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Edge-directional interpolation algorithm using structure tensor
Andrey V Nasonov
Andrey S Krylov
Xenya Yu Petrova
Michael N Rychagov
  DOI :  10.2352/ISSN.2470-1173.2016.15.IPAS-026  Published Online :  February 2016
Abstract

The paper presents a new low complexity edge-directed image interpolation algorithm. The algorithm uses structure tensor analysis to distinguish edges from textured areas and to find local structure direction vectors. The vectors are quantized into 6 directions. Individual adaptive interpolation kernels are used for each direction. Experimental results show high performance of the proposed method without introducing artifacts.

Journal Title : Electronic Imaging
Publisher Name : Society for Imaging Science and Technology
Publisher Location : 7003 Kilworth Lane, Springfield, VA 22151 USA
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 DOI 10.2352/ISSN.2470-1173.2016.15.IPAS-026
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Andrey V Nasonov, Andrey S Krylov, Xenya Yu Petrova, Michael N Rychagov, "Edge-directional interpolation algorithm using structure tensor"  in Proc. IS&T Int’l. Symp. on Electronic Imaging: Image Processing: Algorithms and Systems XIV,  2016,  https://doi.org/10.2352/ISSN.2470-1173.2016.15.IPAS-026

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Copyright © Society for Imaging Science and Technology 2016
72010604
Electronic Imaging
2470-1173
Society for Imaging Science and Technology
7003 Kilworth Lane, Springfield, VA 22151 USA
10.2352/ISSN.2470-1173.2016.15.IPAS-026
2470-1173(20160214)2016:15L.1;1-
ei_24701173_v2016n15_input/s17.xml
/ist/ei/2016/00002016/00000015/art00001
Articles
Edge-directional interpolation algorithm using structure tensor
NasonovAndrey V
KrylovAndrey S
PetrovaXenya Yu
RychagovMichael N
14022016
2016
15
1
4
2016
The paper presents a new low complexity edge-directed image interpolation algorithm. The algorithm uses structure tensor analysis to distinguish edges from textured areas and to find local structure direction vectors. The vectors are quantized into 6 directions. Individual adaptive interpolation kernels are used for each direction. Experimental results show high performance of the proposed method without introducing artifacts.