An object color difference defect detection method. The method comprises: by means of a principal component analysis performed with respect to a multivariate color image, a multivariate analysis can be performed with respect to an image of an object to be inspected to produce a single-channel image of said object, pixel grayscale values of the single-channel image extracted are inputted to a BP neural network model constructed on the basis of a gradient descent algorithm, a comparative detection is performed automatically with respect to a pixel color difference defect of said object, and a color difference defect detection result of said object is produced on the basis of a pixel defect detection result of said object.
OBJECT COLOR DIFFERENCE DEFECT DETECTION METHOD, DEVICE, COMPUTER DEVICE, AND STORAGE MEDIUM