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Effective optimization of video transmission in WLAN

V Nagesh, K. D. Dattatreya
2014 International Conference on Information Communication and Embedded Systems (ICICES2014)  
In the paper, techniques such as pyramid vector quantization (PVQ) have been implemented for increasing the ability to prevent error propagation through the use of fixed-length codeword in the Wireless  ...  Index Terms: Pyramid vector quantization, least significant bit optimization, video coding, wireless video.  ...  For image compression applications where the vector lengths are small, the pyramid vector quantizer is typically matched with a radial quantizer to form several concentric pyramid shells.  ... 
doi:10.1109/icices.2014.7033992 fatcat:eq4ljg3fzzhnrpksus5dkajrcq

Using self-authentication and recovery images for error concealment in wireless environments

Ching-Yung Lin, Daby Sow, Shih-Fu Chang, Andrew G. Tescher, Bhaskaran Vasudev, V. Michael Bove, Jr.
2001 Multimedia Systems and Applications IV  
Handling packet loss or delay in the mobile and/or Internet environment is usually a challenging problem for multimedia transmission.  ...  Images or video frames are watermarked in a priori such that no additional mechanism is needed in the networking or the encoding process.  ...  In this multi-casting scenario, a TCP-based server needs multi-threads to transcode video signals for multiple clients, or uses a lot of memory for buffering and retransmission.  ... 
doi:10.1117/12.448212 fatcat:s72mmgpjzbcyliq2normdoisyu

Performance of a Robust Filter-based Approach for Contour Detection in Wireless Sensor Networks

Hadi Alasti, William A. Armstrong, Asis Nasipuri
2007 2007 16th International Conference on Computer Communications and Networks  
A robust filter-based approach is proposed for wireless sensor networks for detecting contours of a signal distribution over a 2-dimensional region.  ...  The proposed scheme applies multi-level quantization to the sensor signal values to artificially create an edge and then applies spatial filtering for edge detection.  ...  a multi-level quantizer as depicted in Figure 3 .  ... 
doi:10.1109/icccn.2007.4317813 dblp:conf/icccn/AlastiAN07 fatcat:nlddrfk5pfefxmlfww33y7rvz4

A real-time scalable software video codec for collaborative applications over packet networks

J. Hartung, A. Jacquin, J. Pawlyk, K. L. Shipley
1998 Proceedings of the sixth ACM international conference on Multimedia - MULTIMEDIA '98  
for r~-tirne audio and video communication over packet network.  ...  FirsL they natur~y allow for heterogeneity in networks and receivers in terms of chent processing capabfity and network bandwidth.  ...  When a packet is ready for transmission, the encoder chinks the entries in the linked list for the appropriate encoding layer. me network information in each entry is usd to trmsrnit the packet over a  ... 
doi:10.1145/290747.290814 dblp:conf/mm/HartungJPS98 fatcat:pf2iqqlsmbgyxkfvktscex56xu

Multiple Description Coding Based on Convolutional Auto-encoder

Hongfei Li, Lili Meng, Jia Zhang, Yanyan Tan, Yuwei Ren, Huaxiang Zhang
2019 IEEE Access  
Then, the extracted features are encoded by the multiple description coding and split into two descriptions for transmission to the decoder.  ...  Deep learning, such as convolutional neural networks, has been achieved great success in image processing, computer vision task, and image compression, and has achieved better performance.  ...  In [20] , the problem of lattice vector quantizer design is solved for the two-channel multiple description, and the label problem is solved.In [21] , a multi-description image coding scheme based on  ... 
doi:10.1109/access.2019.2900498 fatcat:5c6wlwecerfoxfoccpxvnbgbyq

Multi-view Wireless Video Streaming Based on Compressed Sensing

Nan Cen, Zhangyu Guan, Tommaso Melodia
2015 Proceedings of the 16th ACM International Symposium on Mobile Ad Hoc Networking and Computing - MobiHoc '15  
We then introduce a modeling framework to design network optimization problems in a multihop wireless sensor network.  ...  It also uses estimates of image sparsity to perform efficient rate adaptation and effectively exploit inter-view correlation at the encoder side.  ...  Then, we studied a modeling framework to design network optimization algorithms, where packet loss rate for a multi-hop multi-path sensor network and the conversion from packet loss rate to the measurement  ... 
doi:10.1145/2746285.2746309 dblp:conf/mobihoc/CenGM15 fatcat:w2jr2togxrd3bdrlyex4zkrj5q

Special issue on architectures and algorithms of high-efficiency video coding (HEVC) standard for real‐time video applications

Byung‐Gyu Kim, Kostas Psannis, Dong‐San Jun
2016 Journal of Real-Time Image Processing  
The data rate for UHD is up to 4-16 times more than for HD video. This order of increasing data rate generates additional burden for all types of networks and services.  ...  Market and user demands for advanced video services with high-quality standards are steadily increasing.  ...  based on the measured round-trip time (RTT), in the paper entitled ''An Efficient Delay-constrained ARQ Scheme for MMT Packet Based Real-time Video Streaming over IP Networks.''  ... 
doi:10.1007/s11554-016-0595-x fatcat:dwsuy3epfbcp5ibemq3dbgp4fe

Recent progress in networked control systems — A survey

Yuan-Qing Xia, Yu-Long Gao, Li-Ping Yan, Meng-Yin Fu
2015 International Journal of Automation and Computing  
Zhang et al. [3] surveyed the main methodologies which can cope with those typical network-induced constraints, namely time delays, packet losses and disorder, time-varying transmission intervals,  ...  In this paper, the results of different aspects of NCSs, such as quantization, estimation, fault detection and networked predictive control, are summarized.  ...  [93] presented a multi-rate filtering problem for a class of networked multi-sensor fusion systems with packet dropouts.  ... 
doi:10.1007/s11633-015-0894-x fatcat:na46nx3um5dutneuru5kvwedka

LEACH–V: A Solution for Intra-Cluster Cooperative Communication in Wireless Sensor Network

Tapaswini Samant, Proshikshya Mukherjee, Amrit Mukherjee, Tanmaya Swain, Amlan Datta
2016 Indian Journal of Science and Technology  
The proposed technique illustrates the LEACH-Vector Quantization (LEACH-V) protocol for intra-cluster communication in a cooperative communication network.  ...  Further Vector Quantization (VQ) is used for analysis of low energy path for the nodes and clusters respectively.  ...  VQ Overview Vector Quantization is the powerful quantization technique which is used for image compression.  ... 
doi:10.17485/ijst/2016/v9i48/100619 fatcat:2r3gynsa2rb4tcg4sdtpbwfwam

A multi-segment image coding and transmission scheme

G. Pavlidis, A. Tsompanopoulos, N. Papamarkos, C. Chamzas
2005 Signal Processing  
In this paper, we present a multi-segment image coding scheme suitable for lossless progressive transmission over noisy or congested networks.  ...  At the same time, loss of information in case of error occurrence during transmission results in less obvious quality degradation as the lost blocks are scattered in the final image.  ...  Transmission over congested networks The emerging need for multimedia transmission over high-speed communication systems, on which several restrictions and transmission policies apply, guide the research  ... 
doi:10.1016/j.sigpro.2005.04.006 fatcat:c2x3yhvvnzh5tmfbaqryia4i6i

In-Network Adaptation of Video Streams Using Network Processors

Mohammad Shorfuzzaman, Rasit Eskicioglu, Peter Graham
2009 Advances in Multimedia  
of in-network transcoding for other video formats and network processor architectures.  ...  The increasing variety of networks and end systems, especially wireless devices, pose new challenges in communication support for, particularly, multicast-based collaborative applications.  ...  Fortunately, the "cost" of designing the adaptation node is incurred only once and may be amortized over the number of network processors it runs on.  ... 
doi:10.1155/2009/905890 fatcat:la65g5ajpjerlgi3roxxvakrse

A Survey of Image Compression Algorithms for Visual Sensor Networks

Abdelhamid Mammeri, Brahim Hadjou, Ahmed Khoumsi
2012 ISRN Sensor Networks  
In this paper, we provide a survey of image compression algorithms for visual sensor networks, ranging from the conventional standards such as JPEG and JPEG2000 to a new compression method, for example  ...  Moreover, factors influencing the design of compression algorithms in the context of VSN are presented. We conclude by some guidelines which concern the design of a compression method for VSN.  ...  An image sensor network platform was developed in [17] to show the feasibility of transmitting the compressed images over multi-hop sensor networks supporting ZigBee technology.  ... 
doi:10.5402/2012/760320 fatcat:ksg76nsh4vc5fdvfwxujzhh5ra

Robust low-delay audio coding using multiple descriptions

G. Schuller, J. Kovacevic, F. Masson, V.K. Goyal
2005 IEEE Transactions on Speech and Audio Processing  
This paper proposes an encoding method for high-quality, low-delay audio communication that is robust to losses in packetized transmission.  ...  Robustness is provided by a multiple description vector quantization (MDVQ) technique that is designed to minimize the mean-squared error (MSE).  ...  for and , we assumed a very noisy transmission channel, like in wireless communications, a 20% packet loss for the design of the perturbed lattice.  ... 
doi:10.1109/tsa.2005.853205 fatcat:w6lkgr2mlnha5ns2t44jus2axe

Multiple description transform coded transmission over OFDM broadcast channels

Ashwani Sharma, Swades De, Hari M. Gupta, Ranjan Gangopadhyay
2014 Physical Communication  
Combinedly, MDC at the source along with OFDM at the physical layer is an interesting alternative image/video coding technique to combat bursty packet losses over wireless channels, and it is especially  ...  We consider image transmission using multiple description transform coding (MDTC) over orthogonal frequency division multiplexed (OFDM) wireless broadcast channels, where the system may not have any feedback  ...  The authors are thankful to the anonymous reviewers for the insightful comments and valuable suggestions, which have significantly improved the quality of presentation.  ... 
doi:10.1016/j.phycom.2014.05.001 fatcat:oqewakvwbrdevlrgcx7bbzomgy

Data compression techniques in Wireless Sensor Networks

Tarek Sheltami, Muhammad Musaddiq, Elhadi Shakshuki
2016 Future generations computer systems  
Sent Packets -Received Packets 1 Sent Packets Throughput  (5.3) End-to-End Delay (ETE) End-to-End delay (ETE) delay is a time taken by a packet from source to destination over the network.  ...  Data Management When large amount of data is sent over the network, the energy cost of such transmission is very high.  ... 
doi:10.1016/j.future.2016.01.015 fatcat:oz2okimjorbcbeizxavir63qam
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