Key Functions:
imread('filename'): Reads image, automatically detecting format (JPEG, PNG, BMP, etc.).imwrite(matrix, 'filename'): Writes an image.imshow(matrix): Displays an image.imresize(matrix, [new_height, new_width]) / imresize(matrix, scale): Resizes an image.rgb2gray(matrix): Converts RGB to grayscale.edge(matrix, 'method'): Detects edges.imfilter(matrix, filter): Applies a filter.- **
imgaussfilt(matrix, sigma):**Applies a gaussian blur filter
imhist(matrix) / histogram(matrix(:)) : Computes and displays the histogram of an image
