Preprocessing and Feature Extraction for Psoriasis Images Based on Discrete Wavelet Transform

Authors

  • Raniah Ali Mustafa Mustansiriyah University, Iraq
  • Haitham Salman Chyad Mustansiriyah University, Iraq
  • Rafid Aedan Haleot Mustansiriyah University, Iraq

DOI:

https://doi.org/10.31695/IJERAT.2020.3643

Keywords:

Psoriasis Images, Wavelet Transform, Haar Basis Filter, Sharpening, Soble, Laplacian

Abstract

This paper, proposes the pre-processing methods use a small neighborhood of a pixel in the input image to get a new brightness value in the output image.  Such pre-processing operations are also called filtration. in this paper, we start with the image using a medical case for psoriasis image after change it to gray state implemented under the transform domain (i.e frequency), using wavelet transform then use three filters sharpening, Sobel, and Laplace filter. after make proposed by computing PSNR for each state to show the effect of it. Then extract features through an apply a set of measures (Energy, Entropy, Standard deviation, Variance, Mean) of low low sub-image. The proposed system was implemented on the medical case for psoriasis image dataset, some of them were obtained from the hospitals and the other was obtained from the dataset (Light Field Image of Dataset skin Lesions), available on the Internet and the proposed system implemented in programing language Visual Basic 6.0.

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How to Cite

Raniah Ali Mustafa, Haitham Salman Chyad, & Rafid Aedan Haleot. (2020). Preprocessing and Feature Extraction for Psoriasis Images Based on Discrete Wavelet Transform. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT, 6(8), 76–89. https://doi.org/10.31695/IJERAT.2020.3643

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