Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4341
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Title: Modified edge-directed interpolation for images
Authors: Tam, WS
Kok, CW
Siu, WC 
Issue Date: Jan-2010
Source: Journal of electronic imaging, Jan.-Mar. 2010, v. 19, no. 1, 013011, p. 1-20
Abstract: We present a modification of the new edge-directed interpolation method that eliminates the prediction error accumulation problem by adopting a modified training window structure, and extending the covariance matching into multiple directions to suppress the covariance mismatch problem. Simulation results show that the proposed method achieves remarkable subjective performance in preserving the edge smoothness and sharpness among other methods in the literaturĂ©. It also demonstrates consistent objective performance among a variety of images.
Keywords: Edge detection
Image matching
Interpolation
Publisher: SPIE-International Society for Optical Engineering
Journal: Journal of electronic imaging 
ISSN: 1017-9909
EISSN: 1560-229X
DOI: 10.1117/1.3358372
Rights: Copyright 2010 Society of Photo-Optical Instrumentation Engineers and IS&T. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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