our method for p2p live video streaming

A Push-pull based Application Multicast Layer for P2P live video streaming

Ngày tải lên : 25/03/2015, 09:37

... Network Application 2.2 Application layer multicast methods for P2P live video streaming9 2.2 Application layer multicast methods for P2P live video streaming Although less eﬃcient than IP Multicast, ... review of previous and current work in live video streaming Chapter describes the proposed push-pull based method for P2P live video streaming and explain how our method satisﬁes the problem that mentioned ... deployment In this section we discuss current method ALM for P2P live video streaming Many application-layer multicast protocols for P2P live video streaming have been proposed recently Based on...

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DSpace at VNU: A Push-pull based Application Multicast Layer for P2P live video streaming

Ngày tải lên : 18/12/2017, 00:28

... multicast methods for P2P live video 2.2.1 Tree-based approach 2.2.1.1 Single-tree 2.2.1.2 Multiple-tree 2.2.2 Mesh-based approach Our 3.1 ... Our 3.1 3.2 3.3 3.4 3.5 method for P2P live Overview Overlay construction Data distribution Fair policy Node failure video Experiments ... mechanisms in p2p media streaming systems, IEEE Internet Computing 14 (2010), 74–81 [THD04] D A Tran, K A Hua, and T T Do, A peer-to-peer architecture for media streaming, IEEE Journal on Selected...

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Báo cáo hóa học: "Research Article Intelligent Stale-Frame Discards for Real-Time Video Streaming over Wireless Ad Hoc Networks" ppt

Ngày tải lên : 21/06/2014, 23:20

... one 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 ... discard (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 ... transmitted (7) (2) Percentage of video packets dropped (PVPD) at IN As deﬁned in (8), PVPD represents the percentage of video packet dropped at IN B for a video stream PVPD is an indicator of...

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Báo cáo hóa học: " Research Article Energy-Efﬁcient Bandwidth Allocation for Multiuser Scalable Video Streaming over WLAN" potx

Ngày tải lên : 22/06/2014, 19:20

... 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 the AP Therefore, ... diversity for energy eﬃciency From the former analysis, and under the assumption that all video users can require their own end-to-end quality, the optimization problem is formulated with video quality ... pruning, n Pareto cost-resource sets are available for each user The run-time algorithms for both problem formulations are discussed in the next sections 4.2.3 Proposed algorithm for minimizing total...

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Báo cáo hóa học: " Research Article The Extended-OPQ Method for User-Centered Quality of Experience Evaluation: A Study for Mobile 3D Video Broadcasting over DVB-H" potx

Ngày tải lên : 21/06/2014, 05:20

... the selection of an optimum coding method for mobile 3D video systems They compared different coding methods and found out that Multiview Video Coding (MVC) and Video + Depth get the best results ... outperformed Simulcast coding method within mfer10 and mfer20 videos (all comparisons versus Sim: P < 001) (Figure 6) For mfer10, Video + Depth outperforms the other coding methods (Mann-Whitney: VD ... effect for mfer20 videos (Figure 7) (Z = −1.601, P = 109, ns) Videos with mfer10 and slice mode turned off were rated better for both MVC and VD coding method (all comparisons P < 05) Mfer20 videos...

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báo cáo hóa học:" Research Article Parity Bit Replenishment for JPEG 2000-Based Video Streaming" doc

Ngày tải lên : 21/06/2014, 20:20

... model of our source We then detail how this source model can be integrated in the sum-product algorithm 4.4.1 Source Model The source model aims at capturing the statistical behavior of a source, ... consumption for each access scenario and for distinct encoding schemes, with a PSNR of 35 dB For the J2K and the proposed JPR methods, a single ﬁne-grained codestream is generated and can address the four ... standards for the fourth scenario, by encoding high-resolution frames in INTRA (to allow for random temporal access) and based on a set of independent EURASIP Journal on Image and Video Processing...

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Báo cáo hóa học: " Research Article Rate-Distortion Optimization for Stereoscopic Video Streaming with Unequal Error Protection" ppt

Ngày tải lên : 21/06/2014, 22:20

... studied in depth for 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 ... (kbps)} for “Soccer” video Thus, we perform 24 optimizations per video using (21) In Tables and 4, the optimal encoder bit rates and protection rates for the proposed method are given for the ... 19: Results for pe = 0.05 for “Rena” video Figure 21: Results for pe = 0.20 for “Rena” video results demonstrate the superiority of the proposed scheme compared to nonoptimized schemes For low bit...

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Báo cáo hóa học: "Research Article Joint Video Summarization and Transmission Adaptation for Energy-Efﬁcient Wireless Video Streaming" pptx

Ngày tải lên : 21/06/2014, 22:20

... distortion case for energy-efficient streaming We also propose a heuristic solution, which is a greedy method that approximates well the performance of the optimal solutions EURASIP Journal on Advances ... an effective energy conserving scheme for wireless video communications The E-D performance for the maximum distortion metric is also summarized in Figure for the optimal DP and greedy algorithms ... K Katsaggelos, “Joint source coding and transmission power management for energy-efficient wireless video communications,” IEEE Transactions on Circuits and Systems for Video Technology, vol 12,...

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Báo cáo hóa học: " Research Article Dimensioning Method for Conversational Video Applications in Wireless Convergent Networks" docx

Ngày tải lên : 22/06/2014, 19:20

... physical layer, the video codec used, video frame size, and so forth, the results could differ significantly For 3.6 RTS-CTS versus CTS-to-self approach for conversational video capacity In the ... effects of handover in the conversational video performance, as well as video quality indicators applicable to video streaming and IPTV over WLAN 14 EURASIP Journal on Wireless Communications and ... view, the interleaving of audio and video has advantage of performing close to the case of video only The case of separate audio and video streams is very common for multiconference environments...

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Báo cáo hóa học: " A Method for Single-Stimulus Quality Assessment of Segmented Video" pdf

Ngày tải lên : 22/06/2014, 23:20

... no-reference assessment methods is rather under-represented in the literature In this work, we formulate a single-stimulus, intraframe assessment method suitable for the evaluation of the performance of ... need to produce semantic information, which may be reused: broadcasting and video production for database storage Examples of the second category are videotelephony and videoconference This paper ... strategies The parallel method in [31] is based on a graph-based region-growing method The hierarchical method in [32] is based on the watershed transform Diﬀerent segmentation methods can be evaluated...

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Báo cáo hóa học: " Optimized H.264/AVC-Based Bit Stream Switching for Mobile Video Streaming" docx

Ngày tải lên : 22/06/2014, 23:20

... if the source unit contained in Pn,v is displayed instead of the concealment source unit fc(n),v for this unit, as well as for all other source units for which fn is eventually used for concealment ... strategy for the selection of frames and versions in a wireless streaming scenario Experimental results for H.264/AVC video streaming over EGPRS links will demonstrate the applicability of our strategy ... Scholar at the Information Systems Laboratory, Stanford University, where he worked on deadline-aware scheduling for wireless video streaming He has published more than 25 conference and journal papers,...

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Báo cáo hóa học: " Fine-Grained Rate Shaping for Video Streaming over Wireless Networks" pot

Ngày tải lên : 23/06/2014, 01:20

... techniques that allocate the bits for the source and channel coders by varying the coding parameters, BRS performs bandwidth adaptation for the precoded video at the time of delivery BRS decision, as to ... shaping can optimize video streaming for each link We start by giving the system description of BRS then provide the algorithm for RD optimization 2.1 System description of video streaming with baseline ... refers to source coding using scalable video coding [11, 12, 13] and FEC coding Scalable video coding yields prioritized video bitstream The concept of rate shaping works for any prioritized video...

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CSP1HT based scalable video codec for layered video streaming

Ngày tải lên : 04/10/2015, 10:24

... multimedia information on the Internet, video streaming has become popular in both academia and industry Video streaming technology enables real time or on-demand distribution of video resources over ... is performed to reconstruct the video for the renderer to display Video streaming is advantageous because a user does not have to wait until the whole file to arrive before he can see the video ... and Video Coding Standards……………………………… ………… 25 CHAPTER VIDEO STREAMING AND NETWORK QoS……… …….…… 25 3.1 Video Streaming Models……………………………………………….….…….25 3.2 Characteristics and Challenges of Video...

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DESIGNING a HIGH PERFORMANCE CRYPTOSYSTEM FOR VIDEO STREAMING APPLICATION

Ngày tải lên : 12/06/2016, 08:07

... the efficient method to perform the modular multiplication There are two methods to compute the modular exponentiation: right-to-left (R-L) method, left-to-right (L-R) method The R-L method is faster ... (video in compressed H.264 format) And the video content is pushed into another FIFO When the video content is available in FIFO, the H.264 video decoder decodes the video content and writes it ... encryption/decryption for video content Figure illustrates our proposed cryptosystem DECRYPT CONTROLLER controls to read the encrypted secret key from FIFO to its registers And then RSA coprocessor performs...

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Region of interest tracking method for video plus depth coding

Ngày tải lên : 16/12/2017, 15:21

... objects in a video From the above reasons, in this paper, we propose a method for tracking ROI efficiently in order to encode video plus depth There are three main steps to analyze a video: detect ... interactive video coders Keywords: video plus depth, ROI, tracking, detection Introduction In video communication, visual attention has been proved that it affects the perceived content of video for ... quality for views at ROI regions To bring viewers the highest perceived quality of a video, it is necessary to detect and track ROI Video plus depth is a kind of video containing both color information...

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AN IMPROVED INTERPOLATION METHOD FOR CHANNEL ESTIMATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SYSTEM USING PILOT SIGNALS

Ngày tải lên : 26/05/2013, 21:28

... of Fast Fourier Transform (FFT) and Inverse Fast Fourier Transform (IFFT) combination blocks to implement OFDM systems; which are mathematically equivalent to Discrete Fourier Transform (DFT) ... technique for pilot estimation combined with wavelet denoising 5.8 MSE performance for channel estimation based different interpolation 114 technique using MMSE for pilot estimation 5.9 MSE performance ... the study and methodology were formed for this research, as follows: Review of previous literature pertaining to available techniques of channel estimation for the OFDM system for solving the...

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Modern method for guitar 1

Ngày tải lên : 16/08/2013, 08:28

... course, used and explained If further information is desired, some very excellent music dictionaries in soft cover editions can be obtained at a small cost.) I feel, however, that with this method, ... should like to mention at this point that all music presented for study on these pages is original and has been created especially for the guitar EACH composition has been designed to advance ... possible Fingering and counting indications have been kept at what I consider a sensible minimum #2 For the gradual development of dexterity in BOTH hands This is the physical part of learning to...

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Modern method for guitar 2

Ngày tải lên : 16/08/2013, 08:28

... SECTION MOST IMPORTANT FOR NOW IS THE PHYSICAL ABILITY TO PERFORM THEM AND EVENTUAL MEMORIZATION OF ALL FORMS, CHORD TYPES AND ROOT LOCATIONS NOTE THAT THESE ARE THE SAME FORMS AS THOSE SHOWN ... mysterious workings of music for guitar players in general As before, good luck and have fun William G Leavitt ALL SCALES (MAJ and MIN etc ) WILL BE DERIVED FROM THESE FOUR BASIC MAJOR SCALE FINGERING ... This book is a continuation of Volume I, Modern Method for Guitar Most of the terms and techniques are directly evolved from material presented there For example, the entire fingerboard is covered...

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Development of the Quantitative PCR Method for Candidatus ‘Accumulibacter phosphatis’ and Its Application to Activated Sludge

Ngày tải lên : 05/09/2013, 09:38

... sludge Nevertheless, quantitative PCR method for Candidatus ‘Accumulibacter phosphatis’ has not been developed yet In this study, quantitative PCR method for Candidatus ‘Accumulibacter phosphatis’ ... included a pre-incubation step of at 94 °C followed by 35 cycles of 94 °C for 15 sec, 57 °C for 20 sec, and 68 °C for 15 sec - 38 - Journal of Water and Environment Technology, Vol.5, No.1, 2007 Table ... activated sludge samples were fixed with 4% paraformaldehyde in phosphate-buffered saline, and were then held at °C for hours The fixed cells were sonicated for 60 sec with an ultrasonic processor (Vibracell,...

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a rapid method for estiminating of noise expouse workplace

Ngày tải lên : 05/09/2013, 13:23

... shift Half of a shift Less than a half shift More than 10 sources 5-9 sources Less than sources More than hours 4-7 hours Less than hours Isn't heard at all It should be shouted It is heard easily ... checklist for noise inspection can be used with a high reliance before of noise measuring without necessity to use the instrument in workplaces Therefore, this method is a proper rapid method for exploiting ... screening is a common method for early investigations for separation of study popular (8-12) The Propose of this study was to submit a simply scientifically screening method for inspection of noise...

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