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It is well known that filtering of multichannel images is, in general, more efficient compared to separate filtering of component data. This property can be exploited in processing dual-polarization radar images acquired by synthetic aperture radar (SAR) which are distorted by intensive speckle. Filtering of dual-polarization SAR images composed of HH and VV polarization components is studied. A novel...
This letter presents an advanced discrete cosine transform (DCT)-based image compression method that combines advantages of several approaches. First, an image is divided into blocks of different sizes by a rate-distortion-based modified horizontal-vertical partition scheme. Statistical redundancy of quantized DCT coefficients of each image block is reduced by a bit-plane dynamical arithmetical coding...
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