CN108469302A - Color correction and test device - Google Patents
Color correction and test device Download PDFInfo
- Publication number
- CN108469302A CN108469302A CN201810610277.4A CN201810610277A CN108469302A CN 108469302 A CN108469302 A CN 108469302A CN 201810610277 A CN201810610277 A CN 201810610277A CN 108469302 A CN108469302 A CN 108469302A
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- China
- Prior art keywords
- colour atla
- light source
- color correction
- fixed plate
- test device
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- 238000012937 correction Methods 0.000 title claims abstract description 54
- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 241000532370 Atla Species 0.000 claims abstract description 128
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 238000010191 image analysis Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004456 color vision Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/40—Image enhancement or restoration by the use of histogram techniques
-
- G06T5/90—
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
Abstract
A kind of color correction of present invention offer and test device, including the first fixed plate, second fixed plate, light source and colour atla fix disk, first fixed plate is set to the top of second fixed plate, the light source is fixed in first fixed plate, the colour atla is fixed disk and is formed in second fixed plate, the light source is fixed disk with the colour atla and is oppositely arranged, the optical axis of the light source is fixed disk with the colour atla and is mutually perpendicular to, it includes multiple first colour atla fixing grooves that the colour atla, which fixes disk, the distance of each optical axis of the corresponding position of colour atla fixing groove away from the light source is equal.The device preferably can carry out white balance and colored test and correction to lighting source.
Description
Technical field
The present invention relates to colour correction field, especially a kind of color correction and test device.
Background technology
The color-aware process of machine is similar with human eye, illumination, object reflection characteristic and machine imaging system Spectral Properties
Property be color of image formed three principal elements.Different from the color vision characteristics of human eye, machine vision lacks automatic adaptability, light
According to transformation, image capturing system variation etc. will all cause the variation of image color data.Therefore, machine is imaged color data
The performance of illumination and imaging system in the imaging process that places one's entire reliance upon does not have the permanent long property of color and intelligent, this shortage general
Influence the application of machine imaging and vision system in every field.
In multiple fields such as medicine, TV, camera shootings, color correction is carried out, instrument lighting source is removed and image inputs, is defeated
Go out influence of the difference to color of image of equipment, the image data for obtaining true reflection observation object color has important meaning
Justice.At present for output equipment, such as display, computer screen etc., there is off-the-shelf equipment to carry out the color correction skill of color correction
Art is more mature.But few equipment being capable of influence of the correct for illumination light source to color.
Invention content
The purpose of the present invention is to provide a kind of color correction and test device, which can be preferably to lighting source
Carry out white balance and colored test and correction.
A kind of color correction of present invention offer and test device, including the first fixed plate, the second fixed plate, light source and colour atla
Fixed disk, first fixed plate are set to the top of second fixed plate, and the light source is fixed on first fixed plate
On, the colour atla is fixed disk and is formed in second fixed plate, and the light source is fixed disk with the colour atla and is oppositely arranged, described
The optical axis of light source is fixed disk with the colour atla and is mutually perpendicular to, and it includes multiple first colour atla fixing grooves that the colour atla, which fixes disk, each
The distance of optical axis of the corresponding position of colour atla fixing groove away from the light source is equal.
Further, the colour atla fixation disk is rounded, and multiple first colour atla fixing grooves fix disk along the colour atla
Circumferential lay.
Further, the shape of each first colour atla fixing groove is identical, and multiple first colour atla fixing grooves are along institute
The circumferential direction for stating colour atla fixation disk is uniformly distributed.
Further, the first colour atla fixing groove is round, fan-shaped, fans annular, triangle or rectangle.
Further, it further includes the second colour atla fixing groove that the colour atla, which fixes disk, multiple second colour atla fixing grooves with it is described
The distance of the optical axis of light source is equal.
Further, multiple first colour atla fixing grooves surround a circular ring shape, and the second colour atla fixing groove is set to
In the inner circle for the circular ring shape that multiple first colour atla fixing groove surrounds.
Further, the quantity of the second colour atla fixing groove is four, and four the second colour atla fixing grooves are in 2 × 2
Array distribution, the optical axis of the light source pass through the center of the array.
Further, multiple second colour atla fixing grooves form a circular ring shape, multiple second colour atla fixing groove
The center of circle of the circular ring shape of formation is located on the optical axis of the light source.
Further, a colored colour atla is placed in described every 1 first colour atla fixing groove, and every 1 second colour atla is solid
Determine to place a gray scale colour atla in slot.
Further, the color correction and test device further include flight data recorder, and the flight data recorder is sheathed on described first
Outside fixed plate and second fixed plate, the aperture for connection is also formed on the flight data recorder.
Further, the color correction test device further includes image collecting device and image analysis module, the figure
As harvester and the light source are set to jointly in first fixed plate, described image harvester is analyzed with described image
Module is electrical connected.
In conclusion the present invention fixes the setting of multiple first colour atla fixing grooves on disk by colour atla, and make every 1 first
Distance of the corresponding position away from light source optical axis is equal in colour atla fixing groove, reconfigures the position of each colour atla, final so that each
Distance of the corresponding position away from optical axis is equal on colour atla；When carrying out the test of light source colour color correction, due to the optical axis of light source
Distance away from the corresponding position of each colour atla is equal, and light source can be evenly radiated on each colour atla, this can preferably prevent
Only lead to the error of test result because the uneven illumination of light source is even, so as to preferably carry out color measurement to lighting source
And correction.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow the above and other objects, features and advantages of the present invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of color correction and test device that first embodiment of the invention provides.
Fig. 2 is the structural schematic diagram of the second fixed plate in Fig. 1.
Fig. 3 is the external structure schematic diagram of color correction and test device in Fig. 1.
Fig. 4 is the structural representation of the second fixed plate in the color correction that second embodiment of the invention provides and test device
Figure.
Specific implementation mode
It is of the invention to reach the technological means and effect that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, it is as follows that the present invention is described in detail.
The purpose of the present invention is to provide a kind of color correction and test device, which can be preferably to lighting source
Carry out white balance and colored test and correction.
Fig. 1 is the internal structure schematic diagram of color correction and test device that first embodiment of the invention provides, and Fig. 2 is figure
The structural schematic diagram of second fixed plate in 1, Fig. 3 are the external structure schematic diagram of color correction and test device in Fig. 1.Such as Fig. 1
Shown in Fig. 3, color correction and test device that first embodiment of the invention provides include the first fixed plate 10, the second fixed plate
20 and the support column 30 that is supported between the first fixed plate 10 and the second fixed plate 20, the first fixed plate 10 be located at the second fixed plate
20 top.
The side of second fixed plate 20 is provided with light source (not shown) in the first fixed plate 10, the optical axis of light source with
Second fixed plate 20 is vertical.In the present embodiment, it is provided with light source clamping part 11 in the first fixed plate 10, light source is pressed from both sides by light source
It holds portion 11 to be fixed in the first fixed plate 10, is provided on light source clamping part 11 and adjusts 11 clamping diameter of light source clamping part
Handle 12 is controlled, to meet the needs of fixed sizes light source.
Colour atla being formed with towards the direction of the first fixed plate 10 in second fixed plate 20 and fixing disk 40, colour atla fixes disk 40 and is in
Circle, it includes multiple first colour atla fixing grooves 41, circumferential direction of the multiple first colour atla fixing grooves 41 along fixed disk that colour atla, which fixes disk 40,
Arrangement is laid, and a colour atla is provided in every 1 first colour atla fixing groove 41, and optical axis and colour atla the fixation disk 40 of light source are vertical, and pass through
Cross colour atla fix disk 40 center, that is, in every 1 first colour atla fixing groove 41 optical axis of the corresponding position away from light source away from
From equal.
In the present embodiment, the setting of multiple first colour atla fixing grooves 41 on disk 40 is fixed by colour atla, and makes every 1 the
Distance of the corresponding position away from light source optical axis is equal in card fixing groove 41 of the same colour, to reconfigure the position of each colour atla, finally
So that distance of the corresponding position away from optical axis is equal on each colour atla.In the test and correction of white balance and colour into line light source
When, since the optical axis of light source is equal away from the distance of the corresponding position of each colour atla, light source can be evenly radiated on each colour atla,
This can preferably prevent from leading to the error of test result because the uneven illumination of light source is even.It can be preferably to lighting source
Carry out white balance and colored test and correction.
Further, in the present embodiment, in order to make in every 1 first colour atla fixing groove 41 corresponding position away from light source
The distance of optical axis is identical, and the shape of multiple first colour atla fixing grooves 41 can be made identical.Preferably, every 1 first color
The shape of card fixing groove 41 can be sector or fan annular, and multiple first colour atla fixing grooves 41 fix the circumferential equal of disk 40 along colour atla
Even laying.It fixes in disk 40 in a colour atla, is placed in the quantity of the first colour atla fixing groove 41 and the first colour atla fixing groove 41
The type of colour atla, can by white balance with depending on the demand of colored test and correction.
It is to be appreciated that the shape of the first colour atla fixing groove 41 can not also be limited to above-mentioned sector or fan annular, also may be used
Think round, triangle or rectangle etc., if the corresponding position of multiple first colour atla fixing grooves 41 and light source optical axis it
Between distance be equal.
Further, in order to enabling color correction provided by the invention and test device preferably to the white of light source
Balance and colored test and correction, colour atla fix disk 40 other than the first colour atla fixing groove 41, further include that the second colour atla is fixed
Slot 42, the distance of corresponding positional distance light source optical axis is identical in every 1 second colour atla fixing groove 42.In the present embodiment
In, every 1 first colour atla fixing groove 41 is a fan annular, and an annular, and the second color is collectively formed in multiple first colour atla fixing grooves 41
Card fixing groove 42 is set in the inner circle of the annular, and the second colour atla fixing groove 42 is four, four the second colour atla fixing grooves 42
Shape is identical, is rectangle, and is laid in 2 × 2 arrays, and the optical axis of light source passes through the center of the array.
When in use, a colored colour atla, such as red, yellow, green can be placed in every 1 first colour atla fixing groove 41
Equal colour atlas place a gray scale colour atla, such as white, light grey, Dark grey and black colour atla in every 1 second colour atla fixing groove 42.
Such laying, the test that color saturation can be carried out by the colour atla in the first colour atla fixing groove 41 correct, and pass through second
Colour atla in colour atla fixing groove 42 carries out the test correction of white balance.
The position of color lump and placement sequence are identical when in order to ensure to detect every time, and finger is additionally provided in the second fixed plate 20
Show arrow 21.
Ambient interferes the white balance of light source with colored test and correction in order to prevent, in the present embodiment
In, color correction and test device further include flight data recorder 50, and flight data recorder 50 is sheathed on the first fixed plate 10, support column 30 and second
Outside fixed plate 20.Also there are apertures 51 on the side wall of flight data recorder 50, in order to the connection of all kinds of circuits.It is also set on aperture 51
It is equipped with aperture adjusting device 52, is adjusted with the aperture to aperture 51.
Further, in the present embodiment, color correction and test device further include image collecting device and image analysis
Module, image collecting device are set to light source in the first fixed plate 10 jointly.Preferably, image collecting device and light source are common
An endoscope is formed, image collecting device is electrical connected by circuit and image analysis module, and image analysis module may be used
The softwares such as Matlab, PhotoShop handle image white balance and coloured image, can pass through gray world method, dynamic
The methods of threshold value automatic white balance method carries out white balance analysis, can also be balanced by fitting of a polynomial, least square method, histogram
The methods of change and gamma correction carry out colour correction.
Fig. 4 is the structural representation of the second fixed plate in the color correction that second embodiment of the invention provides and test device
Figure.As shown in figure 4, color correction and test device and the color correction in first embodiment that second embodiment of the invention provides
And the structure of test device is essentially identical, equally includes the first colour atla fixing groove 41 and the second colour atla fixing groove 42, Duo Ge
Card fixing groove 41 of the same colour forms a circular ring shape, and the second colour atla fixing groove 42 is set in the inner circle of the circular ring shape.Implement with first
Unlike example, in the present embodiment, multiple second colour atla fixing grooves 42 are laid along the circumferential direction of above-mentioned circular ring shape inner circle, same
A circular ring shape is formed, the center of circle of the circular ring shape is located on the optical axis of light source.
It is to be appreciated that in other embodiments, the shape of the second colour atla fixing groove 42 is not limited to above-mentioned shape, equally
Or fan-shaped, fan annular and triangle etc..
In the present embodiment, the number of the second colour atla fixing groove 42 is six, and a black can be arranged, and one white
The colour atla of color and four different gray scale grey.It is to be appreciated that the number of the second colour atla fixing groove can be according to correction and test
Needs depending on.
In conclusion the present invention fixes the setting of multiple first colour atla fixing grooves 41 on disk 40 by colour atla, and make each
Distance of the corresponding position away from light source optical axis is equal in first colour atla fixing groove 41, reconfigures the position of each colour atla, finally
So that distance of the corresponding position away from optical axis is equal on each colour atla；When carrying out the test of light source colour color correction, due to light source
Distance of the optical axis away from the corresponding position of each colour atla it is equal, light source can be evenly radiated on each colour atla, this can be compared with
It prevents from well leading to the error of test result because the uneven illumination of light source is even, so as to preferably carry out face to lighting source
Color is tested and correction.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as be without departing from technical solution of the present invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.
Claims (11)
1. a kind of color correction and test device, it is characterised in that：Including the first fixed plate, the second fixed plate, light source and colour atla
Fixed disk, first fixed plate are set to the top of second fixed plate, and the light source is fixed on first fixed plate
On, the colour atla is fixed disk and is formed in second fixed plate, and the light source is fixed disk with the colour atla and is oppositely arranged, described
The optical axis of light source is fixed disk with the colour atla and is mutually perpendicular to, and it includes multiple first colour atla fixing grooves that the colour atla, which fixes disk, each
The distance of optical axis of the corresponding position of colour atla fixing groove away from the light source is equal.
2. color correction according to claim 1 and test device, it is characterised in that：The colour atla fixation disk is rounded,
Multiple first colour atla fixing grooves are fixed the circumferential of disk along the colour atla and are laid.
3. color correction according to claim 2 and test device, it is characterised in that：Each first colour atla fixing groove
Shape it is identical, multiple first colour atla fixing grooves along the colour atla fix disk circumferential direction it is uniformly distributed.
4. color correction according to claim 3 and test device, it is characterised in that：The first colour atla fixing groove is circle
Shape, sector, fan annular, triangle or rectangle.
5. color correction according to claim 1 and test device, it is characterised in that：It further includes that the colour atla, which fixes disk,
Two colour atla fixing grooves, multiple second colour atla fixing grooves are equal at a distance from the optical axis of the light source.
6. color correction according to claim 5 and test device, it is characterised in that：Multiple first colour atla fixing grooves
A circular ring shape is surrounded, the second colour atla fixing groove is set to the interior of the circular ring shape that multiple first colour atla fixing groove surrounds
In circle.
7. color correction according to claim 5 and test device, it is characterised in that：The number of the second colour atla fixing groove
Amount is four, and four the second colour atla fixing grooves are in 2 × 2 array distributions, and the optical axis of the light source is by the array
The heart.
8. color correction according to claim 5 and test device, it is characterised in that：Multiple second colour atla fixing grooves
A circular ring shape is formed, the center of circle for the circular ring shape that multiple second colour atla fixing groove is formed is located on the optical axis of the light source.
9. color correction according to claim 5 and test device, it is characterised in that：Described every 1 first colour atla fixing groove
It is interior to place a colored colour atla, and a gray scale colour atla is placed in the every 1 second colour atla fixing groove.
10. color correction according to claim 1 and test device, it is characterised in that：The color correction and test dress
It further includes flight data recorder to set, and the flight data recorder is sheathed on outside first fixed plate and second fixed plate, in the flight data recorder
On be also formed with aperture for connection.
11. color correction according to claim 1 and test device, it is characterised in that：The color correction test device
Further include image collecting device and image analysis module, described image harvester is set to described first jointly with the light source
In fixed plate, described image harvester is electrical connected with described image analysis module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610277.4A CN108469302B (en) | 2018-06-13 | 2018-06-13 | Color correction and test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610277.4A CN108469302B (en) | 2018-06-13 | 2018-06-13 | Color correction and test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108469302A true CN108469302A (en) | 2018-08-31 |
| CN108469302B CN108469302B (en) | 2024-01-16 |
Family
ID=63260879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810610277.4A Active CN108469302B (en) | 2018-06-13 | 2018-06-13 | Color correction and test device |
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| Country | Link |
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| CN (1) | CN108469302B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110493510A (en) * | 2019-07-09 | 2019-11-22 | 维沃移动通信有限公司 | A kind of image processing method and terminal device |
| CN111292263A (en) * | 2020-01-21 | 2020-06-16 | 东华大学 | Image enhancement method based on color correction and deblurring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101939997A (en) * | 2007-12-10 | 2011-01-05 | 豪威科技有限公司 | Image sensor apparatus and method for color correction with an illuminant-dependent color correction matrix |
| CN104902153A (en) * | 2015-05-25 | 2015-09-09 | 北京空间机电研究所 | Color correction method for multi-spectrum cameras |
| WO2017121866A1 (en) * | 2016-01-15 | 2017-07-20 | Barco Nv | System and method for endoscope calibration |
| CN208350210U (en) * | 2018-06-13 | 2019-01-08 | 上海安翰医疗技术有限公司 | Color correction and test device |
-
2018
- 2018-06-13 CN CN201810610277.4A patent/CN108469302B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101939997A (en) * | 2007-12-10 | 2011-01-05 | 豪威科技有限公司 | Image sensor apparatus and method for color correction with an illuminant-dependent color correction matrix |
| CN104902153A (en) * | 2015-05-25 | 2015-09-09 | 北京空间机电研究所 | Color correction method for multi-spectrum cameras |
| WO2017121866A1 (en) * | 2016-01-15 | 2017-07-20 | Barco Nv | System and method for endoscope calibration |
| CN208350210U (en) * | 2018-06-13 | 2019-01-08 | 上海安翰医疗技术有限公司 | Color correction and test device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110493510A (en) * | 2019-07-09 | 2019-11-22 | 维沃移动通信有限公司 | A kind of image processing method and terminal device |
| CN111292263A (en) * | 2020-01-21 | 2020-06-16 | 东华大学 | Image enhancement method based on color correction and deblurring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108469302B (en) | 2024-01-16 |
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