Experiments with wavelets for compression of SAR data

Journal Article · Fri Dec 31 23:00:00 EST 1993 · IEEE Transactions on Geoscience and Remote Sensing (Institute of Electrical and Electronics Engineers); (United States)

DOI:https://doi.org/10.1109/36.285202· OSTI ID:7226447

Werness, S A; Wei, S C; Carpinella, R ^[1]

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1. Environmental Research Inst. of Michigan, Ann Arbor, MI (United States)

Synthetic aperture radar (SAR) is an active coherent all-weather imaging system that operates in the microwave region of the spectrum. This imagery has many possible uses, such as in surveillance, oceanography, glaciology, and agriculture. Wavelet transform coding is shown to be an effective method for compression of both detected and complex synthetic aperture radar (SAR) imagery. Three different orthogonal wavelet transform filters are examined for use in SAR data compression; the performances of the filters are correlated with mathematical properties such as regularity and number of vanishing moments. Excellent quality reconstructions are obtained at data rates as low as 0.25 bpp for detected data and as low as 0.5 bits per element (or 2 bpp) for complex data.

• OSTI ID: 7226447
• Journal Information: IEEE Transactions on Geoscience and Remote Sensing (Institute of Electrical and Electronics Engineers); (United States), Journal Name: IEEE Transactions on Geoscience and Remote Sensing (Institute of Electrical and Electronics Engineers); (United States) Vol. 32:1; ISSN IGRSD2; ISSN 0196-2892
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
540210* -- Environment
Terrestrial-- Basic Studies-- (1990-)
540310 -- Environment
Aquatic-- Basic Studies-- (1990-)
58 GEOSCIENCES
580000 -- Geosciences
ALGORITHMS
DATA PROCESSING
DIGITAL FILTERS
IMAGE PROCESSING
MATHEMATICAL LOGIC
MEASURING INSTRUMENTS
PERFORMANCE
PROCESSING
RADAR
RANGE FINDERS
SIMULATION
SYNTHETIC-APERTURE RADAR
USES