Title :
Generalized unequal length lapped orthogonal transform for subband image coding
Author :
Nagai, Takavuki ; Ikehara, Masaaki ; Kaneko, Makoto ; Kurematsu, Akira
Author_Institution :
Course in Electron. Eng., Univ. of Electro-Commun., Tokyo, Japan
Abstract :
In this paper, generalized linear phase lapped orthogonal transforms with unequal length basis functions (GULLOT) are considered. The length of each basis of the proposed GULLOT can be different from each other, while all the bases of the conventional GenLOT are of equal length. In order to apply the GULLOT to subband image coding, we also investigate the size-limited structure to process the finite length signal which is important in practice
Keywords :
image coding; transform coding; GULLOT; GenLOT; finite length signal; generalized linear phase lapped orthogonal transforms; generalized unequal length lapped orthogonal transform; size-limited structure; subband image coding; unequal length basis functions; Counting circuits; Design methodology; Discrete cosine transforms; Filters; Image coding; Lattices;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2000. ICASSP '00. Proceedings. 2000 IEEE International Conference on
Conference_Location :
Istanbul
Print_ISBN :
0-7803-6293-4
DOI :
10.1109/ICASSP.2000.862032
