Solar cell defect detection method and device and readable medium

The invention provides a solar cell defect detection method and device and a readable medium, and the detection method comprises the steps: obtaining an EL image of a solar cell, and segmenting the EL image into a plurality of cell images; the battery piece image is input into a defect detection model, defect information of the battery piece image is obtained through the defect detection model, and the defect information comprises a target center point, a center point deviation value and a defect frame size of each defect category; calculating the position of a defect frame of each defect category according to the target center point of each defect category, the defect center point deviation value and the defect frame size; and generating a defect detection result of the solar cell, wherein the defect detection result comprises the defect category of each defect and the position of the defect frame. The defect detection problem is converted into the defect center point prediction problem through the defect de