A Simple and Enhanced Low-Light Image Enhancement Process Using Effective Illumination Mapping Approach

  • Vallabhuni VijayEmail author
  • V. Siva Nagaraju
  • M. Sai Greeshma
  • B. Revanth Reddy
  • U. Suresh Kumar
  • C. Surekha
Conference paper
Part of the Lecture Notes in Computational Vision and Biomechanics book series (LNCVB, volume 30)


When an image is captured in low-light, it gets the low visibility. To overcome the low visibility of the image, some operations are to be performed. But in this paper, image enhancement is introduced using illumination mapping. First, R, G, B maximum values in each pixel of the considered image are to be calculated and then convert it into a grey scale image by applying the formulae. Some filters are used to remove the noise, the choice of filter depends on the type of noise, and then the image is preprocessed. The logarithmic transformation helps to increase the brightness and contrast of the image with a certain amount. Earlier there were some methods to enhance the low-light image, but illumination map existence is chosen. In this illumination, the image will be enhanced with the good quality and efficiency. The illumination technique will be the more efficient and more quality. The illumination corrects the R, G, B values to get the desired image, then Gamma Correction is applied. The Gamma Correction is a non-linear power transform, it helps to increase or decrease the brightness of the desired image when a low value of gamma is taken, the brightness will be increased and when a high value of gamma is taken, and the brightness will be decreased. The proposed system is implemented using MATLAB software. When different types of images are applied, different contrast and brightness levels that depend on the type of image are observed.


Gamma correction Illumination correction Preprocessing Transformation 


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Vallabhuni Vijay
    • 1
    Email author
  • V. Siva Nagaraju
    • 1
  • M. Sai Greeshma
    • 1
  • B. Revanth Reddy
    • 1
  • U. Suresh Kumar
    • 1
  • C. Surekha
    • 1
  1. 1.Department of Electronics and Communication EngineeringInstitute of Aeronautical EngineeringDundigal, HyderabadIndia

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