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Compression of complex-valued SAR images

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2 Author(s)
P. Eichel ; Sandia Nat. Labs., Albuquerque, NM, USA ; R. W. Ives

Synthetic aperture radars (SAR) are coherent imaging systems that produce complex-valued images of the ground. Because modern systems can generate large amounts of data, there is substantial interest in applying image compression techniques to these products. We examine the properties of complex-valued SAR images relevant to the task of data compression. We advocate the use of transform-based compression methods but employ radically different quantization strategies than those commonly used for incoherent optical images. The theory, methodology, and examples are presented

Published in:

IEEE Transactions on Image Processing  (Volume:8 ,  Issue: 10 )