Coloring method and device for black and white video, equipment and storage medium

The embodiment of the invention provides a coloring method for a black-and-white video, equipment and a storage medium, and the method comprises the steps: obtaining a color reference video corresponding to the black-and-white video, carrying out scene classification of color images in the color reference video, and determining the color images representing different scenes based on the classification result; when the black-and-white video is colored, not selecting a reference image of each frame of black-and-white image manually, instead, determining a color image matched with the frame of black-and-white image as a reference frame image of the frame of black-and-white image in the determined color images representing different scenes for each frame of black-and-white image, and using the reference frame image; and coloring the frame of black and white image; visibly, in the scheme, related technicians do not need to manually select the reference image of each frame of black-and-white image, and the efficien