CN1101199A - Division complementary colours image dividing steoro television system - Google Patents
Division complementary colours image dividing steoro television system Download PDFInfo
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- CN1101199A CN1101199A CN 93118197 CN93118197A CN1101199A CN 1101199 A CN1101199 A CN 1101199A CN 93118197 CN93118197 CN 93118197 CN 93118197 A CN93118197 A CN 93118197A CN 1101199 A CN1101199 A CN 1101199A
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The present invention relates to a stereoscopic television system. Which is composed of stereoscopic camera, time division circuit, adder, decoding circuit, a primary colour time division circuit, coding circuit, common colour television set and a complementary color filter spectacles. When the time-division complementary colour stereoscopic TV signals are projected by common television, the stereoscopic TV pictures can be watched just by using the relevant complementary colour filter spectacles. This invention compatible with common television can provide stereoscopic picture with good stereoscopic effect without the need of expensive liquid crystal spectacles and driver and greatly reduce vision fatigue of person watching TV.
Description
The present invention relates to a kind of stereo-television system.
At present, the existing multiple standard of practical stereo-television system, as time-divisio method stereo-television system and complementary colour time-divisio method stereo-television system etc., the time-divisio method stereo-television system had again by the parity field time-division divides the stereo-television system of picture and adopts a frequency multiplication time-division to divide the stereo-television system of picture.Parity field time-division branch mainly comprises stereo camera, time division circuit, adder and liquid crystal glasses and driver as stereo-television system, and stereo camera is made up of two left video cameras separated by a distance and right video camera.The two-way television image signal that left side video camera and right video camera utilize the horizontal synchronization of genlock device to take keeps the strange field signal of left video camera shooting and the even field signal that right video camera is taken after the time division circuit timesharing, strange field signal of left video camera that adder will keep and right video camera idol field signal carry out the time addition and soon then divide three-dimensional TV signal, utilize video recording apparatus to write down this time-division three-dimensional television signal and can obtain time-division stereoscopic TV video tape.Watch the time-division during three-dimensional television image, should earlier the parity field synchronizing signal of time-division three-dimensional television signal be decomposed out and pass through the switch of driver control liquid crystal glasses sheet, to guarantee that the LCD panel before the left eye is opened when showing left-eye image on the video screen, the LCD panel before the right eye is turn-offed; LCD panel when showing eye image on the video screen before the right eye is opened, and the LCD panel before the left eye is turn-offed.Owing to watch the time-division three-dimensional television image must be equipped with and the joining liquid crystal glasses of television set, therefore, to watch very inconveniently, liquid crystal glasses is also very expensive.Complementary colours image dividing steoro television system mainly comprises stereo camera, decoding circuit, complementary colour image dividing circuit, coding circuit and es.The three-dimensional image signal that decoding circuit is taken stereo camera is decomposed into R, G, B three roadbed look vision signals, with this three roadbeds look vision signal form arbitrarily complementary colours to and with complementary colours to sending into complementary colour image dividing circuit, behind complementary colour image dividing circuit gating, obtain the complementary colours image dividing steoro television primary colour signal, encoded again circuit code obtains the complementary colours image dividing steoro television signal, and the complementary colours image dividing steoro television signal record can be obtained the complementary colours image dividing steoro television video tape on video tape.When watching the complementary colours image dividing steoro television image, needn't adopt liquid crystal glasses and driver, only need to adopt corresponding es can watch stereo-picture.Therefore, complementary colours image dividing steoro television system is watched conveniently, and es is also than the liquid crystal glasses considerably cheaper.But because the restriction of frequency band, complementary colours almost invariably will produce " colour contamination interference " to picture signal, is promptly comprising another road picture signal in the picture signal of a certain road of complementary colours centering." colour contamination interference " will influence the stereopsis effect of television image when phenomenon is serious.
Purpose of the present invention promptly is the branch of complementary colours image dividing steoro television system is improved as method, to eliminate " colour contamination interference ", makes it to utilize ordinary color tv set and es can watch the three-dimensional television image of stereoeffect.
To achieve these goals, the present invention combines time-divisio method with complementary colour time-divisio method, utilize stereo camera earlier, time division circuit and adder obtain the time-division three-dimensional television signal, and then utilize decoding circuit, primary colours time division circuit and coding circuit carry out complementary colour image dividing with the time-division three-dimensional television signal, thereby convert the time-division three-dimensional television signal to the division complementary colours image dividing steoro television signal, the division complementary colours image dividing steoro television signal record can be obtained the division complementary colours image dividing steoro television video tape on video tape, because the division complementary colours image dividing steoro television signal is separated in time, therefore thoroughly eradicated intrinsic " the colour contamination interference " of complementary colour time-divisio method, only need utilize corresponding complementary filter goggle can watch the good three-dimensional television image of stereoeffect when showing by the ordinary color tv set screen.Be described in further detail below in conjunction with the technical characterictic of specific embodiment division complementary colours image dividing steoro television system of the present invention.
Accompanying drawing 1 is the block diagram of division complementary colours image dividing steoro television system of the present invention;
Accompanying drawing 2 is for to utilize liquid crystal glasses to watch the schematic diagram of time-division three-dimensional television image.
With reference to the accompanying drawings 1, division complementary colours image dividing steoro television system of the present invention mainly comprises stereo camera, time division circuit, adder, decoding circuit, primary colours time division circuit, coding circuit, ordinary color tv set and es.
Stereo camera is made up of left video camera L separated by a distance and right video camera R, but utilizes genlock device Syn horizontal synchronization to take the synchronous images signal that two-way has certain parallax.This two-way synchronous images signal is after the time division circuit timesharing, and the strange field signal that even field signal that filtering left side video camera is taken and right video camera are taken keeps the strange field signal of left video camera shooting and the even field signal that right video camera is taken.Strange field signal of left video camera that adder will remain and right video camera idol field signal carry out the time addition, promptly obtain the time-division three-dimensional television signal.Utilize video recording apparatus to write down this time-division three-dimensional television signal, can obtain time-division stereoscopic TV video tape D1.For the time-division three-dimensional television signal is converted to the division complementary colours image dividing steoro television signal, earlier the time-division three-dimensional television signal is solved R through decoding circuit, G, sub video signal during the B three primary colors, sub video signal is formed complementary colours arbitrarily to (R/G for example during then with three primary colors, B, G/R, R or B/R, the G complementary colours to) and with complementary colours to sending into the primary colours time division circuit, the primary colours time division circuit is under the control of strange field sync signal and even field sync signal, select a certain road signal of complementary colours centering to pass through and another road signal of filtering complementary colours centering respectively, thereby obtain the division complementary colours image dividing steoro television primary colour signal.Encoder promptly gets the division complementary colours image dividing steoro television signal after the division complementary colours image dividing steoro television primary colour signal is encoded.Utilize video recording apparatus record division complementary colours image dividing steoro television signal, can get division complementary colours image dividing steoro television video tape D2.Because the division complementary colours image dividing steoro television signal has the advantage of general complementary colour image dividing, needn't adopt liquid crystal glasses and driver when watching television image.Separate in time owing to the division complementary colours image dividing steoro television signal again, thereby eradicated general complementary colour time-divisio method intrinsic " colour contamination interference " effectively.Therefore, when showing, only need utilize corresponding es can see the good three-dimensional television image of stereoeffect, and can weaken visual fatigue greatly by the ordinary color tv set screen.
When stereoscopic TV was broadcasted and watched stereoscopic TV, division complementary colours image dividing steoro television system of the present invention is flexible configuration as the case may be.
(1) TV station directly broadcasts division complementary colour three-dimensional television (video tape D
2), observer is utilized video recording apparatus record division complementary colours image dividing steoro television program, or utilizes ordinary color tv set and es direct viewing division complementary colours image dividing steoro television image.
(2) with the additional conversion equipment of the division complementary colour image dividing change-over circuit among the present invention as video recording apparatus or ordinary color tv set, TV station only broadcasts time-division three-dimensional television (video tape D
1), the observer utilization has the video recording apparatus record time-division three-dimensional television of additional conversion equipment, or utilizes ordinary color tv set and the es direct viewing time-division three-dimensional television image that has additional conversion equipment.
(3) television station broadcast time-division three-dimensional television (video tape D
1) or division complementary colours image dividing steoro television program (video tape D
2), observer still utilizes ordinary color tv set and liquid crystal glasses and driver to watch.In other words, division complementary colours image dividing steoro television system of the present invention and liquid crystal glasses and driver compatibility.
Division complementary colours image dividing steoro television system of the present invention can be watched three-dimensional television image by ordinary color tv set and es, and the image stereopsis is effective, can weaken visual fatigue greatly; The present invention also can with liquid crystal glasses and driver compatibility.Therefore, the present invention both had been applicable to stereoscopic TV broadcasting, was applicable to that also having recording playback views and admires three-dimensional television as the observer of equipment.
Claims (1)
1, a kind of stereo-television system, comprise stereo camera, time division circuit and adder, stereo camera is made up of left video camera separated by a distance and right video camera, left side video camera and right video camera utilize the two-way synchronized stereo images signal of genlock device horizontal synchronization shooting after the time division circuit timesharing, the even field signal that strange field signal that even field signal that filtering left side video camera is taken and right video camera are taken and the strange field signal that keeps left video camera shooting and right video camera are taken, strange field signal of left video camera that adder will keep and right video camera idol field signal carry out the time addition, obtain the time-division three-dimensional television signal, utilize video recording apparatus to write down this time-division three-dimensional television signal and promptly obtain time-division stereoscopic TV video tape; The invention is characterized in that it has by decoding circuit, the division complementary colour image dividing change-over circuit that primary colours time division circuit and coding circuit are formed, the time-division three-dimensional television signal that is recorded on the video tape solves R by decoding circuit earlier, G, sub video signal during the B three primary colors, during then with three primary colors sub video signal form arbitrarily complementary colours to and send into the primary colours time division circuit, the primary colours time division circuit is under the control of strange field sync signal and even field sync signal, select a certain road signal of complementary colours centering to pass through and the another kind of signal of filtering complementary colours centering respectively, obtain the division complementary colours image dividing steoro television primary colour signal, this division complementary colours image dividing steoro television primary colour signal promptly becomes the division complementary colours image dividing steoro television signal after being encoded by coding circuit, the division complementary colours image dividing steoro television signal record is promptly obtained the division complementary colours image dividing steoro television video tape on video tape, can utilize corresponding es to watch three-dimensional television image when showing by general color television receiver screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93118197 CN1101199A (en) | 1993-09-30 | 1993-09-30 | Division complementary colours image dividing steoro television system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93118197 CN1101199A (en) | 1993-09-30 | 1993-09-30 | Division complementary colours image dividing steoro television system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1101199A true CN1101199A (en) | 1995-04-05 |
Family
ID=4992380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93118197 Pending CN1101199A (en) | 1993-09-30 | 1993-09-30 | Division complementary colours image dividing steoro television system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1101199A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056236C (en) * | 1995-09-01 | 2000-09-06 | 浙江大学 | Hydraulic elevator dynamic characteristics measuring instrument |
| CN102638701A (en) * | 2011-02-15 | 2012-08-15 | 瑞昱半导体股份有限公司 | Display, image processing device and image processing method |
-
1993
- 1993-09-30 CN CN 93118197 patent/CN1101199A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056236C (en) * | 1995-09-01 | 2000-09-06 | 浙江大学 | Hydraulic elevator dynamic characteristics measuring instrument |
| CN102638701A (en) * | 2011-02-15 | 2012-08-15 | 瑞昱半导体股份有限公司 | Display, image processing device and image processing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |