Screen Content Video Coding and Applications

  in Special Issue   Posted on September 4, 2015

Information for the Special Issue

Submission Deadline: Fri 22 Jan 2016
Journal Impact Factor : 2.542
Journal Name : IEEE Journal on Emerging and Selected Topics in Circuits and Systems
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Special Issue Call for Papers:

Screen content video has evolved from a niche to a mainstream due to the rapid advances in mobile and cloud technologies. Real-time, low-latency transport of screen visuals between devices in the form of screen content video is becoming prevalent in many applications, e.g. wireless display, screen mirroring, mobile or external display interfacing, screen/desktop virtualization and cloud gaming. Today’s commonly-used video coding methods, however, have been developed primarily with camera-captured content in mind. These new applications create an urgent need for efficient coding of screen content video, especially as the support of 4k or even 8k resolution begins to achieve mass market appeal.

Screen content video coding poses numerous challenges. Such content usually features a mix of computer- generated graphics, text, and camera-captured images/video. With their distinct signal characteristics, content- adaptive coding becomes necessary. This is without mentioning the varied level of the human’s visual sensitivity to distortion in different types of content; visually or mathematically lossless quality may be required for all or part of the video. Recognizing the demand for an industry standard for coding of screen content, the ISO/IEC Moving Picture Experts Group and ITU-T Video Coding Experts Group have since January 2014 been developing new extensions for HEVC. The Video Electronics Standards Association also recently completed a Display Stream Compression (DSC) standard for next-generation mobile or TV/Computer display interfaces. The development of these standards introduced many new ideas, which are expected to inspire more future innovations and benefit the varied usage of screen content coding.

Besides coding, there are many other challenging aspects related to screen content video. For instance, in applications like screen mirroring and screen/desktop virtualization, low-latency video processing and transmission are essential to ensure an immediate screen response. In addition to real-time streaming technologies, these applications need a parallel-friendly screen encoding algorithm that can be performed efficiently on modern mobile devices or remote servers in the data center, and require, in certain use cases, the harmony of their computing resources, to keep the processing time to a minimum. At the receiver side, best-effort decoding with consideration for transmission errors, along with visual quality enhancement, is expected. Addressing these constraints requires research from multiple disciplines as is the case for other applications.

Topics of interest
Screen content video coding techniques and standards, e.g. HEVC extensions and DSC
Visually or mathematically lossless screen content video coding
Application-specific screen content coding, e.g. display stream or frame memory compression
Screen-content related pre/post-processing, e.g. resizing and post-filtering
Visual quality assessment for screen content video
Parallel-friendly, low-delay encoding optimization
Robust decoding with error and power control
Hardware/software/cloud-based screen codec implementations
Real-time, adaptive screen content transport over Internet or wireless networks
Design examples of novel screen content video applications, e.g. screen/desktop virtualization and cloud gaming
System performance analysis and characterization

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