Added setup.sh for installation : Issue #129 Fixed

README.md

@@ -64,10 +64,17 @@ git clone https://github.com/SRA-VJTI/Pixels_Seminar.git
 ```sh
 cd Pixels_Seminar
 ```
+
 * Run the installation script
 ```sh
 make install
 ```
 
+* If unable to run above script, run this script
+```sh
+chmod +x setup.sh
+./setup.sh
+```
+
 Installation is done successfully.
 

setup.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Check if OpenCV is installed
+echo "Checking if OpenCV is installed..."
+if pkg-config --exists opencv4 sdl2; then
+    echo "OpenCV is installed"
+else
+    echo "OpenCV is not installed"
+    echo "Installing OpenCV..."
+
+    # Detect OS and install dependencies accordingly
+    if grep -qi "debian" /etc/os-release; then
+        echo "Detected Debian-based system"
+        sudo apt-get update -y
+        sudo apt-get install build-essential libopencv-dev libsdl2-2.0-0 libsdl2-image-dev libsdl2-dev -y
+    elif [[ "$OSTYPE" == "darwin"* ]]; then
+        echo "Detected macOS"
+        brew install opencv sdl2
+    elif grep -qi "arch" /etc/os-release; then
+        echo "Detected Arch Linux"
+        sudo pacman -Sy base-devel opencv hdf5 glew vtk fmt sdl2
+    else
+        echo "Unknown OS, cannot install OpenCV"
+        exit 1
+    fi
+fi