DocumentCode
2050686
Title
Morphological filter for lossless image subsampling
Author
Casas, Josep R. ; Torres, Luis
Author_Institution
Dept. of Signal Theory & Commun., Univ. Politecnica de Catalunya, Barcelona, Spain
Volume
2
fYear
1994
fDate
13-16 Nov 1994
Firstpage
903
Abstract
We present a morphological filter for lossless image subsampling for a given downsampling-upsampling strategy. This filter is applied in a multiresolution decomposition and results in a more efficient scheme for image coding purposes than other lossy sampling schemes. Its main advantage is a greatly reduced computational load compared to multiresolution schemes performed with linear filters
Keywords
filtering theory; image coding; image resolution; image sampling; mathematical morphology; computational load reduction; downsampling-upsampling strategy; image coding; linear filters; lossless image subsampling; lossy sampling; morphological filter; multiresolution decomposition; multiresolution schemes; Band pass filters; Filtering; Image analysis; Image coding; Image resolution; Image sampling; Low pass filters; Nonlinear filters; Signal resolution; Spatial resolution;
fLanguage
English
Publisher
ieee
Conference_Titel
Image Processing, 1994. Proceedings. ICIP-94., IEEE International Conference
Conference_Location
Austin, TX
Print_ISBN
0-8186-6952-7
Type
conf
DOI
10.1109/ICIP.1994.413487
Filename
413487
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