Prewitt Edge Detection

This project implements edge detection using the Prewitt operator on grayscale images. The program supports both sequential and parallel implementations using OneTBB, offering performance improvements for larger images and different filter sizes.

Features:

• Prewitt Operator for detecting horizontal and vertical edges.
• Thresholding: Post-processes edge-detected images with a global threshold of 128.
• Parallel Processing: Utilizes OneTBB for faster execution on multi-core systems.
• Adjustable filter size (3x3, 5x5, 7x7) and neighborhood search for enhanced edge detection.

Requirements:

• C++ compiler (GCC, Clang, etc.)
• EasyBMP library (provided)
• OneTBB for parallelization

Usage:

1. Compile the code:

   g++ -o edge_detection edge_detection.cpp -std=c++17 -ltbb
   
   

2. Run the program:

   ./edge_detection <input_image.bmp> <output_image.bmp> <filter_size>
   

3. Example:

   ./edge_detection input.bmp output.bmp 3