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  • Machine Learning

Improved Image Color Quantization Using Hybrid Clustering

An image processing system that reduces an image's color palette while preserving visual quality.

Overview

Median Cut produces a fast initial colour reduction which K-Means then refines, while Sobel and Canny edge detection protects fine detail during quantization. Each pixel is mapped to its nearest optimised palette colour and the result is benchmarked with MSE, PSNR and SSIM.

Problem Statement

Naive colour quantization destroys edges and gradients, producing visible banding. Pure clustering is accurate but slow; pure Median Cut is fast but crude.

Proposed Solution

Combine the two — Median Cut for speed, K-Means for accuracy — and add explicit edge preservation so detail survives the palette reduction, then prove the gain with standard image quality metrics.

Key Features

  • Median Cut + K-Means Hybrid Clustering

    Fast initial color reduction refined by clustering optimization.

  • Edge Preservation

    Sobel/Canny-based edge detection to protect fine image details during quantization.

  • Adaptive Color Assignment

    Maps each pixel to the nearest optimized palette color.

  • Quality Evaluation

    Benchmarked using MSE, PSNR, and SSIM metrics.

Technologies Used

Image processing

  • OpenCV
  • Sobel
  • Canny
  • NumPy

Machine Learning

  • K-Means
  • Median Cut
  • Scikit-Learn

Evaluation

  • MSE
  • PSNR
  • SSIM
  • Matplotlib

Project Workflow

  1. 1

    Image input

    The source image is loaded and converted to a working colour space.

  2. 2

    Initial reduction

    Median Cut produces a fast candidate palette.

  3. 3

    Refinement

    K-Means optimises the palette for minimal distortion.

  4. 4

    Edge-aware mapping

    Pixels are assigned while preserving detected edges.

  5. 5

    Benchmarking

    Output quality is measured against the original.

What You'll Receive

  • Complete, runnable source code with folder structure
  • Project report and technical documentation
  • Ready-to-present PPT content
  • Setup and installation walkthrough
  • Line-by-line project explanation session
  • Viva question bank with answers
  • Bug fixing and troubleshooting help
  • Post-delivery support after submission

Frequently Asked Questions

How much does this project cost?

Every project is quoted individually, because the price depends on the modules you need, your technology stack, your college's format and your deadline. Send us the project name on WhatsApp and we'll share a quote the same day.

Can the project be customised to my college requirements?

Yes. Share your guide's requirements, preferred technology stack and abstract format, and we adapt the modules, dataset or UI accordingly.

Will I be able to explain this project during my viva?

That is the point of the explanation session. We walk you through the architecture, every module, the flow of data and the results, and hand over a viva question bank with answers.

What if the project does not run on my laptop?

We help you with setup end to end — dependencies, environment, database and configuration — over chat or a call until it runs on your machine.

Do I get support after submission?

Yes. Post-delivery support is included, so you can come back for fixes, doubts or demo help even after the project is delivered.

Want This Project?

Get complete source code, documentation, PPT, explanation, and support.

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