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Effective compression of hyperspectral imagery using improved three dimensional discrete cosine transform

Qiao, Tong and Ren, Jinchang and Craigie, Cameron and Marshall, Stephen and Maltin, Charlotte (2013) Effective compression of hyperspectral imagery using improved three dimensional discrete cosine transform. In: 6th UK, Europe, China Millimeter Waves and THz Technology Workshop (UCMMT), 2013. IEEE, Piscataway, New Jersey.

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Abstract

Though hyperspectral imaging (HSI, or hypercube) has been applied in a wide range of applications, it suffers from massive volume of data for efficient data storage and transmission. Herein improved 3D discrete cosine transform (DCT) is proposed with good results yielded. Experiments on several datasets have validated the efficacy of our approach.