CN103731665A - Digital camera image quality comprehensive detection device and method - Google Patents
Digital camera image quality comprehensive detection device and method Download PDFInfo
- Publication number
- CN103731665A CN103731665A CN201310739132.1A CN201310739132A CN103731665A CN 103731665 A CN103731665 A CN 103731665A CN 201310739132 A CN201310739132 A CN 201310739132A CN 103731665 A CN103731665 A CN 103731665A
- Authority
- CN
- China
- Prior art keywords
- test
- digital camera
- edge
- test section
- lamp box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Studio Devices (AREA)
Abstract
The invention discloses a digital camera image quality comprehensive detection device and method. The digital camera image quality comprehensive detection device comprises a lamp box and a test card, wherein the lamp box is of a cuboid structure with one end open, the illumination environment provided by the lamp box meets the requirements of the international and national standard for the detection illumination environment, and the test card is fixed to the center of a back plate of the lamp box. The test card comprises a test area and a scale area, wherein the test area comprises patterns through which the resolution ratio, the distortion and the like are detected, and the scale area is used for detecting the visual field rate. By means of the digital camera image quality comprehensive detection device, integration of shooting targets and the illumination environment is achieved, and related information such as the resolution ratio, the distortion and the visual field rate can be simultaneously obtained. By means of the digital camera image quality comprehensive detection method, the illumination environment adjusting step, the test card replacing step and the camera setting adjusting step in a universal detection method are omitted, and detection efficiency is improved.
Description
Technical field
The present invention relates to digital camera images quality testing field, particularly relate to digital camera images quality comprehensive checkout gear and method.
Background technology
Digital camera images quality overall evaluation relates to the test to resolution, distortion, GTG, noise, color rendition, the imaging uniformity, white balance, exposure error, the numerous parameters such as visual field rate of finding a view.International Standards Organization has successively promulgated a plurality of standards for the method for testing of digital camera, such as ISO12233, ISO15739, ISO14524 etc., and logarithmic code camera image resolution, noise, opto-electronic conversion function method of testing are stipulated respectively.For effective execution technique rules, enterprise's testing department, research and development of products department and social quality monitoring testing agency etc., all need establishing criteria to set up corresponding detectability.China has has formally issued and implemented < < GB/T29298-2012 numeral (code) camera general specification > > in 2013, in this standard, the parameters of logarithmic code camera has been done specification requirement, and method of testing is stipulated.
Yet in numerous standard guides and practical operation, the image that detects parameters all needs to gather respectively.Particularly, for the test item of the reflective test card of needs, for example, measuring resolution is used resolution chart, and distortion figure etc. is used in test distortion.After each parameter photographic images, all need to carry out a test card replacing and can carry out the collection of next parametric image.Due to the difference of specification between different test cards, both needed to readjust ambient lighting light fixture after changing card, to obtain the luminous environment of compound standard-required, need again to readjust digital camera to obtain best shooting effect.So repeatedly, waste resource and time.
Summary of the invention
The object of the invention is integration testing equipment, simplify test program, use a table apparatus, once take, complete digital camera resolution, the isoparametric detection of visual field rate distorts, finds a view.
One of technical problem to be solved by this invention is to provide a kind of method that logarithmic code camera carries out resolution, the parameters such as visual field rate that distort, find a view detect.Comprise the following steps:
1) open digital camera images quality comprehensive checkout gear, treat light stability 25-35 minute;
2) digital camera to be checked is positioned over to the dead ahead of described digital camera images quality comprehensive checkout gear, adjusts measuring distance, make test section just be full of view finder, scale district does not just appear in view finder;
3) use double frequency annulus to focus;
4) to test section, the wedge shape resolution test line, distortion test cross, horizontal direction frequency conversion square wave, horizontal direction low dip square-wave pulse, vertical direction frequency conversion square wave, vertical direction low dip square-wave pulse, test circle, the image compression observation area that comprise central authorities and four jiaos of places, take, obtain detecting photo;
5) adopt display to carry out interpretation to described detection photo, or employing image processing software obtain digital camera resolution to be checked, visual field rate information distorts and find a view.
Therein in an embodiment, after the step of described light stability 25-35 minute, if reuse after use first or device dismounting, adjust in addition the step of surface, test section illumination, concrete operations are: adjust fluorescent lamp light exit direction, utilize each region brightness value of illuminance meter read test district, the unevenness of surface, test section illumination is less than ± 10%.
Described detection method, while only reusing when using first or after device dismounting, comprise the step of adjusting light source, compare with universal method, saved before taking and changed test card, adjusted the step that lighting environment and adjustment camera arrange, reduce shooting number of times when multiple parameters is detected simultaneously, avoided the uncertainty that repeatedly debugging is introduced for test result.
Two of technical problem to be solved by this invention is to provide a kind of digital camera images quality comprehensive checkout gear that integrates test card and luminous environment.
Described digital camera images quality comprehensive checkout gear, comprises lamp box and test card, and described lamp box is the rectangular structure of an end opening, and described test card is fixed on the backboard central authorities of described lamp box;
Described test card comprises test section and scale district, and described scale district is around described test section, and described test section is rectangle, and the center of described test section is provided with double frequency annulus;
Described test section central authorities and four jiaos of wedge shape resolution test lines of locating to be equipped with horizontal direction and vertical direction, the wedge shape resolution test line of the wedge shape resolution test line of described horizontal direction and vertical direction is combined into cross;
Described test section diagonal, distance described test section center 0.1y, 0.5y, 0.8y, 0.9y place indicate respectively distortion test cross, the live part of described distortion test cross is right-angled intersection center, and wherein, y represents half of described test section catercorner length;
Described test section has the first edge, the second edge and the 3rd edge, and described the first edge is parallel with described the second edge, and described the 3rd edge and described the first edge are adjacent with described the second edge;
Described the first edge is provided with frequency conversion square wave and the test circle of the horizontal direction of 100LW/PH～1000LW/PH, on the neutrality line that is centered close to described test section of described test circle, described test circle is between described frequency conversion square wave and described double frequency annulus, and described test round belt has right-angled intersection and X to intersect;
Described the second edge is provided with horizontal direction low dip square-wave pulse;
Described the 3rd edge is provided with vertical direction frequency conversion square wave and the vertical direction low dip square-wave pulse of 100LW/PH～1000LW/PH;
Described scale district comprises the extended line part of the cornerwise extended line part in described test section and four limit neutrality lines.
In an embodiment, described test section is provided with image compression observation area therein, and described image compression observation area is positioned at described vertical direction low dip square-wave pulse top, and described image compression observation area is comprised of gridiron pattern and horizontal stroke, vertical, slanted bar line.
In an embodiment, the Length Ratio at described the first edge and described the 3rd edge is 3:4 therein, and the length at described the first edge is 972 millimeters, and the length at described the 3rd edge is 1296 millimeters.
In an embodiment, described test card is also provided with boundary alignment district therein, and one end, described boundary alignment district is positioned at described test section, and the other end is positioned at described scale district, and the length of described test card is 1750 millimeters, and width is 1300 millimeters.
In an embodiment, described lamp box inwall is coated with low layer of reflective material therein.
In an embodiment, described lamp box opening direction wall is equipped with fluorescent lighting fixture therein, and described fluorescent lighting fixture comprises fluorescent lamp and lampshade, and described fluorescent lighting fixture and described lamp box are rotationally connected.
In an embodiment, described lamp box bottom is provided with leg therein, and described leg bottom is provided with roller.
In an embodiment, the height of described leg is 600 millimeters therein, and the length of described backboard is 2400 millimeters, and width is 1800 millimeters; The thickness of described lamp box is 600 millimeters.
In above-mentioned digital camera images quality comprehensive checkout gear, test card is for photographic subjects figure, and lamp box is used to target figure that lighting environment is provided, and test section is for Measurement Resolution and distortion, and scale district is for measuring the visual field rate of finding a view.Wherein, double frequency annulus is for focusing, and described test section central authorities and the horizontal direction at four jiaos of places and the wedge shape resolution test line of vertical direction are respectively used to read level, the vertical resolution of digital camera central authorities and four jiaos." ten " word central authorities of diagonal are distortion test point.The frequency conversion square wave of the 100LW/PH～1000LW/PH at the first edge is for measuring the limiting resolution of vertical direction.The low dip square-wave pulse at the second edge is used for measuring vertical false signal ratio.The frequency conversion square wave of the 100LW/PH～1000LW/PH at the 3rd edge and low dip square-wave pulse are respectively used to measure limiting resolution and the horizontal false signal ratio of horizontal direction.Test circle is non-linear for checkout scanning.The length of test section and width are set to respectively 1296 millimeters and 972 millimeters, make test section and digital camera lens object space principal point apart from 30 times that are camera lens equivalent focal length, meet the requirement of 5.6.8.2 bar to distortion test chart in GB < < GB/T29298-2012 numeral (code) camera general specification > >.Support foot hight is set to 600 millimeters, and make to focus double frequency annulus and ground level keep 1500 millimeters, meets common user's operation height.For taking into account perfect embodiment of function of comprehensive detection device, and the volume of device is as far as possible little, and it is 600 millimeters that its thickness is set, and the length width of backboard is respectively 2400 millimeters and 1800 millimeters.
In sum, digital camera images quality comprehensive checkout gear,, and test section comprises resolution, the check pattern of the multiple parameters such as visual field rate that distort, find a view for light harvesting environment and test card.The resolution test of described test section meets < < GB/T29298-2012 numeral (code) camera general specification > >, < < JB/T10362-2010 digital camera > >, in < < GB/T19953-2005 digital camera resolution measurement > > and ISO12233 standard for the requirement of resoliving power test target.Distortion part of detecting meets GB < < GB/T29298-2012 numeral (code) camera general specification > > and the requirement of rower < < JB/T10362-2010 digital camera > > to distortion test chart.
Accompanying drawing explanation
Fig. 1 is the front view of the digital camera images quality comprehensive checkout gear of an execution mode;
Fig. 2 is the test card front view of the digital camera images quality comprehensive checkout gear of an execution mode;
Fig. 3 is the test section front view of the digital camera images quality comprehensive checkout gear of an execution mode
Fig. 4 is the end view of the digital camera images quality comprehensive checkout gear of an execution mode;
Fig. 5 is the sectional view of lamp box of the digital camera images quality comprehensive checkout gear of an execution mode;
Reference numeral:
10, lamp box; 20, test card; 210, test section; 220, scale district; 2100, double frequency annulus; 2102, wedge shape resolution test line; 2104, distortion test point; 212, the first edge; 214, the second edge; 216, the 3rd edge; 2120, frequency conversion square wave; 2122, test circle; 2124, square-wave pulse; 2126, image compression observation area; 230, boundary alignment district; 102, low layer of reflective material; 104, fluorescent lighting fixture; 12, leg; 14, roller.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to intension of the present invention in the situation that, so the present invention is not subject to the restriction of following public concrete enforcement.
The technical term the present invention relates to has:
Resolution: the tolerance that represents digital camera resolution image detail ability.
Distortion: because the size of lateral magnification with image height or visual field changes, thus a kind of aberration that loses analogy between object and image causing.Distortion does not affect the definition of picture.
False signal: when sample frequency is less than 2 times of highest frequency of signal of video signal, all side bands of the high frequency waves of sample frequency there will be overlapping noise.
Limiting resolution: the every image height line number that records of resolution test pattern to regulation, the average modulation degree that it equates corresponding to the reference frequency with regulation and modulation degree percentage thereof.
The visual field rate of finding a view: each length of side of subject scope of observing in view finder regulation region and the actual ratio that obtains the corresponding length of side of picture.
At present, the foundation as judge digital camera quality mainly with the specification requirement of GB < < GB/T29298-2012 numeral (code) camera general specification > > logarithmic code camera resolution, the visual field rate that distorts and find a view in the industry, its specific requirement is as follows:
Resolution judgment criteria:
Image sensor area is less than or equal to 200mm
2camera, visual field, center resolution is not less than: 0.55R
t, visual field, edge vision addressability is not less than: 0.45R
t, the camera that wherein zoom is greater than 8 times, visual field, edge vision addressability is not less than: 0.4R
t.Valid pixel be greater than 1,500 ten thousand with 1,500 ten thousand calculating.
Image sensor area is greater than 200mm
2camera, visual field, center resolution is not less than: 0.6R
t, visual field, edge vision addressability is not less than: 0.5R
t.
R
tby formula (1), determined:
R
t=(valid pixel number/image transverse and longitudinal ratio)
1/2(1)
In formula, R
tthe theoretical value that represents vision addressability, unit represents with the every image height of line number (LW/PH).
Distortion judgment criteria:
Relative distortion q at picture diagonal 0.5y and 0.8y place must not surpass ± 5%.For len changeable camera body, if do not carry at random camera lens, requirement is not done in distortion.
Note: y is effective image field radius, equals 1/2nd of picture catercorner length.
The visual field rate criterion of finding a view:
The visual field of finding a view must not exceed actual captured picture, the percentage of each length of side of visual field of finding a view and the actual captured corresponding length of side of picture:
A) the visual field rate of finding a view of paraxial optics view finder should be greater than 70%, and Single-sens reflex camera should be greater than 90%;
While b) finding a view by LCDs, the visual field rate of finding a view should be greater than 85%, and its off-centring must not surpass 4%.
Following logarithmic code camera image quality comprehensive detection method is described in detail, and concrete steps are:
1) open digital camera images quality comprehensive checkout gear, open lamphouse light source, treat light stability 25-35 minute;
2) digital camera to be checked is positioned over to the dead ahead of described digital camera images quality comprehensive checkout gear, adjusts measuring distance, make test section just be full of view finder, scale district does not just appear in view finder;
3) use double frequency annulus to focus;
4) to test section, the wedge shape resolution test line, distortion test cross, horizontal direction frequency conversion square wave, horizontal direction low dip square-wave pulse, vertical direction frequency conversion square wave, vertical direction low dip square-wave pulse, test circle, the image compression observation area that comprise central authorities and four jiaos of places, take, obtain detecting photo;
5) if reuse after use first or dismounting, need after light stability, adjust fluorescent lamp light exit direction, utilize each region brightness value of illuminance meter read test district, the unevenness of surface, test section illumination is less than ± 10%.
6) adopt display to carry out interpretation to described detection photo resolution, or employing image processing software obtain digital camera resolution to be checked, visual field rate information distorts and find a view.
Described detection method, while only reusing when using first or after device dismounting, comprise the step of adjusting light source, compare with universal method, saved before taking and changed test card, adjusted the step that lighting environment and adjustment camera arrange, reduce shooting number of times when multiple parameters is detected simultaneously, avoided the uncertainty that repeatedly debugging is introduced for test result.
Following logarithmic code camera image quality comprehensive checkout gear is explained in detail:
As shown in Figure 1-2, the digital camera images quality comprehensive checkout gear of an execution mode, comprises lamp box 10 and test card 20.Lamp box 10 is the rectangular structure of an end opening, and test card 20 is fixed on the backboard central authorities of lamp box 10.The backboard of lamp box 10 is over against the opening of lamp box 10.In the present embodiment, the length of test card 20 is 1750 millimeters, and width is 1300 millimeters; The length of backboard is 2400 millimeters, and width is 1800 millimeters; The thickness of lamp box 10 is 600 millimeters.
As shown in Figure 3,210 center, test section is provided with double frequency annulus 2100, for focusing, when filmed image, need to use double frequency annulus 2100 to carry out correctly to defocused filmed image.
It is parallel with the second edge 214 that test section 210 has the first edge 212, the second edge 214 and 216, the first edges 212, the 3rd edge, and the 3rd edge 216 and the first edge 212 are adjacent with the second edge 214.The first edge 212 is provided with frequency conversion square wave 2120 and the test circle 2122 of the horizontal direction of 100LW/PH～1000LW/PH.Frequency conversion square wave 2120 is for measuring the limiting resolution of vertical direction.Test circle 2122 is non-linear for checkout scanning.On the neutrality line that is centered close to test section 210 of test circle 2122, test circle 2122 is between frequency conversion square wave 2120 and double frequency annulus 2100, and test circle 2122 intersects with right-angled intersection and X.
The second edge 214 is provided with horizontal direction low dip square-wave pulse 2124.Be used for measuring vertical false signal ratio.
The 3rd edge 216 is provided with vertical direction frequency conversion square wave 2120 and the vertical direction low dip square-wave pulse 2124 of 100LW/PH～1000LW/PH.The 3rd edge 216 frequency conversion square waves 2120 are for measuring the limiting resolution of horizontal direction.Square-wave pulse 2124 is for measuring horizontal false signal ratio.
Scale district 220 comprises the extended line part of the cornerwise extended line part in described test section 210 and four limit neutrality lines, for the calculating of the visual field rate of finding a view.The extended line in scale district 220 is partly equipped with scale, and the starting point of scale is the frame of the test section 210 that extended line is corresponding, and the unit of scale is millimeter.
In the present embodiment, test section 210 is white background black scale, and scale district 220 is black background white scale.
In one embodiment, test section 210 is provided with image compression observation area 2126, and image compression observation area 2126 is positioned at the top of described vertical direction low dip square-wave pulse, and image compression observation area 2126 is comprised of gridiron pattern and horizontal stroke, vertical, slanted bar line.
In one embodiment, test card 20 is also provided with boundary alignment district 230, and 230 one end, boundary alignment district are positioned at test section 210, and the other end is positioned at scale district 220.Boundary alignment district 230 is for localizing objects border and indication centre position.In the present embodiment, boundary alignment district 230 is located at the intersection in 210Yu scale district, test section 220, and black and white wedge shape is respectively one group, and black wedge shape is positioned at test section 210, and white wedge shape is positioned at scale district 220.When taking, test section 210 is full of view finder, guarantees the just complete appearance of black wedge shape simultaneously, and white wedge shape does not just occur.
In one embodiment, the Length Ratio at the first edge 212 and the 3rd edge 216 is 3:4.In the present embodiment, the length at the first edge 212 is 972 millimeters, and the length at the 3rd edge 216 is 1296 millimeters.The size design at the first edge 212 and the 3rd edge 216 makes test card 20 and camera lens owner put distance for 30 times of camera lens equivalent focal length, meets the requirement of GB < < GB/T29298-2012 numeral (code) camera general specification > > to distortion test chart.
In one embodiment, lamp box 10 inwalls are coated with low layer of reflective material 102.Low layer of reflective material 102 can all absorb the light being mapped on inwall, avoids reverberation impact to take.In the present embodiment, low layer of reflective material 102 is black material.
In one embodiment, lamp box 10 opening direction walls are equipped with fluorescent lighting fixture 104, and fluorescent lighting fixture 104 is rotationally connected with lamp box.
In the present embodiment, the angle between fluorescent lighting fixture 104 and lamp box 10 can regulate between 0-90 °, thus make the exit direction of light be 0-90 ° adjustable.Fluorescent lighting fixture 104 comprises fluorescent lamp and lampshade two parts, and lampshade can avoid lighting source directly to enter digital camera lens.By adjusting the irradiating angle of fluorescent lamp, can so that the surperficial uneven illumination evenness of test card 20 be less than ± 10%.In the present embodiment, the inside surrounding of lamp box 10 is equipped with respectively the fluorescent lamp that colour temperature is 5500K.The quantity of the fluorescent lamp on every inwall can be both one, can be also two or many.
As shown in Figure 4 and Figure 5, in one embodiment, lamp box 10 bottoms are provided with leg 12, and leg 12 bottoms are provided with roller 14.Roller 14 is set, can facilitates the movement of image detection device.In the present embodiment, the height of leg 12 is 600 millimeters.
Above-mentioned digital camera images quality comprehensive checkout gear, because test card 20 is fixed in lamp box 10, the luminous environment of at every turn taking is consistent, reusing after use and dismounting first, each lighting environment that can reach standard-required without adjustment light source of taking.Test section 210 integrates definition, the several functions such as visual field rate that distort, find a view, and once takes the relevant information that just can obtain two above parameters, has saved time and resource.And test section 210 resolution tests meet < < GB/T29298-2012 numeral (code) camera general specification > >, < < JB/T10362-2010 digital camera > >, in < < GB/T digital camera resolution measurement > > and ISO12233 standard for the requirement of resoliving power test target.Distortion part of detecting meets GB < < GB/T29298-2012 numeral (code) camera general specification > > and the requirement of rower < < JB/T10362-2010 digital camera > > to distortion test chart.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a digital camera images quality determining method, is characterized in that, comprises the following steps:
1) open digital camera images quality comprehensive checkout gear, treat light stability 25-35 minute;
2) digital camera to be checked is positioned over to the dead ahead of described digital camera images quality comprehensive checkout gear, adjusts measuring distance, make test section just be full of view finder, scale district does not just appear in view finder;
3) use double frequency annulus to focus;
4) to test section, the wedge shape resolution test line, distortion test cross, horizontal direction frequency conversion square wave, horizontal direction low dip square-wave pulse, vertical direction frequency conversion square wave, vertical direction low dip square-wave pulse, test circle, the image compression observation area that comprise central authorities and four jiaos of places, take, obtain detecting photo;
5) adopt display to carry out interpretation to described detection photo, or employing image processing software obtain digital camera resolution to be checked, visual field rate information distorts and find a view.
2. digital camera images quality determining method according to claim 1, it is characterized in that, described in treat the step of light stability 25-35 minute after, if use first or device dismounting after reuse, the step of adjusting in addition surface, test section illumination, concrete operations are:
Adjust fluorescent lamp light exit direction, utilize each region brightness value of illuminance meter read test district, the unevenness of surface, test section illumination is less than ± 10%.
3. a digital camera images quality comprehensive checkout gear, is characterized in that, comprises lamp box and test card, and described lamp box is the rectangular structure of an end opening, and described test card is fixed on the backboard central authorities of described lamp box;
Described test card comprises test section and scale district, and described scale district is around described test section, and described test section is rectangle, and the center of described test section is provided with double frequency annulus;
Described test section central authorities and four jiaos of wedge shape resolution test lines of locating to be equipped with horizontal direction and vertical direction, the wedge shape resolution test line of the wedge shape resolution test line of described horizontal direction and vertical direction is combined into cross;
Described test section diagonal, distance described test section center 0.1y, 0.5y, 0.8y, 0.9y place indicate respectively distortion test cross, and wherein, y represents half of described test section catercorner length, and the live part of described distortion test is right-angled intersection center;
Described test section has the first edge, the second edge and the 3rd edge, and described the first edge is parallel with described the second edge, and described the 3rd edge and described the first edge are adjacent with described the second edge;
Described the first edge is provided with frequency conversion square wave and the test circle of 100LW/PH～1000LW/PH horizontal direction, on the neutrality line that is centered close to described test section of described test circle, described test circle is between described frequency conversion square wave and described double frequency annulus, and described test round belt has right-angled intersection and X to intersect;
Described the second edge is provided with horizontal direction low dip square-wave pulse;
Described the 3rd edge is provided with vertical direction frequency conversion square wave and the vertical direction low dip square-wave pulse of 100LW/PH～1000LW/PH;
Described scale district comprises the extended line part of the cornerwise extended line part in described test section and four limit neutrality lines.
4. digital camera images quality comprehensive checkout gear according to claim 3, it is characterized in that, described test section is provided with image compression observation area, described image compression observation area is positioned at the top of described vertical direction low dip square-wave pulse, and described image compression observation area is comprised of gridiron pattern and horizontal stroke, vertical, slanted bar line.
5. digital camera images quality comprehensive checkout gear according to claim 3, is characterized in that, the Length Ratio at described the first edge and described the 3rd edge is 3:4, and the length at described the first edge is 972 millimeters, and the length at described the 3rd edge is 1296 millimeters.
6. digital camera images quality comprehensive checkout gear according to claim 3, it is characterized in that, described test card is provided with boundary alignment district, one end, described boundary alignment district is positioned at described test section, the other end is positioned at described scale district, the length of described test card is 1750 millimeters, and width is 1300 millimeters.
7. digital camera images quality comprehensive checkout gear according to claim 3, is characterized in that, described lamp box inwall is coated with the low layer of reflective material of black.
8. digital camera images quality comprehensive checkout gear according to claim 3, is characterized in that, described lamp box opening direction wall is equipped with fluorescent lighting fixture, and described fluorescent lighting fixture comprises fluorescent lamp and lampshade, and described fluorescent lighting fixture and described lamp box are rotationally connected.
9. digital camera images quality comprehensive checkout gear according to claim 3, is characterized in that, described lamp box bottom is provided with leg, and described leg bottom is provided with roller.
10. digital camera images quality comprehensive checkout gear according to claim 9, is characterized in that, the height of described leg is 600 millimeters, and the length of described backboard is 2400 millimeters, and width is 1800 millimeters; The thickness of described lamp box is 600 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310739132.1A CN103731665B (en) | 2013-12-25 | 2013-12-25 | digital camera image quality comprehensive detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310739132.1A CN103731665B (en) | 2013-12-25 | 2013-12-25 | digital camera image quality comprehensive detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103731665A true CN103731665A (en) | 2014-04-16 |
| CN103731665B CN103731665B (en) | 2015-12-02 |
Family
ID=50455568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310739132.1A Active CN103731665B (en) | 2013-12-25 | 2013-12-25 | digital camera image quality comprehensive detection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103731665B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932682A (en) * | 2014-05-07 | 2014-07-23 | 中国计量科学研究院 | Three-dimensional resolution panel for evaluating imaging performance of OCT equipment and use method thereof |
| CN104438131A (en) * | 2014-10-30 | 2015-03-25 | 安徽捷迅光电技术有限公司 | Camera translation correcting tool |
| CN104811692A (en) * | 2015-04-09 | 2015-07-29 | 南昌欧菲光电技术有限公司 | Picture for testing shooting die set and method thereof |
| CN105323579A (en) * | 2014-07-10 | 2016-02-10 | 宁波舜宇光电信息有限公司 | Gesture recognition module test machine and test method thereof |
| CN106153302A (en) * | 2015-03-24 | 2016-11-23 | 北京威斯顿亚太光电仪器有限公司 | A kind of measuring method for rigid pipe endoscope image deformation |
| CN106454327A (en) * | 2016-10-17 | 2017-02-22 | 芜湖赋兴光电有限公司 | Camera imaging detection apparatus |
| CN106454325A (en) * | 2016-10-12 | 2017-02-22 | 芜湖赋兴光电有限公司 | Mobile phone camera module distortion test method |
| CN106878617A (en) * | 2017-03-06 | 2017-06-20 | 中国计量大学 | A kind of focusing method and system |
| CN106991647A (en) * | 2017-03-29 | 2017-07-28 | 华中科技大学 | A kind of low signal-to-noise ratio (SNR) images reconstructing method and system |
| CN107209111A (en) * | 2015-01-31 | 2017-09-26 | 文塔纳医疗系统公司 | The quality control of the overall slide analysis of automation |
| CN108881901A (en) * | 2018-09-17 | 2018-11-23 | 安徽星格科技有限公司 | A kind of the resolution detection device and detection method of text and number |
| CN109141829A (en) * | 2018-07-23 | 2019-01-04 | 北京大恒图像视觉有限公司 | A kind of detection method of target line sharpness computation and industrial camera rear cut-off distance |
| CN109151453A (en) * | 2018-07-23 | 2019-01-04 | 北京大恒图像视觉有限公司 | A kind of target for industrial camera detection |
| CN109587475A (en) * | 2019-01-03 | 2019-04-05 | 北京理工大学 | Digital camera dynamic resolution measuring technique and device |
| CN110049319A (en) * | 2019-05-09 | 2019-07-23 | 王博文 | A kind of camera clarity detection method and clarity detect graph card |
| CN110139093A (en) * | 2019-04-11 | 2019-08-16 | 歌尔股份有限公司 | A kind of method, apparatus and electronic equipment obtaining viewing field of camera amount of distortion |
| CN111031311A (en) * | 2020-01-14 | 2020-04-17 | 深圳安智杰科技有限公司 | Imaging quality detection method and device, electronic equipment and readable storage medium |
| WO2020107196A1 (en) * | 2018-11-27 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Photographing quality evaluation method and apparatus for photographing apparatus, and terminal device |
| CN111579220A (en) * | 2020-05-29 | 2020-08-25 | 江苏迪盛智能科技有限公司 | Resolution board |
| CN112927183A (en) * | 2021-01-13 | 2021-06-08 | 上海商米科技集团股份有限公司 | Lens module detection method and system of specific image recognition equipment |
| US20230088893A1 (en) * | 2021-09-18 | 2023-03-23 | Triple Win Technology(Shenzhen) Co.Ltd. | Resolution test card for camera module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003259400A (en) * | 2002-02-28 | 2003-09-12 | Olympus Optical Co Ltd | Instrument and method for measuring resolution, and image processing apparatus and processing method |
| CN101078872A (en) * | 2006-05-22 | 2007-11-28 | 比亚迪股份有限公司 | Transmission type film test card for camera test and its usage method |
| US20120013760A1 (en) * | 2010-07-16 | 2012-01-19 | Stmicroelectronics (Research & Development) Limited | Characterization of image sensors |
| CN203827466U (en) * | 2013-12-25 | 2014-09-10 | 广州计量检测技术研究院 | Apparatus for comprehensive inspection of image quality of digital camera |
-
2013
- 2013-12-25 CN CN201310739132.1A patent/CN103731665B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003259400A (en) * | 2002-02-28 | 2003-09-12 | Olympus Optical Co Ltd | Instrument and method for measuring resolution, and image processing apparatus and processing method |
| CN101078872A (en) * | 2006-05-22 | 2007-11-28 | 比亚迪股份有限公司 | Transmission type film test card for camera test and its usage method |
| US20120013760A1 (en) * | 2010-07-16 | 2012-01-19 | Stmicroelectronics (Research & Development) Limited | Characterization of image sensors |
| CN203827466U (en) * | 2013-12-25 | 2014-09-10 | 广州计量检测技术研究院 | Apparatus for comprehensive inspection of image quality of digital camera |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932682B (en) * | 2014-05-07 | 2015-10-28 | 中国计量科学研究院 | A kind of dimensional resolution plate for the evaluation of OCT equipment imaging performance and using method thereof |
| CN103932682A (en) * | 2014-05-07 | 2014-07-23 | 中国计量科学研究院 | Three-dimensional resolution panel for evaluating imaging performance of OCT equipment and use method thereof |
| CN105323579A (en) * | 2014-07-10 | 2016-02-10 | 宁波舜宇光电信息有限公司 | Gesture recognition module test machine and test method thereof |
| CN104438131A (en) * | 2014-10-30 | 2015-03-25 | 安徽捷迅光电技术有限公司 | Camera translation correcting tool |
| CN107209111A (en) * | 2015-01-31 | 2017-09-26 | 文塔纳医疗系统公司 | The quality control of the overall slide analysis of automation |
| US11328420B2 (en) | 2015-01-31 | 2022-05-10 | Ventana Medical Systems, Inc. | Quality control of automated whole-slide analyses |
| CN106153302A (en) * | 2015-03-24 | 2016-11-23 | 北京威斯顿亚太光电仪器有限公司 | A kind of measuring method for rigid pipe endoscope image deformation |
| CN106153302B (en) * | 2015-03-24 | 2019-03-12 | 北京威斯顿亚太光电仪器有限公司 | A kind of measurement method for rigid pipe endoscope image deformation |
| CN104811692A (en) * | 2015-04-09 | 2015-07-29 | 南昌欧菲光电技术有限公司 | Picture for testing shooting die set and method thereof |
| CN106454325A (en) * | 2016-10-12 | 2017-02-22 | 芜湖赋兴光电有限公司 | Mobile phone camera module distortion test method |
| CN106454327A (en) * | 2016-10-17 | 2017-02-22 | 芜湖赋兴光电有限公司 | Camera imaging detection apparatus |
| CN106878617A (en) * | 2017-03-06 | 2017-06-20 | 中国计量大学 | A kind of focusing method and system |
| CN106878617B (en) * | 2017-03-06 | 2019-05-31 | 中国计量大学 | A kind of focusing method and system |
| CN106991647B (en) * | 2017-03-29 | 2019-07-19 | 华中科技大学 | A kind of low signal-to-noise ratio (SNR) images reconstructing method and system |
| CN106991647A (en) * | 2017-03-29 | 2017-07-28 | 华中科技大学 | A kind of low signal-to-noise ratio (SNR) images reconstructing method and system |
| CN109141829B (en) * | 2018-07-23 | 2020-10-09 | 北京大恒图像视觉有限公司 | Target line definition calculation and industrial camera rear intercept detection method |
| CN109141829A (en) * | 2018-07-23 | 2019-01-04 | 北京大恒图像视觉有限公司 | A kind of detection method of target line sharpness computation and industrial camera rear cut-off distance |
| CN109151453A (en) * | 2018-07-23 | 2019-01-04 | 北京大恒图像视觉有限公司 | A kind of target for industrial camera detection |
| CN108881901A (en) * | 2018-09-17 | 2018-11-23 | 安徽星格科技有限公司 | A kind of the resolution detection device and detection method of text and number |
| WO2020107196A1 (en) * | 2018-11-27 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Photographing quality evaluation method and apparatus for photographing apparatus, and terminal device |
| CN109587475A (en) * | 2019-01-03 | 2019-04-05 | 北京理工大学 | Digital camera dynamic resolution measuring technique and device |
| CN109587475B (en) * | 2019-01-03 | 2022-07-26 | 北京理工大学 | Method for measuring dynamic resolution of digital camera |
| CN110139093B (en) * | 2019-04-11 | 2021-06-11 | 歌尔光学科技有限公司 | Method and device for acquiring camera view field distortion and electronic equipment |
| CN110139093A (en) * | 2019-04-11 | 2019-08-16 | 歌尔股份有限公司 | A kind of method, apparatus and electronic equipment obtaining viewing field of camera amount of distortion |
| CN110049319A (en) * | 2019-05-09 | 2019-07-23 | 王博文 | A kind of camera clarity detection method and clarity detect graph card |
| CN111031311A (en) * | 2020-01-14 | 2020-04-17 | 深圳安智杰科技有限公司 | Imaging quality detection method and device, electronic equipment and readable storage medium |
| CN111031311B (en) * | 2020-01-14 | 2021-07-16 | 深圳安智杰科技有限公司 | Imaging quality detection method and device, electronic equipment and readable storage medium |
| CN111579220A (en) * | 2020-05-29 | 2020-08-25 | 江苏迪盛智能科技有限公司 | Resolution board |
| CN111579220B (en) * | 2020-05-29 | 2023-02-10 | 江苏迪盛智能科技有限公司 | Resolution ratio board |
| CN112927183A (en) * | 2021-01-13 | 2021-06-08 | 上海商米科技集团股份有限公司 | Lens module detection method and system of specific image recognition equipment |
| US20230088893A1 (en) * | 2021-09-18 | 2023-03-23 | Triple Win Technology(Shenzhen) Co.Ltd. | Resolution test card for camera module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103731665B (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103731665B (en) | digital camera image quality comprehensive detection device and method | |
| CN203827466U (en) | Apparatus for comprehensive inspection of image quality of digital camera | |
| CN110324611B (en) | Camera module detection system and detection method | |
| CN101452199B (en) | Modulation transfer function value measurement method | |
| CN202734958U (en) | Brightness and illumination measuring system for road lighting | |
| CN105486700B (en) | System for detecting transparent object defects and using method thereof | |
| CN110299114A (en) | Judgment method, device and the storage medium of show uniformity | |
| CN103336404B (en) | A kind of lens test device and method | |
| TWI247106B (en) | Defect inspection apparatus | |
| CN105486489A (en) | Television imaging system modulation transfer function test device and method | |
| WO2018054090A1 (en) | Light detection system and light detection device | |
| JP6420506B2 (en) | Measuring device, system, method, and program | |
| CN106501267A (en) | Linear light source device and system for surface defects detection | |
| CN107449587A (en) | The device and method of inhomogeneities in a kind of test probe pixel | |
| CN101840576A (en) | Method for visually testing resolution of each imaging area of digital camera | |
| KR101739096B1 (en) | Device and method for inspecting external appearance of display panel | |
| CN203259248U (en) | Portable colorimeter | |
| CN101435697A (en) | Method and system for detecting position of through hole | |
| CN108010071A (en) | A kind of Luminance Distribution measuring system and method using 3D depth surveys | |
| CN212134036U (en) | Stray light testing device for projection lens | |
| CN114441141B (en) | Laser projector space speckle contrast measuring method and device | |
| CN206369625U (en) | A kind of optical lens is as matter on-line detector | |
| CN108803097A (en) | The detection method and detection device of pixel dark-state light leakage | |
| KR20160149883A (en) | An apparatus for inspecting a lens defect | |
| CN204330129U (en) | The brightness detection instrument of built-in light source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |