CN104104761A - Automatic detection system and detection method for mobile phone camera - Google Patents
Automatic detection system and detection method for mobile phone camera Download PDFInfo
- Publication number
- CN104104761A CN104104761A CN201310122504.6A CN201310122504A CN104104761A CN 104104761 A CN104104761 A CN 104104761A CN 201310122504 A CN201310122504 A CN 201310122504A CN 104104761 A CN104104761 A CN 104104761A
- Authority
- CN
- China
- Prior art keywords
- test
- mobile phone
- control unit
- module
- test pattern
- 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.)
- Pending
Links
Abstract
Disclosed is an automatic detection system for a mobile phone camera. The system comprises a test clamp module for placing a mobile phone; a signal feedback device for leading out a test result; a control unit which is electrically connected with the test clamp module through a test control line so as to control a test to start or end and output whether the test result is qualified and is eclectically connected with the mobile phone through a shooting control line so as to send a shooting instruction and feed a shot test image; and a test cart card module which is opposite to the test clamp module for shooting and comparison of the camera. The mobile phone is placed on the test clamp module, a control interface module sends a signal to be detected to the control unit, the control unit sends a test starting instruction to the mobile phone through the shooting control line so as to drive the mobile phone to start a test, after the test card chart module is shot, the mobile phone transmits a detected image to the control unit through the shooting control line for comparison calibration, and the control unit, according to a comparison analysis result, gives a feedback to a signal feedback device so as to output and display whether the test result is qualified.
Description
Technical field
The present invention relates to mobile phone test field, refer to especially automatic checkout system and detection method for mobile phone camera.
Background technology
Along with the develop rapidly of mobile communication technology, consumer is also more and more higher to the requirement of mobile terminal, and the numerous and confused characteristic attraction that proposes oneself of each manufacturer, comprising the camera shooting effect that improves mobile terminal.Mobile terminal is varied, comprises mobile phone, panel computer, video telephone, automatic navigator etc.Wherein, smart mobile phone is focused on camera shooting effect especially.In factory's manufacture process, increase the test that camera detects, can guarantee the shooting quality of mobile terminal.But along with the scale that mobile terminal is manufactured is increasing, the cost of human resources is more and more higher, only has and reduces as much as possible testing cost and more effective automated production, guarantee mobile terminal product quality and production control cost.This production test specification requirement to mobile terminal product is also more and more higher.
At present general camera detection scheme is all deposited certain defect:
1, existing mobile phone camera detects the image of taking by the artificial hand machine of shaking hands, whether with the image that artificial judgment is taken, analyse clearly, because inconsistent easily the causing of image that the shake of hand is taken judges by accident, this kind of determination methods subjectivity is strong again, easily erroneous judgement, production efficiency is low.
2, whether existing mobile phone camera detects by the graph card to single and takes and adopt subjective judgement image clear, in testing process, according to the project detecting, need to convert graph card, and this kind of determination methods subjectivity is strong, easily erroneous judgement, and production efficiency is low.
3, existing mobile phone camera machine testing can not quantize distribution and the grey scale change of picture color by checkout equipment, can not preserve detection data and offer technical staff's analysis.
4, existing mobile phone camera checkout equipment is that single equipment does not utilize powerful computer to carry out system connection, can not effectively carry out factory's Manufacture Execution management.
Therefore, for above-mentioned defect, be necessary to provide a kind of system and method that can automatically detect mobile phone camera, the accuracy and the detection efficiency that effectively to improve camera, detect.
Summary of the invention
Based on the deficiencies in the prior art, main purpose of the present invention is to provide a kind of detection system that can automatically the camera of mobile phone be taken pictures and be tested, and automatically institute's altimetric image is compared, obtain detection system and the method for the testing result of high accuracy, high accuracy.
The automatic checkout system that the invention provides a kind of mobile phone camera, it comprises:
Test fixture module, it,, for putting mobile phone, is provided with control interface module, and it is for controlling the output feedback of test result and feeding back sense switch signal to control unit;
Signal feedback device, it is for deriving test result;
Control unit, is connected with control interface module by test control line, and whether to control the startup of test or to close, and it is qualified to output test result;
Control unit is electrically connected to mobile phone by the control line of taking pictures, and to send photographing instruction, and feeds back captured test pattern;
Test pattern module, relative with test fixture module, for camera, take comparison;
Mobile phone with camera is placed in test fixture module, control interface module sends test massage to control unit, control unit sends shooting instruction by the control line of taking pictures to mobile phone, camera is taken after test pattern module, mobile phone transfers to control unit by captured test pattern by the control line of taking pictures, whether test pattern and standard picture are carried out to initial point calibration, and control unit feeds back to signal feedback device according to the analysis result of test pattern, qualified with output display test result.
Preferably, described test fixture is installed on holder, it is provided with the sense switch being electrically connected to control interface module, when mobile phone is placed in test fixture module and downwards during pressing detection switch, electrical connection signal is low level, control interface module starts testing software by test control line feedback test signal to control unit, when mobile phone is removed test fixture module, sense switch resets, electrical connection signal is high level, and control interface module is stopped or interrupted detection signal to control unit by test control line feedback.
Described signal feedback device includes signal lamp and the alarm being electrically connected to control interface module,, for exporting respectively index signal according to test result.When after having tested, if test result is qualified, control unit sends test passes instruction to control interface module, and control interface module drive signal feedback device starts green light, and the signal of reporting to the police has been tested; If test result is defective, control unit sends test failure instruction to control interface module, and control interface module drive signal feedback device starts red light, and the signal of reporting to the police has been tested.
Described holder is assemblied in to be taken on box, described shooting box comprises upper cartridge body and the lower box body mutually snapping together, described test fixture is arranged on upper cartridge body, described test pattern module is located in lower box body, its test fixture is provided with takes hole, and described mobile phone camera, shooting hole and test pattern module are on same straight line.
The side of described upper cartridge body and lower box body is provided with up-down adjustment holddown groove, before and after being provided with between described holder and upper cartridge body, regulate holddown groove, between described test fixture and holder, be provided with left and right adjusting holddown groove, described respectively adjusting in holddown groove is provided with adjustment screw, for adjusting respectively the relative position of each controlled plant.By described adjustment screw is mobile in regulating holddown groove, adjust respectively the height between upper cartridge body and lower box body, the front and back position of holder on upper cartridge body, the left and right position of test fixture on holder.
Described test pattern module comprises successively stacked light source, light guide plate and graph card mutually, starts light source, can illuminate the graph card being placed in light guide plate, has standard initial point, several gradual change gray scale square, monochromatic color square and coloured picture on described test pattern.
The present invention also provides the automatic testing method of mobile phone camera, and it comprises the following steps:
Step 1) is placed in mobile phone to be detected on the test fixture of holder, when the downward pressing detection switch of mobile phone, triggers control interface module and sends measured signal to control unit, and control unit starts testing software, starts test;
Step 2) control unit sends and takes instruction to mobile phone, drives it to start mobile phone camera and takes test pattern module, obtains test pattern;
Step 3) transfers to control unit by described test pattern, uses image analysis software that test pattern and standard picture are carried out to automatic comparison calibration, and image ratio is exported result feedback to test fixture.
The coordinate figure of reference origin, gray scale segment, color segment in step 3) record standard image, and the standard grey-scale range value of gray scale segment, standard color reduction degree value range and the color image data of color segment, then by standard picture, be reference object, test pattern carried out to position correction, GTG detection, the detection of color rendition degree and coloured image contrast and detect.
Preferably, further comprising the steps in step 3):
Step 31) position correction, adjustment that test pattern is compared with the coordinate figure of reference origin in standard picture, makes the position consistency of test pattern and standard picture;
Step 32) GTG detects, coordinate by each gray scale segment takes out gray scale segment, and gray scale segment is changed into greyish white format picture, and by greyish white format picture analytical calculation, go out gray scale block diagram, according to the distribution of gray scale block diagram, analyze and judge that gray value is whether in setting range;
Step 33) color rendition degree detects, and the coordinate by each color segment takes out every color segment, color segment is carried out to analytical calculation and go out colourama spectrogram, distributes to analyze to judge that color rendition degree is whether in setting range according to colourama spectrogram;
Step 34) coloured image contrast detects, the segment that takes out coloured image by the coordinate of coloured image, carries out after denoising coloured image, carries out computational analysis comparison with standard coloured image segment, draw matching value, according to matching value, judge that coloured image is whether in setting range.
Compared with prior art, the automatic checkout system of mobile phone camera of the present invention and detection method have the following advantages:
1) adopted the combined magazine forming of height adjustable upper and lower box body as taking box, adjustment is shifted in up-down adjustment holddown groove by screw, realize the Level Change of taking box, make the tester can be according to the difference of surveyed mobile phone, adjust the distance between camera and test pattern, obtain best photographic images, needn't carry out dismounting to taking box, reduce the error of taking pictures, greatly improved the efficiency of test; Similarly, in order to realize the fine setting to mobile phone photograph position, by left and right adjusting holddown groove and front and back, regulate holddown groove, respectively the position of test fixture and holder is finely tuned, met the requirement of different mobile phone camera diverse locations;
2) on test pattern, be provided with reference origin and multiple gray scale segment, mono-color piece and coloured image, by importing in control unit, adopt image detection software that above-mentioned each parameter of test pattern and standard picture is carried out respectively to automatically compare of analysis, according to comparison result, judge whether camera detects qualified, be provided with reference origin, to facilitate, test pattern and standard picture have been carried out to position correction, reduce the deviation of each detection of handset placement location and had influence on test result, and guaranteed the display effect of test pattern, detect with multiple color lump in several ways, improved the accuracy of detection of camera, greatly reduced the error in judgement of human eye comparison, detection efficiency and accuracy obviously improve,
3) test data is preserved automatically, so that test data is saved in database, guaranteed that test data has trackability, for tester's subsequent analysis and research; Meanwhile, this automatic checkout system can be connected to the MES system of factory, is convenient to the production and administration of product, has guaranteed the quality of product.
Accompanying drawing explanation
Fig. 1 is the structure chart of the automatic checkout system of a kind of mobile phone camera of the present invention;
Fig. 2 is the circuit module block diagram of the automatic checkout system of a kind of mobile phone camera of the present invention;
Fig. 3 is the test pattern side schematic view of the automatic checkout system of a kind of mobile phone camera of the present invention;
Fig. 4 is the flow chart of the automatic testing method of a kind of mobile phone camera of the present invention.
Embodiment
Shown in seeing figures.1.and.2, the automatic checkout system that the invention provides a kind of mobile phone camera, it comprises: test fixture module 100, it is for putting mobile phone 1, be provided with control interface module 10, it is for controlling the output feedback of test result and feeding back sense switch signal to control unit; Signal feedback device 200, it is for deriving test result; Control unit 300, test control terminal and test pattern comparison terminal, by test control line 30, be electrically connected to control interface module 10, to control the startup of test or to close, whether and it is qualified to output test result, control unit 300 is electrically connected to mobile phone by the control line 32 of taking pictures, and to send photographing instruction, and feeds back captured test pattern; Test pattern module 400, relative with test fixture module 100, for camera, take comparison.When the mobile phone with camera is placed in test fixture module 100, control interface module 10 sends test massage to control unit 300, control unit 300 sends and takes instruction to mobile phone by taking control line 32, camera is taken after test pattern module 400, mobile phone 800 transfers to control unit 300 by captured test pattern by the control line 32 of taking pictures, test pattern and standard picture are carried out to initial point calibration, whether control unit 300 feeds back to signal feedback device 200 according to the analysis result of test pattern, qualified with output display test result.
Wherein, test fixture module 100 is installed on holder 500, it is provided with the sense switch 12 being electrically connected to control interface module 10, it is elastic contact switch, for testing mobile phone, whether enter test ready state, when mobile phone is placed in test fixture module 100 and downwards during pressing detection switch 12, electrical connection signal is low level, control interface module 10 starts testing software by test control line 30 feedback test signals to control unit 300, illustrate that mobile phone is ready and start to detect in test fixture module 100, when control unit 300 receives after test signal, can to mobile phone, send and take instruction by control unit 300, to drive the test of taking pictures of its camera that starts mobile phone, when mobile phone is removed test fixture module 100, sense switch 12 reset of upspringing, electrical connection signal is high level, control interface module 10 is stopped or is interrupted detection signal to control unit 300 by test control line 30 feedbacks.Can be to the present situation of control unit 300 feedback test fixture modules 100 by test control line 30, and according to the present situation of test fixture module 100, drive handset starting camera under the state to be measured test pattern of taking pictures, with this, come detection of handset whether to place appropriate and ready, avoid the error of taking pictures and testing, also reduced the loaded down with trivial details of manual detection.In the present invention, described test control line 30 is serial port data line, described in take pictures control line 32 for usb data line.
In a preferred embodiment of the invention, described signal feedback device 200 includes signal lamp 20 and the alarm 22 being electrically connected to control interface module 10, for exporting respectively index signal according to test result, it is arranged on holder 500, wherein, signal lamp 20 is double-colored output indicator, and for showing the test result of acceptance or rejection, alarm 22 is for having tested prompting.When after test comparison, if test result is qualified, control unit 300 sends test passes instruction to control interface module 10, control interface module 10 drives the signal lamp 20 of signal feedback device 200 to start green light, with signal test passes, alarm 22 sound 0.5 second, has tested illustrating; If test result is defective, control unit 300 sends test failure instruction to control interface module 10, and control interface module 10 drives the signal lamp 20 of signal feedback device 200 to start red light, to illustrate test failure, alarm 22 sound 0.5 second, has tested to point out.Differentiation display mode in conjunction with audible alarm and indicator light, by audible alarm, point out test to finish, reminding tester to change in time next mobile phone detects, by shiny red indicator light, show that the camera of mobile phone to be measured is defective, by bright green indicator light, show that the camera of mobile phone to be measured is qualified.In control unit 300, test pattern and standard picture are compared after calibration, control unit 300 feeds back to control interface module 10 according to compare of analysis result by test control line 30 and drives signal feedback device 200, whether qualified with output display test result, make tester can see quickly and intuitively that whether the mobile phone camera of institute's altimetric image is qualified.
Wherein, described holder 500 is assemblied in to be taken on box 600, described shooting box 600 comprises that the upper cartridge body 60 and the lower box body 62 that mutually snap together form, by upper cartridge body 60 and lower box body 62, form a sealing darkroom, in the present embodiment, the 50CM*50CM*50CM shell of the black matt bakelite structure that described sealing darkroom is 5MM by thickness forms, and the light that adopts black matt bakelite shell can isolate outside, is not subject to the impact of external environment while guaranteeing test.Described test fixture module 100 is removably assemblied in upper cartridge body 60 tops, offers the shooting hole of coaxially running through in described upper cartridge body 60 and test fixture module 100.Described lower box body 62 bottoms are provided with base 64, described test pattern module 400 lies against on the base 64 of lower box body 62, and by least one fixed block 66, its corner is fixed, in the present embodiment, by two fixed blocks 66, two diagonal angles of test pattern module 400 are fixed, made it does not taken the impact that box moves.Described mobile phone camera, shooting hole and test pattern module 400, on same straight line, make mobile phone camera pass shooting hole and can get phase to test pattern module 400.Described test pattern module 400 is positioned over the bottom of lower box body 62, and the person of being easy to use adjusts the focal length of camera according to the height of upper and lower box body.
In order to adjust at any time the spacing between upper and lower box body, two sides at upper cartridge body 60 and lower box body 62 are respectively equipped with up-down adjustment holddown groove 70, described up-down adjustment holddown groove 70 is parallel to each other, be located at the intersection of upper cartridge body 60 and lower box body 62, by adjustment screw is mobile in up-down adjustment holddown groove 70, adjust displacement, for adjusting respectively the relative position of each controlled plant.When if adjustment screw moves up, spacing between upper cartridge body 60 and lower box body 62 is pulled open, lengthen the focal length of mobile phone camera in darkroom, otherwise, when if adjustment screw moves down, by the hypotelorism between upper cartridge body 60 and lower box body 62, can shorten the focal length of camera in darkroom, after regulating the spacing of upper and lower box body, screwing screw can fix both.By up-down adjustment holddown groove 70, can facilitate tester to adjust according to the focal length of different mobile phone cameras, to obtain best shooting distance, to guarantee in the coverage of the complete camera at mobile phone to be measured of test pattern module 400.Be appreciated that, also a pair of up-down adjustment holddown groove can be set in a side of box body, not limit by this, the same level in side arranges two pairs and adjusts up and down holddown groove, can be convenient to adjust reposefully the level height of upper cartridge body, make to be positioned over the mobile phone held stationary on upper cartridge body 60.
In order to adjust at any time the relative position of holder 500 on upper cartridge body 60, two intersections at holder 500 and upper cartridge body 60, before and after being provided with two pairs, regulate holddown groove 72, by adjustment screw, in front and back, regulate in holddown groove 72 and move and adjust displacement, if adjustment screw moves forward simultaneously, can the place ahead translation to upper cartridge body 60 by holder 500 integral body, vice versa, after adjusting the position of holder 500 on upper cartridge body 60, screwing screw can fix both.By front and back, regulate holddown groove 72, can facilitate tester to adjust according to the position difference of camera the position of finding a view, to obtain the test pattern corresponding with standard picture.In like manner, arrange before and after two pairs and regulate holddown grooves 72 can realize the steady adjustment of holder 500, guarantee mobile phone camera and test pattern module 400 level mutually.
In order to adjust at any time the relative position between test fixture module 100 and holder 500, two intersections at test fixture module 100 and holder 500, be provided with two pairs of left and right adjusting holddown grooves 74, by adjustment screw, in left and right adjusting holddown groove 74, move and adjust displacement, if adjustment screw is moved to the left simultaneously, can the left side translation to holder 500 by test fixture module 100, vice versa, after adjusting the position of test fixture module 100 on holder 500, screwing screw can fix both.By left and right adjusting holddown groove 74, can facilitate tester to adjust according to the position difference of camera the position of finding a view, to obtain the test pattern corresponding with standard picture, can realize the position correction of test pattern simultaneously.
Described respectively adjusting is provided with adjustment screw in holddown groove, by described adjustment screw, in regulating holddown groove, move and adjust respectively the spacing between upper cartridge body 60 and lower box body 62, the front and back position of holder 500 on upper cartridge body 60, the left and right position of test fixture module 100 on holder 500, to realize the objects such as position correction of the adjustment of camera focal length, the adjustment of camera position and test pattern.
Shown in Fig. 3, described test pattern module 400 comprises successively stacked light source 401, light guide plate 402 and test pattern 403 mutually, starts light source 401, can illuminate the test pattern 403 being placed in light guide plate 402.The white light source that light source 401 is 12V by 4 voltages forms, and is arranged at bottom, for test environment provides light source; Light guide plate 402 is made by the acryl sheet material of optical grade, and its guiding light source 401, for test pattern 403 provides uniform light, guarantees that test pattern each several part is subject to brightness consistent; Standard initial point and several gradual change gray scale square, monochromatic color square and coloured picture on described test pattern 403, in the present embodiment, be provided with eight kinds of gray scale square stripeds, seven kinds of color square stripeds of monochrome and a secondary people face coloured picture, described each square striped is arranged in parallel, described gray scale square striped detects for GTG, the color square striped of described monochrome detects for color rendition degree, described people's face coloured picture detects for coloured image contrast, by the image to captured, carry out Multiple detection, whether qualified to judge the each side parameter of camera.
Shown in Fig. 4, the present invention also provides a kind of automatic testing method of mobile phone camera, and it comprises the following steps:
Step 1) is placed in mobile phone to be detected in the test fixture module 100 of holder 500, when the downward pressing detection of mobile phone switch 12, trigger control interface module 10 and send measured signal to control unit 300, control unit 300 starts testing software, starts test;
Step 2) control unit 300 sends and takes instruction to mobile phone, drives mobile phone camera to take test pattern module 400, obtains test pattern;
Step 3) transfers to control unit by described test pattern, uses image analysis software that test pattern and standard picture are carried out to automatic comparison calibration, and image ratio is exported result feedback to test fixture.
Wherein, the coordinate figure of reference origin, gray scale segment, color segment in step 3) record standard image, and the standard grey-scale range value of gray scale segment, standard color reduction degree value range and the color image data of color segment, then by standard picture, be reference object, test pattern carried out to position correction, GTG detection, the detection of color rendition degree and coloured image contrast and detect.
First, get a model machine and carry out Camera Test, mobile phone to be measured is positioned in the test fixture module 100 of holder 500, by each, regulate holddown groove to adjust the position of mobile phone, when mobile phone is pressed detection trigger switch 12 downwards, can trigger test fixture module 100 and send test massage to control unit 300 by test control line 30; Then, control unit 300 is received after measured signal, can automatically by the control line 32 of taking pictures, to mobile phone, send and start photographing instruction, drive handset starting camera function, after mobile phone photograph, by the control line 32 of taking pictures, again taken the photograph test pattern is sent in control unit 300, in control unit, by image analysis software, carries out the comparison of image, next, describe image ratio in detail to analytic process:
Further comprising the steps in step 3):
Step 31) position correction, under the coordinate record of the reference origin in the standard picture that model machine is clapped, be used as standard initial point, and record the coordinate of each gray scale segment, color segment and coloured image in standard picture, then, test pattern is compared with the coordinate figure of reference origin in standard picture adjustment, calculate between reference origin and standard initial point laterally, side-play amount and deviation angle longitudinally, and establishing criteria initial point is adjusted, make the position consistency of test pattern and standard picture, the coordinate of each segment is consistent;
Step 32) GTG detects, gray scale segment in the standard picture that model machine is clapped converts gray scale block diagram to, according to the distribution of gray scale block diagram, obtain standard grayscale value scope, then, by each gray scale segment comparative analysis in test pattern and standard picture, according to the coordinate figure of the gray scale segment of setting in standard picture, in test pattern, take out each gray scale segment, and each gray scale segment is changed into greyish white format picture by rgb format picture, by greyish white format picture analytical calculation, go out gray scale block diagram, according to the distribution of gray scale block diagram, analyze and judge that gray value is whether in setting range (standard grayscale value scope), if the gray value of each gray scale segment is not in setting range, control module interface is to the defective instruction of signal feedback device feedback test result, signal lamp flashes the redlight, camera with prompting mobile phone that tester is surveyed is defective,
Step 33) color rendition degree detects, color segment in the standard picture that model machine is clapped converts colourama spectrogram to, according to the distribution of colourama spectrogram, obtain standard color reduction degree scope, then, by each chromaticity diagram piece comparative analysis in test pattern and standard picture, according to the coordinate figure of the color segment of setting in standard picture, in test pattern, take out each color segment, each color segment is carried out to analytical calculation and go out colourama spectrogram, according to colourama spectrogram, distribute to analyze and judge that color rendition degree is whether in setting range (standard color reduction degree scope), if the color rendition degree of each color segment is not in setting range, control module interface is to the defective instruction of signal feedback device feedback test result, signal lamp flashes the redlight, camera with prompting mobile phone that tester is surveyed is defective,
Step 34) coloured image contrast detects, the coloured image that model machine is clapped is as standard picture, with mobile phone to be measured, take test pattern module, test pattern is compared to the similar matching degree of coloured image in standard picture, according to the coordinate figure of the coloured image of setting in standard picture, in test pattern, take out the segment of coloured image, coloured image is carried out after denoising, carry out computational analysis comparison with standard coloured image segment, draw similar matching value, according to matching value, judge that coloured image is whether in setting range, if similar matching degree is not in setting range, control module interface is to the defective instruction of signal feedback device feedback test result, signal lamp flashes the redlight, camera with prompting mobile phone that tester is surveyed is defective.
Step 35) through GTG, detect successively, color rendition degree detects and coloured image contrasts after detection, if each gray scale segment in the test pattern that mobile phone to be measured is clapped, the corresponding comparison value of color segment and coloured image is all in setting range, all by above-mentioned test, by control module interface to the qualified instruction of signal feedback device feedback test result, signal lamp lights green light, camera with prompting mobile phone that tester is surveyed is qualified, preserve after test data and result, take off and survey mobile phone, put next mobile phone, repeat above-mentioned steps, enter the detection of next mobile phone.
Claims (10)
1. an automatic checkout system for mobile phone camera, is characterized in that comprising:
Test fixture module, it,, for putting mobile phone, is provided with control interface module, and it is for controlling the output feedback of test result and feeding back sense switch signal to control unit;
Signal feedback device, it is for deriving test result;
Control unit, is connected with control interface module by test control line, and whether to control the startup of test or to close, and it is qualified to output test result;
Control unit is electrically connected to mobile phone by the control line of taking pictures, and to send photographing instruction, and feeds back captured test pattern;
Test pattern module, relative with test fixture module, for camera, take comparison;
Mobile phone with camera is placed in test fixture module, control interface module sends test massage to control unit, control unit sends shooting instruction by the control line of taking pictures to mobile phone, camera is taken after test pattern module, mobile phone transfers to control unit by captured test pattern by the control line of taking pictures, whether test pattern and standard picture are carried out to initial point calibration, and control unit feeds back to signal feedback device according to the analysis result of test pattern, qualified with output display test result.
2. the automatic checkout system of mobile phone camera according to claim 1, it is characterized in that: described test fixture is installed on holder, it is provided with the sense switch being electrically connected to control interface module, when mobile phone is placed in test fixture module and downwards during pressing detection switch, electrical connection signal is low level, control interface module starts testing software by test control line feedback test signal to control unit, when mobile phone is removed test fixture module, sense switch resets, electrical connection signal is high level, control interface module is stopped or is interrupted detection signal to control unit by test control line feedback.
3. the automatic checkout system of mobile phone camera according to claim 2, is characterized in that: described signal feedback device includes signal lamp and the alarm being electrically connected to control interface module, for exporting respectively index signal according to test result.
4. the automatic checkout system of mobile phone camera according to claim 2, it is characterized in that: described holder is assemblied in to be taken on box, described shooting box comprises upper cartridge body and the lower box body mutually snapping together, described test fixture is arranged on upper cartridge body, described test pattern module is located in lower box body, its test fixture is provided with takes hole, and described mobile phone camera, shooting hole and test pattern module are on same straight line.
5. the automatic checkout system of mobile phone camera according to claim 4, it is characterized in that: the side of described upper cartridge body and lower box body is provided with up-down adjustment holddown groove, before and after being provided with between described holder and upper cartridge body, regulate holddown groove, between described test fixture and holder, be provided with left and right adjusting holddown groove, described respectively adjusting in holddown groove is provided with adjustment screw, for adjusting respectively the relative position of each controlled plant.
6. the automatic checkout system of mobile phone camera according to claim 4, is characterized in that: described test pattern module comprises successively stacked light source, light guide plate and graph card mutually.
7. the automatic checkout system of mobile phone camera according to claim 6, is characterized in that: on described test pattern, have standard initial point, several gradual change gray scale square, monochromatic color square and coloured picture.
8. an automatic testing method for mobile phone camera according to claim 1, is characterized in that comprising the following steps:
Step 1) is placed in mobile phone to be detected on the test fixture of holder, when the downward pressing detection switch of mobile phone, triggers control interface module and sends measured signal to control unit, and control unit starts testing software, starts test;
Step 2) control unit sends and takes instruction to mobile phone, drives it to start mobile phone camera and takes test pattern module, obtains test pattern;
Step 3) transfers to control unit by described test pattern, uses image analysis software that test pattern and standard picture are carried out to automatic comparison calibration, and image ratio is exported result feedback to test fixture.
9. the automatic testing method of mobile phone camera according to claim 8, it is characterized in that: the coordinate figure of reference origin, gray scale segment, color segment in step 3) record standard image, and the standard grey-scale range value of gray scale segment, standard color reduction degree value range and the color image data of color segment, then by standard picture, be reference object, test pattern carried out to position correction, GTG detection, the detection of color rendition degree and coloured image contrast and detect.
10. the automatic testing method of mobile phone camera according to claim 9, is characterized in that: further comprising the steps in step 3):
Step 31) position correction, adjustment that test pattern is compared with the coordinate figure of reference origin in standard picture, makes the position consistency of test pattern and standard picture;
Step 32) GTG detects, coordinate by each gray scale segment takes out gray scale segment, and gray scale segment is changed into greyish white format picture, and by greyish white format picture analytical calculation, go out gray scale block diagram, according to the distribution of gray scale block diagram, analyze and judge that gray value is whether in setting range;
Step 33) color rendition degree detects, and the coordinate by each color segment takes out every color segment, color segment is carried out to analytical calculation and go out colourama spectrogram, distributes to analyze to judge that color rendition degree is whether in setting range according to colourama spectrogram;
Step 34) coloured image contrast detects, the segment that takes out coloured image by the coordinate of coloured image, carries out after denoising coloured image, carries out computational analysis comparison with standard coloured image segment, draw matching value, according to matching value, judge that coloured image is whether in setting range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122504.6A CN104104761A (en) | 2013-04-10 | 2013-04-10 | Automatic detection system and detection method for mobile phone camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122504.6A CN104104761A (en) | 2013-04-10 | 2013-04-10 | Automatic detection system and detection method for mobile phone camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104104761A true CN104104761A (en) | 2014-10-15 |
Family
ID=51672558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310122504.6A Pending CN104104761A (en) | 2013-04-10 | 2013-04-10 | Automatic detection system and detection method for mobile phone camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104104761A (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601984A (en) * | 2014-12-22 | 2015-05-06 | 小米科技有限责任公司 | White balance test method and white balance test device |
| CN104967843A (en) * | 2015-07-02 | 2015-10-07 | 上海斐讯数据通信技术有限公司 | Method and system for detecting camera of mobile terminal equipment |
| CN105592307A (en) * | 2014-10-21 | 2016-05-18 | 宁波舜宇光电信息有限公司 | Automatic test apparatus and test method of image pickup module set |
| CN105704282A (en) * | 2016-03-23 | 2016-06-22 | 努比亚技术有限公司 | Detection method and apparatus for camera |
| CN105812786A (en) * | 2016-03-03 | 2016-07-27 | 北京瑞森新谱科技有限公司 | Automatic testing apparatus for full performances of cell phone Camera |
| CN106060533A (en) * | 2016-06-01 | 2016-10-26 | 歌尔股份有限公司 | Method and device for color debugging of camera |
| CN106092210A (en) * | 2016-08-06 | 2016-11-09 | 广东每通测控科技股份有限公司 | A kind of automatic streamline formula mobile phone on-line testing method and system thereof |
| CN106249097A (en) * | 2016-08-05 | 2016-12-21 | 歌尔股份有限公司 | A kind of test equipment for photographic head module |
| CN106713906A (en) * | 2016-12-30 | 2017-05-24 | 歌尔科技有限公司 | Vision device assembly correctness detection device and method |
| CN108055532A (en) * | 2017-12-27 | 2018-05-18 | 上海传英信息技术有限公司 | Automate the method and apparatus of matching test card |
| CN108345810A (en) * | 2018-02-06 | 2018-07-31 | 合肥美的智能科技有限公司 | The manufacture test method and device and manufacture test system of self-service equipment |
| CN108881897A (en) * | 2018-04-24 | 2018-11-23 | 上海与德科技有限公司 | Camera testing device, camera method of adjustment, camera testing system |
| CN109556723A (en) * | 2019-01-15 | 2019-04-02 | 佛山力合创新中心有限公司 | A kind of ceramics color detection device and its detection method |
| CN110446035A (en) * | 2019-09-18 | 2019-11-12 | 深圳飞马机器人科技有限公司 | A kind of camera dynamic shoots the test macro of fuzziness |
| CN111246199A (en) * | 2019-12-31 | 2020-06-05 | 歌尔股份有限公司 | Control method and device for camera test, terminal equipment and storage medium |
| CN111263141A (en) * | 2020-02-21 | 2020-06-09 | 深圳创维－Rgb电子有限公司 | Camera detection method, device, production line and computer readable storage medium |
| CN111652856A (en) * | 2020-05-19 | 2020-09-11 | Oppo（重庆）智能科技有限公司 | In-place detection method and system for lifting mechanism and related device |
| CN111757099A (en) * | 2018-04-27 | 2020-10-09 | 侯苏华 | Camera test support and camera test method |
| CN111787317A (en) * | 2020-08-17 | 2020-10-16 | Oppo（重庆）智能科技有限公司 | Camera testing device and camera testing method |
| CN112055197A (en) * | 2020-09-03 | 2020-12-08 | 深圳市宝尔爱迪科技有限公司 | Camera debugging equipment and control method |
| CN112135117A (en) * | 2019-06-25 | 2020-12-25 | 北京小米移动软件有限公司 | Test box, system, method and device of camera module and storage medium |
| CN113242422A (en) * | 2021-04-09 | 2021-08-10 | 昆山丘钛微电子科技股份有限公司 | Camera module testing method, device, equipment, system and medium |
| CN113448275A (en) * | 2021-07-30 | 2021-09-28 | 重庆市农业科学院 | Embedded control greenhouse control system |
| CN114584645A (en) * | 2022-01-17 | 2022-06-03 | 中国电器科学研究院股份有限公司 | Waste mobile phone detection and evaluation device and mobile phone detection and evaluation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004297293A (en) * | 2003-03-26 | 2004-10-21 | Nec Corp | System and method for remotely testing mobile unit |
| CN201622434U (en) * | 2009-12-28 | 2010-11-03 | 比亚迪股份有限公司 | Testing device for mobile phone camera |
| CN102025813A (en) * | 2010-11-18 | 2011-04-20 | 宁波高新区捷远科技有限公司 | Portable mobile phone main board performance parameter acquisition device |
-
2013
- 2013-04-10 CN CN201310122504.6A patent/CN104104761A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004297293A (en) * | 2003-03-26 | 2004-10-21 | Nec Corp | System and method for remotely testing mobile unit |
| CN201622434U (en) * | 2009-12-28 | 2010-11-03 | 比亚迪股份有限公司 | Testing device for mobile phone camera |
| CN102025813A (en) * | 2010-11-18 | 2011-04-20 | 宁波高新区捷远科技有限公司 | Portable mobile phone main board performance parameter acquisition device |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105592307A (en) * | 2014-10-21 | 2016-05-18 | 宁波舜宇光电信息有限公司 | Automatic test apparatus and test method of image pickup module set |
| CN105592307B (en) * | 2014-10-21 | 2018-06-26 | 宁波舜宇光电信息有限公司 | The automatic test equipment and test method of a kind of camera module |
| CN104601984A (en) * | 2014-12-22 | 2015-05-06 | 小米科技有限责任公司 | White balance test method and white balance test device |
| CN104967843A (en) * | 2015-07-02 | 2015-10-07 | 上海斐讯数据通信技术有限公司 | Method and system for detecting camera of mobile terminal equipment |
| CN105812786A (en) * | 2016-03-03 | 2016-07-27 | 北京瑞森新谱科技有限公司 | Automatic testing apparatus for full performances of cell phone Camera |
| CN105704282A (en) * | 2016-03-23 | 2016-06-22 | 努比亚技术有限公司 | Detection method and apparatus for camera |
| CN105704282B (en) * | 2016-03-23 | 2019-04-30 | 努比亚技术有限公司 | Camera detection method and device |
| CN106060533B (en) * | 2016-06-01 | 2018-03-23 | 歌尔股份有限公司 | A kind of method and device of camera color debugging |
| US10595016B2 (en) | 2016-06-01 | 2020-03-17 | Goertek Inc. | Camera color adjusting method and apparatus |
| CN106060533A (en) * | 2016-06-01 | 2016-10-26 | 歌尔股份有限公司 | Method and device for color debugging of camera |
| CN106249097A (en) * | 2016-08-05 | 2016-12-21 | 歌尔股份有限公司 | A kind of test equipment for photographic head module |
| CN106092210B (en) * | 2016-08-06 | 2018-08-31 | 广东每通测控科技股份有限公司 | A kind of automatic streamline formula mobile phone on-line testing method and its system |
| CN106092210A (en) * | 2016-08-06 | 2016-11-09 | 广东每通测控科技股份有限公司 | A kind of automatic streamline formula mobile phone on-line testing method and system thereof |
| CN106713906A (en) * | 2016-12-30 | 2017-05-24 | 歌尔科技有限公司 | Vision device assembly correctness detection device and method |
| CN108055532A (en) * | 2017-12-27 | 2018-05-18 | 上海传英信息技术有限公司 | Automate the method and apparatus of matching test card |
| CN108345810A (en) * | 2018-02-06 | 2018-07-31 | 合肥美的智能科技有限公司 | The manufacture test method and device and manufacture test system of self-service equipment |
| CN108345810B (en) * | 2018-02-06 | 2021-09-21 | 合肥美的智能科技有限公司 | Factory test method and device and factory test system for unmanned vending equipment |
| CN108881897A (en) * | 2018-04-24 | 2018-11-23 | 上海与德科技有限公司 | Camera testing device, camera method of adjustment, camera testing system |
| CN111757099A (en) * | 2018-04-27 | 2020-10-09 | 侯苏华 | Camera test support and camera test method |
| CN109556723A (en) * | 2019-01-15 | 2019-04-02 | 佛山力合创新中心有限公司 | A kind of ceramics color detection device and its detection method |
| CN112135117A (en) * | 2019-06-25 | 2020-12-25 | 北京小米移动软件有限公司 | Test box, system, method and device of camera module and storage medium |
| CN112135117B (en) * | 2019-06-25 | 2023-11-07 | 北京小米移动软件有限公司 | Test box body, system, method and device of camera module and storage medium |
| CN110446035A (en) * | 2019-09-18 | 2019-11-12 | 深圳飞马机器人科技有限公司 | A kind of camera dynamic shoots the test macro of fuzziness |
| CN111246199B (en) * | 2019-12-31 | 2022-02-18 | 歌尔光学科技有限公司 | Control method and device for camera test, terminal equipment and storage medium |
| CN111246199A (en) * | 2019-12-31 | 2020-06-05 | 歌尔股份有限公司 | Control method and device for camera test, terminal equipment and storage medium |
| CN111263141A (en) * | 2020-02-21 | 2020-06-09 | 深圳创维－Rgb电子有限公司 | Camera detection method, device, production line and computer readable storage medium |
| CN111652856A (en) * | 2020-05-19 | 2020-09-11 | Oppo（重庆）智能科技有限公司 | In-place detection method and system for lifting mechanism and related device |
| CN111652856B (en) * | 2020-05-19 | 2022-10-18 | Oppo（重庆）智能科技有限公司 | In-place detection method and system for lifting mechanism and related device |
| CN111787317A (en) * | 2020-08-17 | 2020-10-16 | Oppo（重庆）智能科技有限公司 | Camera testing device and camera testing method |
| CN111787317B (en) * | 2020-08-17 | 2022-03-22 | Oppo（重庆）智能科技有限公司 | Camera testing device and camera testing method |
| CN112055197A (en) * | 2020-09-03 | 2020-12-08 | 深圳市宝尔爱迪科技有限公司 | Camera debugging equipment and control method |
| CN113242422A (en) * | 2021-04-09 | 2021-08-10 | 昆山丘钛微电子科技股份有限公司 | Camera module testing method, device, equipment, system and medium |
| CN113448275A (en) * | 2021-07-30 | 2021-09-28 | 重庆市农业科学院 | Embedded control greenhouse control system |
| CN113448275B (en) * | 2021-07-30 | 2023-05-05 | 重庆市农业科学院 | Greenhouse control system with embedded control |
| CN114584645A (en) * | 2022-01-17 | 2022-06-03 | 中国电器科学研究院股份有限公司 | Waste mobile phone detection and evaluation device and mobile phone detection and evaluation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104104761A (en) | Automatic detection system and detection method for mobile phone camera | |
| JP2020174361A (en) | Distance measurement device for video camera focus application | |
| US20100328653A1 (en) | Method and system of evaluating a stereo image displaying panel | |
| TW200534676A (en) | Test system for portable electronic apparatus and test method there of | |
| US20130182080A1 (en) | Camera testing device and method for testing camera | |
| CN110379355A (en) | A kind of control system and control method of large screen display wall | |
| TWI583967B (en) | Detection system and method of stereoscopic display device. | |
| CN105511092B (en) | The calibration equipment of 3 d display device | |
| CN104023104B (en) | The automatic visual of a kind of mobile terminal checks equipment | |
| CN208459716U (en) | A kind of liquid crystal display detection device | |
| CN210775273U (en) | Battery image shooting system | |
| TWI569039B (en) | Calibration system and calibration method of three-dimensional display apparatus | |
| WO2021007944A1 (en) | Method for calibrating bracket of 3d structured light module, apparatus, and device | |
| TW201445458A (en) | Testing device and method for camera | |
| CN110823276A (en) | Method, device and system for detecting vision sensor | |
| CN109938773A (en) | Somatic data detection method, system and intelligent body survey instrument | |
| CN109990714B (en) | Quality detection system and detection method for civil air defense protection equipment | |
| US20150116486A1 (en) | Terminal device, image measuring system and method of inspection of workpiece | |
| CN204180143U (en) | A kind of automatic visual checkout facility of mobile terminal | |
| CN109374637A (en) | A kind of automobile panel Surface Quality Inspection System and method | |
| CN115118954A (en) | Camera effect testing system, method and medium for camera | |
| CN104154991A (en) | Illuminance testing method and illuminance testing device | |
| CN109124645B (en) | Human body balance ability measuring device and method | |
| TWI594017B (en) | Correction equipment for stereoscopic display device | |
| CN105717119A (en) | Double-row wire-harness color detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141015 |
|
| WD01 | Invention patent application deemed withdrawn after publication |