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This paper presents an optimized software solution for fast video decoding, which can be easily integrated into systems that lack hardware support for parallel video processing. These systems are usually based on a single low processing power hardware decoder, which is in charge of processing one video stream. If it is required to decode two different video streams in parallel, decoder as such one...
An internet booster (IB) based on a networked hw/sw complex system is presented. The key-idea of IB is obtaining relevant WEB applications virtual hardware circuit through internet; just as same as downloading general WEB applications specific software from the server. The downloaded virtual hardware circuit is realized into an FPGA and cooperates with server's application which is also constructed...
Fully configurable video coding is a new concept where, a universal video decoder (UVD) can be configured to execute any decoding algorithm as specified by a configuration syntax embedded in coded video stream. This paper presents a software implementation of a UVD that can efficiently construct and execute any specified video decoder at comparable speed to a pre-compiled decoder.
With the advent of new upcoming online video services such as IPTV, video on demand (VoD) and peer-to-peer (P2P) video streaming, content providers are gaining more and more interest in measuring and monitoring video quality as perceived by end-users; also known as quality of experience (QoE). Objective video quality metrics provide a means of measuring visual quality degradations but in order to...
A multi-server video monitor system based on streaming media communication technology is proposed. Large-scale, long-distance monitoring requirements have been met. The video monitor software is researched, which has the function of video restoration, proprietary protocol is used to realize video transmitting smoothly. In the part of the software programming, multi-threaded mechanism and double buffering...
Error concealment with good restored video quality and low computational cost is significantly required for video streams transmitted in error-prone channels, especially for real-time applications. A fast and efficient spatial error concealment algorithm is proposed for intra-frames in the decoding phase, which utilizes a new matching criterion and avoids computational intensive tasks, such as edge...
Video-streaming can now be offered on third-generation (3G) mobile networks. Most research efforts have focused on video download. This paper presents a detailed study of challenges faced for successfully deploying applications requiring life video upload. Both subjective and objective qualities as well as the effects of mobility are analyzed on real 3G networks. Consequently, video profiles are identified...
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