SONG Bei-bei SUN Wen-fang. JPEG2000 compression for remote sensing images with precise quality control[J]. Editorial Office of Optics and Precision Engineering, 2013,21(8): 2180-2186
SONG Bei-bei SUN Wen-fang. JPEG2000 compression for remote sensing images with precise quality control[J]. Editorial Office of Optics and Precision Engineering, 2013,21(8): 2180-2186 DOI: 10.3788/OPE.20132108.2180.
JPEG2000 compression for remote sensing images with precise quality control
A remote sensing image JPEG2000 compression scheme with precise quality control was proposed. According to the perfect reconstruction of wavelet filter banks and the statistical independence of subband coefficient quantization error
a mathematical expression formula was established to describe the relation between the peak signal to noise ratio and the wavelet coefficient quantization error. Based on the traditional JPEG2000 rate distortion model
a distortion-based rate minimization model was constructed and optimization truncation coding stream to obtain a desired target image compression quality was given. An experiment on standard test images and satellite remote sensing image was performed and obtained results were compared with that of the conventional rate-based distortion minimization JPEG2000 encoding. Results indicate that the new method has the same coding structure and computing complexity
and it can accurately control the compression image quality with an average control precision less than 1%. In addition
this proposed method has higher global compression im-age peak signal to noise ratio at the same total coding rate for sequence remote sensing images.
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