functions implemented for "Image processing" course
binary2vector() - transforms digits to binary (vector form)
filtering_algorithm() - simple spatial filtering (3x3)
sobel_filter() - Sobel operator (https://en.wikipedia.org/wiki/Sobel_operator)
functions implemented for "Image processing" course
binary2vector() - transforms digits to binary (vector form)
filtering_algorithm() - simple spatial filtering (3x3)
sobel_filter() - Sobel operator (https://en.wikipedia.org/wiki/Sobel_operator)