implementing shot boundary (wipe) detection algorithm with matlab

Please help me to impliment these five steps. thanks in advance

Read the desired number of frames from the video. Convert each frame to grey scale and resize to 256 × 256 pixel size.

Divide each frame into 4 × 4 pixel block and find the mean of each block, which will convert every frame into 64 × 64 pixel size. Consider this image as a statistical image (SI).

Calculate the mean of statistical image difference (MOSID) between consecutive frames by using MOSID = 1/(64 * 64) summation(i=1 to 64) summation(j=1 to 64) [SI(i, j, k) − SI(i, j, k + 1)]

where k varies from 1 to NFR-1, and NFR is the number of frames used for the analysis from the video

Find local threshold ST as a linear combination of m and s by ST = 0.125*m+0.125*s where m and s are mean and standard deviation of MOSID for all frames

If MOSID(k) is greater than ST, for continuous eight frames or above,then frame numbers should be printed.

Please help with the matlab implementation

Answer 1

[Image Analyst]

Try blockproc(). Demos attached.