Title :
A comparative study of multi-resolution image models
Author :
Yang, Xue Dong ; Xing, Minqing ; Ghavamnia, Mohammad H.
Author_Institution :
Dept. of Comput. Sci., Regina Univ., Sask., Canada
Abstract :
The computational structures of three multifrequency decomposition image models, namely DCT, Laplacian pyramid, and wavelet transform are examined and compared in this paper. Their suitability for flexible subimage reconstruction is also discussed. The quality of reconstructed images from the three models is investigated with respect to image analysis. A basic and mostly used image processing process-edge detection-is applied to those images. Based on the results, some very interesting properties for each model are observed
Keywords :
Laplace transforms; discrete cosine transforms; edge detection; image reconstruction; image resolution; wavelet transforms; DCT; Laplacian pyramid; computational structures; edge detection; flexible subimage reconstruction; image analysis; multi-resolution image models; multifrequency decomposition image models; quality; reconstructed images; wavelet transform; Band pass filters; Discrete cosine transforms; Discrete wavelet transforms; Frequency; Image coding; Image edge detection; Image processing; Image reconstruction; Laplace equations; Low pass filters;
Conference_Titel :
WESCANEX 95. Communications, Power, and Computing. Conference Proceedings., IEEE
Conference_Location :
Winnipeg, Man.
Print_ISBN :
0-7803-2725-X
DOI :
10.1109/WESCAN.1995.494067
