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Error-resilient video coding performance analysis of motion JPEG2000 and MPEG-4
2004
Visual Communications and Image Processing 2004
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We compare it to the well-known MPEG-4 video coding scheme, in terms of coding efficiency, error resilience and complexity. ...
Indeed, the state-of-the-art wavelet coding scheme achieves very high coding efficiency. ...
SIMULATION SYSTEM In order to simulate the transmission of video sequences over a WCDMA wireless channel, we use the system depicted in Figure 6 . The input video sequence is first encoded. ...
doi:10.1117/12.526019
dblp:conf/vcip/DufauxE04
fatcat:rc23xzuknjbyhno4i7grhvmgwm
Error Tolerant Multimedia Stream Processing: There's Plenty of Room at the Top (of the System Stack)
2013
IEEE transactions on multimedia
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This is achieved by modifications to all layers of the system stack, from algorithms and software to the architecture and device layer, and even the IC digital logic synthesis itself. ...
There is a growing realization that the expected fault rates and energy dissipation stemming from increases in CMOS integration will lead to the abandonment of traditional system reliability in favor of ...
Unlike the previous section that focused on particular classes of multimedia stream processing algorithms, here we summarize research advances in system layers, from the software layer to the architecture ...
doi:10.1109/tmm.2012.2232649
fatcat:x6p5wvaxyvgopc435hqyoprhri
Energy-efficient motion estimation with approximate arithmetic
2017
2017 IEEE 19th International Workshop on Multimedia Signal Processing (MMSP)
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The conducted evaluations, performed using the High-Efficiency Video Coding standard (HEVC) reference software, showed that this technique introduces a negligible impact on the coding efficiency (between ...
These adders were applied to Sum of Absolute Differences units (SAD) in order to reduce the energy consumption while introducing a minimum impact on the coding efficiency. ...
ACKNOWLEDGMENT The authors would like to acknowledge Federal University of Pelotas (UFPel), in Brazil, and Institute for Systems Engineering and Computers (INESC), in Portugal, where this work was developed ...
doi:10.1109/mmsp.2017.8122248
dblp:conf/mmsp/PortoAZPRS17
fatcat:ifvj3wigwzfc7ke5iv7fd24pbm
Smart Airport Cybersecurity: Threat Mitigation and Cyber Resilience Controls
2018
Sensors
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Airports are at the forefront of technological innovation, mainly due to the fact that the number of air travel passengers is exponentially increasing every year. ...
Smart airports strive to provide optimal services in a reliable and sustainable manner, by working around the domains of growth, efficiency, safety and security. ...
While this attack can impact the availability and integrity of information and airport's resources, the impact on confidentiality has a lesser effect on the smooth operation of airport facilities. ...
doi:10.3390/s19010019
fatcat:5onwwrcuo5faradof4zc22s4ue
Video Metrics and Parameters for Achieving Optimal Quality in Low Delay Communication Networks
2017
VAWKUM Transactions on Computer Sciences
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In this paper, the impacts of frame size, frame rate and quantization parameter on the compressed video quality has been investigated. ...
More importantly, both low, medium and high complexity video samples have been examined to determine the impact of the aforemention parameters on fundamental basic parameters which are essential toward ...
This work was supported by the Deanship of Scientific Research (DSR), King Abdulaziz University, Saudi Arabia, under grant No. 830-64-D1437. ...
doi:10.21015/vtcs.v13i2.462
fatcat:gugkzrohnjanfoyyrgpggxtp5u
A Preliminary Design-Phase Security Methodology for Cyber–Physical Systems
2019
Systems
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This methodology is demonstrated using a case study based on a hypothetical weapon system. ...
Given the complex nature of cyber–physical systems, the identification and evaluation of appropriate defense and resiliency strategies must be handled in a targeted and systematic manner. ...
Based on the inputs of the three teams, the final recommendations of the CSRM with respect to the Silverfish system can be summarized as pursuing resilient design patterns for weapon control capabilities ...
doi:10.3390/systems7020021
fatcat:kv67gmdsvfchrdtrpxkwaav4ta
End User Video Quality Prediction and Coding Parameters Selection at the Encoder for Robust HEVC Video Transmission
2019
IEEE transactions on circuits and systems for video technology (Print)
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To this end, this paper proposes a probabilistic model which accurately predicts the overall distortion of the decoded video at the encoder followed by an accurate QP-λ relationship which can be used in ...
During the derivation process of the probabilistic model, the impacts from the motion vectors, the pixels in the reference frames and the clipping operations are accounted and consequently the model is ...
of the video sequence and are determined on the fly using a content learning approach [22] . ...
doi:10.1109/tcsvt.2018.2879956
fatcat:hs4h7va6lncaxndjbrrhvgnrke
MobiStream: Error-Resilient Video Streaming in Wireless WANs Using Virtual Channels
2006
Proceedings IEEE INFOCOM 2006. 25TH IEEE International Conference on Computer Communications
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We introduce MobiStream-a video streaming system that exploits the perceptual value in the video content and characteristics of the link layer and physical layer channels to enable efficient error-resilient ...
MobiStream augments a number of other enhancements for error-resilience: multiple description video cod- ing, perceptual slice-structured coding, low-delay inter-frame and intra-frame slice interleaving ...
The objective is to mitigate the impact of such burst losses on video streams. ...
doi:10.1109/infocom.2006.242
dblp:conf/infocom/ChakravortyBG06
fatcat:eenofkq5bbdzdpy3czsrtobtji
Error resilience and concealment performance for MPEG-4 frame-based video coding
1999
Signal processing. Image communication
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This paper addresses the general problem of error resilience and concealment in the context of content-based video coding schemes, such as the new MPEG-4 video coding standard. ...
In the second part, the performance of the MPEG-4 error resilient frame-based syntax, which addresses simple mobile communications, is studied with a meaningful set of test conditions and three di! ...
Finally, the authors acknowledge the members of the MPEG AHG on Error Resilience for the friendly and fruitful environment created during the time of the development of the MPEG-4 video standard. ...
doi:10.1016/s0923-5965(98)00060-5
fatcat:lfpmwjnhtnd45a7kzcqalhpkpq
PSNR and Jitter Analysis of Routing Protocols for Video Streaming in Sparse MANET Networks, using NS2 and the Evalvid Framework
[article]
2016
arXiv
pre-print
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It this paper, we aim to investigate the combined impact of network sparsity and network node density on the Peak Signal Noise to Ratio (PSNR) and jitter performance of proactive and reactive routing protocols ...
We also shed light onto the combined effect of mobility and sparsity on the performance of these protocols. ...
The first one occurred approximately at frame F=550, corresponding to the approximate video play time of T=21s. ...
arXiv:1604.03217v1
fatcat:y3xybe27svhwbn4r7g3d3gnp2u
Open-Source Telemedicine Platform for Wireless Medical Video Communication
2013
International Journal of Telemedicine and Applications
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An m-health system for real-time wireless communication of medical video based on open-source software is presented. ...
The performance of the proposed system is demonstrated using five atherosclerotic plaque ultrasound videos. ...
Acknowledgments This work was mainly supported by the Marie Curie Actions: Intra-European Fellowships (IEF), FP7-PEOPLE-2011-IEF call, and 301476, under the "Diagnostically Robust Ultrasound Video Transmission ...
doi:10.1155/2013/457491
pmid:23573082
pmcid:PMC3610370
fatcat:h4oig5xpf5golpdvwwrq5jkrry
Adaptive Error-Resilience Transcoding and Fairness Grouping for Video Multicast Over Wireless Networks
2007
2007 IEEE International Conference on Communications
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In this paper, we present a two-pass intra-refresh transcoder for on-the-fly enhancing error resilience of a compressed video in a three-tier streaming system. ...
For the scenario that a quality variation constraint is imposed on the users, we also propose a grouping method to partition a multicast group of heterogeneous users into a minimal number of sub-groups ...
Fig. 1 . 1 Proposed system framework of error-resilience video transcoder.
Fig. 2 . 2 Profit tracing of each refreshed macroblock.
SIZE MB represents the number of pixels in a macroblock. ...
doi:10.1109/icc.2007.278
dblp:conf/icc/ChenLC07
fatcat:cpzaxqsg4vgdjgi2dfz7f2zd5m
Diagnostically Resilient Encoding, Wireless Transmission, and Quality Assessment of Medical Video
2011
Zenodo
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Quality assessment is based on a new clinical rating system that provides for independent evaluations of the different parts of the video (subjective). ...
prone communication channels.Evaluation of the proposed scheme is performed on a representative collection of ten (10) ultrasound videos, nine of the carotid and one of the femoral arteries, for packet ...
In [74] , the experienced error rate is listed and the impact on video quality degradation is depicted. ...
doi:10.5281/zenodo.2592409
fatcat:bq5moo4ctjasjomrnnvw5wcqzu
Error and Congestion Resilient Video Streaming over Broadband Wireless
2015
Computers
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As a form of congestion resilience, this paper recommends packet-size dependent scheduling as a relatively simple way of alleviating the buffer-overflow problem arising from data-partitioned packets. ...
Because the data partitions of a video slice are each assigned to different network packets, in congestion-prone wireless networks the increased number of packets per slice and their size disparity may ...
In fact, the proposed packet-scheduling regime takes place within the context of a video streaming system that makes use of two measures to counteract the impact of errors: (1) source-coded error resilience ...
doi:10.3390/computers4020113
fatcat:wc4s4nzhvbh4dfvds6ikxxco2m
Full System Emulation of Approximate Memory Platforms with AppropinQuo
2019
Journal of Low Power Electronics
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By exploring the approximate memory design space and its effects on the output of a software application, it is possible to characterize the application behavior, as a step toward the determination of ...
The final scope is reproducing the effects of errors generated by approximate memory circuits, allowing to evaluate the impact (quality degradation) on the output produced by the software. ...
Impact on Output Using Approximate DRAM
Impact on Output Using Approximate SRAM
H.264 Video Encoder The ×264 encoder is a free software library and application for encoding video streams into H.264 ...
doi:10.1166/jolpe.2019.1595
fatcat:fyp2wumavzcbzf3ybrqi32bbbm
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