CN1878320A - Digital display device testing system and its testing method - Google Patents
Digital display device testing system and its testing method Download PDFInfo
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- CN1878320A CN1878320A CN 200610036357 CN200610036357A CN1878320A CN 1878320 A CN1878320 A CN 1878320A CN 200610036357 CN200610036357 CN 200610036357 CN 200610036357 A CN200610036357 A CN 200610036357A CN 1878320 A CN1878320 A CN 1878320A
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Abstract
The invention relates to a test system of digit display, which comprises a remote-control code emitter, an image collector, a storage unit, an image processor and a main control unit. Wherein, said emitter, via sending remote-control code, makes the display device display relative information; the image collector collects the image information displayed on the display device; the image processor separates and recognizes the displayed image and digit information, to transform them into the format of remote-control code, to be compared with sent remote-control code, and transmit the compared result to the main control unit. The invention can automatically test the electric display, while the test process is controlled by computer, to improve the test accuracy and efficiency.
Description
Technical field
The present invention relates to charactron and show the field, relate in particular to the test macro and the method for testing of digital tube display device.
Background technology
LED (conductor light-emitting diode) charactron is a display device the most frequently used in the present digital circuit, and it encapsulates with light-emitting diode work pen section and by the common cathode mode or after the anode mode connects altogether and forms.
The display unit of air-conditioning adopts the LED charactron mostly at present, testing but the display control board that adopts charactron to make is never had a good method, mostly is to test by people's eyes, at present in test process, test operation is more loaded down with trivial details, and efficient is also lower; Simultaneously, the success rate of test follow the people experience what and mental status quality and change, human factor is bigger.And if test by gathering level signal, under the situation that the display lamp of charactron has been broken, level signal still exists, so can not draw correct testing result, can not tackle the problem at its root.
Image processing of the present invention and recognition technology are the cutting edge technologies of a high technology content, are mainly used in literal identification now and to aspects such as the less demanding demonstration identifications of picture quality.
Summary of the invention
The present invention has overcome the shortcoming in the existing skill wood, and a kind of test macro that can test digital display device automatically is provided.
In addition, the present invention also provides the method for testing of utilizing above-mentioned test system and test digital display device.
In order to solve the problems of the technologies described above, be achieved through the following technical solutions:
A kind of test macro of digital display device comprises remote-control code emitter, and described transmitter unit makes display unit show corresponding information by sending remote control mode, it is characterized in that described test macro also comprises:
Image acquisition units is in order to gather the image information that above-mentioned display unit shows; And
Memory cell is in order to store above-mentioned image information; And
Graphics processing unit, with the enhancing of described image information process, filtering, profile extraction, edge connection, pattern matching, to separate and to identify the figure and the digital information of display unit demonstration in the image, the form that figure that the while handle identifies and digital information convert remote control mode to, contrast with the remote control mode of above-mentioned transmission, comparing result is sent to main control unit; And
Main control unit sends remote control mode, image acquisition units collection and store image information, graphics processing unit carries out analyzing and processing and export judged result this image information at interval at setting-up time in order to control above-mentioned remote-control code emitter.
The form that described graphics processing unit converts the figure that identifies and digital information to remote control mode, the remote control mode that sends with remote-control code emitter contrast, if the equal correspondence of each test, the judgement display unit is qualified; Otherwise judge defective.
Described main control unit is at first controlled above-mentioned remote-control code emitter and is sent remote control mode, then controls image acquisition units and gathers at interval and store image information at setting-up time, controls graphics processing unit at last this image is carried out analyzing and processing and exports judged result.
Described system also comprises the test result display unit, shows test results.
Described main control unit is a Control Software, and graphics processing unit is an image processing software, and described Control Software and image processing software all are installed in the computer.
Described memory cell is the memory of aforementioned calculation machine.
Described image acquisition units is a camera.
A kind of method of testing of digital display device, the method for testing of particularly above-mentioned test system and test digital display device is characterized in that, described method comprises following process:
A, remote-control code emitter emission remote control mode, display unit shows corresponding information;
B, image acquisition units are gathered the image information that above-mentioned display unit shows, and described image information is stored in memory cell;
C, graphics processing unit are with the enhancing of described image information process, filtering, profile extraction, edge connection, pattern matching, separate and identify the figure and the numeral of display unit demonstration in the image, the form that figure that the while handle identifies and digital information convert remote control mode to, contrast with the remote control mode that sends, thus test display apparatus.
Described method also comprises process D: the test result display unit shows test results.
The work of remote-control code emitter, image acquisition units and graphics processing unit is controlled by main control unit in the described process, main control unit is controlled above-mentioned remote-control code emitter transmission remote control mode, image acquisition units is gathered and store image information at interval at setting-up time, then this image information intersection graph is compared judgement as processing unit.
Compared with prior art, the invention provides a kind of test macro that can test electronic display unit automatically, testing process is controlled by computer, finishes automatically, has improved test accuracy and efficient.Following beneficial effect is arranged:
1, uses camera to replace people's eyes, reduce the influence of human factor, improve test accuracy test result;
2, the transmission test code of Automatic Cycle has also improved measuring accuracy when improving testing efficiency;
3, can test simultaneously a plurality of controllers, improve testing efficiency, can also reach the purpose of personnel reduction and enlargement.
Description of drawings
Fig. 1 is the structured flowchart of test macro of the present invention;
Fig. 2 is the flow chart of method of testing of the present invention.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples.
See also Fig. 1, the test macro of a kind of digital display device that Fig. 1 discloses comprises main control software 1, remote-control code emitter 2, image acquisition units 3, memory cell 4, image comparison software 5 and test result display unit 6.
Remote-control code emitter 2 and image acquisition units 3 are installed near the display unit that needs test, and remote-control code emitter 2 makes display unit show corresponding information by sending remote control mode; Image acquisition units 3 is gathered the image information that above-mentioned display unit shows, and this image information is stored in memory cell 4; Image information in image comparison software 5 recognition memory cells 4, and the remote control mode of recognition result and described remote-control code emitter 2 emissions contrasted, thereby test display apparatus; Test result display unit 6 is by display lamp or sending sound shows test results, and the result is fed back to main control software 1.Main control software 1 and remote-control code emitter 2, image acquisition units 3, image comparison software 5 and 6 communications of test result display unit, and control above-mentioned each unit co-ordination, at first control remote-control code emitter 2 and send remote control mode, then control image acquisition units 3 and gather at interval and store image information, control 5 pairs of these images of image recognition software at last and carry out analyzing and processing and export judged result at setting-up time.
Image recognition software 5 is with the enhancing of described image information process, filtering, profile extraction, edge connection, pattern matching, separate and identify the figure and the numeral of display unit demonstration in the image, the form that figure that the while handle identifies and digital information convert remote control mode to, contrast with the remote control mode that sends, comparing result is sent to main control software 1.
Image recognition software 5 is shown numeral and the images of the described image informations of identification earlier, and contrast with this remote control mode with remote-control code emitter 2 emissions, if test all is corresponding at every turn, then judge the display unit conformance with standard.As, it is the control command of " 18 " that remote-control code emitter sends displays temperature, if numeral judges then that for " 16 " this display unit is defective in the image that image processing software 5 recognizes, sends peculiar alarm signal by test result display unit 6; Equally, if numeral is " 18 " in the image that image processing software 5 recognizes, it is qualified to judge that then this display unit detects in this time.If it is all qualified to detect each time, judge that then this display unit is qualified.
In operating process, the operator only need carry out the initialization setting to the main control software in the computer 1, and other work can be finished automatically by main control software 1 control.
As Fig. 2, utilize the method for testing of above-mentioned test system and test digital display device, its flow process is as follows:
A, operator carry out the initialization setting on main control software 1;
B, startup test, main control software 1 control remote-control code emitter 2 starts display unit;
C, main control software 1 control remote-control code emitter 2 emission remote control modes, display unit shows corresponding information;
D, main control software 1 control image acquisition units 3 are gathered the image information that above-mentioned display unit shows, and described image information are stored in memory cell 4;
E, image comparison software 5 are with the enhancing of described image information process, filtering, profile extraction, edge connection, pattern matching, separate and identify the figure and the numeral of display unit demonstration in the image, the form that figure that the while handle identifies and digital information convert remote control mode to, contrast with the remote control mode that sends, comparing result is sent to main control software 1;
F, test result display unit 6 are by display lamp or sending sound shows test results, and the result is fed back to main control software 1.
In the said process, each remote-control code emitter 2 can be tested a plurality of display unit simultaneously, has improved testing efficiency, reaches the purpose of personnel reduction and enlargement simultaneously.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only.Can not be installed on the computer as main control software and image comparison software, or be not installed on same the computer, memory cell also can be an independent device.Therefore, do not break away from any modification or partial replacement of spirit and scope of the invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1, a kind of test macro of digital display device comprises remote-control code emitter, and described transmitter unit makes display unit show corresponding information by sending remote control mode, it is characterized in that described test macro also comprises:
Image acquisition units is in order to gather the image information that above-mentioned display unit shows; And memory cell, in order to store above-mentioned image information; And
Graphics processing unit, with the enhancing of described image information process, filtering, profile extraction, edge connection, pattern matching, to separate and to identify the figure and the digital information of display unit demonstration in the image, the form that figure that the while handle identifies and digital information convert remote control mode to, contrast with the remote control mode of above-mentioned transmission, comparing result is sent to main control unit; And
Main control unit sends remote control mode, image acquisition units collection and store image information, graphics processing unit carries out analyzing and processing and export judged result this image information at interval at setting-up time in order to control above-mentioned remote-control code emitter.
2, test macro according to claim 1, it is characterized in that, the form that described graphics processing unit converts the figure that identifies and digital information to remote control mode, the remote control mode that sends with remote-control code emitter contrasts, if each test is all corresponding, judge that display unit is qualified; Otherwise judge defective.
3, test macro according to claim 1, it is characterized in that, described main control unit is at first controlled above-mentioned remote-control code emitter and is sent remote control mode, then control image acquisition units and gather at interval and store image information, control graphics processing unit at last this image is carried out analyzing and processing and exports judged result at setting-up time.
4, according to claim 1 or 2 or 3 described test macros, it is characterized in that described system also comprises the test result display unit, shows test results.
According to claim 1 or 2 or 3 described test macros, it is characterized in that 5, described main control unit is a Control Software, graphics processing unit is an image processing software, and described Control Software and image processing software all are installed in the computer.
6, test macro according to claim 5 is characterized in that, described memory cell is the memory of aforementioned calculation machine.
According to claim 1 or 2 or 3 described test macros, it is characterized in that 7, described image acquisition units is a camera.
8, a kind of method of testing of digital display device is particularly utilized the method for testing of the described test system and test digital display device of claim 1, it is characterized in that described method comprises following process:
A, remote-control code emitter emission remote control mode, display unit shows corresponding information;
B, image acquisition units are gathered the image information that above-mentioned display unit shows, and described image information is stored in memory cell;
C, graphics processing unit are with the enhancing of described image information process, filtering, profile extraction, edge connection, pattern matching, separate and identify the figure and the numeral of display unit demonstration in the image, the form that figure that the while handle identifies and digital information convert remote control mode to, contrast with the remote control mode that sends, thus test display apparatus.
9, method of testing according to claim 8 is characterized in that, described method also comprises process D: the test result display unit shows test results.
10, according to Claim 8 or 9 described method of testings, it is characterized in that, the work of remote-control code emitter, image acquisition units and graphics processing unit is controlled by main control unit in the described process, main control unit is controlled above-mentioned remote-control code emitter transmission remote control mode, image acquisition units is gathered and store image information at interval at setting-up time, then this image information intersection graph is compared judgement as processing unit.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102170580A (en) * | 2011-03-16 | 2011-08-31 | 深圳Tcl新技术有限公司 | Television testing method, device and system |
| CN103067736A (en) * | 2012-12-20 | 2013-04-24 | 广州视源电子科技股份有限公司 | Automatic test system based on character recognition |
| CN103411976A (en) * | 2013-08-16 | 2013-11-27 | 上海德科电子仪表有限公司 | Automatic checking system and method of automobile digital clock |
| CN103528162A (en) * | 2012-07-06 | 2014-01-22 | 日立空调·家用电器株式会社 | Air conditioner |
| CN103941112A (en) * | 2013-01-18 | 2014-07-23 | 技嘉科技股份有限公司 | System and method for detecting multiple image signals |
| CN105744261A (en) * | 2014-12-10 | 2016-07-06 | 上海仪电数字技术有限公司 | System and method for testing set top box front panels |
| CN107036642A (en) * | 2017-04-12 | 2017-08-11 | 中国电力科学研究院 | A kind of method for being used to carry out robot used for intelligent substation patrol meter inspection performance test |
| CN110265529A (en) * | 2019-06-26 | 2019-09-20 | 深圳市汇大光电科技股份有限公司 | Pin lamp manufacturing process and gold thread detection system |
| CN112903250A (en) * | 2019-12-04 | 2021-06-04 | 深圳蓝普科技有限公司 | Automatic maintenance system for detection device and splicing display device |
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2006
- 2006-07-05 CN CNB2006100363570A patent/CN100562134C/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170580B (en) * | 2011-03-16 | 2014-08-20 | 深圳Tcl新技术有限公司 | Television testing method, device and system |
| CN102170580A (en) * | 2011-03-16 | 2011-08-31 | 深圳Tcl新技术有限公司 | Television testing method, device and system |
| CN103528162B (en) * | 2012-07-06 | 2016-01-27 | 日立空调·家用电器株式会社 | Air conditioner |
| CN103528162A (en) * | 2012-07-06 | 2014-01-22 | 日立空调·家用电器株式会社 | Air conditioner |
| CN103067736B (en) * | 2012-12-20 | 2015-04-22 | 广州视源电子科技股份有限公司 | Automatic test system based on character recognition |
| CN103067736A (en) * | 2012-12-20 | 2013-04-24 | 广州视源电子科技股份有限公司 | Automatic test system based on character recognition |
| CN103941112A (en) * | 2013-01-18 | 2014-07-23 | 技嘉科技股份有限公司 | System and method for detecting multiple image signals |
| CN103411976A (en) * | 2013-08-16 | 2013-11-27 | 上海德科电子仪表有限公司 | Automatic checking system and method of automobile digital clock |
| CN105744261A (en) * | 2014-12-10 | 2016-07-06 | 上海仪电数字技术有限公司 | System and method for testing set top box front panels |
| CN105744261B (en) * | 2014-12-10 | 2018-04-06 | 上海仪电数字技术股份有限公司 | The test system and method for testing of set top box front panel |
| CN107036642A (en) * | 2017-04-12 | 2017-08-11 | 中国电力科学研究院 | A kind of method for being used to carry out robot used for intelligent substation patrol meter inspection performance test |
| CN107036642B (en) * | 2017-04-12 | 2020-10-09 | 中国电力科学研究院 | Method for carrying out meter inspection performance test on intelligent inspection robot of transformer substation |
| CN110265529A (en) * | 2019-06-26 | 2019-09-20 | 深圳市汇大光电科技股份有限公司 | Pin lamp manufacturing process and gold thread detection system |
| CN112903250A (en) * | 2019-12-04 | 2021-06-04 | 深圳蓝普科技有限公司 | Automatic maintenance system for detection device and splicing display device |
| CN112903250B (en) * | 2019-12-04 | 2024-01-23 | 深圳蓝普科技有限公司 | Automatic maintenance system of detection device and spliced display device |
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| CN100562134C (en) | 2009-11-18 |
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