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Algorithms 2017, 10(2), 51; doi:10.3390/a10020051

Adaptive Vector Quantization for Lossy Compression of Image Sequences

1
Dipartimento di Informatica, Università di Salerno, Via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy
2
Computer Science Department, Sapienza University, Via Salaria 113, Rome 00185, Italy
This paper is an extended version of our paper published in Data Compression Conference 2016, Communication Processing and Security 2016.
*
Author to whom correspondence should be addressed.
Academic Editors: Pierre Leone and Bruno Carpentieri
Received: 23 January 2017 / Revised: 24 April 2017 / Accepted: 4 May 2017 / Published: 9 May 2017
(This article belongs to the Special Issue Data Compression, Communication Processing and Security 2016)
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Abstract

In this work, we present a scheme for the lossy compression of image sequences, based on the Adaptive Vector Quantization (AVQ) algorithm. The AVQ algorithm is a lossy compression algorithm for grayscale images, which processes the input data in a single-pass, by using the properties of the vector quantization to approximate data. First, we review the key aspects of the AVQ algorithm and, subsequently, we outline the basic concepts and the design choices behind the proposed scheme. Finally, we report the experimental results, which highlight an improvement in compression performances when our scheme is compared with the AVQ algorithm. View Full-Text
Keywords: lossy compression; adaptive vector quantization; image sequences; data compression lossy compression; adaptive vector quantization; image sequences; data compression
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Pizzolante, R.; Carpentieri, B.; De Agostino, S. Adaptive Vector Quantization for Lossy Compression of Image Sequences . Algorithms 2017, 10, 51.

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