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Local spatial properties based image interpolation scheme using SVMs

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3 Author(s)
Liyong, Ma ; School of Information Science and Engineering, Harbin Inst. of Technology, Weihai 264209, P. R. China ; Yi, Shen ; Jiachen, Ma

Image interpolation plays an important role in image process applications. A novel support vector machines (SVMs) based interpolation scheme is proposed with increasing the local spatial properties in the source image as SVMs input patterns. After the proper neighbor pixels region is selected, trained support vectors are obtained by training SVMs with local spatial properties that include the average of the neighbor pixels gray values and the gray value variations between neighbor pixels in the selected region. The support vector regression machines are employed to estimate the gray values of unknown pixels with the neighbor pixels and local spatial properties information. Some interpolation experiments show that the proposed scheme is superior to the linear, cubic, neural network and other SVMs based interpolation approaches.

Published in:

Systems Engineering and Electronics, Journal of  (Volume:19 ,  Issue: 3 )

Date of Publication:

June 2008

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