Video Quality Assessment

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Video Quality Assessment

Video Quality Assessment

Prof.Mohammad Ghanbari : Professor, IEEE Life Fellow, PhD in Electrical Engineering, 1980, University of Essex, UK Emeritus Professor, University of Essex, UK.

Research Interests: Video/Image compression, motion estimation. Image/video segmentation/ processing. Image/video retrieval, indexing. Image/video encryption/watermarking. Object tracking, scene analysis. Video networking, Video transcoding, IT-broadcasting workflow. Video quality metrics, IPTV, video over IP. Video coding for IP and wireless networks. Multimedia communication networks. Joint-source channel coding. Overlay networks, ad-hoc networks, manets & vanets, sensor networks. End-to-end quality of service, quality of experience. Network services, Financial analysis of networks and services Peer-to-peer networking, streaming. Cross-layer optimization. Flow/congestion control in IP/heterogeneous networks, Fuzzy logics. Network performance management.

Full Time / September  26-Mondey

•    Video quality artifacts due to compression, blockiness, blurriness, jerkiness, etc.
•    How to detect blockiness , blurriness at the receiver
•    Video quality artifacts due to channel errors and packetized transmission, loss of video packets,
•    Robust video coding for reduced channel error side effects.
•    Video quality improvement with loss/error concealment techniques
•    Human visual system and its response to visual artifacts, Spatcio-temporal response,  artifacts masking
•    Is PSNR a valid criterion for video quality assessment?  Why is it used in video codecs?
•    Various methods of subjective video quality assessments (DSCQS, DSIS, AQR, etc.)
•    Various methods of Objective video quality assessment
•    Video Quality Experts Group (VQEG) Standards for objective quality metrics (Full reference, Reduced reference, No-reference)
•    Recency effect on measured video quality and its impact in resource allocation strategy
•    Forgiveness effect on measured video quality
•    How to derive a Single quality metric for long video sequences
•    Monitoring of streamed video with a Video Quality Meter (VQM)
•    Quality of experience (QoE) versus Quality of Service (QoS)

Dr.Mohammad Ghanbari