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Related Experiment Video

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Image Recognition and Parameter Analysis of Concrete Vibration State Based on Support Vector Machine
08:27

Image Recognition and Parameter Analysis of Concrete Vibration State Based on Support Vector Machine

Published on: January 5, 2024

Adaptive image contrast enhancement using generalizations of histogram equalization.

J A Stark1

  • 1National Institute of Statistical Sciences (NISS), Research Triangle Park, NC, USA. stark@niss.org

IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
|February 8, 2008
PubMed
Summary
This summary is machine-generated.

This study introduces adaptive image contrast enhancement using a modified histogram equalization (HE) method. The new approach offers controllable contrast adjustment, ranging from minimal to full equalization, by utilizing a flexible cumulation function.

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Last Updated: Jul 7, 2026

Image Recognition and Parameter Analysis of Concrete Vibration State Based on Support Vector Machine
08:27

Image Recognition and Parameter Analysis of Concrete Vibration State Based on Support Vector Machine

Published on: January 5, 2024

Area of Science:

  • Digital Image Processing
  • Computer Vision
  • Image Enhancement Techniques

Background:

  • Histogram equalization (HE) is a widely used image contrast enhancement technique.
  • Standard HE can produce overly severe contrast enhancement for certain applications.
  • Existing variations of HE offer limited control over the enhancement process.

Purpose of the Study:

  • To propose a generalized adaptive image contrast enhancement scheme.
  • To introduce a flexible framework for modifying histogram equalization.
  • To enable controllable contrast adjustment through parameter variation.

Main Methods:

  • Generalization of histogram equalization (HE) using a cumulation function.
  • Development of a framework for adaptive HE based on local histograms.
  • Proposal of a specific cumulation function with adjustable parameters.

Main Results:

  • The proposed method allows for a spectrum of contrast enhancement levels.
  • Minor modifications to the cumulation function yield diverse visual effects.
  • The technique can achieve results from no enhancement to full adaptive equalization.

Conclusions:

  • The generalized adaptive HE scheme provides a versatile approach to image contrast enhancement.
  • The cumulation function offers a powerful tool for controlling the degree of enhancement.
  • This method addresses the limitations of standard HE by providing tunable contrast adjustment.