stereoscopic video streaming over p2p network

... have been conducted using a network simulator provided by the 3GPP video ad hoc group [12] This software is an offline simulator for an RTP streaming session over 3GPP networks (GPRS, EDGE, and UMTS) ... CONCLUSION This study proposes a complete framework for scalable and media aware adaptive video streaming over wireless networks At the source coding, we developed an efficient coding method to detect ROIs ... allocation strategy, which aims at maximizing the overall network throughput or the sum of the data rates that are delivered to all users in the network, 240 220 200 180 160 140 120 100 80 60 PSNR...

Ngày tải lên: 22/06/2014, 01:20

... FGRS for Video Streaming over Wireless Networks 177 Enhancement layer bitstream Video Scalable encoder FEC encoder Base layer bitstream FEC encoder Precoded video bitstream Figure ... that does not satisfy ri ≥ ki as shown in Algorithm FGRS for Video Streaming over Wireless Networks 185 (a) (b) (c) Figure 17: Test video sequences in CIF: (a) Akiyo, (b) Foreman, and (c) Stefan ... preferred over the hill-climbingbased approach In addition, as mentioned in Section 3.2, Step can be skipped without too much performance degradation FGRS for Video Streaming over Wireless Networks...

Ngày tải lên: 23/06/2014, 01:20

... of P2P file sharing and an advertising service, such as ZapShares [14], MediaDefender [15], P2Pads [16], or P2Pwords [17] A P2P web search engine [18] (e.g., Mininova [19]) is defined as a P2P ... manage the sharing of resources, according to content and network characteristics via video- distortion estimation in P2P VoD networks P2P systems are commonly classified into three classes: unstructured, ... peers in the overlap network (2) The network characteristics of individual peers are integrated with the platform to maximize visual quality in the P2P VoD through the replication of video chunks...

Ngày tải lên: 20/06/2014, 22:20

... (I-EPD) for realtime video streaming over a wireless ad hoc network An IN on the path from a video server to its receiver can intelligently determine whether a buffered real-time video packet should ... discards (I-EPD) scheme for jitter-tolerant video streaming over a multi-hop wireless ad hoc network A video packet temporarily buffered at IN on a wireless ad hoc network may exceed its end-to-end jitter ... for video receiver (PVFDR ): PVFDIN = Video frames discarded at IN B , Total number of video frames transmitted (10) PVFDR = Received but useless video frames at receiver Total number of video...

Ngày tải lên: 21/06/2014, 23:20

... regulated its power allocation for each video clip over the course of the streaming session Over changing channel conditions, Table 4, the results for video quality are broadly similar, except ... Zakhor, “Packet classification schemes for streaming MPEG video over delay and loss differentiated networks,” in Proceedings of the 11th International Packet Video Workshop (PV ’01), Kyongju, Korea, ... as a commercial sensor network IEEE 802.15.4 (Zigbee) Transmission of higher quality video over a Bluetooth interconnect has been PSNR (dB) 4.3 Detailed comparison of video quality FLC 30.19...

Ngày tải lên: 21/06/2014, 22:20

... monoscopic video streaming, only few studies exist for stereoscopic video streaming [20] In [20], stereoscopic video is layered using data partitioning, but an FEC method specific to stereoscopic video ... FEC utilization in stereoscopic video streaming We investigated all aspects of an end-to-end stereoscopic streaming system Initially, we defined the layers of the stereoscopic video which have interdependencies ... filling the gap in the literature on optimal error resilient streaming of stereoscopic video An overview of our proposed stereoscopic streaming system is presented in Figure Initially, the scene...

Ngày tải lên: 21/06/2014, 22:20

... terminals (MTs) downloading video streams from the access point (AP) of a WLAN (see Figure 1) The video data are encoded using a scalable video coding scheme and stored on a video server accessed through ... MPEG-4 video standard,” IEEE Transactions on Circuits and Systems for Video Technology, vol 11, no 3, pp 301–317, 2001 [5] Q Li and M van der Schaar, “Providing adaptive QoS to layered video over ... specifications, 1999 M van der Schaar, Y Andreopoulos, and Z Hu, “Optimized scalable video streaming over IEEE 802.11a/e HCCA wireless networks under delay constraints,” IEEE Transactions on Mobile Computing,...

Ngày tải lên: 22/06/2014, 19:20

... reconstructed video quality after losses during network transport Osama A Lotfallah et al Network simulator Loss pattern Original video sequence Video Conventional encoding video trace Advanced video ... framework for advanced video traces has been proposed, which enables the evaluation of video transmission over lossy packet networks, without requiring the actual videos The advanced video traces include—aside ... [15], multiple video coding and networking factors were introduced to simplify the determination of this nonlinear relationship from a network and user perspective OVERVIEW OF ADVANCED VIDEO TRACES...

Ngày tải lên: 22/06/2014, 23:20

... for video streaming Wang et al [15] proposed a cost-distortion optimization framework Chang et al also proposed sender-based [16] and receiver-based [17] RDO frameworks for 3D wavelet video streaming, ... either single-layer video coding model or coarsegranularity layered scalable video coding mode In this paper, a content-adaptive packetization scheme for wavelet-based streaming video is proposed ... degrees of Reed-Solomon (RS) codes on interleaved video subband data so that the streaming video is very robust over IP networks In addition, the paper proposes to map the distortion caused by packet...

Ngày tải lên: 22/06/2014, 22:20

... MSS Internet Video Server MSS BS QPSK 16QAM 64QAM Figure The video multicast network environment over IEEE 802.16e networks Tsai et al EURASIP Journal on Wireless Communications and Networking ... consider a video multicast network environment over an IEEE 802.16e network as shown in Figure The MSSs can access the Internet through the BS The ranging process occurs when an MSS joins the network ... subscribes a scalable video, in which the video rate is 320 kbps (i.e., 1.6 kb per frame) The video rate is a measure of the rate of information content in a video stream The video is divided equally...

Ngày tải lên: 21/06/2014, 02:20

... (3D-SPIHT) video coding [16], the proposed cooperative video transmission protocol has a significant PSNR gain over the traditional direct video transmission Especially by employing the cooperative video ... proposed cooperative video transmission, we study the video communications over the full-fledged cooperative network, and we focus on how to use relay nodes to improve the overall system performance, ... the quality of the received video with error concealment (2) The relay can transcode the received video to a coarse-quality video and then encode the coarsequality video using a systematic Reed-Solomon...

Ngày tải lên: 21/06/2014, 20:20

... transmitted over a wireless network using the VQM objective metric (ii) We examine how network parameters such as congestion, signal power level, and transmission bit rate affect streaming media and video ... existing video traces to form advanced video traces, then they developed quality predictors that, based on advanced video traces, predict the quality of the reconstructed video after lossy network ... for scalable video coding and multidimensional bit rate in mobile wireless video application P Pace and E Viterbo Table 1: Video ITU recommendations Subjective Objective Video P.910 video quality...

Ngày tải lên: 21/06/2014, 22:20

... Bluetooth streaming has been shown by us to achieve a significant improvement in delivered video quality over the best fixed bit rate scheme according to crosstraffic conditions In terms of delivered video ... Krishnamachari, M van der Schaar, S Choi, and X Xu, Video streaming over wireless LANs: a cross-layer approach,” in Proceedings of the 13th International Packet video Workshop, Nantes, France, April 2003 ... compressed video, ” in Proceedings of the Conference on Data Compression (DCC ’03), pp 73–82, Snowbird, Utah, USA, March 2003 [23] Y Shan, “Cross layer techniques for adaptive video streaming over wireless...

Ngày tải lên: 22/06/2014, 06:20

... in image and video coding, he joined the Video Networking Group at the University of Essex in 2003 as a Senior Research Officer where he published more than 20 papers in the field of video communications ... error protection for robust internet video, ” IEEE Transactions on Circuits and Systems for Video Technology, vol 11, no 3, pp 357–372, 2001 [5] ITU-T, “Advanced video coding for generic audiovisual ... include network topologies, cellular radio network design, and adaptive modulation and coding for efficient digital transmission M Ghanbari is a Professor of Video Networking in the Department of Electronic...

Ngày tải lên: 22/06/2014, 23:20

... video transmission over packet networks, computer communication networks with a focus on measurement-based network traffic modeling and network management, and resource management of wireless networks ... transmission over wireless IP networks,” under revision for IEEE Trans Multimedia, 2005 [6] E Setton, X Zhu, and B Girod, “Congestion-optimized multi-path streaming of video over ad-hoc wireless networks,” ... losses occurring on wireless links Cross-Layer QoS Control for Video over Ad Hoc Networks RTP-H.264 packet video delivery over ad hoc networks Finally, Section provides a summary and conclusions...

Ngày tải lên: 23/06/2014, 00:20

... solutions for P2P live video streaming 2.1 An Overview of multicast In live video streaming applications, a source sends the same video stream to end hosts For example, the same video stream is ... multicast for live video streaming on P2P networks The main goal of our work is to optimize content delivery on P2P networks to guarantee the time constraints of live video streaming We achieve ... costly Peer-to-Peer (P2P) approach has recently emerged as a new solution for video streaming The key idea of P2P video streaming is to encourage peers to contribute to the network by acting as...

Ngày tải lên: 25/03/2015, 09:37

... 1.1.3 H.264/AVC Video Transmission over Wireless Mobile Networks Similar to data services, the transmission of multimedia contents such as image, audio, and video over wireless mobile networks relies ... Challenge for Real-time Video Transmission The main challenge to the real-time video communications over wireless mobile networks is how to reliably transmit video data over time-varying and highly ... 1.1 Video Applications in Wireless Environment 1.1.1 Wireless Video Applications 1.1.2 H.264/AVC Video Coding Standard 1.1.3 H.264/AVC Video Transmission over Wireless...

Ngày tải lên: 26/09/2015, 11:07

... offering more services on existing networks • Increase revenues by extending valued TDM services to areas covered only by packet networks, without having to deploy overlay networks or rely on alternative ... Across a Multi-vendor Network The LoopStar 700 maps circuits to standard IP packets that are carried over standard Ethernet frames, with or without VLAN (Virtual Local Area Network) tags As a result, ... of current network performance When the buffer is set high, packets that arrive with minimal latency and delay variation sit for a long time in the buffer, adding unnecessarily to overall latency...

Ngày tải lên: 18/10/2013, 19:15

... Professional Services offers comprehensive solutions for network operators delivering voice, video and data services over wireless, wireline and cable networks Learn more at www.adc.com/professionalservices ... require an in-depth, hands-on understanding of simple to complex network environments PLANNING SERVICES • Program and Project Management • Network and Inventory Audit • Engineering DEPLOYMENT SERVICES ... turn-up • Provisioning of options to meet the requirements of the network • Commissioning and integration • End-to-end testing for network functionality • Preparation for remote monitoring • Procurement...

Ngày tải lên: 27/10/2013, 00:15