CN1017300B - Stereoscopic camera system and relevant image-watching spectacles - Google Patents
Stereoscopic camera system and relevant image-watching spectaclesInfo
- Publication number
- CN1017300B CN1017300B CN 89104038 CN89104038A CN1017300B CN 1017300 B CN1017300 B CN 1017300B CN 89104038 CN89104038 CN 89104038 CN 89104038 A CN89104038 A CN 89104038A CN 1017300 B CN1017300 B CN 1017300B
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- Prior art keywords
- signal
- light
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- pick
- primary colours
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The present invention relates to a stereoscopic camera system which comprises two camera lenses with definite distance, a synchronous control device for coordinating the action of the two camera lenses, a light dividing device for dividing a light ray passing through one camera lens into two light rays with different base colors, three camera devices for converting light signals to electrical signals, an amplifying device for amplifying the electrical signals, a device for making the video process of the amplified electrical signals and an encoding device for encoding the treated electrical signals into full television signals. The present invention also relates to a pair of spectacles for watching a stereoscopic television, which comprise a spectacle frame and left and right spectacle lenses, wherein the left and the right spectacle lenses are fixed on the spectacle frame and are composed of different color filters.
Description
The present invention relates to a kind of three-dimensional camera system and stereo image viewing apparatus thereof, relate in particular to a kind of camera system that is used to absorb the color solid image that can pass through existing television system broadcast and reappear, and the glasses of watching that can reappear the color solid image.
Realize that stereoscopic TV generally has methods such as polarization method, framing method and time-sharing approach, the stereo TV system of available technology adopting said method is general incompatible with existing various television equipments and standard, promptly need to adopt special signal to play and display device, be difficult on existing basis, be extensive use of.
Another method that realizes stereoscopic TV is a color seperation.Adopt the television system of this method on display screen, to demonstrate the vision-mix of a pair of monochrome image (being generally red image and green or blue image).Put on corresponding goggles with color filter when watching, make every eye only see wherein a kind of image of color regularly, the monochrome image that eyes are seen combines in brain, produces three-dimensional psychogram.Yet utilize existing equipment, this stereo-picture can only present a kind of single color, and for example, with red green color seperation, what see at last is yellow stereo-picture; And obtain other color with red blue color separation rule.Then there is ill-defined defective in the image that shows with black and white television set.
United States Patent (USP) 4,480, the stereo-television system of being announced for No. 263 also is the color seperation stereoscopic TV, this system as shown in Figure 5, among the figure, 13 is scenery, 14,14 ' be two independently monochrome cameras, 15,15 ' be two low pass filters, 16 is signal processing circuit, 16 ' be level adjustment circuit, 17 is switching device, 18 is matrix circuit, 19 is coding circuit, and 20 is decoding circuit, and 21 is matrix circuit, 22 is color picture tube, and 23 is goggles with color filter.Respectively through 15 and 15 ' two low pass filters, wherein 15 ' bandwidth is 3-3.7MHz, and is modeled to the R signal in the colour TV signal by the stereo-picture of two monochrome cameras picked-up.15 bandwidth is between the 500-700KHz, and is modeled to the G+B signal in the colour TV signal.16 and 16 ' being respectively signal processing circuit and level adjusting circuit, its major function is in order to regulate the level of R, (G+R) signal.18,19 is matrix and coding circuit in the general color television, and to produce the three-dimensional composite video signal (3DBS) of a monochrome.Utilize a common color television set, the beholder puts on a secondary goggles with color filter, just can see the monochromatic anaglyph picture.The advantage of this invention is can utilize existing colour television transmitter and receiver transmission and receive three-dimensional television signal.But its problem that mainly exists is, utilizes two Bs independently, can't accomplish system operation (camera lens zoom, focusing, aperture and registration are regulated) synchronously; The colored demonstration can't be realized, and the monochromatic anaglyph picture can only be transmitted; G and B signal low pass filter, the definition that embodies the main thoroughfare G signal of image definition in the color TV is reduced greatly, and the height of definition is a leading indicator of decision stereoeffect quality by a 500-750KHz bandwidth.The United States Patent (USP) invention of being announced for 4,480, No. 263 also can't be practical as can be known from above analysis.
The object of the present invention is to provide a kind of color solid camera system, the three-dimensional image signal that obtains by this system can utilize existing television equipment to transmit and the reception projection.
The present invention also aims to provide the corresponding stereo-picture of camera system a kind of and of the present invention to watch glasses, the picture breakdown of being absorbed by camera system of the present invention and playing out can be become two different images of watching for images of left and right eyes respectively by this glasses on existing television set, thereby in human brain, synthesize color stereo-picture true to nature.
Three-dimensional camera system of the present invention comprises the first and second parallel pick-up lenss, a sync control device that is used to coordinate the action of above-mentioned two pick-up lenss decomposites the light-dividing device of a branch of at least first primary colours light and a branch of second primary colours light from the light by first pick-up lens; Be used for the first primary lights conversion of signals is become first picture pick-up device of first signal of telecommunication; Be used for the second primary lights conversion of signals is become second picture pick-up device of second signal of telecommunication; Be used for to convert the 3rd picture pick-up device of the 3rd signal of telecommunication to by the light signal of second pick-up lens; Be respectively applied for first, second and the 3rd amplifying device that amplify first, second and the 3rd signal of telecommunication; Be used for first, second and the 3rd signal of telecommunication after amplifying handled to make handling R, G that the R, the G that obtain and B signal have the colour TV signal of standard and the apparatus for processing of video signals of B value, and will encode through R, the G of Video processing and B signal and export the code device of composite colour television signal.
The television image that the composite colour television signal that obtains with camera system of the present invention is recovered on existing color television set, watch the people must put on stereoscopic TV of the present invention and watch glasses can see the stereo-picture that color is true to nature, the optical characteristics of these glasses is consistent with the optical characteristics of camera system of the present invention.The glasses of watching of the present invention comprise a sub glasses holder and be fixed on the left and right eyeglass that is made of colour filter on the mirror holder, and left color filter film is P to the transmitance of the luminous ray of wavelength in first wave band, and the relative transmitance of other luminous ray then is about zero; Right color filter film is P to the transmitance of the luminous ray of wavelength in second wave band, and the relative transmitance of other light is about zero.Above-mentioned first wave band constitutes a continuous visible light wave range with second wave band.
The TV signal that adopts three-dimensional camera system of the present invention to obtain can be utilized existing television equipment transmission and projection.After putting on glasses of the present invention, can watch the stereo-picture that color is true to nature and have the enough depth of field from the screen of color television set.Above-mentioned TV signal then can be reduced the good plane picture of imaging matter on black and white television set.In sum, stereoscopic TV camera system of the present invention has realized the compatibility with existing radio data system, and can utilize existing television system.
Describe embodiments of the invention in detail hereinafter with reference to accompanying drawing, therefrom also can see other purpose and advantage of the present invention.
Fig. 1 is the structured flowchart of a preferred embodiment of three-dimensional camera system of the present invention.
Fig. 2 is the stereogram that stereoscopic TV of the present invention is watched a preferred embodiment of glasses.
Fig. 3 and 4 has shown the colour filter characteristic of the lens that different colour filters are made.
Fig. 5 is the block diagram that existing color seperation stereo-television system is shown.
Referring to Fig. 1, optical system 1 comprises two pick-up lenss 2 and 3, pick-up lens 2 and 3 parallel axes, and a fixed range d at interval, and d can be several centimetres to tens centimetres, its preferred range is a times to three times of human eye interpupillary distance (about 65mm).Sync control device 4 is used for making the everything of pick-up lens 2 and 3 to be consistent.The light that subject sends enters among the light-dividing device 5a through pick-up lens 2, light-dividing device 5a decomposites a branch of first primary colours light (for example red) and a branch of second primary colours light (for example green), picture pick-up device 6a, 6b, for example can be camera tube or charge coupled device, convert these two light signals to first and second signals of telecommunication respectively, light signal through pick-up lens 3 for example can be camera tube or electric charge combined device spare by picture pick-up device 6c(then), convert the 3rd signal of telecommunication to.Above-mentioned three signals of telecommunication amplify through amplifying device 7a, 7b and 7c, carry out vision signal by video processor 8 again and handle, and the R that makes it to export, G, B component have the value of standard colour TV signal.At last, be encoded into the color solid composite video signal by code device 9.Among the figure, 5b and 5c are filter, are used to reduce luminous flux or change colour temperature.From the colour TV signal of code device output, because wherein R, G component (red and green) are from first pick-up lens 2, and B component (blueness) is from second pick-up lens 3, so this composite colour television signal has carried left and right parallax information.
In above-mentioned composite video signal, first, second signal of telecommunication that picture pick-up device 6a, 6b produce is as the right eye signal, and the image that these two signals are recovered on television screen should allow people's right eye see; And the image that the 3rd signal of telecommunication that picture pick-up device 6c produces is recovered on screen should be watched by people's left eye.Like this, the image seen of people's images of left and right eyes synthesizes the psychological stereo image of color reduction in brain.In fact, the image that is reduced into of three signals of telecommunication mixes on screen.Thereby, must they be distinguished by filter.
Referring to Fig. 2, watch glasses for stereoscopic TV of the present invention shown in the figure.Two eyeglasses of making by different colour filters 11,12 on mirror holder 10, have been fixed.When the light that is received as picture pick-up device 6a, 6b among Fig. 1 was respectively red and green, it is yellow that the right color filter film 11 of glasses should be, and left color filter film 12 be a blueness.At this moment the colour filter characteristic of left and right color filter film as shown in Figure 3, wherein, 12 pairs of wavelength of left color filter film are at λ
0To λ
1Between the transmitance of luminous ray of (for example 4000-5000A) be P
1, be zero to the relative transmitance of other light; And 11 pairs of wavelength of right color filter film are at λ
1To λ
2Between the transmitance of luminous ray of (for example 5000-7000A) be P
2, be zero to the relative transmitance of other light.Transmitance P
1, P
2Value should satisfy the condition that complementary color restores the standard white light after synthetic, promptly normal eyes are when seeing through corresponding colour filter and watch the standard white light source, the color perception that brain produces should be correct, feels identical during just with the eyes direct viewing.
In camera system shown in Figure 1, the light beam that light-dividing device 5a decomposites can be any two kinds in three kinds of primary lights of red, green, blue, and is corresponding therewith, the long also change thereupon of colour filter filter of watching glasses of the present invention.When above-mentioned light beam was redness and blueness, the right color filter film 11 of glasses should be magenta, and it is green that left color filter film 12 should be; And above-mentioned light beam is when being green and blue, and right color filter film 11 should be cyan, and left color filter film 12 is a large red.In these cases color filter film to the transmitance of various light the condition that should satisfy still constant.Fig. 4 shows the colour filter characteristic of green grass or young crops, bright red color filter film, and wherein, 11 pairs of wavelength of right color filter film are at λ '
0-λ '
1Between the transmitance of luminous ray be P
1, 12 pairs of filters of left color filter film are long at λ '
1-λ '
2Between the transmitance of luminous ray be P
2, λ '
0, λ '
1And λ '
2Be about 4000 respectively
, 6000
With 7000
Obviously, light-dividing device 5a, picture pick-up device 6a, 6b three and picture pick-up device 6c location swap can be exchanged its corresponding subsequent circuit simultaneously, and corresponding left and right color filter film, this constitutes another embodiment of the present invention.
Preferred embodiment of the present invention has more than been described, be intended to instruct enforcement of the present invention, practician in any present technique field can make multiple variation and modification to this after having understood essence of the present invention, and does not exceed the scope of the present invention that claims limit.
Claims (10)
1, a kind of three-dimensional video image device, it comprises an optical system, converts light signal first, second and the 3rd picture pick-up device, video process apparatus and code device of the signal of telecommunication to, it is characterized in that,
Described optical system comprises:
Be arranged to the first parallel pick-up lens and second pick-up lens, its axis spacing is d;
The synchronous sync control device of action that is used to make above-mentioned first and second pick-up lenss;
Decomposite the light-dividing device of a branch of first primary colours light and a branch of second primary colours light from light by first pick-up lens;
Above-mentioned first and second picture pick-up devices receive the light signal of the above-mentioned first and second primary colours light respectively, convert them to first and two signals of telecommunication respectively, and above-mentioned the 3rd picture pick-up device receives the light signal by second pick-up lens, converts it to the 3rd signal of telecommunication,
Described video process apparatus is handled in real time to above-mentioned first, second and the 3rd signal of telecommunication, makes R, G and B value in the colour TV signal that R, G after the processing and B signal have standard,
Described code device is exported composite colour television signal to the R after Video processing, G and B signal encoding.
2, stereo photographic device as claimed in claim 1 is characterized in that, the scope of described axis spacing d is 65mm-195mm preferably.
3, stereo photographic device as claimed in claim 2 is characterized in that, it also comprises and is respectively applied for first, second and the 3rd amplifying device that amplifies above-mentioned first, second and the 3rd signal of telecommunication.
4, stereo photographic device as claimed in claim 3 is characterized in that, above-mentioned first primary colours are red, and second primary colours are green.
5, stereo photographic device as claimed in claim 3 is characterized in that, the combination of above-mentioned first primary colours and second primary colours can be one of redness, blue combination and green, blue combination.
6, stereo photographic device as claimed in claim 3 is characterized in that, above-mentioned picture pick-up device can be camera tube or charge coupled device.
7, a kind of glasses that are used to watch stereoscopic TV, it comprises a mirror holder and a left eyeglass and a right eyeglass of being fixed in the mirror holder, left and right eyeglass is made by different colour filters respectively, it is characterized in that, left colour filter is P to the transmitance of the luminous ray of wavelength in first predetermined band
1, right color filter film is P to the transmitance of the luminous ray of wavelength in second predetermined band
2, above-mentioned two eyeglasses are about zero, above-mentioned light transmittance P to the relative transmitance of the luminous ray outside its predetermined band
1And P
2Value satisfy the condition that complementary color restores the standard white light after synthetic.
8, glasses as claimed in claim 7 is characterized in that, described left and right colour filter can be blue and yellow combination, one of green and brilliant red combination or large red and cyan combination.
9, glasses as claimed in claim 7 is characterized in that, described first predetermined band and second predetermined band can be respectively 4000-5000 dust and 5000-7000 dust.
10, glasses as claimed in claim 7 is characterized in that described first and second predetermined band are respectively 6000 dusts-7000 dust and 4000-6000 dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89104038 CN1017300B (en) | 1989-06-15 | 1989-06-15 | Stereoscopic camera system and relevant image-watching spectacles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89104038 CN1017300B (en) | 1989-06-15 | 1989-06-15 | Stereoscopic camera system and relevant image-watching spectacles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1041255A CN1041255A (en) | 1990-04-11 |
| CN1017300B true CN1017300B (en) | 1992-07-01 |
Family
ID=4855404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89104038 Expired CN1017300B (en) | 1989-06-15 | 1989-06-15 | Stereoscopic camera system and relevant image-watching spectacles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1017300B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291441B (en) * | 2008-05-21 | 2010-04-21 | 深圳华为通信技术有限公司 | Mobile phone and image information processing method |
| CN102279467A (en) * | 2010-06-13 | 2011-12-14 | 陈小军 | Three-dimensional (3D) imaging system and method |
-
1989
- 1989-06-15 CN CN 89104038 patent/CN1017300B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1041255A (en) | 1990-04-11 |
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