low bit rate image coding
Warped Discrete Cosine Transform-Based Low Bit-Rate Block Coding Using Image Downsampling
... (WDCT)-based low bit-rate block coding using image ...high bit-rate coding applications because of the overhead required to define the parameters of the warping ...
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Rate Distortion Analysis and Bit Allocation Scheme for Wavelet Lifting-Based Multiview Image Coding
... model-based bit allocation scheme of wavelet lifting-based multiview image ...among image views are removed by disparity-compensated wavelet lifting ...the low-pass and high-pass subbands of ...
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International Journal of Computer Science and Mobile Computing
... In low bit-rate encoding, we expect a high level of robustness in return for low ...host image a specific statistic, one that has a Gaussian ...the image are chosen, and then the ...
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STUDY ON THE DELAY OF UAV DATA LINK BASED ON DARKROOM CALIBRATE LINK METHOD
... the image signal coding efficient transmission. To consume low storage and identifying the signal information is ...A low cost LED panel display is used to execute the final ...which ...
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Facial Image Compression Based on Structured Codebooks in Overcomplete Domain
... In this section, the case of single source distributed coding system with side information is discussed for the case of very-low-bit-rate (less than 0.1 bpp) compression of passport photo ...
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A Very Low Bit Rate Image Compressor Using Transformed Classified Vector Quantization
... very low bit rate image compression scheme is ...VQ-based coding. We start by transforming image block from spatial domain to frequency domain using ...reconstructed image ...
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Enhanced Adaptive Approach of Video Coding at Very Low Bit Rate Using MSPIHT Algorithm
... video coding, the frame of ROI are encoded with higher quality than non-ROI ...salient coding artifacts in non-ROI frame parts to maintain user’s at- tention on ROI ...adequate image de-noising ...
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AN ENHANCED LOSSLESS IMAGE COMPRESSION BASED ON HIERARCHICAL PREDICTION CONTEXT ADAPTIVE CODING
... high bit resolution images on low bit resolution displays, bit resolution needs to be ...reduced bit rates and high compression gain, an enhanced method for compression of various color ...
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Image compression algorithm of floral canopy based on mask hybrid coding for ROI
... high-quality image compression of a floral canopy, a region of interest (ROI) mask of the wavelet domain was generated through the automatic identification of the canopy ROI and lifting the bit-plane of the ...
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Listless Block Tree Coding with Discrete Wavelet Transform for Embedded Image Compression at Low Bit Rate
... The performance of LBTC-DWT is compared with other compression methods as LBTC, WBTC, NLS and SPIHT. The proposed algorithm is found to be better than other methods by a wide margin in terms of various parameters as ...
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Feature extraction for very low bit rate video coding
... All features in an image are linked into more complex features in the following way: In a structured way the algorithm picks a starting region. If the region contains a feature then the two endpoints of that ...
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Very Low Bit Rate Video Coding by Combining H 264/AVC Standard and 2 D Discrete Wavelet Transform
... video sequence. After applying a two dimensional Haar wavelet transform on it, Figure 5(b) is obtained. Finally, Figure 5(c) indicates the corresponding LL, LH, HL, and HH bands according to Figure 5(b). Considering that ...
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Vector Quantization for Image Compression using Repulsion based FPCM
... advancement image transmission has achieved extensive ...Wavelet-based image compression is the widely used compression technique as it affords recognized transmission in low bandwidth allotted ...
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A Mobile Streaming Media on Demand System Based on SVC Encoding and Its Performance Optimization Design and Implementation
... SVC coding technology, the video can be divided into data stream with multiple layers, that is, it includes a base layer data stream and one or more enhancement layer data ...with low complexity, which only ...
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Analysis of Video Quality Variation with Different Bit Rates of H 264 Compression
... video bit stream generated by a video signal compressed through the ...source rate consists of two modes: VBR (Variable Bit Rate) and CBR (Constant Bit Rate) ...source ...
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Data Embedding and Extraction Using BPCS Algorithm
... cover image which we are hiding. By using bit plane coding steganography (BPCS) we divide the image into slices and thus the cover image will hide in the pixels of original image ...
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Universal steganography model for low bit-rate speech codec
... covert communications by modifying the redundant information of bit load of streaming media. Huang, Tang, et al. [9] suggested a VoIP steganographic algorithm of embedding secret bits by replacing part of inactive ...
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ANALYSIS AND REVIEW OF EFFICIENT DECODING ALGORITHMS FOR LOW DENSITY PARITY CHECK(LDPC) CODE
... Channel coding is very important to analysis of LDPC code. Channel coding refers to the class of signal transformations designed to improve communications performance by enabling the transmitted signals to ...
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GiLBCSteg: VoIP Steganography Utilizing the Internet Low Bit Rate Codec
... Another study into VoIP steganography was conducted by Naofumi Aoki [8]. The author used the closed source high bit rate G.711 audio codec to embed semi-lossless steganography in it. High bit ...
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Visual Analysis of the Exact Solution of a Heat Equation
... The image of the solution is shown in Figure 3.This image is corresponding to the t 1 .... Image of Figure 2 (a) and Figure 3 represent the same solution, however at different grid ...
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