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Enhancement of Image Resolution by Using Surface Fitting & SWT

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Abstract - This paper presents an image resolution enhancement technique which is based on surface fitting of the high frequency components in an image obtained by Discrete Wavelet Transform (DWT) of an image and enhanced by using Stationary Wavelet Transform (SWT) of an image at intermediate stage of Process. The high frequency sub-bands component of an image were filtered by using DWT & interpolated using surface fitting. These frequency sub-bands modified by high frequency Sub-bands obtained through SWT. The output image will generated through Inverse discrete Wavelet Transform (IDWT) and interpolated with input image by surface fitting and high frequency sub-bands Component. The qualitative and quantitative better results show the effectiveness of this Modified method over other standard image resolution Enhancement techniques.

Key Words

Image Super-resolution; Gaussian Noise; Discrete Wavelet Transformation; Stationary Wavelet Transformation; surface fitting.

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"Enhancement of Image Resolution by Using Surface Fitting & SWT", International Journal of Emerging Technologies and Innovative Research ( | UGC and issn Approved), ISSN:2349-5162, Vol.2, Issue 2, page no. pp293-299, February-2015, Available at : &

Publication Details

Published Paper ID: JETIR1502024
Registration ID: 150016
Published In: Volume 2 | Issue 2 | Year February-2015
DOI (Digital Object Identifier):
Page No: 293-299
ISSN Number: 2349-5162

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(Volume 5 | Issue 2 | February 2018 |Impact factor 5.87)

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