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Specialized Video and Physiological Data Coding System for Remote Monitoring
Toronto, ON, Canada July 09-July 12
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICME.2006.2626052006 IEEE International Conference on ...
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Qiang Liu, Laboratory for Computational Neuroscience, Departments of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA 15261, USA
Datong Chen, Computer Science Department, Carnegie Mellon University, Pittsburgh, PA 15213, USA
Mingui Sun, Laboratory for Computational Neuroscience, Departments of Neurological Surgery, Electrical Engineering, Biomedical Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
Robert Sclabassi, Laboratory for Computational Neuroscience, Departments of Neurological Surgery, Electrical Engineering, Biomedical Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
Patient monitoring via video and physiological data recording can now be performed outside hospitals. This procedure, usually performed in a prolonged manner, generates a considerable amount of data, which calls for efficient ways for archiving and transmission. In this work, we present a specialized system to code the video and the physiological data recorded from a patient, aiming at a reduced bandwidth requirement compared to the conventional methods. We've developed an object-based approach to coding the monitoring video. By applying two change detection methods, we decompose a video frame into three video object planes (VOPs) representing the background, the stationary foreground and the moving foreground. These VOPs are coded at different frame rates, leading to a reduced overall bit rate. For coding the physiological data (using electroencephalogram, i.e. EEG, as an example), we present an effective solution by using a combination of the lifting scheme and the SPIHT algorithm. This approach is featured with a wavelet-quantization algorithm that enables a scalable transmission. The feasibility of this proposed system is demonstrated by our experimental results.
Citation:
Qiang Liu, Datong Chen, Mingui Sun, Robert Sclabassi, "Specialized Video and Physiological Data Coding System for Remote Monitoring," icme, pp.2001-2004, 2006 IEEE International Conference on Multimedia and Expo, 2006
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