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Robot localization is one of the hottest research spots. Many scholars have studied the landmark localization which is cheap, stable, and simple in the indoor environment. This paper presents a low-cost localization system based on the artificial landmarks with two degree of freedom platform camera. The landmarks are put on the ceiling in order to decrease the interference. A 2-DOF pan-tilt has been...
Falls threaten the health and life safety of the elderly seriously. And timely medical assistance will help largely to reduce the rate of morbidity- mortality. In this research, a fall detection algorithm was proposed to detect various fall scenarios with high accuracy by analyzing the fall events data obtained from young subjects and the Activities of Daily Life (ADL) data collected from the elderly...
An improved localization algorithm W-Ecolocation in wireless sensor network is proposed. When there is a high erroneous constraints rate, the Ecolocation algorithm which only considers the locations with maximum computing number of matched constraints cannot obtain the optimal location estimate. The W-Ecolocation makes use of more locations with great computing number of matched constraints and takes...
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