CN-116862890-B - Method, device, equipment and medium for determining assembly line of vehicle door

CN116862890BCN 116862890 BCN116862890 BCN 116862890BCN-116862890-B

Abstract

The invention discloses a method, a device, equipment and a medium for determining a production line of a vehicle door, and relates to the technical field of vehicle assembly. The method comprises the steps of obtaining a door image of a target door, determining a frame area and a door guard board area of the target door from the door image, determining color information of the frame area and color information of the door guard board area, and determining a target assembly line of the target door according to the color information of the frame area and the color information of the door guard board area if the color information of the door guard board area is different from preset color information, wherein the target assembly line is used for processing the target door. According to the method and the device, the target assembly line is determined according to the color information of the frame area and the door area determined in the door image, and compared with the mode of manually identifying the color of the door guard board and manually adjusting the door in the prior art, the method and the device improve the misloading detection efficiency of the door guard board, the door processing efficiency and the assembly accuracy of the door guard board.

Inventors

Xing Chunshang
ZHANG TIANQI

Assignees

中国第一汽车股份有限公司
一汽(南京)科技开发有限公司

Dates

Publication Date: 20260505
Application Date: 20230724

Claims (8)

1. A method of pipelining a vehicle door, the method comprising: Acquiring a door image of a target door; Determining a frame area and a door guard board area of the target vehicle door from the vehicle door image, and determining color information of the frame area and color information of the door guard board area; If the color information of the door guard plate area is different from the preset color information, determining a target assembly line of the target car door according to the color information of the car frame area and the color information of the door guard plate area, wherein the target assembly line is used for processing the target car door; The determining the target assembly line of the target vehicle door according to the color information of the vehicle frame area and the color information of the door guard board area comprises the following steps: If the color information of the frame area is the same as the color information of the door guard board area, determining a door guard board installation assembly line as a target assembly line of a target vehicle door; If the color information of the frame area is different from the color information of the door guard board area, determining a target color difference between the color information of the frame area and the color information of the door guard board area; Determining a target assembly line of the target vehicle door according to a comparison result between the target color difference and a preset color difference, wherein the determining comprises the following steps: If the target color difference is smaller than or equal to the preset color difference, determining a door guard plate paint spraying assembly line as a target assembly line of the target vehicle door; if the target color difference is larger than the preset color difference, determining a door guard plate disassembly assembly line as a target assembly line of the target vehicle door.
2. The method of claim 1, wherein the acquiring a door image of the target door comprises: Acquiring an original image of a door guard board of the target car door, and determining the ambient illumination intensity of a door guard board detection assembly line; and carrying out color correction on the original image according to the ambient illumination intensity to obtain a vehicle door image.
3. The method according to claim 2, wherein the performing color correction on the original image according to the ambient light intensity to obtain a door image includes: Converting the color format of the original image into an HSL format; correcting the color component of the L channel in the original image after format conversion according to the ambient illumination intensity; and determining the vehicle door image according to the H-channel color component, the S-channel color component and the corrected L-channel color component in the original image after format conversion.
4. A method according to claim 3, wherein said modifying the L-channel color component in the format-converted original image according to the ambient illumination intensity comprises: determining the illumination intensity ratio between the ambient illumination intensity and a preset illumination intensity; And determining the corrected L-channel color component according to the illumination intensity ratio and the L-channel color component in the original image after format conversion.
5. The method of claim 1, wherein the determining color information of the bezel area comprises: Acquiring pixel values of all pixel points in the frame area; counting the number of pixel points with the same pixel value; and determining the color information of the frame area according to the number of the pixel points of each pixel value.
6. An in-line determination apparatus for a vehicle door, the apparatus comprising: the image acquisition module is used for acquiring a door image of the target door; a color information determining module, configured to determine a frame area and a door guard board area of the target vehicle door from the vehicle door image, and determine color information of the frame area and color information of the door guard board area; The assembly line determining module is used for determining a target assembly line of the target car door according to the color information of the car frame area and the color information of the door guard plate area if the color information of the door guard plate area is different from the preset color information, and the target assembly line is used for processing the target car door; Wherein, the pipeline validation module comprises: the first assembly line determining unit is used for determining the door guard plate installation assembly line as a target assembly line of the target vehicle door if the color information of the vehicle frame area is the same as the color information of the door guard plate area; a color difference determining unit configured to determine a target color difference between color information of the frame region and color information of the door shield region if the color information of the frame region is different from the color information of the door shield region; the second assembly line determining unit is used for determining a target assembly line of the target vehicle door according to a comparison result between the target color difference and the preset color difference; The second pipeline determining unit is specifically configured to: If the target color difference is smaller than or equal to the preset color difference, determining a door guard plate paint spraying assembly line as a target assembly line of a target vehicle door; if the target color difference is larger than the preset color difference, determining the door guard plate disassembly assembly line as a target assembly line of the target vehicle door.
7. An electronic device, the electronic device comprising: at least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the pipelining method of the vehicle door of any one of claims 1-5.
8. A computer readable storage medium storing computer instructions for causing a processor to perform the method of pipelining a vehicle door of any one of claims 1-5 when executed.

Description

Method, device, equipment and medium for determining assembly line of vehicle door Technical Field The invention relates to the technical field of vehicle assembly, in particular to a method, a device, equipment and a medium for determining a production line of a vehicle door. Background Along with the rapid development of the automobile industry, the types of automobile models are continuously increased, and the colors of the interior door guard plates are also more abundant. In the current automobile main engine factory assembly workshop, still rely on a large amount of personnel to carry out manual detection debugging to the interior trim door backplate that installs, door detection and debugging's efficiency is lower. Disclosure of Invention The invention provides a method, a device, equipment and a medium for determining a production line of a vehicle door, which are used for improving the misloading detection efficiency, the vehicle door processing efficiency and the equipment accuracy of the door guard board. In a first aspect, the present invention provides a method for determining a vehicle door in a production line, including: Acquiring a door image of a target door; determining a frame area and a door guard board area of a target car door from a car door image, and determining color information of the frame area and color information of the door guard board area; If the color information of the door guard plate area is different from the preset color information, determining a target assembly line of the target vehicle door according to the color information of the vehicle frame area and the color information of the door guard plate area, wherein the target assembly line is used for processing the target vehicle door. In a second aspect, the present invention also provides a vehicle door assembly line determining apparatus, including: the image acquisition module is used for acquiring a door image of the target door; the color information determining module is used for determining a frame area and a door guard board area of the target car door from the car door image and determining color information of the frame area and color information of the door guard board area; the assembly line determining module is used for determining a target assembly line of the target car door according to the color information of the car frame area and the color information of the door guard plate area if the color information of the door guard plate area is different from the preset color information, and the target assembly line is used for processing the target car door. In a third aspect, an embodiment of the present invention further provides an electronic device, including: at least one processor, and A memory communicatively coupled to the at least one processor, wherein The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of pipelining a vehicle door provided by any one of the embodiments of the present invention. In a fourth aspect, embodiments of the present invention further provide a computer readable storage medium storing computer instructions for causing a processor to execute the method for determining a pipeline of a vehicle door according to any one of the embodiments of the present invention. The method comprises the steps of obtaining a door image of a target door, determining a frame area and a door guard board area of the target door from the door image, determining color information of the frame area and color information of the door guard board area, and determining a target assembly line of the target door according to the color information of the frame area and the color information of the door guard board area if the color information of the door guard board area is different from the preset color information, wherein the target assembly line is used for processing the target door. According to the technical scheme, the color information of the vehicle frame area and the vehicle door area can be determined from the vehicle door image, compared with the mode of manually identifying the color of the door guard plate in the prior art, the identification efficiency of the color of the door guard plate is improved, whether the door guard plate is wrongly installed or not is detected according to the identified color of the door guard plate, the wrongly installed detection efficiency of the door guard plate is improved, the target assembly line is determined according to the color information of the vehicle frame area and the color information of the door guard plate area, the door guard plate with the correct vehicle door assembly is achieved through the target assembly line, and compared with the mode of manually processing the vehicle door with the wrongly installed door guard plate in the prior art, the processing efficiency of the vehicle door and the assembly accuracy of the door guard plate of the vehicle door