معالجة صور شرح (image quantization ( and ,or

معالجة صور شرح (image quantization ( and ,or Image quantization is the process of reducing the image data by removing some of the detail information by mapping group of data points to a single point. This can be done by: We want to reduce 8-bit information containing (256 possible gray level) value down to 4 possible values. AND-MASK OR - MASK