Paralled-Histogram-Equalization-and-Edge-Detection

Perform histogram equalization and apply Sobel operator on the equalized image using MPI and libpng

Usage:

   mpicc -libpng -lm mpiPNG.c
   mpirung -np numProcs ./a.out fileName(in PNG format)

Output:

   hist.pgm: Histogram equalized image.
   final.pgm: Output of applying sobel operator to histogram equalized image.