Title :
Design of orthogonal transforms based on partition of unity method and their application to image compression
Author :
Khachatryan, Samvel ; Minasyan, Lilit
Author_Institution :
State Eng. Univ. of Armenia (SEUA), Yerevan, Armenia
Abstract :
In this work a new complete system of trigonometric functions for representation of finite continuous functions is defined. New discrete orthogonal transforms are synthesized by discretization and orthonormalization of the proposed system of functions. An image compression algorithm using the synthesized transform is developed. The proposed algorithm illustrates high compression ratio and good reconstruction quality as confirmed by a numerous of experiments.
Keywords :
data compression; discrete cosine transforms; image coding; image reconstruction; image representation; orthogonal codes; discrete orthogonal transform design; finite continuous function representation; image compression algorithm; image reconstruction quality; transform synthesis; trigonometric function; unity method; Continuous wavelet transforms; Design engineering; Digital images; Discrete cosine transforms; Discrete transforms; Discrete wavelet transforms; Focusing; Image coding; Image reconstruction; Partitioning algorithms;
Conference_Titel :
Local and Non-Local Approximation in Image Processing, 2009. LNLA 2009. International Workshop on
Conference_Location :
Tuusula
Print_ISBN :
978-1-4244-5167-8
Electronic_ISBN :
978-1-4244-5167-8
DOI :
10.1109/LNLA.2009.5278390
