Results 211 to 220 of about 26,272 (260)
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Adaptive entropy coded subband coding of images
IEEE Transactions on Image Processing, 1992The authors describe a design approach, called 2-D entropy-constrained subband coding (ECSBC), based upon recently developed 2-D entropy-constrained vector quantization (ECVQ) schemes. The output indexes of the embedded quantizers are further compressed by use of noiseless entropy coding schemes, such as Huffman or arithmetic codes, resulting in ...
J W Modestino
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Entropy Coding and Entropy Coding Improvements of JPEG XS
2018 Data Compression Conference, 2018JPEG XS is a new standard for low-latency and low-complexity coding designed by the JPEG committee. Unlike former developments, optimal rate distortion performance is only a secondary goal; the focus of JPEG~XS is to enable cost-efficient, easy to parallelize implementations suitable for FPGAs or GPUs. In this article, we shed some light on the entropy
Thomas Richter 0005 +3 more
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Proceedings DCC '98 Data Compression Conference (Cat. No.98TB100225), 2002
Summary form only given. We present an algorithm for constructing entropy codes that allow progressive transmission. The algorithm constructs codes by forming an unbalanced tree in a similar to fashion to Huffman coding. It differs, however, in that nodes are combined in a rate-distortion sense. Because nodes are formed with both rate and distortion in
Tony S. Verma, Teresa H. Meng
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Summary form only given. We present an algorithm for constructing entropy codes that allow progressive transmission. The algorithm constructs codes by forming an unbalanced tree in a similar to fashion to Huffman coding. It differs, however, in that nodes are combined in a rate-distortion sense. Because nodes are formed with both rate and distortion in
Tony S. Verma, Teresa H. Meng
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Block truncation coding with entropy coding
IEEE Transactions on Communications, 1995Block truncation coding (BTC) is a simple and fast image compression algorithm which achieves a constant bit rate of 2.0 bits per pixel. The method is however suboptimal. We propose a modification of BTC in which the compression ratio is improved by coding the quantization data and the bit plane by arithmetic coding with an adaptive modelling scheme ...
Pasi Fränti, Olli Nevalainen
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Proceedings. Compression and Complexity of SEQUENCES 1997 (Cat. No.97TB100171), 2002
The paper addresses several issues involved in interleaving compressed output from multiple non-prefix codes or from a combination of prefix and non-prefix codes. The technique used throughout is decoder-synchronized encoding, in which the encoder manipulates the data stream to allow just-in-time decoding.
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The paper addresses several issues involved in interleaving compressed output from multiple non-prefix codes or from a combination of prefix and non-prefix codes. The technique used throughout is decoder-synchronized encoding, in which the encoder manipulates the data stream to allow just-in-time decoding.
openaire +1 more source