How to convert an image into dataset ?

I converted an image in jpeg format to greyscale image and performed some filtering operations in Matlab. I need to classify the regions of the image with the help of svm classifer. How do i arrange the dataset for it ?

Answer 1

[KSSV]

Have look here: https://in.mathworks.com/help/vision/examples/digit-classification-using-hog-features.html