IMAGE DEFINITION OBTAINING METHOD AND APPARATUS, STORAGE MEDIUM, AND ELECTRONIC DEVICE

摘要

Disclosed in the present application is an image definition obtaining method, comprising: obtaining an original image obtained by photographing based on a Bayer array; determining a target region from the original image, and determining distribution positions of pixels with a preset color in the target region; obtaining squared values of difference values of brightness values of the pixels with the preset color in the target region, wherein a relationship of the distribution positions of the pixels is that the pixels are diagonally adjacent; and performing addition on the square values of all the difference values to obtain a sum value, and determining the sum value as the definition of the image.