Conferencia
Acevedo, D.G.; Ruedin, A.M.C. "Reduction of interband correlation for landsat image compression" (2005) SIBGRAPI 2005: 18th Brazilian Symposium on Computer Graphics and Image Processing - Conference Proceedings. 2005:390-396
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Abstract:
We present a lossless compressor for multispectral images that exploits interband correlations. Each band is divided into blocks, to which a wavelet transform is applied. The wavelet coefficients are predicted by means of a linear combination of coefficients belonging to the same orientation and spatial location. The prediction errors are then encoded with an entropy - based coder. Our original contributions are i) the inclusion, among the candidates for prediction, of coefficients of the same location from other spectral bands, ii) the calculation of weights tuned to the landscape being processed, iii) a fast block classification and a different band-ordering for each landscape. Our compressor reduces the size of an image to about a fourth of its original size. Our method is equivalent to LOCO-I, on 3 of the images tested it was superior. It is superior to other lossless compressors: WinZip, JPEG2000 and PNG. © 2005 IEEE.
Registro:
| Documento: | Conferencia |
| Título: | Reduction of interband correlation for landsat image compression |
| Autor: | Acevedo, D.G.; Ruedin, A.M.C. |
| Ciudad: | Natal, Rio Grande do Norte |
| Filiación: | Departamento de Computatión, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina |
| Palabras clave: | Linear combination; Spatial location; Spectral bands; Wavelet coefficients; Error detection; Image analysis; Image coding; Image quality; Wavelet transforms; Image compression |
| Año: | 2005 |
| Volumen: | 2005 |
| Página de inicio: | 390 |
| Página de fin: | 396 |
| DOI: | http://dx.doi.org/10.1109/SIBGRAPI.2005.43 |
| Título revista: | SIBGRAPI 2005: 18th Brazilian Symposium on Computer Graphics and Image Processing - Conference Proceedings |
| Título revista abreviado: | Braz. Symp. Comput. Graph. Image Process. |
| ISSN: | 15301834 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15301834_v2005_n_p390_Acevedo |
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Citas:
---------- APA ----------
Acevedo, D.G. & Ruedin, A.M.C. (2005) . Reduction of interband correlation for landsat image compression. SIBGRAPI 2005: 18th Brazilian Symposium on Computer Graphics and Image Processing - Conference Proceedings, 2005, 390-396.http://dx.doi.org/10.1109/SIBGRAPI.2005.43
---------- CHICAGO ----------
Acevedo, D.G., Ruedin, A.M.C. "Reduction of interband correlation for landsat image compression" . SIBGRAPI 2005: 18th Brazilian Symposium on Computer Graphics and Image Processing - Conference Proceedings 2005 (2005) : 390-396.http://dx.doi.org/10.1109/SIBGRAPI.2005.43
---------- MLA ----------
Acevedo, D.G., Ruedin, A.M.C. "Reduction of interband correlation for landsat image compression" . SIBGRAPI 2005: 18th Brazilian Symposium on Computer Graphics and Image Processing - Conference Proceedings, vol. 2005, 2005, pp. 390-396.http://dx.doi.org/10.1109/SIBGRAPI.2005.43
---------- VANCOUVER ----------
Acevedo, D.G., Ruedin, A.M.C. Reduction of interband correlation for landsat image compression. Braz. Symp. Comput. Graph. Image Process. 2005;2005:390-396.http://dx.doi.org/10.1109/SIBGRAPI.2005.43
