videoFile = 'parking_lot.avi'; vidObj = VideoReader(videoFile); background = readFrame(vidObj); backgroundGray = rgb2gray(background);
If you're using a free PDF copy found online: practical image and video processing using matlab pdf
When a PDF resource instructs a student to use a command like imread() , imfilter() , or edge() , they are utilizing highly optimized functions that abstract away the low-level coding complexity. This allows the learner to focus on the concept of image processing rather than the syntax of memory management. videoFile = 'parking_lot