integrated into said 3D rendering.
And, saidly in 2D image media stream, choose a 2D image successively; With said 2D image buffer storage first predetermined number clock fragment; In each clock fragment, in said 2D image, select second predetermined number pixel; Adjust the parallax degree of depth of pixel of the image adjustment region at said second predetermined number pixel place, be specially:
In 2D image media stream, intercept and capture a 2D image, and with this 2D image buffer storage first predetermined number clock fragment;
When the image adjustment region at second a selected predetermined number pixel place is specially odd-numbered line view data in the said 2D image, in each clock fragment, this odd-numbered line view data is carried out polarization according to the shear wave propagation principle;
Adjusted said odd-numbered line view data and unadjusted even number line view data are integrated the said 3D rendering of back formation.
Corresponding, the system that the embodiment of the invention provides a kind of 2D of realization image to change 3D rendering, as shown in Figure 5, comprising:
After said first predetermined number clock fragment, combine the corresponding 3D rendering of formation with unadjusted image-region with accomplishing adjusted image adjustment region;
Receive display device 501, be used to import said 3D rendering Media Stream and demonstration.
The graphics processing unit 102 that is arranged in system comprises:
Image is intercepted and captured module, is used for intercepting and capturing a 2D image at 2D image media stream, and with this 2D image buffer storage first predetermined number clock fragment;
The image line processing module; Be used for when the image adjustment region at second a selected predetermined number pixel place is specially odd-numbered line view data of said 2D image; In each clock fragment, this odd-numbered line view data is carried out polarization according to the shear wave propagation principle;
The image integration module is used for adjusted said odd-numbered line view data and unadjusted even number line view data are integrated the said 3D rendering of back formation.
As shown in Figure 6, increase a 2D commentaries on classics 3D device at picture output device and 501 of reception display devices, the data that HDMI is imported into regenerate the data with behavior unit with the 3D algorithm, convert the 3D data in real time to and export in real time to show.This 2D changes the 3D device and can adopt HDMI as the input and output interface, and specifically adopts a fpga chip to realize.Adopt this programme not need the internal memory Buffer of storage frame image and a plurality of resolution sizes, thereby saved software and hardware resources, and handling process is simply quick, has solved the limited problem of big code stream video playback; Not only can realize computer output image 3Dization, the TV programme that can also watch the 3D video display and watch 3D through STB through common high definition player have better realized 3D effect.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle according to the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. realize that the 2D image changes the device of 3D rendering for one kind, it is characterized in that, comprising:
Input interface unit is used to import 2D image media stream;
Graphics processing unit is used for choosing a 2D image at 2D image media stream, and said 2D image comprises the image adjustment region and do not adjust image-region; With said 2D image buffer storage first predetermined number clock fragment; In each clock fragment, in said 2D image, confirm the image adjustment region; From said image adjustment region, select second predetermined number pixel and calculate corresponding time of delay, according to adjusting the parallax degree of depth between pixel in the said image adjustment region said time of delay;
After said first predetermined number clock fragment, with said image adjustment region with do not adjust image-region and combine and form corresponding 3D rendering;
The output interface unit is used to export the corresponding 3D rendering Media Stream of said 3D rendering.
2. device according to claim 1 is characterized in that, said graphics processing unit comprises:
Image is intercepted and captured module, is used for intercepting and capturing a 2D image at 2D image media stream, and with this 2D image buffer storage first predetermined number clock fragment.
3. device according to claim 1 is characterized in that, said graphics processing unit also comprises:
When the first image line processing module, odd-numbered line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this odd-numbered line view data is postponed to handle;
The first initial delay radix setting module; Be used for before said odd-numbered line view data being postponed processing; Set a maximum number clock fragment that said odd-numbered line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number.
4. device according to claim 1 is characterized in that, said graphics processing unit comprises:
When the second image line processing module, even number line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this even number line view data is postponed to handle;
The second initial delay radix setting module; Be used for before said even number line view data being postponed processing; Set a maximum number clock fragment that said even number line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number.
5. device according to claim 1 is characterized in that, also comprises:
The image sets adjustment unit is used at said 2D image, and the row of the 3rd predetermined number is divided into one group; Notify said graphics processing unit to confirm that for each group the first different predetermined numbers is to realize the different parallax degree of depth.
6. realize that the 2D image changes the method for 3D rendering for one kind, it is characterized in that, comprising:
Input 2D image media stream;
In 2D image media stream, choose a 2D image, said 2D image comprises the image adjustment region and does not adjust image-region; With said 2D image buffer storage first predetermined number clock fragment; In each clock fragment, in said 2D image, confirm the image adjustment region; From said image adjustment region, select second predetermined number pixel and calculate corresponding time of delay, according to adjusting the parallax degree of depth between pixel in the said image adjustment region said time of delay;
After said first predetermined number clock fragment, with said image adjustment region with do not adjust image-region and combine and form corresponding 3D rendering;
Export the corresponding 3D rendering Media Stream of said 3D rendering.
7. method according to claim 6 is characterized in that,
When selected said image adjustment region is the odd-numbered line view data in the said 2D image; Set a maximum number clock fragment that said odd-numbered line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number; In each clock fragment, this odd-numbered line view data is postponed to handle.
8. method according to claim 6 is characterized in that,
When selected said image adjustment region is the even number line view data in the said 2D image; Set a maximum number clock fragment that said even number line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number; In each clock fragment, this even number line view data is postponed to handle.
9. realize that the 2D image changes the system of 3D rendering for one kind, it is characterized in that, comprising:
Input interface unit is used to import 2D image media stream;
Graphics processing unit is used for choosing a 2D image successively at 2D image media stream, and said 2D image comprises the image adjustment region and do not adjust image-region; With said 2D image buffer storage first predetermined number clock fragment; In each clock fragment, in said 2D image, confirm the image adjustment region; From said image adjustment region, select second predetermined number pixel and calculate corresponding time of delay, according to adjusting the parallax degree of depth between pixel in the said image adjustment region said time of delay;
After said first predetermined number clock fragment, with said image adjustment region with do not adjust image-region and combine and form corresponding 3D rendering;
The output interface unit is used to export the corresponding 3D rendering Media Stream of said 3D rendering;
Receiving equipment is used to import said 3D rendering Media Stream and demonstration.
10. system according to claim 9 is characterized in that, also comprises:
Image is intercepted and captured module, is used for intercepting and capturing a 2D image at 2D image media stream, and with this 2D image buffer storage first predetermined number clock fragment;
Said graphics processing unit also comprises:
When the first image line processing module, odd-numbered line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this odd-numbered line view data is postponed to handle;
The first initial delay radix setting module; Be used for before said odd-numbered line view data being postponed processing; Set a maximum number clock fragment that said odd-numbered line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number;
When the second image line processing module, even number line view data that to be used for when selected said image adjustment region be said 2D image, in each clock fragment, this even number line view data is postponed to handle;
The second initial delay radix setting module; Be used for before said even number line view data being postponed processing; Set a maximum number clock fragment that said even number line view data can postpone as the initial delay radix, and said initial delay radix is no more than said first predetermined number.
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| CN104809137A (en) * | 2014-01-28 | 2015-07-29 | 上海尚恩华科网络科技股份有限公司 | Method and system for manufacturing three-dimensional webpage of two-dimensional webpage |
| CN104809137B (en) * | 2014-01-28 | 2018-07-13 | 上海尚恩华科网络科技股份有限公司 | A kind of the three-dimensional web page production method and system of the two dimension page |
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