Integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement

Rain streaks detection and removal are very important topics in the field of image processing and computer vision. The present of rain in images and videos causing the pixels in the image corrupted. The main problem in this research is to detect and remove rain streaks. The aim of this research is t...

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Main Author: Raima Hassim
Format: Thesis
Language:English
English
Published: 2017
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Online Access:https://eprints.ums.edu.my/id/eprint/38979/1/24%20PAGES.pdf
https://eprints.ums.edu.my/id/eprint/38979/2/FULLTEXT.pdf
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spelling my-ums-ep.389792024-06-28T06:59:04Z Integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement 2017 Raima Hassim TA1501-1820 Applied optics. Photonics Rain streaks detection and removal are very important topics in the field of image processing and computer vision. The present of rain in images and videos causing the pixels in the image corrupted. The main problem in this research is to detect and remove rain streaks. The aim of this research is to develop an efficient technique that able to detect and remove rain streaks from a single image. The proposed technique consists of two main parts which are the rain streaks detection and rain streaks removal. Both rain streaks detection and rain streaks removal are combined and known as HyDRa. At first, the contrast of the image will be enhanced followed by bilateral filtering technique to divide the input image into two parts, low frequency, and high-frequency part. The classification of rain component and non-rain component is done when the high-frequency part of the image undergoes the dictionary learning approach. For achieving smooth detection of the rain streaks process, the magnitude of each pixel in the rain component will be computed. As for the removal stages, the non-rain component is subtracted from the image and will be combined with the low-frequency part from the filtering stage. The PSNR test and SSiM test of HyDRa for image 1 are 31.09 dB and 0.9194 respectively. Based on the performance test, the PSNR values for test images are significantly better as compared to the classical technique such bilateral filtering approach and self-learning dictionary approach. 2017 Thesis https://eprints.ums.edu.my/id/eprint/38979/ https://eprints.ums.edu.my/id/eprint/38979/1/24%20PAGES.pdf text en public https://eprints.ums.edu.my/id/eprint/38979/2/FULLTEXT.pdf text en validuser masters Universiti Malaysia Sabah Fakulti Sains dan Sumber Alam
institution Universiti Malaysia Sabah
collection UMS Institutional Repository
language English
English
topic TA1501-1820 Applied optics
Photonics
spellingShingle TA1501-1820 Applied optics
Photonics
Raima Hassim
Integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement
description Rain streaks detection and removal are very important topics in the field of image processing and computer vision. The present of rain in images and videos causing the pixels in the image corrupted. The main problem in this research is to detect and remove rain streaks. The aim of this research is to develop an efficient technique that able to detect and remove rain streaks from a single image. The proposed technique consists of two main parts which are the rain streaks detection and rain streaks removal. Both rain streaks detection and rain streaks removal are combined and known as HyDRa. At first, the contrast of the image will be enhanced followed by bilateral filtering technique to divide the input image into two parts, low frequency, and high-frequency part. The classification of rain component and non-rain component is done when the high-frequency part of the image undergoes the dictionary learning approach. For achieving smooth detection of the rain streaks process, the magnitude of each pixel in the rain component will be computed. As for the removal stages, the non-rain component is subtracted from the image and will be combined with the low-frequency part from the filtering stage. The PSNR test and SSiM test of HyDRa for image 1 are 31.09 dB and 0.9194 respectively. Based on the performance test, the PSNR values for test images are significantly better as compared to the classical technique such bilateral filtering approach and self-learning dictionary approach.
format Thesis
qualification_level Master's degree
author Raima Hassim
author_facet Raima Hassim
author_sort Raima Hassim
title Integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement
title_short Integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement
title_full Integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement
title_fullStr Integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement
title_full_unstemmed Integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement
title_sort integration of enhanced dictionary learning and magnitude computation techniques for removing rain streaks in digital image enhancement
granting_institution Universiti Malaysia Sabah
granting_department Fakulti Sains dan Sumber Alam
publishDate 2017
url https://eprints.ums.edu.my/id/eprint/38979/1/24%20PAGES.pdf
https://eprints.ums.edu.my/id/eprint/38979/2/FULLTEXT.pdf
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