Title :
Comments on ´new family of lapped biorthogonal transform via lifting steps´
Author_Institution :
Sch. of Comput. Sci. & Technol., Shandong Economic Univ., Jinan
fDate :
6/1/2009 12:00:00 AM
Abstract :
An unaddressed problem with Cheng´s design is pointed out from the filter viewpoint: the first few basis functions do not decay smoothly to zero at the end, which may increase blocking artefacts, especially at low bit rates.
Keywords :
filtering theory; transforms; Cheng design; biorthogonal transform; blocking artefacts; filter viewpoint; lifting steps;
Journal_Title :
Image Processing, IET
DOI :
10.1049/iet-ipr.2008.0173
