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In this paper, Adaptive Power Control with Overhearing Avoidance (APC-OA) has been proposed. The proposed power control algorithm has been implemented in PICSENSE wireless sensor nodes. The energy consumption of proposed MAC has been compared with that of On Demand Transmission Power Control (ODTPC) protocol and it is shown that the Adaptive Power Control with Overhearing Avoidance gives higher energy...
In this paper, an empirical analysis of energy conservation for wireless sensor networks has been reported. An energy computation technique has been proposed for energy measurement in sensor networks. CSMA/CA with RTS/CTS and overhearing avoidance has been implemented in the PICSENSE nodes and the energy consumption of the two Medium Access Control Protocols has been reported. Processor duty cycling...
India is a multi-lingual and multi-script country, where eighteen official scripts are accepted and have over hundred regional languages. In this paper we propose Zone and projection distance metric based feature extraction system. The character /image (50times50) is further divided in to 25 equal zones (10times10 each). For each zone column average pixel distance is computed in Vertical Downward...
Character recognition is the important area in image processing and pattern recognition fields. Handwritten character recognition has received extensive attention in academic and production fields. The recognition system can be either online or off-line. Off-line handwriting recognition is the subfield of optical character recognition. India is a multi-lingual and multi-script country, where eighteen...
Character recognition is the important area in image processing and pattern recognition fields. Handwritten character recognition has received extensive attention in academic and production fields. The recognition system can be either on-line or off-line. Off-line handwriting recognition is the subfield of optical character recognition. India is a multi-lingual and multi-script country, where eighteen...
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