Synthetic aperture radar (SAR) data compression

Details Synthetic aperture radar (SAR) data compression Synthetic aperture radar (SAR) data compression

2005-03-10

2008-08-12

Sotomayor, John B (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Synthetic aperture radar

C342S02500R, C342S02500R, C342S02500R, C342S02500R, C342S192000, C342S196000

Reexamination Certificate

active

07411540

ABSTRACT:
A method of compressing phase history (PH) data includes (a) dividing PH data into multiple sub-apertures; (b) transforming the sub-apertures into multiple coarse resolution images; and (c) compressing each of the coarse resolution images. Compressing each of the coarse resolution images may include (i) selecting at least one image from the coarse resolution images to form a base image, (ii) differencing each of the coarse resolution images from the base image to form residual images, and (iii) quantizing the residual images.

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