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Author: search.filters.author.Pintavirooj, C.Subject: search.filters.subject.Image Processing

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    Indoor positioning system for automatic wheelchair control
    (2017-12-19)
    Ruenruay, Wanwisa
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    Suwan, S.
    ;
    Pintavirooj, C.
    Nowadays, Global Positioning System or GPS has been used extensively in various applications such as navigating to the target location, tracking the movement of people, security monitoring and determining point to relieve public disasters. Applications in healthcare smart home are discussed in this paper. We develop an indoor GPS for wheelchair patient who suffers from paralyze or semi-paralyze condition. Our propose system consists of a series of digital camera installed on the room ceiling. The captured room images are sent to the server. The image are enhanced and stitched to form the whole room image. The location of wheelchair moving in any camera is detected. The coordinate is computed and transmitted to the wheelchair motion control to determine the direction and possible pathway.
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    Dynamic foot plantar measurement platform using optical sensors
    (2017-12-19)
    Nampeng, Jindapa
    ;
    Visitsattapongse, S.
    ;
    Pintavirooj, C.
    Foot plantar pressure is the interface pressures between the foot surface and the supporting surface during daily activities. Pressure information provides valuable insight in gait and posture research for diagnosis diseases, footwear design, sport performance, injury prevention and other applications. In this paper, a dynamic foot plantar pressure measurement platform is proposed suitable for measuring dynamic plantar pressure in real-time with high accuracy and reliability. A Platform has made from steel structure covering with 15 mm acrylic plate with LED strip on the top and surrounding by 3 mm black acrylic to block undesirable light. The optical sensors, the infrared cameras, have connected on Raspberry Pi to process and record plantar pressure frame in avi file using OpenCV library.