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entropy coding

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 ...

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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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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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Variable-Length Entropy Coding of Video Transmission in WLAN

Variable-Length Entropy Coding of Video Transmission in WLAN

... PVQ also has significant computational advantages over H.264/AVC and Motion JPEG 2000, as it does not require sophisticated encoding tools such as intra prediction modes, motion estimation, variable size transforms, ...

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FPGA Implementation of High Performance Entropy Encoder for H.264 Video CODEC

FPGA Implementation of High Performance Entropy Encoder for H.264 Video CODEC

... Context-adaptive variable-length coding (CAVLC) is a form of entropy coding used in H.264/MPEG-4 AVC video encoding. It is an inherently lossless compression technique, like almost all ...

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Title: Algorithm and Architecture Design of High Efficiency Video Coding (HEVC) Standard

Title: Algorithm and Architecture Design of High Efficiency Video Coding (HEVC) Standard

... The blocks specified as luma and chroma CTBs can be directly used as CBs or can be further partitioned into multiple CBs. Partitioning is achieved using tree structures. The tree partitioning in HEVC is generally applied ...

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Design of Pipelined architecture for jpeg image compression with 2D-DCT and Huffman Encoding

Design of Pipelined architecture for jpeg image compression with 2D-DCT and Huffman Encoding

... The JPEG baseline can be divided into five main steps, as shown in Fig. 1: color space conversion, downsampling, 2-D DCT, quantization and entropy coding. This paper will present the architectures for these ...

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AN OVERVIEW OF H.26x SERIES AND ITS APPLICATIONS

AN OVERVIEW OF H.26x SERIES AND ITS APPLICATIONS

... Fig. 2 represents an overview of the H.261 CODEC, taken from the ITU reference documentation; shows the major components used to code and decode the bit streams [2]. H.261 encoding is based on the discrete cosine ...

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Satya P Kumar Somayajula

Satya P Kumar Somayajula

... Application of wave atoms based decomposition for eye iris image compression with the application of the global threshold with the arithmetic entropy coding culminates into a significant improvement in PSNR ...

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Design & Implementation of JPEG2000 Encoder using VHDL

Design & Implementation of JPEG2000 Encoder using VHDL

... is entropy coding ...Huffman coding algorithm for the entropy coding the resulting image file can be compress as much as up to 2 - 3% of the original image size ...Huffman coding ...

6

Feedback Quantization for Linear Precoded Spatial Multiplexing

Feedback Quantization for Linear Precoded Spatial Multiplexing

... This paper gives an overview and a comparison of recent feedback quantization schemes for linear precoded spatial multiplexing systems. In addition, feedback compression methods are presented that exploit the time ...

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Development to Improve the Image Quality by Super Resolution Representation of Low Resolved Image.

Development to Improve the Image Quality by Super Resolution Representation of Low Resolved Image.

... image coding algorithms such as entropy coding or lifting coding scheme, a approach of image representation for lower the pixel representation without transforming the image coefficient were ...

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Context-based adaptive arithmetic coding in time and frequency domain for the lossless compression of audio coding parameters at variable rate

Context-based adaptive arithmetic coding in time and frequency domain for the lossless compression of audio coding parameters at variable rate

... arithmetic coding, the entropy coding method of an adaptive arithmetic coding technique with a time-frequency plane context model (both time and frequency domain are taken into account) was ...

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EFFICIENT IMAGE COMPRESSION TECHNIQUE USING SELF ORGANIZING FEATURE MAPS

EFFICIENT IMAGE COMPRESSION TECHNIQUE USING SELF ORGANIZING FEATURE MAPS

... Rest of the paper is organized as follows. In Section 2, below, we present the proposed compression scheme based on the Vector Quantization by Kohonen’s Self Organizing Feature Map and the Entropy Coding of ...

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Implementation of H.264/MPEG-4 AVC for
          Compound Image Compression Using Histogram
          based Block Classification Scheme

Implementation of H.264/MPEG-4 AVC for Compound Image Compression Using Histogram based Block Classification Scheme

... The coding efficiency of CABAC is higher than those of the Q-coder, QM coder, and MQ coder, because of (a) the more precise multiplication of RangeLPS, (b) larger number of probability states for each probability ...

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Simulation and Performance Enhancement of High Efficiency Video Coding Standard for Video Compression

Simulation and Performance Enhancement of High Efficiency Video Coding Standard for Video Compression

... transform coding which is responsible to remove spatial redundancy but inside a square and furthermore a linear transform, scalar quantization of the transform coefficients and entropy coding of the ...

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Exergy concept and exergetic analysis: review

Exergy concept and exergetic analysis: review

... entropy and exergy concepts come from thermodynamics and are applicable to all fields of science and engineering. Therefore, this article intends to provide background for better understanding of these concepts ...

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Coding Theorems on New ‘Useful’ Fuzzy Information Measure of Order and Type

Coding Theorems on New ‘Useful’ Fuzzy Information Measure of Order and Type

... noiseless coding theorem. Several other authors have given generalized coding theorems for different fuzzy information measures under the condition of uniquely ...

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entropy change.ppt

entropy change.ppt

... A 1-kg metal bar, initially at 1000 K, is removed from an oven and quenched by immersing in a closed tank containing 20 kg of water, initially at 300 K. Assume both substances are incompressible and C water = 4(kJ/kg K), ...

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