Laser Tracker

This project implements a laser point tracking system using a webcam to control the mouse cursor on the screen. The system detects a red laser point in the webcam feed, maps it to screen coordinates using perspective transformation, and moves the mouse cursor accordingly.

Requirements

• Hardware:
  • A webcam connected to your computer.
  • A red laser pointer for tracking.
• Software:
  • Python 3.x
  • pip (Python package manager)
  • OpenCV dependencies (e.g., libopencv-dev on Ubuntu)

Dependencies

The project requires the following Python packages:

• opencv-python: For webcam capture and image processing.
• numpy: For numerical operations and array handling.
• pyautogui: For controlling the mouse cursor.

Installation

1. Clone or Download the Project: Ensure you have the laser_tracker.py script in the same directory.

2. Install System Dependencies (if needed): On Ubuntu/Debian, install OpenCV dependencies:

   sudo apt-get install libopencv-dev

Usage

1. Run the Script: Run the script directly:

   python3 laser_tracker.py

2. Select Four Points:

   • A window will display the webcam feed.
   • Double-click to select four points in the following order: top left, top right, bottom left, bottom right.
   • These points define the region in the webcam feed to map to the screen.

3. Track the Laser Point:

   • Point a red laser at the selected region.
   • The script will detect the laser point and move the mouse cursor to the corresponding screen coordinates.
   • A window (Track Laser) will show the transformed video feed with the detected laser point marked.

4. Exit:

   • Press the Esc key to exit the program.