Cell alignment metric detection method, controller, detection system and storage medium

A controller, comprising:

• a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the computer program, implements a cell alignment metric detection method comprising:
• acquiring a first cell image, wherein the first cell image is a cell image in which a first electrode plate and a second electrode plate are alternately laminated;
• inputting the first cell image into a first training model for detection processing to obtain a region of interest, wherein the region of interest is a region formed by a different part of the first electrode plate relative to the second electrode plate;
• obtaining a second cell image and terminal position information of the second electrode plate according to the region of interest and the first cell image;
• inputting the second cell image into a second training model for separation processing to obtain a third cell image and obtaining terminal position information of the first electrode plate according to the third cell image and the first cell image;
• performing image extraction and analysis on the third cell image to obtain a misalignment quantity between the first electrode plate and the adjacent second electrode plate;
• and
• obtaining the cell alignment metric according to the terminal position information of the second electrode plate, the terminal position information of the first electrode plate and the misalignment quantity;
• wherein performing the image extraction and analysis on the third cell image to obtain the misalignment quantity between the first electrode plate and the adjacent second electrode plate comprises:
• performing image extraction on the third cell image to obtain a circumscribed rectangle of each first electrode plate in the third cell image;
• and
• obtaining the misalignment quantity between the first electrode plate and the adjacent second electrode plate according to the circumscribed rectangle;
• wherein performing the image extraction on the third cell image to obtain the circumscribed rectangle of each first electrode plate in the third cell image comprises:
• performing image contour extraction on the third cell image to obtain a contour of each first electrode plate in the third cell image;
• and
• generating the circumscribed rectangle corresponding to the contour of the first electrode plate according to the contour of the first electrode plate.

A non-transitory computer-readable storage medium storing a computer-executable instruction, wherein the computer is used for performing a cell alignment metric detection method comprising:

• acquiring a first cell image, wherein the first cell image is a cell image in which a first electrode plate and a second electrode plate are alternately laminated;
• inputting the first cell image into a first training model for detection processing to obtain a region of interest, wherein the region of interest is a region formed by a different part of the first electrode plate relative to the second electrode plate;
• obtaining a second cell image and terminal position information of the second electrode plate according to the region of interest and the first cell image;
• inputting the second cell image into a second training model for separation processing to obtain a third cell image and obtaining terminal position information of the first electrode plate according to the third cell image and the first cell image;
• performing image extraction and analysis on the third cell image to obtain a misalignment quantity between the first electrode plate and the adjacent second electrode plate;
• and
• obtaining the cell alignment metric according to the terminal position information of the second electrode plate, the terminal position information of the first electrode plate and the misalignment quantity;
• wherein performing the image extraction and analysis on the third cell image to obtain the misalignment quantity between the first electrode plate and the adjacent second electrode plate comprises:
• performing image extraction on the third cell image to obtain a circumscribed rectangle of each first electrode plate in the third cell image;
• and
• obtaining the misalignment quantity between the first electrode plate and the adjacent second electrode plate according to the circumscribed rectangle;
• wherein performing the image extraction on the third cell image to obtain the circumscribed rectangle of each first electrode plate in the third cell image comprises:
• performing image contour extraction on the third cell image to obtain a contour of each first electrode plate in the third cell image;
• and
• generating the circumscribed rectangle corresponding to the contour of the first electrode plate according to the contour of the first electrode plate.