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- W2388995027 abstract "With the development of high-resolution SAR systems,it is necessary to develop image compression techniques to compress these products because the volume of data in SAR systems is increasing rapidly.Unlike the compression of SAR real images,the compression of SAR complex images usually needs to keep the phase information which is a difficulty task.In this paper,the correlation of complex SAR images data before and after the wavelet transform is analyzed.Then the theory and methodology of a wavelet-based compressing method for SAR complex images,the Wavelet Transform Block Adaptive Vector Quantization(WT-BAVQ) algorithm,is presented.At the same time,as the compression is performed to a SAR complex image with WT-BAVQ,the Average Spatial Correlation(ASC) and Average Phase Correlation Coefficient(APCC) are achieved and the decompressed image is given.Moreover,the comparison of ASC and APCC is made with Block Adaptive Vector Quantization(BAVQ),Wavelet Transform Vector Quantization(WT-VQ) and wavelet transform block adaptive quantization (WT-BAQ).The experiments manifest that with the same compression ratio,the ASC of WT-BAVQ is higher than that of the other three algorithms." @default.
- W2388995027 created "2016-06-24" @default.
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- W2388995027 date "2010-01-01" @default.
- W2388995027 modified "2023-09-26" @default.
- W2388995027 title "Compression of SAR complex image with wavelet transform block adaptive vector quantization" @default.
- W2388995027 hasPublicationYear "2010" @default.
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