Compression Techniques
A detailed Summary of Compression Techniques
This research describes an image representation technique that
entails progressive refinement of user specified regions of
interest (ROI) of large images. Progressive refinement of
original quality can be accomplished in theory. However, due to
heavy burden on storage resources for our applications, we
restrict the refinement to about 25% of the original data
resolution. Wavelet decomposition with Vector Quantization (VQ)
of the high frequency components and JPEG/DCT compression of low
frequency component is used as representation framework. Our
software will reconstruct the region selected by the user from
its wavelet decomposition at desired resolution. Further
Some common words found in the essay are:
HL LH, IMAGE DECOMPRESSION, IMAGE COMPRESSION, Quantization VQ, , VECTOR QUANTIZATION, Vector Quantization, System HVS, VQ MVQ, vector quantization, HH HL, hh hl, hl lh, hh hl lh, low frequency, progressive refinement, frequency components, wavelet coefficients, variant vector quantization, compressed variant, low resolution, variant vector, compressed variant vector, coefficients hh hl, vector quantization vq,
Approximate Word count = 471
Approximate Pages = 2 (250 words per page double spaced)
Category: Science
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