User-oriented QoS analysis in MPEG-2 video delivery
Real-Time Imaging - Special issue on real-time digital video over multimedia
Applications of Video-Content Analysis and Retrieval
IEEE MultiMedia
No-reference image quality assessment based on DCT domain statistics
Signal Processing
Quality monitoring of video over a packet network
IEEE Transactions on Multimedia
Modeling packet-loss visibility in MPEG-2 video
IEEE Transactions on Multimedia
A method of estimating coding PSNR using quantized DCT coefficients
IEEE Transactions on Circuits and Systems for Video Technology
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We present a Video Outage Detection Algorithm (VODA) that detects catastrophic failures in video systems by mimicking human behavior. VODA uses a continuity detector for video, audio, and motion, along with blackness, silence, and stillness detection. An outage is declared when all individual features exhibit a sudden drop; an alarm is generated when an outage lasts over two seconds. We analyze the performance of VODA on a large corpus of movie and TV episodes, and we show it has good performance when applied to 160 hours of recorded broadcast TV