low coding bit rate
Feature extraction for very low bit rate video coding
... A very basic aspect of the contents of almost all images is that it is a 3-D scene that is projected on to the 2-D image. This knowledge can be used in compression schemes in several ways. One consequence is that the ...
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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 ...for low bit-rate data hiding in images is Texture Block ...
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Low Complexity Hybrid Rate Control Schemes for Distributed Video Coding
... In this paper new techniques for low complexity rate control are proposed. These solutions are inspired from the temporal behavior of the FNC which displays not only a temporal stationnarity between ...
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Efficient bit rate control method for distributed video coding system
... Slepian-Wolf coding corresponding to the lossy source coding ...wireless low-power video surveillance systems, visual sensor networks and mobile systems with ultra light encoders ...DVC coding ...
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Implementation of Low Bit Rate Vocoder for Speech Compression
... applications, low bit-rate speech compression methods are ...on low bit rate speech coding technology, mainly in TWELP and solved the problem of optimizing the program of ...
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SECURE VOICE COMMUNICATION USING LOW BIT RATE SYSTEM FOR GSM USERS
... Prof.K.Murugesan obtained B.E. and M.E. degrees from Madurai Kamaraj University, Madurai in 1990 and 1994 respectively. He earned his Ph.D from Anna University, Chennai in 2001. He has published more than 40 research ...
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Steganography integration into a low-bit rate speech codec
... Dittmann et al. [5] presented a more general scheme for steganography in VoIP, which can be used for transmitting an arbitrary secret message. More recently, Huang and co-workers [7] suggested an M-Sequence based LSB ...
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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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FMO-based H.264 frame layer rate control for low bit rate video transmission
... Motion vectors of neighbouring MBs are often corre- lated because object motion can extend over large regions in the frame. In H.264/AVC, this correlation is exploited by computing a motion vector prediction from the MBs ...
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Efficient Low Bit Rate Low Latency Channelization in DECT
... voice coding algorithms en- able the transmission of toll quality voice at a bit rate as low as 6–8 kbps ...popular. Low bit-rate channels are needed to enable efficient ...
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Very Low Bit Rate Video Coding by Combining H 264/AVC Standard and 2 D Discrete Wavelet Transform
... video coding standards, has a good capability in coding of the low frequency components (the general structure) in contents of video frames, but it has difficul- ties in encoding the details of ...
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Rate Distortion Analysis and Bit Allocation Scheme for Wavelet Lifting-Based Multiview Image Coding
... model-based bit allocation scheme for wavelet lifting-based multiview image ...of bit allocation in image ...the low-pass and high-pass subbands of each image view obtained from the DCWL process is ...
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Image compression algorithm of floral canopy based on mask hybrid coding for ROI
... the bit-plane of the ROI to obtain priority of coding for the ROI-set partitioning in hierarchical trees (ROI-SPIHT) ...(EZW) coding was conducted for the background (BG) region of the image and a ...
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GiLBCSteg: VoIP Steganography Utilizing the Internet Low Bit Rate Codec
... 30 ms frames are divided into 240 audio samples which are organized into 6 sub-blocks/frames of 40 samples. iLBC processes each block without looking at the next block, so that if some packets are dropped on a network, ...
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Object Based Real Time Lossless Video Compression
... Very Low Bit-Rate Coding” 1997 describes an object-based video coding scheme (OBVC) this technique achieves efficient compression by separating coherently moving objects from stationary ...
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Listless Block Tree Coding with Discrete Wavelet Transform for Embedded Image Compression at Low Bit Rate
... Listless Block Tree Coding (LBTC) is Wavelet Block Truncation Coding (WBTC) algorithm without using lists. LBTC is evolved from two variants of Set Partitioning In Hierarchal Trees (SPIHT) which are Wavelet ...
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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 ...
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Adaptive Long-Term Coding of LSF Parameters Trajectories for Large-Delay/Very- to Ultra-Low Bit-Rate Speech Coding
... for coding the LSF parameters of LPC speech coders on a “long-term” basis, that is, beyond the usual 20–30 ms frame ...ultra-low bit-rate ...“sparse” coding (using here multistage ...
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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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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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