downloading for streaming movies 462
Replication Strategies for Streaming Media
Ngày tải lên :
22/10/2013, 10:15
... or less for granted Forums and special interest groups abound, and the term “social networking” has become a popular buzzword These forums are typically formed as virtual meeting points for people ... applications [18], and proposals for adapting it to provide streaming services have been put forth While the original BitTorrent distribution model was designed for distributing large files in an ... both joins and leaves should be performed expediently, i e., nodes should not have to wait for too long before joining or leaving a group Another important issue for RP-based protocols is the selection...
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Báo cáo hóa học: " Efficient bitstream switching for streaming of H.264/AVC coded video" doc
Ngày tải lên :
20/06/2014, 22:20
... Switching at frame no Switching at frame no 144 for Periodic 142 for Proposed algorithm 180 for Periodic 179 for Proposed algorithm 216 for Periodic 222 for Proposed algorithm Band width Utilization ... bitstream at QP 30 to bitstream at QP 25 152 for Periodic 160 for Proposed algorithm 228 for Periodic 230 for Proposed algorithm 247 for Periodic 246 for Proposed algorithm Band width Utilization ... Function of reservation (FOR) and function of transmission (FOT) For a resource reservation-based transmission scheme, two functional curves, the FOR and the FOT, are commonly used FOR specifies a time...
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Báo cáo hóa học: " Research Article Cooperative Coding and Caching for Streaming Data in Multihop Wireless Networks" ppt
Ngày tải lên :
21/06/2014, 17:20
... Networking 3.4 Maintaining Uniform Distribution of Cardinality We have shown the performance of C under a uniform cardinality distribution It remains to show how a uniform distribution can be achieved ... when N increases for both C and Non-NC, but the improvement C is more substantial For example, if 100 data segments are to be retrieved, the success ratio is about 80% for C ; for Non-NC, after ... provided general design guidelines for C and presented a theoretical analysis of its performance We then addressed a series of practical issues for applying C in the streaming applications under multihop...
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Báo cáo hóa học: " On Cross-Layer Design for Streaming Video Delivery in Multiuser Wireless Environments" pptx
Ngày tải lên :
22/06/2014, 22:20
... the worst performing user for scenario 3, BPSK/QPSK modulation and source rate of 100 kbps/200 kbps; (b) performance improvement for the three scenarios in forward mode; (c) performance improvement ... use for other layers For instance, a fading correlation matrix which is meaningful at the PHY layer may well have no meaning at any of the higher layers Its influence on system performance therefore ... user Therefore, the larger the PSNR is, the better the performance is As an example, we use the objective function given in (15), which maximizes the worst-case user’s performance Therefore, the...
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Báo cáo hóa học: " Research Article The Chameleon Architecture for Streaming DSP Applications" pdf
Ngày tải lên :
22/06/2014, 22:20
... purpose architectures and some perform optimal on word-level reconfigurable platforms (e.g., FIR filters or FFT algorithms) For the design of processing architectures for streaming DSP applications, ... demand for streaming communication and computation for wireless protocol processing and multimedia applications, but the energy content of batteries is only increasing 10% per year Also for high-performance ... high-performance computing, there is a need for energy-efficient architectures to reduce the cost for cooling and packaging In addition to that, there are also environmental concerns that urge for...
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Báo cáo hóa học: " Effective Quality-of-Service Renegotiating Schemes for Streaming Video" ppt
Ngày tải lên :
23/06/2014, 01:20
... are required for the media delivery as its traffic becomes more burst although the long-term average bandwidth is the same Thus, we need more flexible QoS renegotiating approaches for streaming videos ... resource reservation, rate shaping, and so forth For example, leaky bucket model [14], double leaky bucket model [15], token bucket model [16, 17], and so forth As mentioned earlier, the token bucket ... 35784, 36636, 37488, 38340 Effective Quality-of-Service Renegotiating Schemes for Streaming Video 287 Table 10: Performance comparison between the proposed algorithm and bandwidth renegotiating...
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Topic for Speaking - Movies
Ngày tải lên :
16/02/2015, 20:00
... makes the best movies? • Who are your favourite movie stars (and why)? • What’s the worst movie you’ve ever seen? Student B’s Questions • Are movies good for us? • Do you think movies make people ... the movie industry? • Why are movies called movies? • Which movie would you like to live in? • What’s the best movie you’ve ever seen? • Do you prefer watching movies at the cinema or on TV? ... prefer to watch a good movie, a good documentary or a good game of sport? • Who you like watching movies with best? ...
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Adapting plan based re optimization of multiway join queries for streaming data
Ngày tải lên :
26/09/2015, 10:59
... Performance Study 79 6.1 Experimental Setup 80 6.2 Overall Performance 83 6.2.1 Performance on Uni-Set 83 6.2.2 Performance ... breakdown for 5-stream joins on pUni-Set 88 6.8 Runtime breakdown for 6-stream joins on pUni-Set 88 6.9 Runtime breakdown for 6-stream joins on Zipf-Set 90 6.10 Performance ... re-optimization performs well However, these techniques are proposed to deal with stored and static data instead of streaming and timevarying data They are, unfortunately, not applicable in streaming...
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DO YOU FACE THESE CULTURE CHALLENGES IN YOUR COMPANY OR TEAM?by Richard Parkes Cordock SMASHWORDS EDITIONCopyright © Richard Parkes Cordock 2012 First Published 2012 by ELW Publishing Bath, UKThank you for downloading this free ebook. You are welcome potx
Ngày tải lên :
08/03/2014, 15:20
... and 'middle women' These are people who neither over perform, nor under-perform and provide a tremendous opportunity to improve the performance and profitability of your company There is a clear ... you can quickly turn middlemen and women into high performing employees who help drive the profitability and performance of your company forward Example 4: Telco Inc is a large telecommunications ... space, Telco Inc cannot afford to let this happen Solution: Since George has his entire team in one building, it is easy for him to use Enterprise LEADER as a catalyst for change and a vehicle...
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The Harvard Classics Volume 38, by Various Copyright laws are changing all over the world. Be sure to check the copyright laws for your country before downloading or redistributing this pdf
Ngày tải lên :
22/03/2014, 23:20
... Copyright laws are changing all over the world Be sure to check the copyright laws for your country before downloading or redistributing this or any other Project Gutenberg eBook This header ... I asked first before I applied it, what the other surgeons did for the first dressing; which was to put the said oil, boiling well, into the wounds, with tents and setons; wherefore I took courage ... one of his companions send for a priest to dispose the affairs of his soul; he got one for him, who stayed with him to his last breath The next day, the patient sent for me by his girl, dressed...
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Consistent Streaming Through Time: A Vision for Event Stream Processing docx
Ngày tải lên :
23/03/2014, 13:20
... introduced the notion of a canonical form R* for a bitemporal relation R previously We now define a shredded canonical form as follows: Take R* as input For each tuple e in R* with validity interval ... constraints to form composite event instances, or instances for short 2) Instance selection and consumption, expressed by a policy referred to as an SC mode; 3) finally, instance transformation, ... clause for equality Equality comparisons on a common attribute across multiple contributors are typical in monitoring applications For ease of exposition, we refer to the common attribute used for...
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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
... 1/1 1/1 1/4 1/16 Table 2: Average bandwidth 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 ... about packet forwarding decisions The wavelet domain supports the spatial and resolution scalability of our system, in a similar way as for JPEG 2000 A succession of Discrete Wavelet Transforms (DWTs) ... our system considers multiple protection/redundancy levels for each parity packet Formally, it computes several sequences of parity bits for each subset of bit-plane defining a precinct layer, each...
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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
... 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 ... but for high bit rates the difference is dB for pe = 0.10 and nearly dB for pe = 0.20 The results of the no-protection case clearly point out the need for FEC utilization in stereoscopic video streaming ... layered stereoscopic or multiview streaming system for error resiliency Future research can evaluate the performance of the proposed system for multiview video streaming, where achieving superior...
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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
... larger for λ1 than for λ2 , as expected In the second set of experiments, the overall performance is characterized as the E-D and Energy-Rate (E-R) curves in Figures 6(a) and 6(b), respectively, for ... communications The E-D performance for the maximum distortion metric is also summarized in Figure for the optimal DP and greedy algorithms Notice that the greedy solution performs closer to the optimal ... as a lookup table for a given channel model in simulations A closed form solution may also be possible, under some optimal coding and packet scheduling assumptions More details for a 2-state FSMC...
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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
... RTCP SR and RR packets every 100 milliseconds for instantaneous RTT measurements, and (iii) the first packet of every video frame for measuring T2 Fortunately, packet interception can be done in ... receiver based on the RTP timestamps and the round trip time (RTT) measured by RTCP For the purpose of validation, we perform an experiment by implementing the I-EPD scheme on Linux-based embedded systems ... the proposed I-EPD, if abnormal jitter is detected at a receiver, any IN on the video streaming path will be informed to drop stale video packets and frames which may greatly reduce collision in...
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Báo cáo hóa học: " Research Article A Fuzzy Color-Based Approach for Understanding Animated Movies Content in the Indexing Task" doc
Ngày tải lên :
22/06/2014, 00:20
... database The high diversity of the available movies makes it difficult to a priori determine the right value for N Therefore, several experiments were performed for different values of N 12 EURASIP Journal ... The movies have been successfully retrieved according to their predominant hues and the used color techniques, that is, colorful movies (pastel, joyful movies) , dark cold color movies (sad movies) , ... [34] Thus, using fuzzy information, instead of statistical data (i.e., low-level parameters) for content-based semantic indexing improves the information retrieval performance as presented in...
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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
... among all the users and formulate this problem as a min-max problem For N users inside the network, the optimization problem is formulated as a min-max problem to find for each ∗ of the users ... 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 energy The ... among users ∗ ∗ ∗ Proof For configuration set Ku , for all u, Eu ≤ max Eu If there exists a configuration set K u , which results for all ∗ ∗ u in max Eu < max Eu , then for all u, K u < max Eu...
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Báo cáo hóa học: " Research Article A Complexity-Aware Video Adaptation Mechanism for Live Streaming Systems" pot
Ngày tải lên :
22/06/2014, 20:20
... constraint of live streaming This is particularly important for resource-constrained communications In this paper, we propose the design of a complexityaware live streaming system for multiple channels ... Ttarget ) Actual encoding time for the current frame Target encoding time for each frame Available encoding time for the subsequent frames Average encoding time for the encoded frames Number of ... [MTotal NNZMB ]T for the ith channel Estimated distortion for the ith channel Average encoding time for the ith channel The current operation point on the complexitydistortion curve for the ith channel...
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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
... an optimized decision making strategy for the se- lection of frames and versions in a wireless streaming scenario Experimental results for H.264/AVC video streaming over EGPRS links will demonstrate ... compression efficiency (for an analysis of bit stream switching for streaming, see [12]) The switching predictive (SP) picture concept in H.264/ AVC [13], however, is more adequate for this purpose: ... 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 E Q(C) 3.5 Received and expected quality...
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