Research Journal of Engineering and Technology
  • Year: 2014
  • Volume: 5
  • Issue: 4

Grey Scale Image Enhancement Using Proposed Modified Histogram Equalization Algorithm

  • Author:
  • Rajdeep Chowdhury1, Indrani Banerjee2
  • Total Page Count: 6
  • Page Number: 217 to 222

1Assistant Professor, Department of Computer Science and Engineering, Abacus Institute of Engineering and Management, Natungram, Mogra712148, West Bengal

2Student, Department of Computer Science and Engineering, Abacus Institute of Engineering and Management, Natungram, Mogra712148, West Bengal

Online published on 5 February, 2015.

Abstract

Digital Image Processing is a locale distinctive by the requisite for extensive experimental effort to ascertain the viability of proposed elucidation to the given predicament. To preserve image eminence Histogram Equalization (HE) which falls diminutive due to quantum leap in Cumulative Distribution Function (CDF) in the Histogram Algorithm, the Proposed Algorithm has been devised. The Proposed Algorithm ensures enhancement by sub-dividing the image into eight dissections separately. The progression is ensured by using weighted function and then combining the whole of it. The algorithm confers perfect intensity range of picture, with lesser distortion and comprehensive improving quality. Experiments illustrate that the Proposed Algorithm performs well in comparison to the existing enhancement algorithms. The relevant appliance of the Proposed Algorithm might be in its employment in an assortment of organisations where Image Enhancement is of utmost significance.

Keywords

Intensity Range, Image Enhancement (IE), Histogram Equalization (HE), Cumulative Distribution Function (CDF), Probability Density Function (PDF), Modified Histogram Equalization Algorithm (MHEA)