CN110010044A - It is a kind of to show the display detection method of equipment, apparatus and system - Google Patents
It is a kind of to show the display detection method of equipment, apparatus and system Download PDFInfo
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- CN110010044A CN110010044A CN201910262321.1A CN201910262321A CN110010044A CN 110010044 A CN110010044 A CN 110010044A CN 201910262321 A CN201910262321 A CN 201910262321A CN 110010044 A CN110010044 A CN 110010044A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention discloses a kind of display detection methods for showing equipment, apparatus and system, wherein, in the display detection method for showing equipment, the display equipment includes signal source interface, detection method includes the following steps for the display: obtaining the image of image acquisition device being displayed on the screen, the image being displayed on the screen is generated based on the image sensing signal for inputting the signal source interface；Described image acquisition device acquired image is analyzed, to obtain display testing result.Display detection method provided by the invention can replace worker to detect display equipment, to avoid there is artificial detection fault, such as missing inspection, false retrieval etc..
Description
Technical field
The present invention relates to equipment detection field more particularly to a kind of display detection methods for showing equipment, apparatus and system.
Background technique
Display equipment is widely used in office, teaching, amusement, commercial exhibition etc. for showing various information.It is existing
Display equipment include cathode-ray tube (CRT) display, liquid crystal display (LCD), light emitting diode (LED) display, etc.
The types such as gas ions display (PDP).
The signal kinds that current equipment available for display is shown increasingly increase, therefore a part display equipment is especially electric
Showing equipment usually depending on LCD screens such as machines, all with more than one signal source interface, can receive multiple signal source and is shown
Show.When detection before display equipment has been assembled and dispatched from the factory, usually worker is each to display equipment in assembly line
Signal source interface and function carry out detection one by one, mainly with human subjective judge display equipment whether qualification can be with
Factory, there is no a real objective examination criterias, meanwhile, this is also required to producing line detection workman and possesses experience abundant,
It can accurately just judge there may be a small amount of missing inspection excessively.
Therefore, those skilled in the art is dedicated to developing the more standardized display detection method of one kind, device and is
System.
Summary of the invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to need people using artificial detection
Work subjective judgement, and there is also artificial detection fault and cause missing inspection.
To solve the above-mentioned problems, the present invention provides a kind of display detection method for showing equipment, the display equipment
Including signal source interface, detection method includes the following steps for the display:
The image of image acquisition device being displayed on the screen is obtained, the image being displayed on the screen is based on defeated
The image sensing signal for entering the signal source interface generates；
Described image acquisition device acquired image is analyzed, to obtain display testing result.
Further, the acquisition device acquired image is obtained by USB, LAN, bluetooth or WiFi.
Further, described image detection signal be based on standard picture generate, the standard picture be colour pattern, described point
Described image acquisition device acquired image is analysed, includes: to obtain display testing result
The screen area image of display equipment is isolated from described image acquisition device acquired image；
Calculate the quantity of the transitional region of color lump in the screen area image, length, width, area, gradient and uniform
At least one of property parameter；
Compare the relevant parameter for calculating resulting parameter and the standard picture, to obtain display testing result.
Further, described image detection signal be ATV signal, AV signal, DP signal, DTMB signal, DVI signal,
HDMI signal, MHL signal, VGA signal or YPrPb signal.
To solve the above-mentioned problems, the present invention also provides a kind of display detection device for showing equipment, the display is set
Standby includes signal source interface, and the display detection device includes: storage unit and processing unit, and the storage unit is suitable for storage
Display detection program, the processing unit are adapted for carrying out the display detection program to realize following processes:
The image of image acquisition device being displayed on the screen is obtained, the image being displayed on the screen is based on defeated
The image sensing signal for entering the signal source interface generates；
Described image acquisition device acquired image is analyzed, to obtain display testing result.
Further, described image detection signal be based on standard picture generate, the standard picture be colour pattern, described point
Described image acquisition device acquired image is analysed, includes: to obtain display testing result
The screen area image of display equipment is isolated from described image acquisition device acquired image；
Calculate the quantity of the transitional region of color lump in the screen area image, length, width, area, gradient and uniform
At least one of property parameter；
Compare the relevant parameter for calculating resulting parameter and the standard picture, to obtain testing result.
To solve the above-mentioned problems, the present invention also provides a kind of display detection systems for showing equipment, comprising: image is adopted
Acquisition means and above-mentioned display detection device.
Further, further include signal source generating device, detect signal for providing described image to the display equipment.
By implementing display detection method, the apparatus and system of the display equipment that aforementioned present invention provides, there is following skill
Art effect:
(1) worker can be replaced to detect display equipment, to avoid there is artificial detection fault, such as missing inspection, false retrieval etc..
(2) standard picture is equipped with as comparison standard, which includes a variety of picture characteristics, thus can be by this
Standard picture detects a variety of display problems (such as image sharpness, picture color and the picture of image that screen is shown simultaneously
Face contrast etc.), keep testing result more accurate.
(3) display equipment is generally provided with the PORT COMs such as network interface and USB, provides advantageous condition for image transmitting, makes
It detects more convenient.
(4) it can detecte multi-signal source interface.
(5) time cost of culture detection workman is saved.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the display detection method schematic diagram that the embodiment of the present invention shows equipment；
Fig. 2 is the display detecting system schematic diagram of the display equipment of the embodiment of the present invention；
Fig. 3 is the display detecting system schematic diagram of the display equipment of another embodiment of the present invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Using several specific embodiments, the technical schemes of the invention are described in detail below.
Embodiment one
Fig. 1 is the display detection method schematic diagram that the embodiment of the present invention shows equipment, as shown in Figure 1, the present embodiment is aobvious
Show the display detection method of equipment, comprising the following steps:
Step S1: obtaining the image of image acquisition device being displayed on the screen, the image base being displayed on the screen
It is generated in the image sensing signal for the signal source interface for inputting display equipment to be detected；Image sensing signal is produced based on standard picture
It is raw.
For example, in the present embodiment, display equipment (such as television set, computer display screen or advertisement screen etc.) to be detected
Equipped with multiple signal source interfaces, multi-signal can receive with compatibility, for example, ATV (Analog TV, input simulation) signal, AV
(audio A udio and video Video) signal, DP (DisplayPort, high-definition digital display port) signal, DTMB (Digital
Television Terrestrial Multimedia Broadcasting, digital TV ground multimedia broadcasting) signal,
DVI (Digital Visual Interface, digital visual interface) signal, HDMI (High Definition
Multimedia Interface, high-definition multimedia interface) signal, MHL (Mobile High-Definition Link,
Mobile terminal high-definition audio and video standard) signal, VGA (Video Graphics Array, Video Graphics Array) signal or YPrPb
At least one of (color difference components simulation) signal.By all channels to be detected of display equipment to be detected (i.e. signal source interface) with
The connection of signal source generating device (can be used artificial plug wire mode, robot automatic wire inserting mode can also be used, all detect when all
After complete, similarly line mode can be pulled out using artificial, or line mode is pulled out using robot automatically) after, pass through infrared remote control or net
Line communication will show that equipment is transferred under the corresponding modes for needing the signal path detected, and display detection device is filled to signal source
It sets and sends instructions, so that signal source generating device is issued corresponding detection signal to display equipment to be detected, it is made to show image, image
The image of acquisition device acquisition display, and so on, then will show that equipment is transferred to the phase of next signal path for needing to detect
It answers under mode ..., for example, carrying out the Image Acquisition of ATV signal and HDMI signal, will show the ATV signal source interface in equipment
It is connect with HDMI signal source interface with signal source generating device, display equipment is transferred to by ATV by infrared remote control or cable communication
Under mode, display detection device sends instructions to signal source generating device, so that signal source generating device is issued ATV detection signal, shows
Show that equipment shows image, the image of the image acquisition device display；The Image Acquisition for carrying out next signal, will show
Equipment is transferred under HDMI mode, and display detection device sends instructions to signal source generating device, issues signal source generating device
HDMI detects signal, and display equipment shows image, the image of the image acquisition device display.And so on, if aobvious
Show that equipment can also receive other signals and need to carry out coherent detection, successively acquires its corresponding figure for being shown in display equipment
Picture.
In another preferred embodiment, as shown in figure 3, display detection device and display equipment to be detected can be connected
It connects, display detection device can be used for obtaining the state of display equipment to be detected, and be sent out according to the state of the display equipment of acquisition
It send and instructs or control display equipment to be detected and operated accordingly, specifically include automatic obtain and show the existing mode of equipment
To send command adapted thereto, then automatically controls display equipment and be switched to and next need sense channel mode etc..Or to carry out
For the Image Acquisition of ATV signal and HDMI signal, after display detection device is connect with display equipment to be detected, display detection dress
It sets and obtains the mode that show of display equipment to be detected automatically and show detection device if acquisition is not ATV and HDMI mode
It controls display equipment to be detected and is switched to ATV mode and (be also possible to be switched to HDMI mode, this is to need to detect signal path
In it is randomly selected), then send detection ATV signal command arrive signal source generating device, signal source generating device issue ATV believe
Number to display equipment to be detected to show and acquire, then show that detection device controls display equipment to be detected and is switched to HDMI mould
Formula carries out figure acquisition, if what is obtained is ATV or HDMI mode, for example what is obtained is HDMI mode, then shows detection device
Detection HDMI signal command is directly transmitted to signal source generating device, signal source generating device issues HDMI signal and shows to be detected
Show equipment to show and acquire, then shows that detection device control display equipment to be detected is switched to ATV mode progress figure and adopts
Collection.
In the present embodiment, the detection signal that signal source generating device is sent is a kind of standard drawing, which is client
It is selected according to their own needs, main purpose be in order to detect whether to receive signal and show corresponding picture, when
It in the case that display equipment does not receive any signal, autonomous can also equally be displayed in red, white, black, blue is green
Color, even the pure color field of other colors, that cannot select these pure color pictures for the standard drawing of image sensing signal, so
In order to detect the color contrast etc. of display equipment, can choose with obvious contrast simultaneous selection is not display equipment autonomously
The standard drawing of the pure color of display, such as colour pattern can be used as the standard of detection in colour pattern color lump with many kinds of parameters, such as color
The quantity of item, the length of transitional region in colour pattern, width, area, gradient and homogeneity parameter can be used as detection
Reference；Or these and the picture that cannot show of display equipment itself such as shade of gray figure.
It is possible to further obtain acquisition device acquired image by USB, LAN, bluetooth or WiFi.Such as pass through
Acquisition device is connect by usb line with display detection device, is sent the image that acquisition device acquires to display detection device and is carried out
Analysis.Or acquisition device or display detection device are initiated BlueTooth request, to interact after successful match.
Step S2: analysis image collecting device acquired image, to obtain display testing result.That is, display
The acquisition image and standard drawing that receive are compared detection device, according to acquisition image and standard drawing parameters
Whether the display function of diversity judgement display equipment to be detected is normal.
The step is specifically further divided into following steps, comprising:
Step S21: from image acquisition device to image in isolate display equipment screen area image.
For example, display detection device will determine the detection range of the acquisition image received.Such as general luminous zone
Domain is the screen area for showing equipment, this partial region is cut out as detection range.It can also be according to image collector
The placement location and acquisition range set determine the screen area in image, are intercepted out in acquired image in preset range with this
Image-region as detection range.
Step S22: calculate the quantity of transitional region, length of color lump in screen area image, width, area, gradient and
At least one of homogeneity parameter.For example, when the detection signal that signal source generating device is sent is colour pattern, due to colour pattern
Boundary is than more visible, and similar to the transition of tomography formula, transitional region should be an apparent straight line, is easy by algorithm comparison
Region is divided, finds color lump by calculating the gray scale of picture in the algorithm, and pass through its quantity of gray count, length, width
Degree, area, gradient and homogeneity etc. parameter are to be compared.
Step S23: compare the relevant parameter for calculating resulting parameter and standard picture, to obtain display testing result.
For example, if standard drawing is using colour pattern, each parameter of standard drawing be it is known, by colour pattern
The parameter that colour bar quantity is analysed and compared as one, if the colour bar quantity of image is less than the colour bar number of standard drawing in detection range
Amount, then testing result is to lack color anomaly, if the colour bar quantity of image is more than the colour bar quantity of standard drawing in detection range, is examined
Surveying result is that figure interference is abnormal, if the colour bar quantity of image and the colour bar quantity of standard drawing are identical in detection range, is detected
As a result normal for the detection of colour bar quantity, next step detection is carried out, that is, successively calculate and analyze length of transition zone, width,
Gradient, whether homogeneity is identical with the colour pattern of standard drawing, identical then normal, not identical then abnormal for figure interference.
It should be noted that the partial parameters of standard drawing are the display effect for influencing display equipment, display is had no effect on
The display function of equipment, so testing result can be divided into two parts, it is normal that one is display functions, such as testing result is
Display detection is qualified, and display function is abnormal, such as testing result is that display detection is unqualified；Another kind is display effect etc.
Grade, such as the range judgement testing result compared according to parameter is 1 grade of display effect, 2 grades of display effect, 3 grades of display effect, with
Corresponding different display effect.
Embodiment two
Fig. 2 is the display detecting system schematic diagram of the display equipment of the embodiment of the present invention, as shown in Fig. 2, the present embodiment
Display detection system includes display equipment, image collecting device, signal source generating device and display detection device to be detected.
Display equipment to be detected, is the equipment with various information are shown, for example, television set, computer display screen (LCD,
Liquid crystal display etc.) and advertisement screen etc., it needs to carry out these equipment display detection, that is, passes through the signal source of these equipment
The image shown when interface different aforementioned sources signal carries out such as image definition, picture contrast, color of image, image
The detections such as missing, deformation, wherein in each display equipment can equipped with multiple signal source interfaces, with compatible receiver multiple signal source,
For example, ATV signal, AV signal, DP signal, DTMB signal, DVI signal, HDMI signal, MHL signal, VGA signal or YPrPb letter
At least one of number.Therefore, it is necessary to the displays before dispatching from the factory to display all signal source interfaces of equipment to detect to guarantee the electricity
Depending on the quality of machine.
Image collecting device for acquiring the image shown in display equipment to be detected, and passes through wired or nothing
The mode of line sends the image information of acquisition to display detection device and analyzes.Such as display to be detected is clapped with camera
The image shown in equipment is then transferred to display detection device.
Detection device is shown, for the image of image acquisition device to be carried out analysis and output test result.Tool
Body includes: storage unit and processing unit, and storage unit is suitable for storage display detection program, and processing unit is adapted for carrying out display inspection
Ranging sequence is to realize following processes: obtaining the image of image acquisition device being displayed on the screen, is displayed on the screen
Image is generated based on the image sensing signal of input signal source interface；Image collecting device acquired image is analyzed, to obtain
Show testing result.
In another preferred embodiment, as shown in figure 3, display detection device and display equipment to be detected can be connected
It connects, processing unit is adapted for carrying out display detection program and also realizes following processes: obtaining the existing mould of display equipment to be detected automatically
Formula is switched to send corresponding control instruction and control display equipment and next needs sense channel mode etc..
Signal source generating device can provide a variety of letters for providing image sensing signal to display equipment to be detected
Number source, for example, TV signal, AV signal, DP signal, DTMB signal, DVI signal, HDMI signal, MHL signal, VGA signal or
At least one of YPrPb signal.
In the present embodiment, signal source generating device includes: central processing unit, HDMI distributor, signal adapter and letter
Number source interface；Wherein, central processing exports HDMI video signal；Such as output HDMI video signal includes the 4K with HDCP encryption
Signal and/or the HDMI signal encrypted without HDCP.HDMI distributor is for inputting HDMI video signal or output multi-channel
HDMI video signal.The HDMI video signal that HDMI distributor exports is converted into other vision signals by signal adapter, for example,
Signal adapter includes at least one of DVI converter, AV converter, YPbPr converter and VGA converter.Wherein, DVI
Converter is connect with the HDMI distributor of the input tape HDCP 4K signal encrypted, AV converter, YPbPr converter, VGA converter
HDMI distributor with input without the HDCP HDMI signal encrypted is connect；Signal source interface exports vision signal.Signal source connects
Mouth includes that HDMI signal source interface, DVI signal source interface, AV signal source interface, YPbPr signal source interface and VGA signal source connect
At least one of mouthful, it can be docked respectively with the signal source interface of display equipment to be detected.The signal source generating device will be each
Kind signal source function combines, and integrated level is high.User can be specified according to their own needs in the audio-video in signal source
Hold, while also bluetooth module, WiFi module and digital transmission module, is not interfere with each other between module, detection data transmission is convenient and efficient.
It should be noted that can be handed over based on signal source generating device detection USB port, LAN port, bluetooth and wifi etc.
Whether mutual transfer function is normal.And can according to demand, independently select detection content (ATV signal, AV signal, DP signal,
The detection of DTMB signal, DVI signal, HDMI signal, MHL signal, VGA signal or YPrPb signal), due to HDMI signal detection,
MHL signal detection, DP signal detection, AV signal detection, YPbPr signal detection, VGA signal detection, ATV signal detection, DTMB
Signal detection, the configuration of device used in television screen defects detection is all the same, and combinable is a board, but whole item visual inspections
It is longer to survey the time, according to the selected detection project of client and detection time, can appropriate adjustment board quantity, with detection ordering.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (8)
1. a kind of display detection method for showing equipment, the display equipment includes signal source interface, which is characterized in that described aobvious
Show that detection method includes the following steps:
The image of image acquisition device being displayed on the screen is obtained, the image being displayed on the screen is based on input institute
The image sensing signal for stating signal source interface generates；
Described image acquisition device acquired image is analyzed, to obtain display testing result.
2. as described in claim 1 display equipment display detection method, which is characterized in that by USB, LAN, bluetooth or
WiFi obtains the acquisition device acquired image.
3. the display detection method of display equipment as described in claim 1, which is characterized in that described image detection signal is based on
Standard picture generates, and the standard picture is colour pattern, the analysis described image acquisition device acquired image, to obtain
Show that testing result includes:
The screen area image of display equipment is isolated from described image acquisition device acquired image；
It calculates in the screen area image in the quantity of the transitional region of color lump, length, width, area, gradient and homogeneity
At least one parameter；
Compare the relevant parameter for calculating resulting parameter and the standard picture, to obtain display testing result.
4. the display detection method of display equipment as described in claim 1, which is characterized in that described image detects signal and is
ATV signal, AV signal, DP signal, DTMB signal, DVI signal, HDMI signal, MHL signal, VGA signal or YPrPb signal.
5. a kind of display detection device for showing equipment, the display equipment includes signal source interface, which is characterized in that described aobvious
Show that detection device includes: storage unit and processing unit, the storage unit is suitable for storage display detection program, and the processing is single
Member is adapted for carrying out the display detection program to realize following processes:
The image of image acquisition device being displayed on the screen is obtained, the image being displayed on the screen is based on input institute
The image sensing signal for stating signal source interface generates；
Described image acquisition device acquired image is analyzed, to obtain display testing result.
6. the display detection device of display equipment as claimed in claim 5, which is characterized in that described image detection signal is based on
Standard picture generates, and the standard picture is colour pattern, the analysis described image acquisition device acquired image, to obtain
Show that testing result includes:
The screen area image of display equipment is isolated from described image acquisition device acquired image；Calculate the screen
At least one of the quantity of the transitional region of color lump, length, width, area, gradient and homogeneity parameter in area image；
Compare the relevant parameter for calculating resulting parameter and the standard picture, to obtain testing result.
7. a kind of display detection system for showing equipment characterized by comprising image collecting device and claim 5 or 6 institutes
The display detection device stated.
8. the display detection system of display equipment as claimed in claim 7, which is characterized in that further include that signal source fills
It sets, detects signal for providing described image to the display equipment.
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| CN110738632A (en) * | 2019-09-04 | 2020-01-31 | 珠海格力电器股份有限公司 | Method, apparatus, computer device and medium for detecting display of panel pattern |
| CN111372076A (en) * | 2020-03-04 | 2020-07-03 | 京东方科技集团股份有限公司 | System and method for testing stability of video interface |
| CN112697405A (en) * | 2021-03-23 | 2021-04-23 | 北京芯海视界三维科技有限公司 | Light-emitting unit detection method and device and detection instrument |
| CN115588393A (en) * | 2022-12-12 | 2023-01-10 | 无锡美科微电子技术有限公司 | Test method and debugging method of silicon-based display screen |
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