Title :
A spatial/spectral protocol for quality assurance of decompressed hyperspectral data for practical applications
Author :
Brook, Anna ; Ben-dor, Eyal
Author_Institution :
Remote Sensing Lab., Tel-Aviv Univ., Tel-Aviv, Israel
Abstract :
A detailed spatial/spectral protocol to test the influence of compressed-decompressed on the hyperspectral image data is presented. The proposed scheme is evaluated by applying an hybrid algorithm (LCT and SPHIT) on AISA-Dual hyperspectral images. For the purpose of reliable thematic results, the preservation and recovering of reflectance spectral features should be on the main concern. Therefore, this protocol contains three stages of data processing: radiance, radiometric/spectral preprocessed radiance, and atmospheric corrected reflectance (generated from radiometric/spectral preprocessed radiance). As for impact on exploitation, we consider IsoData classification, anomaly-detection, and spectral indices as benchmark applications. Additionally, the proposed scheme is compared with common validation approaches, such as spectral response assessment and anomaly-detection techniques.
Keywords :
data compression; image classification; image coding; protocols; quality assurance; AISA-Dual hyperspectral image; IsoData classification; atmospheric corrected reflectance; data processing; decompressed hyperspectral data; quality assurance; radiometric-spectral preprocessed radiance; spatial-spectral protocol; spectral feature; Classification algorithms; Image coding; Image reconstruction; Indexes; Pixel; Protocols; Reflectivity; Hyperspectral data compression; Quality assurance; Spatial/Spectral analysis;
Conference_Titel :
Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS), 2010 2nd Workshop on
Conference_Location :
Reykjavik
Print_ISBN :
978-1-4244-8906-0
Electronic_ISBN :
978-1-4244-8907-7
DOI :
10.1109/WHISPERS.2010.5594855