Tutorial with source code for Digital Image Processing essential functions are described in this code. The image color types, color codes, color planes, matrices, matrix transpose, matrix concatenation, variables in DIP operations, data types in DIP operations are well described in this tutorial.
File list:
test
...\fim1.jpg

...\fun1.m
...\fun2.m
...\rgb.jpg

...\test.m
...\Untitled.m