Title :
Simple orthogonal transform for image coding
Author :
Lo, Kwok-Tung ; Cham, Wai-Kuen
Author_Institution :
Dept. of Electron. Eng., Hong Kong Polytech., Hong Kong
Abstract :
In this work, a simple orthogonal transform called dyadic transform (DT) is developed for image coding systems based on the principle of dyadic symmetry. The new transform has very simple implementation structure that requires only operations of addition and binary shift. Evaluations using a statistical model and real images show that the performance of the proposed transform is close to that of DCT and is better than the high correlation transform (HCT) and low correlation transform (LCT)
Keywords :
image coding; matrix algebra; symmetry; transform coding; addition; binary shift; dyadic symmetry; dyadic transform; image coding systems; implementation structure; orthogonal transform; performance; statistical model; Costs; Decision support systems; Discrete cosine transforms; Hardware; Image coding; System testing; Transform coding;
Conference_Titel :
Networks, 1993. International Conference on Information Engineering '93. 'Communications and Networks for the Year 2000', Proceedings of IEEE Singapore International Conference on
Print_ISBN :
0-7803-1445-X
DOI :
10.1109/SICON.1993.515807