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With the development of 3G/4G and WiFi networks, there has been a growing demand for video delivery over wireless channels. This increase of video traffic creates a significant challenge for efficient, reliable and adaptable video coding techniques. Multiple description coding (MDC) is an error resilient video coding method that has been proposed for streaming applications when retransmission is unacceptable...
Increasingly the behavior of living systems is being evaluated using intravital microscopy since it provides subcellular resolution of biological processes in an intact living organism. Intravital microscopy images are frequently confounded by motion resulting from animal respiration and heartbeat. In this paper we describe an image registration method capable of correcting motion artifacts in three...
Many popular video coding standards such as VPx, H.26x achieve video compression by using spatial and temporal dependencies in the source video signal. This makes the encoded bitstream vulnerable to errors during transmission. In this paper, we investigate an error resilient video coding for the VPx bitstreams using error resilience packets. An error resilient packet consists of encoded keyframe contents...
The encoded bitstream of a typical video compression method is vulnerable to errors during transmission over lossy network. Multiple Description Coding (MDC) is an error resilient video coding suitable for real-time applications when retransmission is unacceptable. Subsampling-based MDC with error concealment is often effective for mitigating unpredictable losses. In this paper, a spatial subsampling...
Multiple Description Coding (MDC) is an error resilient video coding method suitable for real-time applications when retransmission is unacceptable. A four description MDC architecture is described with temporal and spatial error concealment capabilities at the decoder. In this paper, we present an adaptive error concealment method using error estimation. Experimental results demonstrate the efficacy...
Multiple Description Coding (MDC) is an efficient error resilient video coding method especially for real-time applications when retransmission is unacceptable. For applications with scalable, multicast and P2P environments, it is advantageous to use more than two descriptions. In this paper, we present an adaptive temporal-spatial error concealment method using motion vector analysis to improve the...
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