CN102595152A - Two-dimensional to three-dimensional color compensation system and method - Google Patents
Two-dimensional to three-dimensional color compensation system and method Download PDFInfo
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Abstract
The invention discloses a color compensation method for converting two-dimensional (2D) into three-dimensional (3D), which is used for compensating a display device to perform image processing, wherein the display device is externally connected with a two-dimensional to three-dimensional converter. The method comprises the following steps: firstly, the two-dimensional to three-dimensional converter transmits at least one combined correction image to the display device for display; then, the display device carries out image processing on the combined correction image; then, detecting the difference value between the merged corrected image processed by the display device and the original merged corrected image; and finally, adjusting and combining the corrected images according to the difference values.
Description
Technical field
The present invention relates to a kind of colour compensating system, particularly relate to colour compensating system and method that a kind of two dimension (2D) is changeed three-dimensional (3D).
Background technology
In the past at flat display apparatus; Like the film of playing on the LCD TV all is two dimension (2D) image; And along with the development of 3D imaging technique, many application that present the 3D visual effect are various day by day, for example; 3D film, 3D play, the commodity product shows etc., therefore make 3-D imaging system become more actual and reach generally.
Desire to reach the 3D imaging effect,, also can change three-dimensional transducer and reach in the external two dimension of the display of general utility functions except using the three dimensional display.Please refer to Fig. 1, change the calcspar of 3-D imaging system 1 for conventional two-dimensional.Two dimension is changeed 3-D imaging system 1 and is comprised two dimension commentaries on classics three-dimensional transducer (2D-to-3DConversion Box) 13 and dark purple glasses (red/cyan glasses) or macyscope (Anaglyphglasses) 15; Its display unit 11 of arranging in pairs or groups is used like LCD TV.Two dimension is changeed three-dimensional transducer 13 and is external in display unit 11; Be used for behind the separation of all pictures (frame) in the 2D film right and left eyes image information; Remerge and be sent to display unit 11 broadcasts, specifically, two dimension is changeed three-dimensional transducer 13 and is utilized red blue optical filtering principle; All pictures in the original 2D film are removed wherein redness and blue-green pixel respectively, combine what both interlocked again.
And dark purple glasses 15 have left eyeglass 151 and right eyeglass 153, can only receive coloured light image separately respectively, and for example, left eyeglass 151 can only receive the red pixel part in the image, and right eyeglass 153 can only receive the blue-green pixel portion in the image.Therefore, when the user wears dark purple glasses 15 and watches the image that display unit 11 plays, can produce 3-D effect because of the image difference that left and right sides eyeglass receives.
Yet; Before the image that has filtered is play reaching display unit 11; The image processor of building in the display unit 11 of different vendor (Image Processor) 111 can carry out the various light modulations of making by oneself to substance film to be handled; Therefore can revise the rgb pixel value in the picture, and the colour filter picture distortion that causes left and right sides eyeglass to receive, and then make the 3D imaging effect not good.
Therefore, need the colour compensating system and the method thereof that propose a kind of novelty badly, enable to compensate the chroma distortion that image processing causes, and then improve the 3D imaging effect.
Prior art
Display unit 11
Image processor 111
Two dimension is changeed three-dimensional transducer 13
Dark purple glasses 15
Left side eyeglass 151
Right eyeglass 153
The present invention
Two dimension is changeed three-dimensional transducer 23
Dark purple glasses 25
Step S301-S317
Summary of the invention
In view of above-mentioned, one of purpose of the embodiment of the invention is to propose a kind of two dimension changes three-dimensional colour compensating system and method thereof, and it can compensate colour filter left and right sides image and carry out the chroma distortion that image processing caused through display unit, and then improves the 3D imaging effect.
The invention discloses a kind of two dimension (2D) changes the colour compensating system of three-dimensional (3D), is used for the display unit of arranging in pairs or groups.Said colour compensating system comprises two dimension three-dimensional transducer of commentaries on classics and color correction device.Two dimension is changeed three-dimensional transducer and is coupled to display unit; It transmits at least one and merges correcting image (combinedcalibration pattern) to this display unit, and wherein this merging correcting image comprises the colour filter left side image of inclined to one side first color and the right image of colour filter of inclined to one side second color.Said color correction device is used for detecting the difference value that is shown merging correcting image that apparatus processes crosses and original merging correcting image, and passback difference value to two dimension is changeed three-dimensional transducer.Wherein, the three-dimensional transducer of two dimension commentaries on classics is adjusted the merging correcting image according to difference value.
The present invention should disclose the color compensating method that a kind of two dimension (2D) is changeed three-dimensional (3D), was used for compensating display unit and carried out image processing, and the external two dimension of display unit is changeed three-dimensional transducer.Said method comprising the steps of: at first, two dimension is changeed three-dimensional transducer and is transmitted at least one merging correcting image to this display unit demonstration; Afterwards, display unit is combined correcting image and carries out image processing; Then, detect the difference value be shown merging correcting image that apparatus processes crosses and original merging correcting image; At last, adjust the merging correcting image according to difference value.
Description of drawings
The calcspar that changes three-dimensional (2D-to-3D) imaging system for conventional two-dimensional shown in Figure 1;
Shown in Figure 2 is the calcspar that the two dimension of the embodiment of the invention is changeed three-dimensional colour compensating system; And
Shown in Figure 3 is the flow chart that the two dimension of the embodiment of the invention is changeed three-dimensional color compensating method.
[main element symbol description]
Embodiment
At first, please refer to Fig. 2, change the calcspar of the colour compensating system of three-dimensional (3D) for the two dimension (2D) of the embodiment of the invention.As shown in Figure 2; Two dimension is changeed three-dimensional colour compensating system 2 (hereinafter to be referred as " colour compensating system 2 ") and is comprised the two dimension three-dimensional transducer of commentaries on classics (2D-to-3D Conversion Box) 23, color correction device (color calibration device) 27 and dark purple glasses (red/cyan glasses) (or claiming macyscope (Anaglyph glasses)) 25, and its collocation display unit 21 is used.Two dimension is changeed three-dimensional transducer 23 and is external in display unit 21, after being used for the 2D film conversion become the 3D form, is sent to display unit 21 and plays.
Specifically; The 2D film is opened picture (frame) by continuous plural number and is formed; Two dimension is changeed three-dimensional transducer 23 and is utilized red blue optical filtering principle, and all pictures in the original 2D film are removed wherein redness and blue-green pixel respectively, thereby red partially colour filter left side image and the right image of glaucous partially colour filter of producing out of the ordinary; Colour filter left side image only has the information of red pixel (red pixel), and the right image of colour filter only has the information of blue pixel (blue pixel) and green pixel (green pixel).Two dimension exports display unit 21 to after changeing the combination that three-dimensional transducer 23 interlocks colour filter left side image and the right image of colour filter again.
And dark purple glasses 25 have left eyeglass 251 and right eyeglass 253, can only receive coloured light image separately respectively, for example, and the red pixel part of left eyeglass 251 in can only receiving and displaying device 21 playing videos, that is colour filter left side image; And the blue-green pixel portion of right eyeglass 253 in can only receiving and displaying device 21 playing videos, that is the right image of colour filter.Therefore, when the user wears dark purple glasses 25 and watches the image that display unit 21 plays, can be because the image difference that left and right sides eyeglass receives, and produce 3-D effect.For instance, if the renewal frequency of input 2D film is 60Hz, two dimension is changeed three-dimensional transducer 23 can convert thereof into the 3D form, receives the colour filter left side image of 60Hz and the right image of colour filter of 60Hz separately by left and right sides eyeglass 251,253.
Two dimension of the present invention is changeed three-dimensional transducer 23 and is stored original correcting image in advance; After utilizing red blue optical filtering principle to be divided into the colour filter left side image and the right image of glaucous partially colour filter of inclined to one side redness equally; Be combined into merging correcting image (combined calibration pattern) output, in specific embodiment, original correcting image does; But be not limited to complete red image (completely red pattern).Before conversion 2D film; Two dimension is changeed the transmission earlier of three-dimensional transducer 23 and is merged correcting image to display unit 21; And detect that display unit 21 is combined that correcting image carries out image processing and the pixel value revised, and then the image that transmits after compensating according to the amplitude of revising.
For instance; Each red pixel that the image processor 211 of display unit 21 will merge in the correcting image adds 10 back demonstrations; Color correction device 27 scanning picture after treatment, and with its with merging correcting image originally relatively after, just above-mentioned measures of dispersion being back to two dimension changes three-dimensional transducer 23.The three-dimensional transducer 23 of two dimension commentaries on classics exports display unit to after just can each red pixel that merge correcting image or arbitrary picture being subtracted 10 earlier, to compensate.
In order further to understand running of the present invention, please refer to Fig. 3, change the flow chart of the color compensating method of three-dimensional for the two dimension of the embodiment of the invention.The related system framework is please in the lump with reference to figure 2.The step of the color compensating method that said two dimension commentaries on classics is three-dimensional is following:
Before playing the 2D film; Elder generation's initialization colour compensating system 2, thereby get into calibration phase, at first; Change in two dimension in advance original correcting image (step S301) is provided in the three-dimensional transducer 23; Two dimension is changeed three-dimensional transducer 23 and is utilized red blue colour filter principle from original correcting image, to be divided into colour filter left side image and the right image of colour filter, lets left and right sides eyeglass 251,253 receive (step S303) respectively; Then, the three-dimensional transducer 23 of two dimension commentaries on classics makes up colour filter left side image again and the right image of colour filter becomes the merging correcting image, and is sent to display unit 21 (step S305).
After receiving the merging correcting image, display unit 21 is carried out image processing (step S307) to it.Color correction device 27 is the merging correcting image (step S309) after the scan process immediately, detects itself and the difference value of merging correcting image originally, and judges that whether difference value is less than preset threshold value (step S311).If, then represent the merging correcting image after image processing, can be divided into the good left and right sides image of 3D effect, therefore send color correction signal to two dimension commentaries on classics three-dimensional transducer 23 (step S313).
If step S311 is judged as not; Then each pixel modification amplitude of the RGB of expression merging correcting image is excessive, and the colour filter left and right sides image distortion that causes left and right sides eyeglass 251,253 to receive; And then reduction 3D imaging effect; Therefore two dimension is changeed three-dimensional transducer 23 and is just adjusted according to difference value and merge correcting image (step S315), and repeating step S305-S311, till receiving the color correction signal.After waiting to accomplish above-mentioned initialization procedure; The 2D film of in the future playing just can compensate the pixel value (step S317) of all pictures according to the amplitude of the correcting image of adjustment merging before; Thus; The colour filter picture that left and right sides eyeglass 251,253 receives all obtains suitably to compensate, and makes the 3D imaging effect good.
The above is merely the preferred embodiments of the present invention, is not in order to limit scope of the present invention; All other do not break away from equivalent modifications or the modification of being accomplished under the spirit that invention discloses, and all should be included in the scope of claims.
Claims (10)
1. a two dimension (2D) is changeed the colour compensating system of three-dimensional (3D), is used for the display unit of arranging in pairs or groups, and comprising:
Two dimension is changeed three-dimensional transducer, is coupled to said display unit, and it transmits at least one and merges correcting image to said display unit, and wherein said merging correcting image comprises the colour filter left side image of inclined to one side first color and the right image of colour filter of inclined to one side second color; And
The color correction device is used for detecting the difference value of the said merging correcting image crossed by said display apparatus processes and original said merging correcting image, and returns said difference value to said two dimension and change three-dimensional transducer;
Wherein, the three-dimensional transducer of said two dimension commentaries on classics is adjusted said merging correcting image according to said difference value.
2. two dimension as claimed in claim 1 is changeed three-dimensional colour compensating system, wherein if said difference value less than threshold value, then said color correction device transmits color correction signal to said two dimension changes three-dimensional transducer, to stop to adjust said merging correcting image.
3. two dimension as claimed in claim 2 is changeed three-dimensional colour compensating system, and wherein said two dimension is changeed three-dimensional transducer and stored original correcting image in advance, therefrom be divided into the right image of said colour filter left side image and said colour filter after, remerge into said merging correcting image.
4. two dimension as claimed in claim 1 is changeed three-dimensional colour compensating system, also comprises:
The dark purple glasses, it has left eyeglass and right eyeglass, receives said colour filter left side image and the right image of colour filter respectively.
5. two dimension as claimed in claim 4 is changeed three-dimensional colour compensating system; Wherein said left eyeglass only allows that said first hue component in the said merging correcting image passes through, and said right eyeglass only allows that said second hue component in the said merging correcting image passes through.
6. two dimension as claimed in claim 1 is changeed three-dimensional colour compensating system, and wherein said color correction device is arranged at said display unit inside or is external in said display unit.
7. a two dimension (2D) is changeed the color compensating method of three-dimensional (3D), is used for compensating display unit and carries out image processing, and the external two dimension of said display unit is changeed three-dimensional transducer, and said method comprises:
Said two dimension is changeed at least one merging correcting image of three-dimensional transducer transmission and is shown to said display unit, and wherein said merging correcting image comprises the colour filter left side image of inclined to one side first color and the colour filter right side image of inclined to one side second color;
Said display unit is carried out image processing to said merging correcting image;
The difference value of said merging correcting image that detection is crossed by said display apparatus processes and original said merging correcting image; And
Adjust said merging correcting image according to said difference value.
8. two dimension as claimed in claim 7 is changeed three-dimensional color compensating method, wherein before the step that transmits said merging correcting image, also comprises:
Original correcting image is provided in advance;
From said original correcting image, be divided into the right image of said colour filter left side image and said colour filter; And
Merge the right image of said colour filter left side image and said colour filter and become said merging correcting image.
9. two dimension as claimed in claim 7 is changeed three-dimensional color compensating method, also comprises:
Judge that whether said difference value is less than threshold value;
If above-mentioned being judged as is that then said color correction device transmits the three-dimensional transducer of color correction signal to said two dimension commentaries on classics, to stop to adjust said merging correcting image; And
If above-mentioned being judged as not then adjusted said merging correcting image according to said difference value.
10. two dimension as claimed in claim 9 is changeed three-dimensional color compensating method, wherein after stopping to adjust the step of said merging correcting image, also comprises:
Compensate the said colour filter left side image and the right image of said colour filter of film according to the amplitude of the said merging correcting image of adjustment.
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| CN2011100215565A CN102595152A (en) | 2011-01-13 | 2011-01-13 | Two-dimensional to three-dimensional color compensation system and method |
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| CN102905140A (en) * | 2012-09-21 | 2013-01-30 | 宁波大学 | A Color Correction Method for Color Microscopic Stereoscopic Images |
| CN104570347A (en) * | 2013-10-25 | 2015-04-29 | 广达电脑股份有限公司 | Head-mounted display device and imaging method thereof |
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Application publication date: 20120718 |