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Line detection in gray-scale images is a low-level processing which has many applications such as road detection in remote images and vessel detection in medical images. An efficient primitive connection-based algorithm for detecting line segments is proposed. Canny operator is used to detect edges in a digital image and all the edges are tracked to form series of edge point chains by a 4-neighbor-priority...
A serial I/O composed of inverters and transmission gates only is proposed to achieve high supply voltage scalability and low area overhead. The inverter with an inductive biasing circuit can extend bandwidth, and reduce the SSN simultaneously. With a TSMC 0.18 mum CMOS process, the I/O occupies an area of 0.014 mm2 and operates from 4 Gbps@1.9 V to 1.5 Gbps@1.1 V.
Motivated by cognitive radio applications, we consider mitigating the effect of interference by exploiting known properties about its signal structure. Specifically, we analyze communication between a source and destination with an interferer that induces random variations in the source-destination channel. The interferer transmits a sequence chosen uniformly from a randomly generated codebook, which...
In this paper, an automatic audio commercial recognition based on coarse-to-fine matching strategy is proposed. First, to index audio commercials in the database efficiently, the locality sensitive hash (LSH) is applied to accelerating the initial retrieval procedure. Second, with respect to the collision occurred in the initial LSH matching, a fine matching procedure based on Fine Granularity Successive...
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