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Recently, the wide deployment of surveillance systems such as driving recorders and sensor networks has highlighted the significance of time-series data, that are, the data indexed by timestamps. This trend has thus driven a rapidly increasing demand of high-performance, cost-effective storage and management systems for time-series data. In a typical use case, the storage system is accessed by range...
Physical Unclonable Functions (PUFs) provide secure cryptographic keys for resource constrained embedded systems without secure storage. A PUF measures internal manufacturing variations to create a unique, but noisy secret inside a device. Syndrome coding schemes create and store helper data about the structure of a specific PUF to correct errors within subsequent PUF measurements and generate a reliable...
Vehicular ad hoc networks (VANETs) are emerging as an indispensable platform to collect vehicular sensor data, which can be applied to improve traffic efficiency and support numerous promising commercial applications. However, it is challenging to efficiently collect these data without overloading the network. In this paper, a novel scheme, compressive sensing based data collection (CS-DC), is proposed...
Multiview coding is an enabling technique which facilitates stereo-vision and 3D applications. Compression ratios can be improved by taking reference frames across different viewpoints. However, the inter-view dependency yields additional drift errors. This paper applies multiple description coding technique for multi-view video to reduce the probability of corrupted video frames for streaming applications...
Distributed video coding (DVC) technology is investigated and payed more and more attentions in wireless video applications because of characteristics of its encoder with low-complexity and decoder with high-complexity. Its coding types can be sorted the key and Wyner-Ziv frames, key frames are with conventional intra-coding mode, Wyner-Ziv frames are coded by an encoder that is composed of quantizer...
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