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Fusion of Block Adaptive and Vector Quantiser for Efficient SAR Data Compression.
Moreira, A. (Vortragender) and Blaeser, F. (1993) Fusion of Block Adaptive and Vector Quantiser for Efficient SAR Data Compression. IEEE, Piscataway, NJ, USA. Vortrag, gehalten auf: IGARSS '93, Tokyo, Japan, 18.-218.93. Proc.: IGARSS '93, IEEE Cat.No. 93CH3294-6.
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Abstract
This paper proposes a new approach for efficient SAR raw data compression which consists of first compressing the raw data with the Block Adaptive Quantizer (BAQ) and then performing a compression with Vector Quantizer (VQ) algorithm. This combination is computationally efficient since only one small codebook is needed for the coding which is independent from the data set. A signal-to-distortion ratio better than 12 dB and 6 dB is achieved for a data rate of 2 and 1 bit/sample, respectively.
| Document Type: | Conference or Workshop Item (Paper) | ||||||
|---|---|---|---|---|---|---|---|
| Additional Information: | institution=IEEE, LIDO-Berichtsjahr=1993, pages=3, | ||||||
| Title: | Fusion of Block Adaptive and Vector Quantiser for Efficient SAR Data Compression. | ||||||
| Authors: |
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| Date: | 1993 | ||||||
| Volume: | Vol. IV | ||||||
| Page Range: | pp. 1583-1585 | ||||||
| Publisher: | IEEE, Piscataway, NJ, USA | ||||||
| Status: | Published | ||||||
| Keywords: | SAR, Data Compression, Vector Quantizer, Block Adaptive Quantizer | ||||||
| Event Title: | Vortrag, gehalten auf: IGARSS '93, Tokyo, Japan, 18.-218.93. Proc.: IGARSS '93, IEEE Cat.No. 93CH3294-6 | ||||||
| HGF - Research field: | UNSPECIFIED | ||||||
| HGF - Program: | Space | ||||||
| HGF - Program Themes: | W EO - Erdbeobachtung | ||||||
| DLR - Research area: | UNSPECIFIED | ||||||
| DLR - Program: | W EO - Erdbeobachtung | ||||||
| DLR - Research theme (Project): | UNSPECIFIED | ||||||
| Location: | Oberpfaffenhofen | ||||||
| Institutes and Institutions: | Microwaves and Radar Institute > Institut für Hochfrequenztechnik Institute of Communication and Navigation > Institut für Hochfrequenztechnik Remote Sensing Technology Institute > Institut für Hochfrequenztechnik | ||||||
| Deposited By: | elib DLR-Beauftragter | ||||||
| Deposited On: | 02 Apr 2006 | ||||||
| Last Modified: | 27 Apr 2009 08:54 |
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