Title :
Fast implementation of 3-D SPIHT using tree information matrix
Author :
Kim, Heeyoung ; Choe, Jihwan ; Lee, Chulhee
Author_Institution :
Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
We apply a fast 3D-SPIHT to compress hyperspectral images. The method uses a tree information matrix to determine whether a tree is significant or insignificant during encoding process. Experiments with AVIRIS data show that it is possible to save about 70% of processing time.
Keywords :
data compression; geographic information systems; geophysical signal processing; geophysical techniques; image coding; infrared imaging; remote sensing; 3D-SPIHT; AVIRIS data; Airbone Visible/Infared Imaging Spectrometer; compress hyperspectral images; encoding process; set partitioning in hierarchical trees; tree information matrix; Biometrics; Compression algorithms; Encoding; Hyperspectral imaging; Hyperspectral sensors; Image coding; Partitioning algorithms; Sorting; Streaming media; Wavelet transforms;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2003. IGARSS '03. Proceedings. 2003 IEEE International
Print_ISBN :
0-7803-7929-2
DOI :
10.1109/IGARSS.2003.1294862
