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Video quality evaluation in the cloud

Christian Keimel, Julian Habigt, Clemens Horch, Klaus Diepold
2012 2012 19th International Packet Video Workshop (PV)  
We therefore propose in this contribution a cloud-based extension of the QualityCrowd framework in order to perform subjective quality evaluation as a cloud application.  ...  Video quality evaluation with subjective testing is both time consuming and expensive.  ...  CONCLUSION We extended the QualityCrowd framework for web-based video quality evaluation with crowdsourcing into the cloud and introduced video quality evaluation as a cloud application.  ... 
doi:10.1109/pv.2012.6229729 dblp:conf/pv/KeimelHHD12 fatcat:2xowlmkeaneujp5elp6njo2lfm

A QoE Model in Point Cloud Video Streaming [article]

Jie Li
2022 arXiv   pre-print
Besides, position and color information contained in each pixel of point cloud video, and viewport distance effect caused by 6DoFs viewing procedure make the traditional objective quality evaluation metric  ...  Then an experimental system to simulate point cloud video streaming is setup and detailed subjective quality evaluation experiments are carried out.  ...  Training and evaluating: As shown in Fig. 9 , the subjects train and evaluate the point cloud videos during the experiment.  ... 
arXiv:2111.02985v4 fatcat:2fkw2c6rgne7banxfiridrphvi

Complexity-rate-distortion evaluation of video encoding for cloud media computing

Ming Yang, Jianfei Cai, Yonggang Wen, Chuan Heng Foh
2011 2011 17th IEEE International Conference on Networks  
Cloud computing provides a promising solution to cope with the increased complexity in new video compression standards and the increased data volume in video source.  ...  To facilitate cloud computing for real-time video encoding, in this paper we evaluate the amount of computing resource needed for H.264 and H.264 SVC encoding.  ...  Considering that we are also evaluating the C-R-D performance of H.264 SVC, we adopt the newly developed quality metric in [9] for quality measurement.  ... 
doi:10.1109/icon.2011.6168501 dblp:conf/icon/YangCWF11 fatcat:ncljujzcnrh5davvxuaqlmhpa4

Measurement of Objective Video Quality in Social Cloud Based on Reference Metric

Sajida Karim, Hui He, A. R. Junejo, Mariyam Sattar
2020 Wireless Communications and Mobile Computing  
During the research work, we conduct experiments on different social clouds (SCs) and low-quality videos. Selected videos are uploaded to SC to assess differences in video service and quality.  ...  This paper explores the objective of the present video quality analysis (VQA) and measures the full reference metrics keeping in view the quality degradation.  ...  work evaluated the quality of video conferencing coding.  ... 
doi:10.1155/2020/5028132 fatcat:5fwqxvdpvjcfzcnnzauqe3lnae

Objective and Subjective QoE Evaluation for Adaptive Point Cloud Streaming

Jeroen van der Hooft, Maria Torres Vega, Christian Timmerer, Ali C. Begen, Filip De Turck, Raimund Schatz
2020 2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX)  
In this paper, we present the results of an extensive objective and subjective quality of experience (QoE) evaluation of volumetric 6DoF streaming.  ...  It remains, however, unclear how the effects of such techniques on the user perceived quality can be accurately evaluated.  ...  ACKNOWLEDGMENTS This research is part of a collaborative project between Huawei and Ghent University, funded by Huawei Technologies, China, and has been supported in part by the Christian Doppler Laboratory  ... 
doi:10.1109/qomex48832.2020.9123081 dblp:conf/qomex/HooftVTBTS20 fatcat:bmckz2nygradtahhzpmqz75dlm

Point Cloud Coding Solutions, Subjective Assessment and Objective Measures: A Case Study

Emil Dumic, Luis A. da Silva Cruz
2020 Symmetry  
A case study on the evaluation of subjective quality of point clouds in two laboratories is presented.  ...  Different existing point cloud datasets, as well as discusses the protocols that have been proposed to evaluate the subjective quality of point cloud data.  ...  Conflicts of Interest: The authors declare no conflict of interest. Symmetry 2020, 12, 1955  ... 
doi:10.3390/sym12121955 fatcat:sh5jutusqrg25nlvntszw55ebu

A Serverless Cloud-Fog Platform for DNN-Based Video Analytics with Incremental Learning [article]

Huaizheng Zhang, Meng Shen, Yizheng Huang, Yonggang Wen, Yong Luo, Guanyu Gao, Kyle Guan
2021 arXiv   pre-print
To save bandwidth and reduce RTT, VPaaS provides a new video streaming protocol that only sends low-quality video to the cloud.  ...  computational and bandwidth resources deployed in the client, fog, and cloud environment. 2) Free developers from tedious administration and operation tasks, including DNN deployment, cloud and fog's  ...  DDS also sends the low-quality video to the cloud and then re-sends regions that may contain objects in high-quality for further process.  ... 
arXiv:2102.03012v1 fatcat:q4mxkmjkqbhq7m2cfq5of5i5p4

Fast and Accurate: Video Enhancement using Sparse Depth [article]

Yu Feng, Patrick Hansen, Paul N. Whatmough, Guoyu Lu, Yuhao Zhu
2021 arXiv   pre-print
Essential to our framework is the realization that the accuracy, rather than the density, of pixel flows is what is required for high-quality video enhancement.  ...  Instead, we propose a lightweight flow estimation algorithm; it fuses the sparse point cloud data and (even sparser and less reliable) IMU data available in modern autonomous agents to estimate the flow  ...  Overall Evaluation Results Overview OURS-M and OURS-S consistently outperform the baselines in both quality and speed.  ... 
arXiv:2103.08764v2 fatcat:hquiqo4yevfnfoepqzi5q3jzka

A Hybrid-Streaming Method for Cloud Gaming: To Improve the Graphics Quality delivered on Highly Accessible Game Contents

Kar Long Chan, Kohei Ichikawa, Yasuhiro Watashiba, Uthayopas Putchong, Hajimu Iida
2017 International Journal of Serious Games  
The emerging Cloud Gaming Service provides a highly accessible video gaming experience.  ...  Therefore, we propose a Hybrid-Streaming System that aimed at improving the graphic quality delivered by Cloud Gaming.  ...  However, in term of graphics quality, there is an obvious gap between the traditional local rendering and Cloud Gaming's streaming encoded video, which results in graphics quality significantly degraded  ... 
doi:10.17083/ijsg.v4i2.163 fatcat:3qbzsdam4vcsza3yjfnbxl4qni

Quality analysis of point cloud coding solutions

Prazeres João, Pereira Manuela, Pinheiro Antonio
2022 IS&T International Symposium on Electronic Imaging Science and Technology  
A subjective test where the distorted and reference point clouds were rotated in a video sequence side by side followed by the quality evaluation, was conducted.  ...  Then the performance of a set of four point cloud objective quality metrics of he quality, was analysed using the subjective quality evaluation results.  ...  -C4 -Centro de Competencias em Cloud Computing.  ... 
doi:10.2352/ei.2022.34.17.3dia-225 fatcat:w66ucnehv5h6lgidva7jambk5e

Service-oriented mobile multimedia cooperative storing and delivery scheme based on opportunistic cloud coding and content-centric cloud compression

Nan Lin
2016 EURASIP Journal on Wireless Communications and Networking  
In order to improve the quality of multimedia communication and mobile users, the work efficiency of the cloud platform, the service-oriented mobile multimedia cooperative storing, and the delivery scheme  ...  In addition, the proposed scheme can significantly reduce the failure rate and improve the end-to-end communication performance.  ...  Acknowledgements This work is supported in part by the National SME Technology Innovation Fund Project (ID: 10C26214102198). Received: 14 August 2015 Accepted: 9 June 2016  ... 
doi:10.1186/s13638-016-0653-x fatcat:55fub5qdorbjdefrj3hddk4j5e

Cloudification of Virtual Reality Gliding Simulation Game

Rytis Buzys, Rytis Maskeliūnas, Robertas Damaševičius, Tatjana Sidekerskienė, Marcin Woźniak, Wei Wei
2018 Information  
The results of cloudification were evaluated by measuring and comparing computation offloading performance, network traffic, the probability of service drop, perceptual quality and video quality.  ...  In the cloud, a cloud gaming platform is hosted on cloud servers with two principal components: game logic engaged in the implementation of game mechanics and game interactions, and video renderer that  ...  Conflicts of Interest: The authors declare no conflict of interest. Information 2018, 9, 293  ... 
doi:10.3390/info9120293 fatcat:5mzowl3lnvaphom63bxwmyesva

Subjective Quality Assessment for Cloud Gaming

Abdul Wahab, Nafi Ahmad, Maria G. Martini, John Schormans
2021 J — Multidisciplinary Scientific Journal  
We also show that the QoE of interactive cloud applications rely more on the game playability than the video quality of the game.  ...  We captured user ratings on an ordinal Absolute Category Rating scale for three quality dimensions: Video QoE, Game-Playability QoE, and Overall QoE.  ...  Acknowledgments: We are grateful to the School of Electronic Engineering and Computer Science at the Queen Mary University of London for their help and support in this project.  ... 
doi:10.3390/j4030031 fatcat:ajoj6xd2krbsfeh2d3d23jm5me

A Multi-parameter Video Quality Assessment Model Based on 3D Convolutional Neural Network on the Cloud

Xue Li, Jiali Qiu
2021 ASP Transactions on Internet of Things  
On the whole, the scheme proposed in this paper has a high quality assessment efficiency.  ...  To solve the problems above, we design a multi-parameter video quality assessment model based on 3D convolutional neural network in the video deduplication system, we use a method similar to analytic hierarchy  ...  At present, the research on video quality assessment on the cloud is still in its infancy.  ... 
doi:10.52810/tiot.2021.100063 fatcat:unn65c3g2vd4rb3bmvm2yt3xou

A Hybrid Game Contents Streaming Method: Improving Graphic Quality Delivered on Cloud Gaming [chapter]

Kar-Long Chan, Kohei Ichikawa, Yasuhiro Watashiba, Uthayopas Putchong, Hajimu Iida
2016 Lecture Notes in Computer Science  
However, in term of the gaming quality, Cloud Gaming is not competitive to rival with traditional gaming because of network constraints.  ...  The emerging Cloud Gaming Service provides highly accessible video gaming experience.  ...  However, in term of graphic quality, there is an obvious gap between traditional local rendering and Cloud Gaming's streaming encoded video, which the graphic quality is degraded from the original.  ... 
doi:10.1007/978-3-319-46100-7_13 fatcat:mm5mjnrsazgyrngdpmc3rjzw54
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