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Entropy and Coding

Algebraic Techniques in Coding Theory: Entropy Vectors, Frames, and Constrained Coding

Algebraic Techniques in Coding Theory: Entropy Vectors, Frames, and Constrained Coding

... in coding theory, and try to gain some insight into the algebraic structure behind ...the entropy region—the space of all possible vectors of joint entropies which can arise from a set of discrete random ...

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Dichotomic classes, correlations and entropy optimization in coding sequences

Dichotomic classes, correlations and entropy optimization in coding sequences

... Dichotomic classes, correlations and entropy optimization in coding sequences.. Simone Giannerini 1.[r] ...

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On the Performance of Secret Entropy Coding: A Perspective Beyond Security

On the Performance of Secret Entropy Coding: A Perspective Beyond Security

... secret entropy coding has attracted more attention than others, because there are various ways to integrate encryption into data compres- sion without much additional computational ...Huffman coding ...

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Joint Entropy Coding and Encryption in AVS Video Codec

Joint Entropy Coding and Encryption in AVS Video Codec

... its entropy coding, we present a proposition regarding joint en- tropy coding and selective encryption of AVS video codec for its C2DVLC entropy coding ...

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Improved entropy encoding for high efficient video coding standard

Improved entropy encoding for high efficient video coding standard

... Video Coding (HEVC) has better coding efficiency, but the encod- ing performance has to be improved to meet the growing multimedia ...standard entropy encoding by introducing the optimized weighing ...

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Channel capacity of coding system on tsallis entropy and q-statistics

Channel capacity of coding system on tsallis entropy and q-statistics

... the coding system for transmission of messages on the basis of Tsallis entropy and aim to understand Tsallis entropy theory from the viewpoint of coding theory and seek a way to maximize the ...

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Entropy coding of Quantized Spectral Components in FDLP audio codec

Entropy coding of Quantized Spectral Components in FDLP audio codec

... as entropy coding or simultaneous mask- ...employing entropy coding. Unlike traditionally used Huffman coding in current audio coding systems, we describe an efficient way to ...

6

Lossless Video Compression Using Bayesian Networks and Entropy Coding

Lossless Video Compression Using Bayesian Networks and Entropy Coding

... Bayesian Networks [12] or Belief Networks have been a subject of intense research in a wide variety of scientific fields. Predominantly, in the recent past, they have been used to model and explain a domain, update beliefs ...

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Multimedia Encryption with Joint Randomized Entropy Coding and Rotation in Partitioned Bitstream

Multimedia Encryption with Joint Randomized Entropy Coding and Rotation in Partitioned Bitstream

... during entropy coding and the choice does not have an impact on the coding e ffi - ...an entropy coder uses a fixed value of ECP to encode all inputs throughout the entire compression pro- ...

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A compact parallel Huffman entropy coding 
		technique on GPGPU using CUDA

A compact parallel Huffman entropy coding technique on GPGPU using CUDA

... Huffman entropy coding technique since the redundancy of an image data will be expelled at the precise ...Huffman entropy coding algorithm which implements on the environment of GPGPU using ...

7

Wavelet Based Color Image Compression and Mathematical Analysis of Sign Entropy Coding

Wavelet Based Color Image Compression and Mathematical Analysis of Sign Entropy Coding

... the coding of wavelet coefficients magnitude, there are no efficient for coding their ...separate entropy coding of sign and magnitude of wavelet ...

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An application of generalized Tsalli’s-Havrda-Charvat  entropy in coding theory through a generalization of

An application of generalized Tsalli’s-Havrda-Charvat entropy in coding theory through a generalization of

... 7. Kumar S. Some more results on R-Norm information measure, Tamkang Journal of Mathematics, 2009; 40(1):41-58. 8. Kumar S. Some more results on a generalized ‘useful’ R-Norm information measure, Tamkang Journal of ...

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JOINT VIDEO COMPRESSION AND ENCRYPTION USING SECURE WAVELET TRANSFORM AND ENTROPY CODING

JOINT VIDEO COMPRESSION AND ENCRYPTION USING SECURE WAVELET TRANSFORM AND ENTROPY CODING

... video coding - a modified frequency transform called as Secure Wavelet Transform or SWT and a modified entropy coding scheme called Chaotic Arithmetic Coding (CAC) is used for video ...perform ...

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A Video Sensing Oriented Format compliant Entropy Coding Encryption Scheme and Embedded Video Processing System

A Video Sensing Oriented Format compliant Entropy Coding Encryption Scheme and Embedded Video Processing System

... CABAC entropy coding, the proposed encryption scheme achieves low complexity and could meet the real-time requirement of an unmanned aerial vehicle based video capture ...

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Lossless Medical Image Compression using Predictive Coding and Integer Wavelet Transform based on Minimum Entropy Criteria

Lossless Medical Image Compression using Predictive Coding and Integer Wavelet Transform based on Minimum Entropy Criteria

... predictive coding and then Integer Wavelet Transform for different medical test ...scaled entropy of different test images are calculated for different test images using method 1, method 2 , Daubechies 2 , ...

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Hyper Spectral Image Compression Using Fast Discrete Curve Let Transform with Entropy Coding
S Chaithanya & K Penchaliah

Hyper Spectral Image Compression Using Fast Discrete Curve Let Transform with Entropy Coding S Chaithanya & K Penchaliah

... arithmetic entropy coding algo- rithm will be used for effective ...arithmetic coding is involved to shrink the coefficients to represent the image in minimal number of ...AAC coding with ...

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On coding theorem connected with ‘useful’ entropy of order β

On coding theorem connected with ‘useful’ entropy of order β

... On Certain Coding Theorems for the Information of Order and Type 8, in Information Theory, Statistical Functions, Random Processes,. Transactions of the 8th Prague Conference_.C, Prague [r] ...

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Variable-Length Entropy Coding of Video Transmission in WLAN

Variable-Length Entropy Coding of Video Transmission in WLAN

... PVQ provides excellent video quality on sequences with significant texture and motion, such as Riverbed and Pedestrian Area. This is significant, as the quality of HD compression is often judged by its ability to handle ...

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A Coding Technique with Progressive Reconstruction Based on VQ and Entropy Coding Applied to Medical Images

A Coding Technique with Progressive Reconstruction Based on VQ and Entropy Coding Applied to Medical Images

... Finally, as far as the JPEG9 is concerned, the two rightmost images in figure 5 show comparable compression ratios, though the image quality is much higher in the VQBPC with 5 bit planes[r] ...

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Transform coding of images using fixed-rate and entropy-constrained trellis coded quantization

Transform coding of images using fixed-rate and entropy-constrained trellis coded quantization

... Moving clockwise from the upper- left corner of each figure is the original image and the encoded images using scalar quantization, entropy-constrained TCQ (4-state), and fixe[r] ...

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