It should be gray scale images. If you couldn’t find, use colored images and convert it to gray scale by any built in function. The conversion step will not be included in the processing time

• Test your code on 1, 25, 50, 500 Image
• Record your Results
• use MPI, OpenMP, hybrid Mpi&Omp

that looks like a homework assignment.

why would you just post that here verbatim, with no further comment?

don’t expect anyone to do your homework for you.