CN107786863A - A kind of method for improving imaging product based on SPD technologies - Google Patents
A kind of method for improving imaging product based on SPD technologies Download PDFInfo
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- CN107786863A CN107786863A CN201711092887.1A CN201711092887A CN107786863A CN 107786863 A CN107786863 A CN 107786863A CN 201711092887 A CN201711092887 A CN 201711092887A CN 107786863 A CN107786863 A CN 107786863A
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- light
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Image Signal Generators (AREA)
Abstract
The invention discloses a kind of method for improving imaging product based on SPD technologies.It comprises the following steps：(1) object to be captured is selected；(2) opto-electronic conversion is carried out；(3) electric signal shooting image storage is carried out；(4) electro-optic conversion is carried out；(5) object images shooting to be captured is completed.It is completed by light importation and light output part, can do white light source using SPD technologies, under the premise of ensureing that white field coordinate is rational, is improved S/P ratios, is improved the energy of scotopia light；Can also be corresponding with light source by the filtering wave band of color filter photoresistances, regulation G (green glow) (blue light) energy proportion, ensure that white field coordinate is reasonable, so as to improve S/P ratios.
Description
Technical field
The present invention relates to a kind of method for improving imaging product based on SPD technologies.
Background technology
At present, existing imaging product is substantially by digital signal to preserve image message, does not have the materials such as film
Material；In the application of such product, the equipment such as camera, video camera is to win ambient, and the light message of capture is done into inside
Processing, preserve digital image signal in memory；Display and projection-type product, it is by existing image message, tries one's best true
Reduction, in the form of light project, human eye see injection light or project light reflected light, so as to see image.Light is defeated
Enter the equipment of type, be by the ambient light of injection camera lens, be decomposed into R/G/B three primary colours, inter-process stores three bases of each pixel
Color message, so as to obtain whole image message；If ambient light is very faint, it usually needs using light filling, the i.e. equipment such as flash lamp
Application, so generally comprised extraneous faint ambient light from the incident light of camera lens in dark situation sends light with light-supplementing system
The reflected light of line (image if desired is exactly dark situation state, it is of course possible to closes light-supplementing system)；Light enters from camera lens
, it is necessary to be filtered by materials such as color filter to realize after penetrating, light is decomposed into the color signals of R/G/B tri-, passes through CCD/
The opto-electronic conversion signal such as CMOS realizes the storage of electric signal；Because current light filling and optical filtering mode have a disadvantage that：1.S/P ratios
Be worth it is relatively low, generally less than 1.7；2. color of image can produce distortion, to external object (in especially dark environment) color rendition
Difference；3. power consumption is big；4. picture third dimension (i.e. the depth of field) is bad；It is as follows that it produces the reason for drawbacks described above：1. the light of light-supplementing system
Source S/P ratios are low；2. incident ray is decomposed into R/G/B three primary colours by inside light splitting, the wave band of filtering is incorrect, no and light filling
Light source matches or ambient is not resolved into the high three primary colours composition of S/P ratios；Both the above reason can to store
The picture to get off has distortion.And for the optical output type equipment such as display, projecting apparatus；It is that existing image message is passed through into telecommunication
The injection of light signal number is converted to, can make one to arrive image soon；The light of injection comes from light source, and light source typically uses at present
LED white light sources, filter to form R/G/B three primary colours by color filter；Image message is present in a manner of electric signal,
Controller is according to image message, to control the R/G/B composition accountings of each pixel, so as to obtain the light of complete image message news
Number, project in the form of light.Traditional LED white light sources are made up of blue chip excitated fluorescent powder mode or other modes,
This type LED light sources has as a drawback that：1.S/P ratios are relatively low, and generally less than 1.7, but blue light ingredient is too high, and white coordinate deviates
Black body-line is far, white is seemed blueing color；2. color of image can produce distortion, to external object (especially dark environment
In) color rendition is poor；3. power consumption is big；4. picture third dimension (i.e. the depth of field) is bad.It is as follows that it produces the reason for drawbacks described above：1. pass
The white light LEDs of system, basic light source are blue lights, by the way that blue light is improved and can improve scotopia spectrum proportion, but so
White field coordinate serious distortion can be caused；The human eye 505nm most sensitive to noctovision or so spectral energy is considerably less；
2.Colorfilter optical filtering wave bands are unreasonable.
The content of the invention
For above-mentioned prior art, the technical problem to be solved in the present invention be to provide it is a kind of based on SPD technologies improve into
As the method for product.It is completed by light importation and light output part, can be done white light source using SPD technologies, protected
Demonstrate,prove white field coordinate it is rational under the premise of, improve S/P ratios, improve scotopia light energy；Can also be by color filter photoresistances
Filtering wave band it is corresponding with light source, regulation G (green glow) (blue light) energy proportion, ensure that white field coordinate is reasonable, so as to improve
S/P ratios.
In order to solve the above technical problems, the invention provides a kind of method for improving imaging product based on SPD technologies.It by
Light importation and light output part are completed as an entirety, are comprised the following steps：
(1) object to be captured is selected；
(2) opto-electronic conversion is carried out.During opto-electronic conversion, if ambient light is natural light, light source is exactly real；If need to mend
The situation of light, the ability that the light source of light filling can reduce realistic colour are only the basic of storage image image quality authenticity；So improve
The S/P ratios of supplementary lighting sources, it can just accomplish that source color is undistorted, color filter will arrange in pairs or groups supplementary lighting sources, accomplish to filter
Wave band matches with light source, can transmit higher scotopia light energy in the case of ensureing that white coordinate is rational；
(3) electric signal shooting image storage is carried out.By light importation by extraneous real-world object and environment with electric signal
Form storage；When light signal is converted to electric signal, it is necessary to which incident light is decomposed into three primary colours by color filter, pass through
The opto-electronic conversions such as CCD, CMOS store for electric signal shooting image；
(4) electro-optic conversion is carried out.During electro-optic conversion, it is that white light source replaces natural light, passes through color filter
Light source is decomposed into R/G/B three primary colours, the colour mixture of each pixel is completed according to the signal of image, is being projected in the form of light, it is real
Existing image is shown；Improve true reducing power of the light signal to image electric signal, it is desirable to which white light source can provide all in itself
Color message, S/P ratios will height；The photoresistance that color filter filter is reasonably combined with light source, realizes irradiant
High S/P ratios, while color is undistorted, white coordinate position is reasonable；
(5) object images shooting to be captured is completed.Light output part is really to interrogate stored electric signal with light
Number project；When electric signal is converted to light signal, it is necessary to provide white light source in addition, based on shooting image electric signal, lead to
Electro-optic conversion is crossed to send the pixel message that electric signal stores with light signal.
Compared with prior art, the beneficial effect comprise that：To be shown with display device and projection device
Extraneous real scene and object realize the reduction of realistic colour, it is necessary to opto-electronic conversion and electro-optic conversion can arrange in pairs or groups rationally；This
Sample requires that the spectrum of white light source in the spectrum and electro-optic conversion of supplementary lighting sources in opto-electronic conversion is as far as possible consistent, opto-electronic conversion
The photoresistance that the color filter used with electro-optic conversion filter is also as far as possible consistent (i.e. consistent to the wavelength-filtered of light wave)；
The present invention can realize the true reduction on display device and projection device to real-world object and scenery.
Brief description of the drawings
Fig. 1 is the fundamental diagram that the present invention is imaged.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
In the present invention it is assumed that the light such as camera, video camera input equipment and the light outputs such as display product, projection products are set
Standby referred to as imaging product.SPD technologies used in the present invention, refer to that our company has applied for the technology of Chinese patent, its patent
Number be 201410389985.1, its technology contents is not described in detail herein.As Fig. 1 shows the fundamental diagram of the invention being imaged.
It provides a kind of method for improving imaging product based on SPD technologies.It is by light importation and light output part as one
Entirety is completed, and is comprised the following steps：
(1) object 1 to be captured is selected；
(2) opto-electronic conversion 2 is carried out.During opto-electronic conversion 2, in natural light/light filling and color filter 7, if ambient light
It is natural light, light source is exactly real；If needing the situation of light filling, the ability that the light source of light filling can reduce realistic colour is only
Storage image image quality authenticity it is basic；It so improving the S/P ratios of supplementary lighting sources, can just accomplish that source color is undistorted, lead to
Crossing is improved supplementary lighting sources using SPD technologies, improves S/P ratios, and accomplishing 2.0 or even more than 2.5, (each product category and client should
With difference, the spectral waveform of design can be variant, and purport is to improve S/P ratios)；Color filter need light filling of arranging in pairs or groups again
Light source, accomplish that filter wave band matches with light source, higher scotopia luminous energy can be transmitted in the case of ensureing that white coordinate is rational
Amount.The three primary colours S/P ratios that incident light will be decomposed are heightened, but white field coordinate is constant；The filtering of Color filter photoresistances
Wave band needs corresponding with the spectrum of supplementary lighting sources；By adjusting the spectrum such as G＆B and energy, realize and (closed in rational white field coordinate
The white field coordinate of reason is to mean that image white picture color will be with seeing under true sunlight in black body-line or near black body-line
It is white the same or close) under the premise of, it can transmit more scotopia spectral energies, reach the effect for improving S/P ratios；
(3) electric signal shooting image storage 3 is carried out.By light importation by extraneous real-world object and environment with electric signal
Form storage；When light signal is converted to electric signal, it is necessary to which incident light is decomposed into three primary colours by color filter, pass through
The opto-electronic conversions such as CCD, CMOS are electric signal shooting image storage 3；
(4) electro-optic conversion 4 is carried out.During electro-optic conversion, when white light source and color filter 6, if be white light
Light source replaces natural light, and white light source is done using SPD technologies, under the premise of ensureing that white field coordinate is rational, improves S/P ratios,
Improve the energy of scotopia light；And light source is decomposed into by R/G/B three primary colours by color filter, it is complete in the signal according to image
Into the colour mixture of each pixel, project in the form of light, realize that image is shown；Want to improve light signal to the true of image electric signal
Reducing power, it is desirable to which white light source can provide all color messages in itself, and S/P ratios will height；Meanwhile color filter are filtered
The photoresistance of light is reasonably combined with light source, realizes irradiant high S/P ratios, while color is undistorted, and white coordinate position closes
Reason；It is i.e. that the filtering wave band of color filter photoresistances is corresponding with light source；G (green glow) (blue light) energy proportion is adjusted, is protected
It is reasonable to demonstrate,prove white field coordinate, improves S/P ratios；
(5) object images shooting 5 to be captured is completed.Light output part is really to interrogate stored electric signal with light
Number project；When electric signal is converted to light signal, it is necessary to provide white light source in addition, based on shooting image electric signal, lead to
Electro-optic conversion is crossed to send the pixel message that electric signal stores with light signal.
The present invention with display device and projection device to show extraneous real scene and the object, it is necessary to carry out photoelectricity
Conversion and electro-optic conversion can be reasonably combined, the reduction to realizing realistic colour；So require supplementary lighting sources in opto-electronic conversion
Spectrum and electro-optic conversion in the spectrum of white light source to keep the color as far as possible consistent, opto-electronic conversion uses with electro-optic conversion
The photoresistance that filter filters will also keep as far as possible consistent (i.e. consistent to the wavelength-filtered of light wave)；The present invention can be realized to true
The true reduction of real object and scenery on display device and projection device.
Above in conjunction with accompanying drawing to the present invention embodiment be explained in detail, but the present invention be not limited to it is above-mentioned
Embodiment, in those of ordinary skill in the art's possessed knowledge, many variations can also be made to it.
Claims (1)
- A kind of 1. method for improving imaging product based on SPD technologies, it is characterised in that：It is by light importation and light output part Complete, comprise the following steps as an entirety：(1) object to be captured is selected；(2) opto-electronic conversion is carried out；During opto-electronic conversion, if ambient light is natural light, light source is exactly real；If need light filling Situation, the ability that the light source of light filling can reduce realistic colour are only the basic of storage image image quality authenticity；So improve light filling The S/P ratios of light source, it can just accomplish that source color is undistorted, color filter will arrange in pairs or groups supplementary lighting sources, accomplish to filter wave band Match with light source, higher scotopia light energy can be transmitted in the case of ensureing that white coordinate is rational；(3) electric signal shooting image storage is carried out；By light importation by extraneous real-world object and environment with the shape of electric signal Formula stores；When light signal is converted to electric signal, it is necessary to which incident light is decomposed into three primary colours by color filter, by CCD, The opto-electronic conversions such as CMOS store for electric signal shooting image；(4) electro-optic conversion is carried out；It is that white light source replaces natural light during electro-optic conversion, by color filter by light Source is decomposed into R/G/B three primary colours, and the colour mixture of each pixel is completed according to the signal of image, is projecting in the form of light, realizes figure As display；Improve true reducing power of the light signal to image electric signal, it is desirable to which white light source can provide all colors in itself Color message, S/P ratios will height；The photoresistance that color filter filter is reasonably combined with light source, realizes irradiant high S/P Ratio, while color is undistorted, white coordinate position is reasonable；(5) object images shooting to be captured is completed；Light output part is really to penetrate stored electric signal with light signal Go out；When electric signal is converted to light signal, it is necessary to provide white light source in addition, based on shooting image electric signal, pass through electricity Light conversion sends the pixel message of electric signal storage with light signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711092887.1A CN107786863A (en) | 2017-11-08 | 2017-11-08 | A kind of method for improving imaging product based on SPD technologies |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711092887.1A CN107786863A (en) | 2017-11-08 | 2017-11-08 | A kind of method for improving imaging product based on SPD technologies |
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| CN107786863A true CN107786863A (en) | 2018-03-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841440A (en) * | 2011-06-20 | 2012-12-26 | 奥林巴斯株式会社 | Electronic endoscope apparatus |
| CN102841441A (en) * | 2011-06-20 | 2012-12-26 | 奥林巴斯株式会社 | Electronic endoscopic apparatus |
| CN103081456A (en) * | 2010-09-10 | 2013-05-01 | 奥林巴斯医疗株式会社 | Image capture device |
| US20140022430A1 (en) * | 2012-07-20 | 2014-01-23 | Sony Corporation | Solid-state imaging device and manufacturing method |
| CN104218033A (en) * | 2014-08-09 | 2014-12-17 | 深圳市华明佰利科技有限公司 | LED light-emitting body with high S/P (scotopic/photopic) value |
-
2017
- 2017-11-08 CN CN201711092887.1A patent/CN107786863A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103081456A (en) * | 2010-09-10 | 2013-05-01 | 奥林巴斯医疗株式会社 | Image capture device |
| CN102841440A (en) * | 2011-06-20 | 2012-12-26 | 奥林巴斯株式会社 | Electronic endoscope apparatus |
| CN102841441A (en) * | 2011-06-20 | 2012-12-26 | 奥林巴斯株式会社 | Electronic endoscopic apparatus |
| US20140022430A1 (en) * | 2012-07-20 | 2014-01-23 | Sony Corporation | Solid-state imaging device and manufacturing method |
| CN104218033A (en) * | 2014-08-09 | 2014-12-17 | 深圳市华明佰利科技有限公司 | LED light-emitting body with high S/P (scotopic/photopic) value |
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Application publication date: 20180309 |