How to analyze videos frame by fram

Hi, i am SUPER new to matlab but I am trying to analyze video frame by frame to flag the ones with an explosion(looking at videos of firing devices)

How would I go about this/is it possible?

[KSSV]

Refer this: https://in.mathworks.com/matlabcentral/answers/368028-how-do-i-save-the-frames-of-a-video-into-a-cell-array