Hough Line Detection using MATLAB

This project demonstrates line detection using the Hough Transform with Canny edge detection in MATLAB.
It detects and visualizes the 4 longest lines in sample images.

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📂 Repository Contents

• ACV_ASSIGNMENT - 3.pdf – Detailed assignment report
• darshan_ACVassignment3.m – MATLAB script for line detection
• jigalachannareddy_darshan.m – Alternative MATLAB implementation
• Input Images:
  • cameramanoriginal.png
  • riceoriginal.png
• Outputs:
  • cameraoutput.png – Cameraman with detected lines
  • riceoutput.png – Rice image with detected lines
  • cameramanoutput.fig & riceoutput.fig – MATLAB figure files

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⚡ Workflow

1. Load Image → Convert to Grayscale
2. Canny Edge Detection → Extract edges
3. Hough Transform → Compute accumulator array for lines
4. Hough Peaks → Detect potential line segments
5. Draw Lines → Visualize the longest 4 lines per image

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🖼️ Sample Outputs

1. Cameraman Image

Original	Detected Lines

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2. Rice Image

Original	Detected Lines

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🚀 How to Run

1. Open MATLAB.
2. Place all files in the same folder.
3. Run either script:......