CB-BGS is a codebook-based background subtraction program used to extract moving foreground objects the background scene. The images can be either monochrome images or color images. But it was originally built for color imagery. The output images can be saved into binary images where the foreground is white and the background black.-CB-BGS is a codebook-based background subtraction program used to extract moving foreground objects　the background scene.　The images can be either monochrome images or color images.　But it was originally built for color imagery.　The output images can be saved into binary images where the foreground is white and the background black.