http://www.cnr.it/ontology/cnr/individuo/prodotto/ID135032
Impact of Irreversible Data Compression on Spectral Distortion of Hyper-spectral Data (Contributo in atti di convegno)
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- Impact of Irreversible Data Compression on Spectral Distortion of Hyper-spectral Data (Contributo in atti di convegno) (literal)
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- 2003-01-01T00:00:00+01:00 (literal)
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B. Aiazzi; L. Alparone; S. Baronti; L. Santurri; M. Selva (2003)
Impact of Irreversible Data Compression on Spectral Distortion of Hyper-spectral Data
in 22nd EARSeL Symposium (European Association of Remote Sensing Laboratories), Praga, Rep. Ceca, 4-6 Giugno 2002
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- B. Aiazzi; L. Alparone; S. Baronti; L. Santurri; M. Selva (literal)
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- Proceedings of the 22nd EARSeL symposium (European Association of Remote Sensing Laboratories), Praga, Rep. Ceca, 4-6 Giugno 2002 (literal)
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- Geoinformation for European-wide integration, Proceedings of the 22nd EARSeL Symposium (literal)
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- Institute of Applied Physics \"Nello Carrara\" IFAC-CNR, Florence, Italy
Department of Electronics & Telecommunications, University of Florence, Italy
Institute of Applied Physics \"Nello Carrara\" IFAC-CNR, Florence, Italy
Institute of Applied Physics \"Nello Carrara\" IFAC-CNR, Florence, Italy
Institute of Applied Physics \"Nello Carrara\" IFAC-CNR, Florence, Italy (literal)
- Titolo
- Impact of Irreversible Data Compression on Spectral Distortion of Hyper-spectral Data (literal)
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- Geoinformation for European-wide Integration (literal)
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- Abstract
- Goal of the present work is to investigate and compare different compression methodologies from the view-point of spectral distortion introduced in hyper-spectral pixel vectors. The main result of this analysis is that, for a given compression ratio, near-lossless methods, either MAD- or PMAD-constrained, are more suitable for preserving the spectral discrimination capability among pixel vectors, which is the principal outcome of spectral information. Therefore, whenever a lossless compression is not practicable, the use of near-lossless compression is recommended in such application where spectral quality is a crucial point. (literal)
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