Pixel-position-based lossless image compression algorithm
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2019
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International Journal of Innovative Studies in Sciences and Engineering Technology
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Resumo
In this paper we present a novel lossless image
compression method that is very simple and fast. The
method uses linear prediction followed by arithmetic
coding. Different prediction functions are used to
estimate the intensity of image pixels. Two variants of
the prediction algorithm are presented. One variant uses
two different prediction functions and the other uses
three different prediction functions. The position of the
pixel in the image determines which prediction function
is used. The method can be applied for images of any size
and of high bit-depths. Standard images available in the
literature are used to test the method. The compression
ratios obtained with the proposed method are compared
with the compression ratios obtained with the JPEG-LS
and JPEG2000 methods and the results are satisfactory.
Como referenciar
CABRAL, EDUARDO L.L.; SABUNDJIAN, GAIANE; CONTI, THADEU das N. Pixel-position-based lossless image compression algorithm. International Journal of Innovative Studies in Sciences and Engineering Technology, v. 5, n. 12, p. 21-30, 2019. Disponível em: http://repositorio.ipen.br/handle/123456789/30846. Acesso em: 19 Apr 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.