1996
DOI: 10.1109/83.480760
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Vector quantization of image subbands: a survey

Abstract: Subband and wavelet decompositions are powerful tools in image coding because of their decorrelating effects on image pixels, the concentration of energy in a few coefficients, their multirate/multiresolution framework, and their frequency splitting, which allows for efficient coding matched to the statistics of each frequency band and to the characteristics of the human visual system. Vector quantization (VQ) provides a means of converting the decomposed signal into bits in a manner that takes advantage of re… Show more

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Cited by 152 publications
(56 citation statements)
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“…El vector de cuantificación es extremadamente eficiente en compresión de regiones uniformes de una imagen (62). Además, esta técnica se usa comúnmente en la compresión de imágenes de mamografía, puesto que permite la detección y clasificación de las anormalidades presentes en este tipo de imágenes (63,64).…”
Section: Cuantificaciónunclassified
“…El vector de cuantificación es extremadamente eficiente en compresión de regiones uniformes de una imagen (62). Además, esta técnica se usa comúnmente en la compresión de imágenes de mamografía, puesto que permite la detección y clasificación de las anormalidades presentes en este tipo de imágenes (63,64).…”
Section: Cuantificaciónunclassified
“…In data compression and coding, the use of sub band decomposition has been extensively used [1]. Crochiere et al [2] was the first to propose sub band coding for medium bandwidth waveform coding of speech signals.…”
Section: Introductionmentioning
confidence: 99%
“…VQ has received a great attention in the field of multimedia data compression [3][4][5] since last few decades because it has simple decoding structure and can provide high compression ratio. In order to compress the image using VQ, initially image is decomposed into nonoverlapping sub image blocks, also termed as vectors.…”
Section: Introductionmentioning
confidence: 99%