WO2016082611A1 - Method and system for detecting video interface channel - Google Patents

Method and system for detecting video interface channel Download PDF

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Publication number
WO2016082611A1
WO2016082611A1 PCT/CN2015/090230 CN2015090230W WO2016082611A1 WO 2016082611 A1 WO2016082611 A1 WO 2016082611A1 CN 2015090230 W CN2015090230 W CN 2015090230W WO 2016082611 A1 WO2016082611 A1 WO 2016082611A1
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Prior art keywords
image
display device
video interface
image display
detection
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PCT/CN2015/090230
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French (fr)
Chinese (zh)
Inventor
孟梁军
曹小梅
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深圳Tcl新技术有限公司
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Publication of WO2016082611A1 publication Critical patent/WO2016082611A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details

Definitions

  • the present invention relates to the field of channel detection technologies, and in particular, to a method and system for video interface channel detection.
  • Image display devices such as televisions, projectors, etc.
  • video interfaces such as televisions including video graphics arrays (Video Graphics Array, VGA) interface, High Definition Multimedia (High Definition Multimedia Interface, HDMI) interface, etc.
  • VGA Video Graphics Array
  • HDMI High Definition Multimedia Interface
  • each video interface must be tested to determine whether the hardware of each video port is normal.
  • the detection of the video interface channel is generally manually operated by the worker to switch each source, and the signal input through each video interface channel can be visually displayed. This method of detection is inefficient and prone to missed inspections leading to product failure.
  • the main object of the present invention is to solve the technical problem that the video interface channel of the image display device has low detection efficiency.
  • the present invention provides a video interface channel detection method, and the video interface channel detection method includes the following steps:
  • the signal generator sends the first image information to the current video interface of the image display device according to the video interface channel detection command sent by the debugging device, so that the image display device is used as the current display image;
  • the debugging device sends a detection instruction to the image display device, where the detection instruction includes second image information corresponding to the first image information and an instruction to start detection;
  • the image display device collects a current display image according to the received detection instruction.
  • the image display device performs image detection on the acquired image and the second image information to obtain a detection result.
  • the step of S4 comprises:
  • S41 Obtain pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
  • the step of S4 is followed by: S5, the image display device feeds back the detection result to the debugging device.
  • the second image information is partial image information of the first image, and the second image information is random image information.
  • the method for detecting the video interface channel further includes:
  • the debugging device respectively sends a video interface channel switching instruction to the image display device and the signal generator, and the image display device and the signal generator respectively switch to the corresponding video interface according to the video interface channel switching instruction, and returns to step S1 by the signal generator.
  • the image information is transmitted to the image display device through the corresponding video interface and cycled until all video interfaces of the image display device are detected.
  • the present invention further provides a system for video interface channel detection, the system comprising an image display device, a debugging device and a signal generator, wherein the debugging device and the image display device and the signal respectively The generator is connected through a serial port, and the image display device is connected to the signal generator through a video line, the debugging device includes a first sending module, the signal generator includes a second sending module, and the image display device includes an acquiring module.
  • Detection module where:
  • the first sending module is configured to send a video interface channel detection command to the signal generator
  • the second sending module is configured to send first image information to a current video interface of the image display device, where the image display device is used as a current display image;
  • the first sending module is further configured to send a detection instruction to the image display device, where the detection instruction is second image information corresponding to the first image information and an instruction to start the detection;
  • the collecting module is configured to collect a current display image according to the received detection instruction
  • the detecting module is configured to perform image detection on the acquired image and the second image information to obtain a detection result.
  • the detecting module comprises:
  • a searching unit configured to acquire pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
  • a calculating unit configured to acquire pixel color information in the second image information, calculate an error of pixel color information in the second image information and color information of the found pixel point, and obtain a detection result according to the error .
  • the image display device further includes a feedback module for feeding back the detection result to the debugging device.
  • the second image information is partial image information of the first image, and the second image information is random image information.
  • the invention provides a video interface channel detecting method and system, and installs a video interface channel detecting software program of an image display device on a debugging device, and sends a video interface channel detecting command to a signal generator through a debugging device, and the signal generator provides a signal source to
  • the image display device sends a detection instruction to the image display device through the debugging device, and the image display device collects the currently displayed image according to the detection instruction, and then performs image detection according to the collected image and the image sent by the debugging device, thereby detecting the image display.
  • the video interface channel of the device can improve the detection efficiency of the video interface channel of the image display device, realize the automation of detection, and reduce the probability of occurrence of missed detection.
  • FIG. 1 is a schematic flowchart of a first embodiment of a method for detecting a video interface channel according to the present invention
  • FIG. 2 is a schematic diagram showing the refinement process of the image obtained by performing image detection on the acquired image and the second image information in FIG. 1;
  • FIG. 3 is a schematic flowchart of a second embodiment of a method for detecting a video interface channel according to the present invention.
  • FIG. 4 is a schematic flowchart of a third embodiment of a method for detecting a video interface channel according to the present invention.
  • FIG. 5 is a schematic diagram of functional modules of a first embodiment of a system for detecting video interface channels according to the present invention
  • FIG. 6 is a schematic diagram of a refinement function module of the detection module of FIG. 5;
  • FIG. 7 is a schematic diagram of functional modules of a second embodiment of a system for detecting video interface channels according to the present invention.
  • the present invention provides a method for detecting a video interface channel.
  • the method for detecting a video interface channel includes:
  • Step S1 The signal generator sends the first image information to the current video interface of the image display device according to the video interface channel detection command sent by the debugging device, so that the image display device is used as the current display image;
  • image display devices which may be a television set, a projector, or the like.
  • the operating system of the image display device may be an Android system or other smart operating system.
  • the signal generator has a variety of video interfaces, such as audio and video interfaces, video graphics array interfaces or high definition multimedia interfaces.
  • the signal generator is connected to the video interface of the image display device via a video cable.
  • the signal generator stores a plurality of specific static first images, the static first images being images that are identical for each frame of the picture.
  • the signal generator generates a specific static first image information, which is transmitted as a signal source through a video interface corresponding to a current video interface of the image display device on the signal generator, through the video line, and then transmitted to the current video interface of the image display device Image display device.
  • the video interface corresponding to the signal generator is also a video graphics array interface.
  • the image display device receives the first image information sent by the signal generator and displays it on the screen for testing purposes.
  • Step S2 the debugging device sends a detection instruction to the image display device, where the detection instruction includes second image information corresponding to the first image information and an instruction to start detection;
  • the debugging device may be a device such as a computer, and is connected to the image display device through a serial port.
  • the detection software of the video interface channel of the image display device is installed in the debugging device, and the detection instruction can be sent to the image display device through the detection software.
  • the detection instruction includes second image information and an instruction to start detection, and the second image information corresponds to the first image information, for example, the first image is a complete image, and the second image only includes the A part of the complete image, such as coordinate information including only partial pixels in the complete image, corresponding color information, and the like, and the second image information is random.
  • the debugging device sends the second image information corresponding to the first image information to the image display device through the serial port.
  • Step S3 the image display device collects the current display image according to the received detection instruction
  • the image display device also has various video interfaces, such as an audio and video interface, a video graphics array interface, a high definition multimedia interface, and the like.
  • the debugging device and the signal generator of the embodiment are connected through a serial port, and the debugging device can not only send a video interface channel detection command to the signal generator through the serial port, but also can send a switching video to the image display device and the signal generator through the serial port.
  • the interface's instructions enable it to automatically switch the video interface.
  • the image display device collects the currently displayed image according to the instruction of the detection start in the detection instruction, and the image acquisition is to acquire an image signal from the video interface, that is, capture a currently displayed image and convert it into a fixed image. , saved in the file system built into the image display device.
  • the image display device acquisition process takes the Android operating system as an example, and the system provides a screen capture program command: screencap. This command can capture the image currently displayed on the screen and save it as a picture.
  • the image display device executes the "screencap/tmp/test.png" command to save the currently displayed image as a picture in the tmp directory: test.png.
  • step S4 the image display device performs image detection on the acquired image and the second image information to obtain a detection result.
  • the image display device compares the acquired image with the second image information and calculates an error between the two to perform image detection. Since the second image information is random information, coordinate information of the pixel points, color information of the pixel points, and the like are included. In this embodiment, whether the video interface of the image display device is qualified is detected by calculating an error between color information of pixel points corresponding to both the acquired image and the second image information.
  • the embodiment installs a video interface channel detection software program of the image display device on the debugging device, and sends a video interface channel detection command to the signal generator through the debugging device, and the signal generator provides a signal source to the image display.
  • the device sends a detection command to the image display device through the debugging device, and the image display device collects the currently displayed image according to the detection instruction, and then performs image detection according to the acquired image and the image sent by the debugging device, thereby detecting the image display device.
  • the video interface channel does not need to manually switch the video interface channel, which can improve the detection efficiency of the video interface channel of the image display device, realize the automation of detection, and reduce the probability of missed detection, thereby improving customer satisfaction.
  • the foregoing step S4 includes:
  • S41 Obtain pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
  • the image display device acquires pixel coordinate information in the second image information, color information of the corresponding pixel, searches for the pixel point of the coordinate information in the collected image, and then calculates the second image information and the collected image.
  • the color error of the corresponding pixel in the image and judge whether the calculated error is within the allowable range. If yes, the detection passes; otherwise, the detection fails, and the hardware of the video port of the image display device is abnormal. unqualified product.
  • the step S4 includes: Step S5, the image display device feeds back the detection result to the debugging device.
  • the image display device feeds back the detection result to the debugging device and displays it on the debugging device.
  • the detecting personnel can determine whether the video interface channel of the image display device is normal according to the detection result.
  • the detecting personnel does not need to visually check whether the signal passing through each video interface can be normally displayed, thereby greatly improving the efficiency of the video interface channel detecting.
  • the method for detecting a video interface channel further includes:
  • Step S6 the debugging device respectively sends a video interface channel switching instruction to the image display device and the signal generator, and the image display device and the signal generator respectively switch to the corresponding video interface according to the video interface channel switching instruction, and returns to step S1 to generate a signal.
  • the device transmits image information to the image display device through the corresponding video interface and loops until all video interfaces of the image display device are detected.
  • the debugging device issues a switching instruction, switches to another video interface channel for detection, and the signal generator also switches to the corresponding video interface until The channel where all the video interfaces of the image display device are detected is detected.
  • the video interface switching instruction is sent to the image display device and the signal generator by the debugging device, and the image display device and the signal generator are switched to the corresponding video interface. In this way, Automatic switching of the video interface channel can improve the efficiency of video interface channel detection.
  • the present invention also provides a system for video interface channel detection.
  • the system includes an image display device, a debugging device, and a signal generator, wherein the debugging device and the image display device and the signal are respectively generated.
  • the image display device is connected to the signal generator through a video cable.
  • the debugging device includes a first sending module 101.
  • the signal generator includes a second sending module 102.
  • the image display device includes an acquiring module 103 and a detecting module 104. among them:
  • a first sending module 101 configured to send a video interface channel detection command to the signal generator
  • the second sending module 102 is configured to send, after the first sending module 101 of the debugging device sends a video interface channel detecting command, first image information to the current video interface of the image display device, for the image display device As the current display image;
  • image display devices which may be a television set, a projector, or the like.
  • the operating system of the image display device may be an Android system or other smart operating system.
  • the signal generator has a variety of video interfaces, such as audio and video interfaces, video graphics array interfaces or high definition multimedia interfaces.
  • the signal generator is connected to the video interface of the image display device via a video cable.
  • the signal generator stores a plurality of specific static first images, the static first images being images that are identical for each frame of the picture.
  • the signal generator generates a particular static first image information that is transmitted as a signal source to the image display device via a video interface corresponding to the current video interface of the image display device, via the video line, and then through the current video interface of the image display device.
  • the video interface corresponding to the signal generator is also a video graphics array interface.
  • the image display device receives the first image information sent by the signal generator and displays it on the screen for testing purposes.
  • the first sending module 101 is further configured to: after the second sending module 102 sends the first image information to the current video interface of the image display device, send a detection instruction to the image display device, where the detection instruction includes the first image information Corresponding second image information and an instruction to start detection;
  • the debugging device may be a device such as a computer, and is connected to the image display device through a serial port.
  • the detection software of the video interface channel of the image display device is installed in the debugging device, and the detection instruction can be sent to the image display device through the detection software.
  • the detection instruction includes second image information and an instruction to start detection, and the second image information corresponds to the first image information, for example, the first image is a complete image, and the second image only includes the A part of the complete image, such as coordinate information including only partial pixels in the complete image, corresponding color information, and the like, and the second image information is random.
  • the debugging device sends the second image information corresponding to the first image information to the image display device through the serial port.
  • the collecting module 103 is configured to collect a current display image according to the received detection instruction
  • the image display device also has various video interfaces, such as an audio and video interface, a video graphics array interface, a high definition multimedia interface, and the like.
  • the debugging device and the signal generator of the embodiment are connected through a serial port, and the debugging device can not only send a video interface channel detection command to the signal generator through the serial port, but also can send a switching video to the image display device and the signal generator through the serial port.
  • the interface's instructions enable it to automatically switch the video interface.
  • the image display device collects the currently displayed image according to the instruction of the detection start in the detection instruction, and the image acquisition is to acquire the image signal from the video interface, that is, capture the currently displayed image of one frame, convert it into a fixed image, and save In the file system built into the image display device.
  • the image display device acquisition process takes the Android operating system as an example, and the system provides a screen capture program command: screencap. This command can capture the image currently displayed on the screen and save it as a picture.
  • the image display device executes the "screencap/tmp/test.png" command to save the currently displayed image as a picture in the tmp directory: test.png.
  • the detecting module 104 is configured to perform image detection on the acquired image and the second image information to obtain a detection result.
  • the image display device compares the acquired image with the second image information and calculates an error between the two to perform image detection. Since the second image information is random information, coordinate information of the pixel points, color information of the pixel points, and the like are included. In this embodiment, whether the video interface of the image display device is qualified is detected by calculating an error between color information of pixel points corresponding to both the acquired image and the second image information.
  • the detecting module 104 includes:
  • a searching unit 1041 configured to acquire pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
  • the calculating unit 1042 is configured to acquire pixel color information in the second image information, calculate an error of the pixel color information in the second image information and the color information of the found pixel point, and detect the error according to the error result.
  • the image display device acquires pixel coordinate information in the second image information, color information of the corresponding pixel, searches for the pixel point of the coordinate information in the collected image, and then calculates the second image information and the collected image.
  • the color error of the pixel corresponding to the image and judge whether the calculated error is Within the allowable range, if yes, the detection passes, otherwise, the detection fails, and the hardware of the video port of the image display device is abnormal, which is an unqualified product.
  • the image display device further includes a feedback module 105 for feeding back the detection result to the debugging device.
  • the image display device feeds back the detection result to the debugging device and displays it on the debugging device.
  • the detecting personnel can determine whether the video interface channel of the image display device is normal according to the detection result information.
  • the detecting personnel does not need to visually check whether the signal passing through each video interface can be normally displayed, thereby greatly improving the efficiency of the video interface channel detecting.
  • the debugging interface after detecting the channel where the current video interface of the image display device is located, issues a video interface channel switching instruction to the image display device and the signal generator, respectively, and the image display device switches to another video interface.
  • the channel is detected and the signal generator is switched to the corresponding video interface channel until the channel in which all video interfaces of the image display device are located is detected.
  • the video interface switching instruction is sent to the image display device and the signal generator by the debugging device, and the image display device and the signal generator are switched to the corresponding video interface. In this way, Automatic switching of the video interface channel can improve the efficiency of video interface channel detection.

Abstract

A method and system for detecting a video interface channel. The method for detecting a video interface channel comprises the steps of: according to a video interface channel detection command sent by a height device, a signal generator sending first image information to a current video interface of an image display device, so as to be used as a current display image by the image display device; the height device sending a detection instruction to the image display device, wherein the detection instruction comprises second image information corresponding to the first image information and an instruction to start detection; the image display device collecting the current display image according to the received detection instruction; and the image display device conducting image detection on the collected image and the second image information, so as to obtain a detection result. The efficiency of detecting a video interface channel of an image display device can be improved, thereby realizing automation of the detection.

Description

视频接口通道检测的方法及系统  Video interface channel detection method and system
技术领域Technical field
本发明涉及通道检测技术领域，尤其涉及一种视频接口通道检测的方法及系统。The present invention relates to the field of channel detection technologies, and in particular, to a method and system for video interface channel detection.
背景技术Background technique
图像显示设备如电视机、投影仪等，其具有的视频接口越来越多，如电视机包括视频图形阵列（Video Graphics Array，VGA）接口、高清晰度多媒体（High Definition Multimedia Interface，HDMI）接口等。图像显示设备在生产时，必须对每个视频接口进行检测，来判断各视频端口的硬件是否正常。通常视频接口通道的检测一般由工人手动操作来切换每个信源，目测经每个视频接口通道输入的信号是否能正常显示。这种检测方法效率较低，且容易出现漏检导致产品不合格。Image display devices such as televisions, projectors, etc., have more and more video interfaces, such as televisions including video graphics arrays (Video Graphics Array, VGA) interface, High Definition Multimedia (High Definition Multimedia Interface, HDMI) interface, etc. When the image display device is in production, each video interface must be tested to determine whether the hardware of each video port is normal. Usually, the detection of the video interface channel is generally manually operated by the worker to switch each source, and the signal input through each video interface channel can be visually displayed. This method of detection is inefficient and prone to missed inspections leading to product failure.
发明内容Summary of the invention
本发明的主要目的在于解决图像显示设备视频接口通道检测效率低的技术问题。The main object of the present invention is to solve the technical problem that the video interface channel of the image display device has low detection efficiency.
为实现上述目的，本发明提供一种视频接口通道检测的方法，所述视频接口通道检测的方法包括以下步骤：To achieve the above objective, the present invention provides a video interface channel detection method, and the video interface channel detection method includes the following steps:
S1，信号发生器根据调试设备发送的视频接口通道检测命令向图像显示设备的当前视频接口发送第一图像信息，以供所述图像显示设备作为当前显示图像；S1, the signal generator sends the first image information to the current video interface of the image display device according to the video interface channel detection command sent by the debugging device, so that the image display device is used as the current display image;
S2，调试设备向图像显示设备发送检测指令，其中，所述检测指令包含与第一图像信息对应的第二图像信息及检测开始的指令；S2. The debugging device sends a detection instruction to the image display device, where the detection instruction includes second image information corresponding to the first image information and an instruction to start detection;
S3，图像显示设备根据接收到的所述检测指令采集当前显示图像；S3. The image display device collects a current display image according to the received detection instruction.
S4，图像显示设备将所采集的图像与所述第二图像信息进行图像检测，得到检测结果。S4. The image display device performs image detection on the acquired image and the second image information to obtain a detection result.
优选地，所述S4的步骤包括：Preferably, the step of S4 comprises:
S41，获取所述第二图像信息中的像素坐标信息，在所采集的图像中查找与所述像素坐标信息对应的像素点，并查找所述像素点的色彩信息；S41: Obtain pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
S42，获取所述第二图像信息中的像素色彩信息，计算所述第二图像信息中的像素色彩信息与所查找到的像素点的色彩信息的误差，根据所述误差得到检测结果。S42. Acquire pixel color information in the second image information, calculate an error of the pixel color information in the second image information and color information of the found pixel point, and obtain a detection result according to the error.
优选地，所述S4的步骤之后包括：S5，图像显示设备将检测结果反馈至调试设备。Preferably, the step of S4 is followed by: S5, the image display device feeds back the detection result to the debugging device.
优选地，所述第二图像信息为所述第一图像的部分图像信息，且第二图像信息为随机的图像信息。Preferably, the second image information is partial image information of the first image, and the second image information is random image information.
优选地，所述视频接口通道检测的方法还包括：Preferably, the method for detecting the video interface channel further includes:
S6，调试设备分别向图像显示设备、信号发生器发送视频接口通道切换指令，图像显示设备、信号发生器分别根据所述视频接口通道切换指令切换至相应的视频接口，返回步骤S1由信号发生器通过相应的视频接口向图像显示设备发送图像信息并循环，直至检测完图像显示设备的所有视频接口。S6, the debugging device respectively sends a video interface channel switching instruction to the image display device and the signal generator, and the image display device and the signal generator respectively switch to the corresponding video interface according to the video interface channel switching instruction, and returns to step S1 by the signal generator. The image information is transmitted to the image display device through the corresponding video interface and cycled until all video interfaces of the image display device are detected.
此外，为实现上述目的，本发明还提供一种视频接口通道检测的系统，所述系统包括图像显示设备、调试设备及信号发生器，其中，所述调试设备分别与所述图像显示设备及信号发生器通过串口连接，所述图像显示设备与信号发生器通过视频线连接，所述调试设备包括第一发送模块，所述信号发生器包括第二发送模块，所述图像显示设备包括采集模块、检测模块，其中：In addition, in order to achieve the above object, the present invention further provides a system for video interface channel detection, the system comprising an image display device, a debugging device and a signal generator, wherein the debugging device and the image display device and the signal respectively The generator is connected through a serial port, and the image display device is connected to the signal generator through a video line, the debugging device includes a first sending module, the signal generator includes a second sending module, and the image display device includes an acquiring module. Detection module, where:
所述第一发送模块，用于向信号发生器发出视频接口通道检测命令；The first sending module is configured to send a video interface channel detection command to the signal generator;
所述第二发送模块，用于向图像显示设备的当前视频接口发送第一图像信息，以供所述图像显示设备作为当前显示图像；The second sending module is configured to send first image information to a current video interface of the image display device, where the image display device is used as a current display image;
所述第一发送模块，还用于向图像显示设备发送检测指令，其中，所述检测指令与第一图像信息对应的第二图像信息及检测开始的指令；The first sending module is further configured to send a detection instruction to the image display device, where the detection instruction is second image information corresponding to the first image information and an instruction to start the detection;
所述采集模块，用于根据接收到的所述检测指令采集当前显示图像；The collecting module is configured to collect a current display image according to the received detection instruction;
所述检测模块，用于将所采集的图像与所述第二图像信息进行图像检测，得到检测结果。The detecting module is configured to perform image detection on the acquired image and the second image information to obtain a detection result.
优选地，所述检测模块包括：Preferably, the detecting module comprises:
查找单元，用于获取所述第二图像信息中的像素坐标信息，在所采集的图像中查找与所述像素坐标信息对应的像素点，并查找所述像素点的色彩信息；a searching unit, configured to acquire pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
计算单元，用于获取所述第二图像信息中的像素色彩信息，计算所述第二图像信息中的像素色彩信息与所查找到的像素点的色彩信息的误差，根据所述误差得到检测结果。a calculating unit, configured to acquire pixel color information in the second image information, calculate an error of pixel color information in the second image information and color information of the found pixel point, and obtain a detection result according to the error .
优选地，所述图像显示设备还包括反馈模块，用于将检测结果反馈至调试设备。Preferably, the image display device further includes a feedback module for feeding back the detection result to the debugging device.
优选地，所述第二图像信息为所述第一图像的部分图像信息，且第二图像信息为随机的图像信息。Preferably, the second image information is partial image information of the first image, and the second image information is random image information.
本发明一种视频接口通道检测的方法及系统，在调试设备上安装图像显示设备的视频接口通道检测软件程序，通过调试设备向信号发生器发出视频接口通道检测命令，信号发生器提供信号源给图像显示设备，且通过调试设备向发出检测指令给图像显示设备，图像显示设备根据检测指令采集当前显示的图像，然后根据所采集的图像与调试设备发送的图像进行图像检测，以此检测图像显示设备的视频接口通道，本发明能够提高图像显示设备的视频接口通道检测效率，实现检测的自动化，且发生漏检的几率降低。The invention provides a video interface channel detecting method and system, and installs a video interface channel detecting software program of an image display device on a debugging device, and sends a video interface channel detecting command to a signal generator through a debugging device, and the signal generator provides a signal source to The image display device sends a detection instruction to the image display device through the debugging device, and the image display device collects the currently displayed image according to the detection instruction, and then performs image detection according to the collected image and the image sent by the debugging device, thereby detecting the image display. The video interface channel of the device can improve the detection efficiency of the video interface channel of the image display device, realize the automation of detection, and reduce the probability of occurrence of missed detection.
附图说明DRAWINGS
图1为本发明视频接口通道检测的方法第一实施例的流程示意图；1 is a schematic flowchart of a first embodiment of a method for detecting a video interface channel according to the present invention;
图2为图1中将所采集的图像与所述第二图像信息进行图像检测，得到检测结果的细化流程示意图；FIG. 2 is a schematic diagram showing the refinement process of the image obtained by performing image detection on the acquired image and the second image information in FIG. 1;
图3为本发明视频接口通道检测的方法第二实施例的流程示意图；3 is a schematic flowchart of a second embodiment of a method for detecting a video interface channel according to the present invention;
图4为本发明视频接口通道检测的方法第三实施例的流程示意图；4 is a schematic flowchart of a third embodiment of a method for detecting a video interface channel according to the present invention;
图5为本发明视频接口通道检测的系统第一实施例的功能模块示意图；5 is a schematic diagram of functional modules of a first embodiment of a system for detecting video interface channels according to the present invention;
图6为图5中检测模块的细化功能模块示意图；6 is a schematic diagram of a refinement function module of the detection module of FIG. 5;
图7为本发明视频接口通道检测的系统第二实施例的功能模块示意图。FIG. 7 is a schematic diagram of functional modules of a second embodiment of a system for detecting video interface channels according to the present invention.
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.
具体实施方式detailed description
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
本发明提供一种视频接口通道检测的方法，参照图1，在第一实施例中，该视频接口通道检测的方法包括：The present invention provides a method for detecting a video interface channel. Referring to FIG. 1, in the first embodiment, the method for detecting a video interface channel includes:
步骤S1，信号发生器根据调试设备发送的视频接口通道检测命令向图像显示设备的当前视频接口发送第一图像信息，以供所述图像显示设备作为当前显示图像；Step S1: The signal generator sends the first image information to the current video interface of the image display device according to the video interface channel detection command sent by the debugging device, so that the image display device is used as the current display image;
本实施例中，图像显示设备有多种，可以是电视机、投影仪等。图像显示设备的操作系统可以为Android系统，也可以是其他的智能操作系统。信号发生器具有多种视频接口，如音视频接口、视频图形阵列接口或高清晰度多媒体接口等等。信号发生器通过视频线连接图像显示设备的视频接口。In this embodiment, there are various image display devices, which may be a television set, a projector, or the like. The operating system of the image display device may be an Android system or other smart operating system. The signal generator has a variety of video interfaces, such as audio and video interfaces, video graphics array interfaces or high definition multimedia interfaces. The signal generator is connected to the video interface of the image display device via a video cable.
信号发生器存储有多种特定静态的第一图像，所述静态的第一图像是指每一帧画面都相同的图像。信号发生器产生特定静态的第一图像信息，其作为信号源通过信号发生器上与图像显示设备当前视频接口相对应的视频接口，经视频线，然后再经图像显示设备的当前视频接口传输给图像显示设备。The signal generator stores a plurality of specific static first images, the static first images being images that are identical for each frame of the picture. The signal generator generates a specific static first image information, which is transmitted as a signal source through a video interface corresponding to a current video interface of the image display device on the signal generator, through the video line, and then transmitted to the current video interface of the image display device Image display device.
如图像显示设备的当前视频接口为视频图形阵列接口，则对应信号发生器的视频接口也为视频图形阵列接口。If the current video interface of the image display device is a video graphics array interface, the video interface corresponding to the signal generator is also a video graphics array interface.
图像显示设备接收信号发生器发送的第一图像信息，并显示在屏幕上作为测试之用。The image display device receives the first image information sent by the signal generator and displays it on the screen for testing purposes.
步骤S2，调试设备向图像显示设备发送检测指令，其中，所述检测指令包含与第一图像信息对应的第二图像信息及检测开始的指令；Step S2, the debugging device sends a detection instruction to the image display device, where the detection instruction includes second image information corresponding to the first image information and an instruction to start detection;
本实施例中，调试设备可以是计算机等设备，其与图像显示设备之间通过串口连接。In this embodiment, the debugging device may be a device such as a computer, and is connected to the image display device through a serial port.
其中，调试设备中安装有图像显示设备的视频接口通道的检测软件，通过检测软件，能够向图像显示设备发送检测指令。The detection software of the video interface channel of the image display device is installed in the debugging device, and the detection instruction can be sent to the image display device through the detection software.
其中，该检测指令中包含第二图像信息及检测开始的指令，该第二图像信息与上述的第一图像信息对应，如，第一图像为完整的一幅图像，而第二图像只包含该完整图像的一部分，如只包含完整图像中的部分像素点的坐标信息及对应的色彩信息等，且第二图像信息是随机的。The detection instruction includes second image information and an instruction to start detection, and the second image information corresponds to the first image information, for example, the first image is a complete image, and the second image only includes the A part of the complete image, such as coordinate information including only partial pixels in the complete image, corresponding color information, and the like, and the second image information is random.
当信号发生器根据调试设备发送的视频接口通道检测命令向图像显示设备发送第一图像信息时，调试设备通过串口向图像显示设备发送与第一图像信息对应的第二图像信息。When the signal generator sends the first image information to the image display device according to the video interface channel detection command sent by the debugging device, the debugging device sends the second image information corresponding to the first image information to the image display device through the serial port.
步骤S3，图像显示设备根据接收到的所述检测指令采集当前显示图像；Step S3, the image display device collects the current display image according to the received detection instruction;
本实施例中，图像显示设备同样具有多种视频接口，如音视频接口、视频图形阵列接口或高清晰度多媒体接口等等。In this embodiment, the image display device also has various video interfaces, such as an audio and video interface, a video graphics array interface, a high definition multimedia interface, and the like.
另外，本实施例的调试设备与信号发生器之间通过串口连接，调试设备不仅可以通过串口给信号发生器发出视频接口通道检测命令，还可以通过串口向图像显示设备及信号发生器发送切换视频接口的指令，使其能够自动切换视频接口。In addition, the debugging device and the signal generator of the embodiment are connected through a serial port, and the debugging device can not only send a video interface channel detection command to the signal generator through the serial port, but also can send a switching video to the image display device and the signal generator through the serial port. The interface's instructions enable it to automatically switch the video interface.
本实施例中，图像显示设备根据检测指令中的检测开始的指令采集当前显示的图像，图像采集就是从所述视频接口获取图像信号，即抓取当前显示的一帧图像，转换成一张固定图片，保存在图像显示设备内置的文件系统中。图像显示设备的采集过程以Android操作系统为例，该系统提供了截屏程序命令：screencap。该命令可以抓取屏幕当前显示的图像，保存为一张图片。图像显示设备接收到检测指令后，执行“screencap/tmp/test.png”命令，将当前显示的图像保存为tmp目录下的一张图片：test.png。In this embodiment, the image display device collects the currently displayed image according to the instruction of the detection start in the detection instruction, and the image acquisition is to acquire an image signal from the video interface, that is, capture a currently displayed image and convert it into a fixed image. , saved in the file system built into the image display device. The image display device acquisition process takes the Android operating system as an example, and the system provides a screen capture program command: screencap. This command can capture the image currently displayed on the screen and save it as a picture. After receiving the detection command, the image display device executes the "screencap/tmp/test.png" command to save the currently displayed image as a picture in the tmp directory: test.png.
步骤S4，图像显示设备将所采集的图像与所述第二图像信息进行图像检测，得到检测结果。In step S4, the image display device performs image detection on the acquired image and the second image information to obtain a detection result.
本实施例中，图像显示设备将所采集的图像与第二图像信息进行比对并计算两者的误差来进行图像检测。由于第二图像信息是随机的信息，包括像素点的坐标信息及像素点的色彩信息等。本实施例主要通过计算所采集的图像与第二图像信息两者对应的像素点的色彩信息之间的误差来检测图像显示设备的视频接口是否合格。In this embodiment, the image display device compares the acquired image with the second image information and calculates an error between the two to perform image detection. Since the second image information is random information, coordinate information of the pixel points, color information of the pixel points, and the like are included. In this embodiment, whether the video interface of the image display device is qualified is detected by calculating an error between color information of pixel points corresponding to both the acquired image and the second image information.
与现有技术相比，本实施例通过在调试设备上安装图像显示设备的视频接口通道检测软件程序，通过调试设备向信号发生器发出视频接口通道检测命令，信号发生器提供信号源给图像显示设备，且通过调试设备向发出检测指令给图像显示设备，图像显示设备根据检测指令采集当前显示的图像，然后根据所采集的图像与调试设备发送的图像进行图像检测，以此检测图像显示设备的视频接口通道，本实施例不需要人工来切换视频接口通道，能够提高图像显示设备的视频接口通道检测效率，实现检测的自动化，且发生漏检的几率降低，提高客户满意度。Compared with the prior art, the embodiment installs a video interface channel detection software program of the image display device on the debugging device, and sends a video interface channel detection command to the signal generator through the debugging device, and the signal generator provides a signal source to the image display. The device sends a detection command to the image display device through the debugging device, and the image display device collects the currently displayed image according to the detection instruction, and then performs image detection according to the acquired image and the image sent by the debugging device, thereby detecting the image display device. The video interface channel does not need to manually switch the video interface channel, which can improve the detection efficiency of the video interface channel of the image display device, realize the automation of detection, and reduce the probability of missed detection, thereby improving customer satisfaction.
在一优选的实施例中，如图2所示，在上述图1的实施例的基础上，上述步骤S4包括：In a preferred embodiment, as shown in FIG. 2, based on the foregoing embodiment of FIG. 1, the foregoing step S4 includes:
S41，获取所述第二图像信息中的像素坐标信息，在所采集的图像中查找与所述像素坐标信息对应的像素点，并查找所述像素点的色彩信息；S41: Obtain pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
S42，获取所述第二图像信息中的像素色彩信息，计算所述第二图像信息中的像素色彩信息与所查找到的像素点的色彩信息的误差，根据所述误差得到检测结果，且所述误差在允许的范围内时，检测结果合格。S42. Acquire pixel color information in the second image information, calculate an error of the pixel color information in the second image information and color information of the found pixel point, and obtain a detection result according to the error, and When the error is within the allowable range, the test result is acceptable.
本实施例中，图像显示设备获取第二图像信息中的像素坐标信息、对应像素的色彩信息，在采集到的图像中查找上述坐标信息的像素点，然后，计算第二图像信息与所采集的图像中一一对应的像素点的色彩误差，并判断所计算的误差是否在允许的范围内，若是，则检测通过，否则，检测不通过，该图像显示设备的视频端口的硬件出现异常，为不合格的产品。In this embodiment, the image display device acquires pixel coordinate information in the second image information, color information of the corresponding pixel, searches for the pixel point of the coordinate information in the collected image, and then calculates the second image information and the collected image. The color error of the corresponding pixel in the image, and judge whether the calculated error is within the allowable range. If yes, the detection passes; otherwise, the detection fails, and the hardware of the video port of the image display device is abnormal. unqualified product.
如图3所示，在上述图1的实施例的基础上，提出第二实施例，所述步骤S4之后包括：步骤S5，图像显示设备将检测结果反馈至调试设备。As shown in FIG. 3, on the basis of the foregoing embodiment of FIG. 1, a second embodiment is proposed. The step S4 includes: Step S5, the image display device feeds back the detection result to the debugging device.
本实施例中，图像显示设备将所述检测结果反馈至调试设备，并在调试设备上显示。检测人员可根据检测结果判定图像显示设备的视频接口通道是否正常。In this embodiment, the image display device feeds back the detection result to the debugging device and displays it on the debugging device. The detecting personnel can determine whether the video interface channel of the image display device is normal according to the detection result.
本实施例不需要检测人员目测通过每一视频接口的信号是否能够正常显示，大大提高视频接口通道检测的效率。In this embodiment, the detecting personnel does not need to visually check whether the signal passing through each video interface can be normally displayed, thereby greatly improving the efficiency of the video interface channel detecting.
如图4所示，在上述图2的实施例的基础上，提出第三实施例，所述视频接口通道检测的方法还包括：As shown in FIG. 4, on the basis of the foregoing embodiment of FIG. 2, a third embodiment is provided. The method for detecting a video interface channel further includes:
步骤S6，调试设备分别向图像显示设备、信号发生器发送视频接口通道切换指令，图像显示设备、信号发生器分别根据所述视频接口通道切换指令切换至相应的视频接口，返回步骤S1由信号发生器通过相应的视频接口向图像显示设备发送图像信息并循环，直至检测完图像显示设备的所有视频接口。Step S6, the debugging device respectively sends a video interface channel switching instruction to the image display device and the signal generator, and the image display device and the signal generator respectively switch to the corresponding video interface according to the video interface channel switching instruction, and returns to step S1 to generate a signal. The device transmits image information to the image display device through the corresponding video interface and loops until all video interfaces of the image display device are detected.
本实施例中，当检测完图像显示设备的当前视频接口所在的通道后，由调试设备发出切换指令，切换至其他视频接口通道进行检测，同时信号发生器也切换至相应的视频接口，直至将图像显示设备的所有视频接口所在的通道检测完。In this embodiment, after detecting the channel where the current video interface of the image display device is located, the debugging device issues a switching instruction, switches to another video interface channel for detection, and the signal generator also switches to the corresponding video interface until The channel where all the video interfaces of the image display device are detected is detected.
本实施例中，由调试设备向图像显示设备及信号发生器发出视频接口切换指令，图像显示设备及信号发生器切换至对应的视频接口，通过这种方式， 进行视频接口通道的自动切换，能够提高视频接口通道检测的效率。In this embodiment, the video interface switching instruction is sent to the image display device and the signal generator by the debugging device, and the image display device and the signal generator are switched to the corresponding video interface. In this way, Automatic switching of the video interface channel can improve the efficiency of video interface channel detection.
本发明还提供一种视频接口通道检测的系统，如图5所示，在一实施例中，系统包括图像显示设备、调试设备及信号发生器，其中，调试设备分别与图像显示设备及信号发生器通过串口连接，图像显示设备与信号发生器通过视频线连接，调试设备包括第一发送模块101，信号发生器包括第二发送模块102，所述图像显示设备包括采集模块103、检测模块104，其中：The present invention also provides a system for video interface channel detection. As shown in FIG. 5, in an embodiment, the system includes an image display device, a debugging device, and a signal generator, wherein the debugging device and the image display device and the signal are respectively generated. The image display device is connected to the signal generator through a video cable. The debugging device includes a first sending module 101. The signal generator includes a second sending module 102. The image display device includes an acquiring module 103 and a detecting module 104. among them:
第一发送模块101，用于向信号发生器发出视频接口通道检测命令；a first sending module 101, configured to send a video interface channel detection command to the signal generator;
第二发送模块102，用于在接收到所述调试设备的第一发送模块101发出视频接口通道检测命令后，向图像显示设备的当前视频接口发送第一图像信息，以供所述图像显示设备作为当前显示图像；The second sending module 102 is configured to send, after the first sending module 101 of the debugging device sends a video interface channel detecting command, first image information to the current video interface of the image display device, for the image display device As the current display image;
本实施例中，图像显示设备有多种，可以是电视机、投影仪等。图像显示设备的操作系统可以为Android系统，也可以是其他的智能操作系统。信号发生器具有多种视频接口，如音视频接口、视频图形阵列接口或高清晰度多媒体接口等等。信号发生器通过视频线连接图像显示设备的视频接口。In this embodiment, there are various image display devices, which may be a television set, a projector, or the like. The operating system of the image display device may be an Android system or other smart operating system. The signal generator has a variety of video interfaces, such as audio and video interfaces, video graphics array interfaces or high definition multimedia interfaces. The signal generator is connected to the video interface of the image display device via a video cable.
信号发生器存储有多种特定静态的第一图像，所述静态的第一图像是指每一帧画面都相同的图像。信号发生器产生特定静态的第一图像信息，其作为信号源通过与图像显示设备当前视频接口相对应的视频接口，经视频线，然后再经图像显示设备的当前视频接口传输给图像显示设备。The signal generator stores a plurality of specific static first images, the static first images being images that are identical for each frame of the picture. The signal generator generates a particular static first image information that is transmitted as a signal source to the image display device via a video interface corresponding to the current video interface of the image display device, via the video line, and then through the current video interface of the image display device.
如图像显示设备的当前视频接口为视频图形阵列接口，则对应信号发生器的视频接口也为视频图形阵列接口。If the current video interface of the image display device is a video graphics array interface, the video interface corresponding to the signal generator is also a video graphics array interface.
图像显示设备接收信号发生器发送的第一图像信息，并显示在屏幕上作为测试之用。The image display device receives the first image information sent by the signal generator and displays it on the screen for testing purposes.
第一发送模块101，还用于在第二发送模块102向图像显示设备的当前视频接口发送第一图像信息后，向图像显示设备发送检测指令，其中，所述检测指令包含与第一图像信息对应的第二图像信息及检测开始的指令；The first sending module 101 is further configured to: after the second sending module 102 sends the first image information to the current video interface of the image display device, send a detection instruction to the image display device, where the detection instruction includes the first image information Corresponding second image information and an instruction to start detection;
本实施例中，调试设备可以是计算机等设备，其与图像显示设备之间通过串口连接。In this embodiment, the debugging device may be a device such as a computer, and is connected to the image display device through a serial port.
其中，调试设备中安装有图像显示设备的视频接口通道的检测软件，通过检测软件，能够向图像显示设备发送检测指令。The detection software of the video interface channel of the image display device is installed in the debugging device, and the detection instruction can be sent to the image display device through the detection software.
其中，该检测指令中包含第二图像信息及检测开始的指令，该第二图像信息与上述的第一图像信息对应，如，第一图像为完整的一幅图像，而第二图像只包含该完整图像的一部分，如只包含完整图像中的部分像素点的坐标信息及对应的色彩信息等，且第二图像信息是随机的。The detection instruction includes second image information and an instruction to start detection, and the second image information corresponds to the first image information, for example, the first image is a complete image, and the second image only includes the A part of the complete image, such as coordinate information including only partial pixels in the complete image, corresponding color information, and the like, and the second image information is random.
当信号发生器根据调试设备发送的视频接口通道检测命令向图像显示设备发送第一图像信息时，调试设备通过串口向图像显示设备发送与第一图像信息对应的第二图像信息。When the signal generator sends the first image information to the image display device according to the video interface channel detection command sent by the debugging device, the debugging device sends the second image information corresponding to the first image information to the image display device through the serial port.
采集模块103，用于根据接收到的所述检测指令采集当前显示图像；The collecting module 103 is configured to collect a current display image according to the received detection instruction;
本实施例中，图像显示设备同样具有多种视频接口，如音视频接口、视频图形阵列接口或高清晰度多媒体接口等等。In this embodiment, the image display device also has various video interfaces, such as an audio and video interface, a video graphics array interface, a high definition multimedia interface, and the like.
另外，本实施例的调试设备与信号发生器之间通过串口连接，调试设备不仅可以通过串口给信号发生器发出视频接口通道检测命令，还可以通过串口向图像显示设备及信号发生器发送切换视频接口的指令，使其能够自动切换视频接口。In addition, the debugging device and the signal generator of the embodiment are connected through a serial port, and the debugging device can not only send a video interface channel detection command to the signal generator through the serial port, but also can send a switching video to the image display device and the signal generator through the serial port. The interface's instructions enable it to automatically switch the video interface.
本实施例中，图像显示设备根据检测指令中的检测开始的指令采集当前显示的图像，图像采集就是从视频接口获取图像信号，即抓取当前显示的一帧图像，转换成一张固定图片，保存在图像显示设备内置的文件系统中。图像显示设备的采集过程以Android操作系统为例，该系统提供了截屏程序命令：screencap。该命令可以抓取屏幕当前显示的图像，保存为一张图片。图像显示设备接收到检测指令后，执行“screencap/tmp/test.png”命令，将当前显示的图像保存为tmp目录下的一张图片：test.png。In this embodiment, the image display device collects the currently displayed image according to the instruction of the detection start in the detection instruction, and the image acquisition is to acquire the image signal from the video interface, that is, capture the currently displayed image of one frame, convert it into a fixed image, and save In the file system built into the image display device. The image display device acquisition process takes the Android operating system as an example, and the system provides a screen capture program command: screencap. This command can capture the image currently displayed on the screen and save it as a picture. After receiving the detection command, the image display device executes the "screencap/tmp/test.png" command to save the currently displayed image as a picture in the tmp directory: test.png.
检测模块104，用于将所采集的图像与所述第二图像信息进行图像检测，得到检测结果。The detecting module 104 is configured to perform image detection on the acquired image and the second image information to obtain a detection result.
本实施例中，图像显示设备将所采集的图像与第二图像信息进行比对并计算两者的误差来进行图像检测。由于第二图像信息是随机的信息，包括像素点的坐标信息及像素点的色彩信息等。本实施例主要通过计算所采集的图像与第二图像信息两者对应的像素点的色彩信息之间的误差来检测图像显示设备的视频接口是否合格。In this embodiment, the image display device compares the acquired image with the second image information and calculates an error between the two to perform image detection. Since the second image information is random information, coordinate information of the pixel points, color information of the pixel points, and the like are included. In this embodiment, whether the video interface of the image display device is qualified is detected by calculating an error between color information of pixel points corresponding to both the acquired image and the second image information.
在一优选的实施例中，如图6所示，在上述图5的实施例的基础上，上述检测模块104包括：In a preferred embodiment, as shown in FIG. 6, on the basis of the foregoing embodiment of FIG. 5, the detecting module 104 includes:
查找单元1041，用于获取所述第二图像信息中的像素坐标信息，在所采集的图像中查找与所述像素坐标信息对应的像素点，并查找所述像素点的色彩信息；a searching unit 1041, configured to acquire pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
计算单元1042，用于获取所述第二图像信息中的像素色彩信息，计算所述第二图像信息中的像素色彩信息与所查找到的像素点的色彩信息的误差，根据所述误差得到检测结果。The calculating unit 1042 is configured to acquire pixel color information in the second image information, calculate an error of the pixel color information in the second image information and the color information of the found pixel point, and detect the error according to the error result.
本实施例中，图像显示设备获取第二图像信息中的像素坐标信息、对应像素的色彩信息，在采集到的图像中查找上述坐标信息的像素点，然后，计算第二图像信息与所采集的图像中一一对应的像素点的色彩误差，并判断所计算的误差是否在 允许的范围内，若是，则检测通过，否则，检测不通过，该图像显示设备的视频端口的硬件出现异常，为不合格的产品。In this embodiment, the image display device acquires pixel coordinate information in the second image information, color information of the corresponding pixel, searches for the pixel point of the coordinate information in the collected image, and then calculates the second image information and the collected image. The color error of the pixel corresponding to the image, and judge whether the calculated error is Within the allowable range, if yes, the detection passes, otherwise, the detection fails, and the hardware of the video port of the image display device is abnormal, which is an unqualified product.
如图7所示，在上述图5的实施例的基础上，提出第二实施例，所述图像显示设备还包括反馈模块105，用于将检测结果反馈至调试设备。As shown in FIG. 7, on the basis of the foregoing embodiment of FIG. 5, a second embodiment is proposed. The image display device further includes a feedback module 105 for feeding back the detection result to the debugging device.
本实施例中，图像显示设备将检测结果反馈至调试设备，并在调试设备上显示。检测人员可根据检测结果信息判定图像显示设备的视频接口通道是否正常。In this embodiment, the image display device feeds back the detection result to the debugging device and displays it on the debugging device. The detecting personnel can determine whether the video interface channel of the image display device is normal according to the detection result information.
本实施例不需要检测人员目测通过每一视频接口的信号是否能够正常显示，大大提高视频接口通道检测的效率。In this embodiment, the detecting personnel does not need to visually check whether the signal passing through each video interface can be normally displayed, thereby greatly improving the efficiency of the video interface channel detecting.
在一优选的实施例中，当检测完图像显示设备的当前视频接口所在的通道后，由调试设备发出视频接口通道切换指令分别至图像显示设备及信号发生器，图像显示设备切换至其他视频接口通道进行检测，同时信号发生器也切换至相应的视频接口通道，直至将图像显示设备的所有视频接口所在的通道检测完。In a preferred embodiment, after detecting the channel where the current video interface of the image display device is located, the debugging interface issues a video interface channel switching instruction to the image display device and the signal generator, respectively, and the image display device switches to another video interface. The channel is detected and the signal generator is switched to the corresponding video interface channel until the channel in which all video interfaces of the image display device are located is detected.
本实施例中，由调试设备向图像显示设备及信号发生器发出视频接口切换指令，图像显示设备及信号发生器切换至对应的视频接口，通过这种方式， 进行视频接口通道的自动切换，能够提高视频接口通道检测的效率。In this embodiment, the video interface switching instruction is sent to the image display device and the signal generator by the debugging device, and the image display device and the signal generator are switched to the corresponding video interface. In this way, Automatic switching of the video interface channel can improve the efficiency of video interface channel detection.
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims (16)

  1. 一种视频接口通道检测的方法，其特征在于，所述视频接口通道检测的方法包括以下步骤： A method for detecting a channel of a video interface, wherein the method for detecting a channel of the video interface comprises the following steps:
    S1，信号发生器根据调试设备发送的视频接口通道检测命令向图像显示设备的当前视频接口发送第一图像信息，以供所述图像显示设备作为当前显示图像；S1, the signal generator sends the first image information to the current video interface of the image display device according to the video interface channel detection command sent by the debugging device, so that the image display device is used as the current display image;
    S2，调试设备向图像显示设备发送检测指令，其中，所述检测指令包含与第一图像信息对应的第二图像信息及检测开始的指令；S2. The debugging device sends a detection instruction to the image display device, where the detection instruction includes second image information corresponding to the first image information and an instruction to start detection;
    S3，图像显示设备根据接收到的所述检测指令采集当前显示图像；S3. The image display device collects a current display image according to the received detection instruction.
    S4，图像显示设备将所采集的图像与所述第二图像信息进行图像检测，得到检测结果。 S4. The image display device performs image detection on the acquired image and the second image information to obtain a detection result.
  2. 如权利要求1所述的视频接口通道检测的方法，其特征在于，所述S4的步骤包括：The method for detecting a video interface channel according to claim 1, wherein the step of S4 comprises:
    S41，获取所述第二图像信息中的像素坐标信息，在所采集的图像中查找与所述像素坐标信息对应的像素点，并查找所述像素点的色彩信息；S41: Obtain pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
    S42，获取所述第二图像信息中的像素色彩信息，计算所述第二图像信息中的像素色彩信息与所查找到的像素点的色彩信息的误差，根据所述误差得到检测结果。S42. Acquire pixel color information in the second image information, calculate an error of the pixel color information in the second image information and color information of the found pixel point, and obtain a detection result according to the error.
  3. 如权利要求1所述的视频接口通道检测的方法，其特征在于，所述S4的步骤之后包括：S5，图像显示设备将检测结果反馈至调试设备。The method for detecting a video interface channel according to claim 1, wherein the step of S4 comprises: S5, the image display device feeds back the detection result to the debugging device.
  4. 如权利要求1所述的视频接口通道检测的方法，其特征在于，所述第二图像信息为所述第一图像的部分图像信息，且第二图像信息为随机的图像信息。The method for detecting video interface channel according to claim 1, wherein the second image information is partial image information of the first image, and the second image information is random image information.
  5. 如权利要求2所述的视频接口通道检测的方法，其特征在于，所述第二图像信息为所述第一图像的部分图像信息，且第二图像信息为随机的图像信息。The method for detecting video interface channel according to claim 2, wherein the second image information is partial image information of the first image, and the second image information is random image information.
  6. 如权利要求1所述的视频接口通道检测的方法，其特征在于，所述视频接口通道检测的方法还包括：The method for detecting a video interface channel according to claim 1, wherein the method for detecting the channel of the video interface further comprises:
    S6，调试设备分别向图像显示设备、信号发生器发送视频接口通道切换指令，图像显示设备、信号发生器分别根据所述视频接口通道切换指令切换至相应的视频接口，返回步骤S1由信号发生器通过相应的视频接口向图像显示设备发送图像信息并循环，直至检测完图像显示设备的所有视频接口。S6, the debugging device respectively sends a video interface channel switching instruction to the image display device and the signal generator, and the image display device and the signal generator respectively switch to the corresponding video interface according to the video interface channel switching instruction, and returns to step S1 by the signal generator. The image information is transmitted to the image display device through the corresponding video interface and cycled until all video interfaces of the image display device are detected.
  7. 如权利要求2所述的视频接口通道检测的方法，其特征在于，所述视频接口通道检测的方法还包括：The method for detecting a video interface channel according to claim 2, wherein the method for detecting the channel of the video interface further comprises:
    S6，调试设备分别向图像显示设备、信号发生器发送视频接口通道切换指令，图像显示设备、信号发生器分别根据所述视频接口通道切换指令切换至相应的视频接口，返回步骤S1由信号发生器通过相应的视频接口向图像显示设备发送图像信息并循环，直至检测完图像显示设备的所有视频接口。S6, the debugging device respectively sends a video interface channel switching instruction to the image display device and the signal generator, and the image display device and the signal generator respectively switch to the corresponding video interface according to the video interface channel switching instruction, and returns to step S1 by the signal generator. The image information is transmitted to the image display device through the corresponding video interface and cycled until all video interfaces of the image display device are detected.
  8. 如权利要求3所述的视频接口通道检测的方法，其特征在于，所述视频接口通道检测的方法还包括：The method for detecting a channel of a video interface according to claim 3, wherein the method for detecting the channel of the video interface further comprises:
    S6，调试设备分别向图像显示设备、信号发生器发送视频接口通道切换指令，图像显示设备、信号发生器分别根据所述视频接口通道切换指令切换至相应的视频接口，返回步骤S1由信号发生器通过相应的视频接口向图像显示设备发送图像信息并循环，直至检测完图像显示设备的所有视频接口。S6, the debugging device respectively sends a video interface channel switching instruction to the image display device and the signal generator, and the image display device and the signal generator respectively switch to the corresponding video interface according to the video interface channel switching instruction, and returns to step S1 by the signal generator. The image information is transmitted to the image display device through the corresponding video interface and cycled until all video interfaces of the image display device are detected.
  9. 一种视频接口通道检测的系统，其特征在于，所述系统包括图像显示设备、调试设备及信号发生器，其中，所述调试设备分别与所述图像显示设备及信号发生器通过串口连接，所述图像显示设备与信号发生器通过视频线连接，所述调试设备包括第一发送模块，所述信号发生器包括第二发送模块，所述图像显示设备包括采集模块、检测模块，其中：A video interface channel detection system, wherein the system includes an image display device, a debugging device, and a signal generator, wherein the debugging device is respectively connected to the image display device and the signal generator through a serial port. The image display device and the signal generator are connected by a video line, the debugging device includes a first sending module, the signal generator includes a second sending module, and the image display device includes an acquiring module and a detecting module, wherein:
    所述第一发送模块，用于向信号发生器发出视频接口通道检测命令；The first sending module is configured to send a video interface channel detection command to the signal generator;
    所述第二发送模块，用于向图像显示设备的当前视频接口发送第一图像信息，以供所述图像显示设备作为当前显示图像；The second sending module is configured to send first image information to a current video interface of the image display device, where the image display device is used as a current display image;
    所述第一发送模块，还用于向图像显示设备发送检测指令，其中，所述检测指令与第一图像信息对应的第二图像信息及检测开始的指令；The first sending module is further configured to send a detection instruction to the image display device, where the detection instruction is second image information corresponding to the first image information and an instruction to start the detection;
    所述采集模块，用于根据接收到的所述检测指令采集当前显示图像；The collecting module is configured to collect a current display image according to the received detection instruction;
    所述检测模块，用于将所采集的图像与所述第二图像信息进行图像检测，得到检测结果。The detecting module is configured to perform image detection on the acquired image and the second image information to obtain a detection result.
  10. 如权利要求9所述的视频接口通道检测的系统，其特征在于，所述检测模块包括：The system for detecting a video interface channel according to claim 9, wherein the detecting module comprises:
    查找单元，用于获取所述第二图像信息中的像素坐标信息，在所采集的图像中查找与所述像素坐标信息对应的像素点，并查找所述像素点的色彩信息；a searching unit, configured to acquire pixel coordinate information in the second image information, search for a pixel point corresponding to the pixel coordinate information in the collected image, and search for color information of the pixel point;
    计算单元，用于获取所述第二图像信息中的像素色彩信息，计算所述第二图像信息中的像素色彩信息与所查找到的像素点的色彩信息的误差，根据所述误差得到检测结果。a calculating unit, configured to acquire pixel color information in the second image information, calculate an error of pixel color information in the second image information and color information of the found pixel point, and obtain a detection result according to the error .
  11. 如权利要求9所述的视频接口通道检测的系统，其特征在于，所述图像显示设备还包括反馈模块，用于将检测结果反馈至调试设备。The video interface channel detection system of claim 9, wherein the image display device further comprises a feedback module for feeding back the detection result to the debugging device.
  12. 如权利要求9所述的视频接口通道检测的系统，其特征在于，所述第二图像信息为所述第一图像的部分图像信息，且第二图像信息为随机的图像信息。The system for detecting video interface channel according to claim 9, wherein the second image information is partial image information of the first image, and the second image information is random image information.
  13. 如权利要求10所述的视频接口通道检测的系统，其特征在于，所述第二图像信息为所述第一图像的部分图像信息，且第二图像信息为随机的图像信息。The video interface channel detection system of claim 10, wherein the second image information is partial image information of the first image, and the second image information is random image information.
  14. 如权利要求9所述的视频接口通道检测的系统，其特征在于，所述调试设备发出视频接口通道切换指令分别至图像显示设备及信号发生器，图像显示设备切换至其他视频接口通道进行检测，同时信号发生器也切换至相应的视频接口通道，直至将图像显示设备的所有视频接口所在的通道检测完。The system for detecting video channel channel according to claim 9, wherein the debugging device issues a video interface channel switching instruction to the image display device and the signal generator, and the image display device switches to another video interface channel for detection. At the same time, the signal generator also switches to the corresponding video interface channel until the channel where all the video interfaces of the image display device are located is detected.
  15. 如权利要求10所述的视频接口通道检测的系统，其特征在于，所述调试设备发出视频接口通道切换指令分别至图像显示设备及信号发生器，图像显示设备切换至其他视频接口通道进行检测，同时信号发生器也切换至相应的视频接口通道，直至将图像显示设备的所有视频接口所在的通道检测完。The system for detecting video channel channel according to claim 10, wherein the debugging device issues a video interface channel switching instruction to the image display device and the signal generator, and the image display device switches to another video interface channel for detection. At the same time, the signal generator also switches to the corresponding video interface channel until the channel where all the video interfaces of the image display device are located is detected.
  16. 如权利要求11所述的视频接口通道检测的系统，其特征在于，所述调试设备发出视频接口通道切换指令分别至图像显示设备及信号发生器，图像显示设备切换至其他视频接口通道进行检测，同时信号发生器也切换至相应的视频接口通道，直至将图像显示设备的所有视频接口所在的通道检测完。The system for detecting video channel channel according to claim 11, wherein the debugging device issues a video interface channel switching instruction to the image display device and the signal generator, and the image display device switches to another video interface channel for detection. At the same time, the signal generator also switches to the corresponding video interface channel until the channel where all the video interfaces of the image display device are located is detected.
PCT/CN2015/090230 2014-11-27 2015-09-22 Method and system for detecting video interface channel WO2016082611A1 (en)

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