source coding bit-rate
Facial Image Compression Based on Structured Codebooks in Overcomplete Domain
... distributed source coding ...of source coding with side information and, contrarily to the existing scenarios where the side information is given explicitly; the side information is created ...
11
Rate adaptive BCH codes for distributed source coding
... based rate-adaptive BCH codes, which will be simply referred to as RA BCH codes in the first part of the ...est rate out of the set giving a BER not exceeding that of the LDPCA has been ...optimal ...
14
Performance evaluation of variable transmission rate OFDM systems via network source coding
... transmission rate OFDM sys- tems using network coding schemes are proposed, and the performance of these two proposed systems is ...mission rate is adjusted by selecting the bit stream from ...
16
Listless Block Tree Coding with Discrete Wavelet Transform for Embedded Image Compression at Low Bit Rate
... the source image and is represented as LL and there are three high-pass subbands which exploit details of an image across various directions – HL is for horizontal, LH is for vertical and HH is for diagonal ...
5
Identification of Sparse Audio Tampering Using Distributed Source Coding and Compressive Sensing Techniques
... Despite their widespread diffusion as a tool for mul- timedia protection, watermarking schemes suffer from a series of disadvantages: (1) watermarking authentication is not backward compatible with previously encoded ...
12
Joint Source Coding, Unity Rate Precoding and FFH MFSK Modulation using Iteratively Decoded Irregular Variable Length Coding
... Length Coding (IrVLC) combined with precoded Fast Fre- quency Hopping (FFH) M -ary Frequency Shift Keying (MFSK) is ...joint source and channel coding scheme is capable of low Signal-to-Noise Ratio ...
5
Adaptive Long-Term Coding of LSF Parameters Trajectories for Large-Delay/Very- to Ultra-Low Bit-Rate Speech Coding
... the coding of the excitation (residual signal). For example, ultra-low bit rate coding with acceptable quality may be attainable with the long- term coding of basic excitation ...
13
Bandwidth Efficient Wireless Multimedia Communications
... the source-coding area, substantial advances have been made over the past few ...fixed- rate video codecs, which can generate a bitstream that can be accommodated by allocating an additional physical ...
41
Efficient bit rate control method for distributed video coding system
... Slepian-Wolf coding corresponding to the lossy source coding ...DVC coding sys- tem named Power-efficient, Robust, hIgh compression Syndrome based Multimedia coding (PRISM) has been ...
12
A High Integrity Approach to Digital Image Authentication
... algorithm: source code output bits, channel code parity bits and check bits. Source code bits which are the reference bits in this work are the bit stream of the SPIHT-compressed original image at a ...
8
Rate Distortion Analysis and Bit Allocation Scheme for Wavelet Lifting-Based Multiview Image Coding
... the rate-distortion function over a wide range of bit ...of bit rate. Therefore, we propose a combined rate-distortion ...capture rate distortion function precisely in a whole ...
13
Warped Discrete Cosine Transform-Based Low Bit-Rate Block Coding Using Image Downsampling
... transform coding, however, the required side in- formation as well as the computational load will be increased as ...constant bit-rate there is actually no gain in increasing the number of WDCT ...
5
On source coding for networks
... infinite rate (describing index i requires infinite rate only if all cells (i, · ) become ...their rate, and since the encoders work independently, it is possible that an empty cell may inadvertently ...
184
AN ENHANCED LOSSLESS IMAGE COMPRESSION BASED ON HIERARCHICAL PREDICTION CONTEXT ADAPTIVE CODING
... For the prediction of a pixel to be encoded, here we propose a method that can use lower row pixels as well as the upper and left pixels For the compression of color images, the RGB is first altered to Y𝐶𝑢𝐶𝑣 by an RCT ...
8
Article Description
... Abstract––Mobile Wimax is a broadband wireless solution that enables the convergence of mobile and fixed broadband network, through a common wide area broadband radio access technology and flexible network architecture. ...
6
Image Compression using CDF5/3 Wavelet Transform Coupled with Bit Plane Algorithm
... BIT-PLANE CODING The bit-plane coding is based on decomposing a multilevel monochrome or color image into a series of binary images and compressing each binary image by one of several we[r] ...
6
Optimum Probability Distribution for Minimum Redundancy of Source Coding
... The aim of the present paper is to obtain the optimum probability distribution with which the source should deliver messages in order to minimize the absolute redundancy. To obtain our goal, we have taken into ...
10
Mechanisms for QoE optimisation of video traffic: a review paper
... The application-driven cross-layer framework in (S. Khan et al., 2006) is extended to a QoE- based for High Speed Downlink Packet Access (HSDPA) (Thakolsri, Khan, Steinbach, & Kellerer, 2009). It combines both ...
18
ALGEBRAIC CODING THEORY IN THE QUEST FOR EFFICIENT DIGITAL INDIA
... prefix source encoder large enough, we can make the code faithfully represent the discrete memoryless source as closely as ...the source provided the extended code has a high enough order, in ...
9
Performance Analysis of a Wireless CDMA Transmission System with Receiver Diversity Schemes
... The Bit error rate (BER) performance as a function of SNR and probability density function (pdf) of a wireless CDMA transmission system with receiver diversity schemes for several ...the Bit Error ...
9