WO2021082922A1 - 一种检测屏幕显示断线的方法及设备 - Google Patents
一种检测屏幕显示断线的方法及设备 Download PDFInfo
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- WO2021082922A1 WO2021082922A1 PCT/CN2020/120879 CN2020120879W WO2021082922A1 WO 2021082922 A1 WO2021082922 A1 WO 2021082922A1 CN 2020120879 W CN2020120879 W CN 2020120879W WO 2021082922 A1 WO2021082922 A1 WO 2021082922A1
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- 238000013527 convolutional neural network Methods 0.000 claims abstract description 33
- 230000015654 memory Effects 0.000 claims description 17
- 230000001186 cumulative effect Effects 0.000 claims description 7
- 238000013528 artificial neural network Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 2
- 238000004590 computer program Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000005291 magnetic effect Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20081—Training; Learning
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- G—PHYSICS
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- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20084—Artificial neural networks [ANN]
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30121—CRT, LCD or plasma display
Definitions
- This application relates to the field of screen detection, and in particular to a method and device for detecting disconnection of a screen display.
- the screen display problems of smart devices include display disconnection, dead pixels, etc.
- the existing disconnection detection methods usually use classification methods to obtain disconnection location information, which consumes a lot of computing resources and generates redundant calculations. Process, and it is difficult to obtain the precise disconnection position, and it is also impossible to automatically obtain the point of the disconnection.
- An object of the present application is to provide a method and device for detecting disconnection of a screen display, so as to solve the problems of low efficiency in detecting the disconnection of the screen display, difficulty in automatically detecting the disconnection position, and inaccurate judgment of the disconnection position in the prior art.
- a method for detecting disconnection of a screen display including:
- the target extension map is determined, and the position of the disconnection is determined according to the determination result.
- the using the convolutional neural network to obtain the information of the target point in the disconnection includes:
- the using the convolutional neural network to obtain the pixel value of the target point in the broken line includes:
- the pixel value of the target point is determined according to the number of the multiple pixel points and the pixel value of the multiple pixel points.
- the using the convolutional neural network to obtain the coordinate information of the target point in the broken line includes:
- the coordinate information of the target point is determined according to the ratio of the cumulative sum of the coordinate information corresponding to the multiple pixel points to the number of the multiple pixel points.
- the performing area extension according to the information of the target point to obtain a target extension map includes:
- the determining the target extension map and determining the position of the disconnection according to the determination result includes:
- the target extension map is allowed to be extended by the region, and if so, the target extension map is continued to be regionally extended; if not, the location of the disconnection is determined according to the target extension map.
- determining whether the target extension map is allowed to be extended by the region if yes, continue the region extension of the target extension map; if not, determining the location of the disconnection according to the target extension map, including:
- determining whether the target extension map is allowed to be extended by the region if yes, continue the region extension of the target extension map; if not, determining the location of the disconnection according to the target extension map, including:
- the convolutional neural network is a segmentation neural network u-net network.
- a computer-readable medium having computer-readable instructions stored thereon, and the computer-readable instructions can be executed by a processor to implement the aforementioned method for detecting disconnection of a screen display.
- a device for detecting disconnection of a screen display wherein the device includes:
- One or more processors are One or more processors.
- a memory storing computer-readable instructions, which when executed, cause the processor to perform the operations of the aforementioned method for detecting disconnection of a screen display.
- the present application obtains the information of the target point in the broken line by using the convolutional neural network; performs area extension according to the information of the target point to obtain the target extension map; judges the target extension map, The location of the disconnection is determined according to the determination result. So as to automatically detect whether the screen has a display disconnection and accurately determine the location of the screen disconnection.
- Fig. 1 shows a schematic flow chart of a method for detecting a screen display disconnection according to an aspect of the present application.
- the terminal, the equipment of the service network, and the trusted party all include one or more processors (CPU), input/output interfaces, network interfaces, and memory.
- processors CPU
- input/output interfaces network interfaces
- memory volatile and non-volatile memory
- the memory may include non-permanent memory in a computer readable medium, random access memory (RAM) and/or non-volatile memory, such as read-only memory (ROM) or flash memory (flash RAM). Memory is an example of computer readable media.
- RAM random access memory
- ROM read-only memory
- flash RAM flash memory
- Computer-readable media include permanent and non-permanent, removable and non-removable media, and information storage can be realized by any method or technology.
- the information can be computer-readable instructions, data structures, program modules, or other data.
- Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical storage, Magnetic cassettes, magnetic tape disk storage or other magnetic storage devices or any other non-transmission media can be used to store information that can be accessed by computing devices.
- computer-readable media does not include non-transitory computer-readable media (transitory media), such as modulated data signals and carrier waves.
- Fig. 1 shows a schematic flow chart of a method for detecting a broken line in a screen display according to an aspect of the present application.
- the method includes: steps S11 to S13, wherein, in step S11, a convolutional neural network is used to obtain a target point in the broken line Step S12, perform area extension based on the information of the target point to obtain a target extension map; step S13, determine the target extension map, and determine the location of the disconnection according to the determination result. So as to automatically detect whether the screen has a display disconnection and accurately determine the location of the screen disconnection.
- a convolutional neural network is used to obtain the information of the target point in the disconnection.
- the trained convolutional neural network is used to detect the broken line, and the information of multiple points in the broken line can be obtained, such as the position coordinate information and the corresponding pixel value corresponding to the multiple points.
- the trained The convolutional neural network is obtained by training using the labeled disconnection data; then, the information of the target point is obtained after calculation based on the information of the above multiple points, where the information of the target point includes but is not limited to the target point The position coordinate information and the pixel value of the target point.
- the process of obtaining the target point information becomes simple and fast, the obtained result is intuitive, no complicated verification process is required, and the accuracy is high.
- step S12 area extension is performed according to the information of the target point to obtain a target extension map.
- the horizontal and vertical extensions are performed according to the position coordinate information of the target point and the pixel value of the target point.
- the pixel points whose neighboring pixel values do not exceed a preset threshold are captured by The area extension is completed, and the target extension map is determined in combination with the target point.
- step S13 the target extension map is determined, and the position of the disconnection is determined according to the determination result.
- it is determined whether the obtained target extension map can be further extended if yes, then the target extension map is further extended; if not, the target extension map is the broken line, and the result is obtained according to the position coordinate information corresponding to the target extension map. Describe the position coordinate information of the broken line
- a convolutional neural network is used to obtain the pixel value of the target point in the disconnection; and the convolutional neural network is used to obtain the coordinate information of the target point in the disconnection.
- the information of the target point in the disconnection includes but is not limited to pixel value and coordinate information, and the information of the target point in the disconnection can be accurately obtained through the convolutional neural network.
- a convolutional neural network is used to obtain the pixel values of multiple pixels in the broken line; the number of the multiple pixels and the pixel values of the multiple pixels are used to determine the value of the target point Pixel values.
- the ratio of the cumulative sum of the pixel values of the multiple pixel points to the number of the multiple pixel points may be used to determine the pixel value of the target point.
- a convolutional neural network is used to obtain coordinate information corresponding to multiple pixels in the broken line; determine the number of the multiple pixels and calculate the cumulative sum of coordinate information corresponding to the multiple pixels;
- the coordinate information of the target point is determined according to the ratio of the cumulative sum of the coordinate information corresponding to the multiple pixel points to the number of the multiple pixel points.
- the use of the convolutional neural network can automatically and accurately obtain the coordinate information of multiple pixel points in the broken line, so as to accurately obtain the coordinate information of the target point.
- the above method of determining the coordinate information of the target point is only an example, and other methods may also be included.
- the coordinate information corresponding to multiple pixels may be accumulated and the number of the multiple pixels may be combined. To determine the coordinate information of the target point.
- the first neighboring pixel is determined according to the coordinate information of the target point, and the pixel value of the first neighboring pixel is obtained; it is determined that the pixel value of the target point is the same as that of the first neighboring pixel. Whether the difference between the pixel values of is smaller than a first preset threshold, and if so, a target extension map is determined according to the first neighboring pixel and the target point.
- the coordinate information of the target point is used to capture the surrounding pixels directly adjacent to each other to obtain a plurality of first adjacent pixels, and obtain the pixel values of the plurality of first adjacent pixels.
- a first preset threshold is set, and when the absolute value of the difference between the pixel value of the target point and the pixel value of the first adjacent pixel is less than the first preset threshold, the first adjacent pixel is set Pixels are added to the target point in a preset manner to form a target extension map.
- the preset manner includes but is not limited to: marking the first adjacent pixel and the target point in a preset manner, according to The marked pixels in a preset manner determine the target extension map.
- step S13 it is determined whether the target extension map is allowed to be extended by the region, if so, the target extension map is continued to be regionally extended; if not, the location of the disconnection is determined according to the target extension map .
- the area extension includes horizontal extension and vertical extension.
- the target extension drawing is a broken line, according to the position of the target extension drawing. Determine the location of the disconnection.
- the target stretch map reaches the current last horizontal position after horizontally extending, and the pixel value of the neighboring pixel at the current last horizontal position is compared with the pixel average value, wherein the current last horizontal position Adjacent pixels are not in the target extension map.
- a second preset threshold is set, and when the difference between the pixel value of the adjacent pixel at the current last horizontal position and the average value of the pixel is less than the second preset threshold, the target extension map allows Is extended by the region, the adjacent pixels at the current last horizontal position are included in the target extension map and continue to extend the target extension map horizontally; when the pixel value of the pixel at the current last horizontal position and the pixel
- the target extension map is not allowed to extend to the last current horizontal position, and the horizontal position of the target extension map is the horizontal position of the broken line, To accurately confirm the horizontal position of the broken wire.
- the target extension map reaches the current last vertical position after being vertically extended, and the pixel value of the neighboring pixel at the current last vertical position is compared with the average value of the pixels, wherein the current last vertical position Adjacent pixels are not in the target extension map.
- a third preset threshold is set, and when the difference between the pixel value of the adjacent pixel at the current last vertical position and the average value of the pixel is less than the third preset threshold, the target extension map allows By area extension, the adjacent pixel at the current last vertical position is included in the target extension image and the target extension image is continued to be extended vertically; when the pixel value of the adjacent pixel at the current last vertical position is the same as that of the target extension image.
- the target extension image is not allowed to extend to the current last vertical position, and the vertical position of the target extension image is the vertical position of the broken line Position to accurately confirm the vertical position of the broken wire.
- the convolutional neural network is a segmented neural network u-net network.
- the broken line area and the normal display area of the broken line picture can be displayed on the screen manually, and the marked picture is used to train the segmented neural network u-net network to obtain the broken line detection model, and use the broken line
- the detection model detects the picture to be detected, and when a broken line is detected, multiple pixels in the broken line are obtained, and the target point can be accurately obtained after the calculation in the foregoing manner.
- an embodiment of the present application also provides a computer-readable medium having computer-readable instructions stored thereon, and the computer-readable instructions can be executed by a processor to implement the aforementioned method for detecting a screen display disconnection.
- a device for detecting disconnection of a screen display wherein the device includes:
- One or more processors are One or more processors.
- a memory storing computer-readable instructions, which when executed, cause the processor to perform the operations of the aforementioned method for detecting disconnection of a screen display.
- the one or more processors use the convolutional neural network to obtain the information of the target point in the disconnection; perform area extension according to the information of the target point to obtain the target extension map ; Judge the target extension map, and determine the location of the disconnection according to the determination result.
- this application can be implemented in software and/or a combination of software and hardware.
- it can be implemented by an application specific integrated circuit (ASIC), a general purpose computer or any other similar hardware device.
- the software program of the present application may be executed by a processor to realize the steps or functions described above.
- the software program (including related data structure) of the present application can be stored in a computer-readable recording medium, such as RAM memory, magnetic or optical drive or floppy disk and similar devices.
- some steps or functions of the present application may be implemented by hardware, for example, as a circuit that cooperates with a processor to execute each step or function.
- a part of this application can be applied as a computer program product, such as a computer program instruction, when it is executed by a computer, through the operation of the computer, the method and/or technical solution according to this application can be invoked or provided.
- the program instructions for calling the method of the present application may be stored in a fixed or removable recording medium, and/or be transmitted through a data stream in a broadcast or other signal-bearing medium, and/or be stored in accordance with the Said program instructions run in the working memory of the computer equipment.
- an embodiment according to the present application includes a device that includes a memory for storing computer program instructions and a processor for executing the program instructions, wherein when the computer program instructions are executed by the processor, the device triggers
- the operation of the device is based on the aforementioned methods and/or technical solutions according to multiple embodiments of the present application.
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Abstract
Description
Claims (11)
- 一种检测屏幕显示断线的方法,其中,所述方法包括:利用卷积神经网络获取断线中的目标点的信息;根据所述目标点的信息进行区域延伸,得到目标延伸图;对所述目标延伸图进行判定,根据判定结果确定所述断线的位置。
- 根据权利要求1所述的方法,其中,所述利用卷积神经网络获取断线中的目标点的信息,包括:利用卷积神经网络获取断线中的目标点的像素值;利用卷积神经网络获取断线中的目标点的坐标信息。
- 根据权利要求2所述的方法,其中,所述利用卷积神经网络获取断线中的目标点的像素值,包括:利用卷积神经网络获取断线中的多个像素点的像素值;根据所述多个像素点的数量以及所述多个像素点的像素值确定所述目标点的像素值。
- 根据权利要求2所述的方法,其中,所述利用卷积神经网络获取断线中的目标点的坐标信息,包括:利用卷积神经网络获取断线中的多个像素点对应的坐标信息;确定所述多个像素点的数量并计算所述多个像素点对应的坐标信息累加和;根据所述多个像素点对应的坐标信息的累加和与所述多个像素点的数量的比值确定所述目标点的坐标信息。
- 根据权利要求2所述的方法,其中,所述根据所述目标点的信息进行区域延伸,得到目标延伸图,包括:根据所述目标点的坐标信息确定第一相邻像素,获取所述第一相邻像素的像素值;判断所述目标点的像素值与所述第一相邻像素的像素值的差值是否小于第一预设阈值,若是,则根据所述第一相邻像素与所述目标点确定目标延伸图。
- 根据权利要求1所述的方法,其中,所述对所述目标延伸图进行判定,根据判定结果确定所述断线的位置,包括:判定所述目标延伸图是否允许被区域延伸,若是,则对所述目标延伸图继续进行区域延伸;若否,则根据所述目标延伸图确定所述断线的位置。
- 根据权利要求6所述的方法,其中,判定所述目标延伸图是否允许被区域延伸,若是,则对所述目标延伸图继续进行区域延伸;若否,则根据所述目标延伸图确定所述断线的位置,包括:确定所述目标延伸图水平方向延伸到当前最后一个水平位置时的所有像素点的像素平均值;获取所述当前最后一个水平位置处相邻像素的像素值,根据所述当前最后一个水平位置处相邻像素的像素值及所述像素平均值判断所述目标延伸图是否允许被区域延伸,若是,则对所述目标延伸图继续进行区域延伸;若否,则将所述目标延伸图作为所述断线的位置。
- 根据权利要求6所述的方法,其中,判定所述目标延伸图是否允许被区域延伸,若是,则对所述目标延伸图继续进行区域延伸;若否,则根据所述目标延伸图确定所述断线的位置,包括:确定所述目标延伸图垂直方向延伸到当前最后一个垂直位置时的所 有像素点的像素平均值;获取所述当前最后一个垂直位置处相邻像素的像素值,根据所述当前最后一个垂直位置处相邻像素的像素值及所述像素平均值判断所述目标延伸图是否允许被区域延伸,若是,则对所述目标延伸图继续进行区域延伸;若否,则将所述目标延伸图作为所述断线的位置。
- 根据权利要求1所述的方法,其中,所述卷积神经网络为分割神经网络u-net网络。
- 一种检测屏幕显示断线的设备,其中,所述设备包括:一个或多个处理器;以及存储有计算机可读指令的存储器,所述计算机可读指令在被执行时使所述处理器执行如权利要求1至9中任一项所述方法的操作。
- 一种计算机可读介质,其上存储有计算机可读指令,所述计算机可读指令可被处理器执行以实现如权利要求1至9中任一项所述的方法。
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CN110827245A (zh) * | 2019-10-28 | 2020-02-21 | 上海悦易网络信息技术有限公司 | 一种检测屏幕显示断线的方法及设备 |
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