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Çѱ¹µµ·ÎÇÐȸ / v.10, no.3, 2008³â, pp.19-31
½Ç½Ã°£ ¿µ»ó󸮸¦ ÀÌ¿ëÇÑ °³º°Â÷·® ÃßÀû½Ã½ºÅÛ °³¹ß
( Development of a Real Time Video Image Processing System for Vehicle Tracking )
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¿µ»ó󸮽ýºÅÛ(VIPS: Video Image Processing System)Àº ½Ç½Ã°£À¸·Î µé¾î¿À´Â ¿µ»óÁ¤º¸¸¦ ºÐ¼®ÇÏ¿© À¯¿ëÇÑ Á¤º¸¸¦ Á¦°øÇϸç, ÇϳªÀÇ Ä«¸Þ¶ó·Î ¿©·¯ Â÷·Î¸¦ µ¿½Ã¿¡ °¨½ÃÇÒ ¼ö ÀÖ´Â ¾Ë°í¸®ÁòÀ¸·Î ±³Åë·®, ¼Óµµ»Ó¸¸ ¾Æ´Ï¶ó ¹Ðµµ ¹× Á¡À¯À² µî ´Ù¾çÇÑ Á¤º¸¸¦ Á¦°øÇÑ´Ù. ¿µ»ó°ËÁö½Ã½ºÅÛÀ¸·Î »ó¿ëÈ­ Á¦Ç°Àº Tripwire½Ã½ºÅÛÀ¸·Î °ËÁö¿µ¿ªÀÇ Çȼ¿ º¯È­·®À¸·Î Â÷·®°ËÁö¸¦ Çϳª, ÀÌ´Â ±³Åë·®, ¼Óµµ µî ´ÜÆíÀûÀÎ Á¤º¸¿¡ ±¹ÇÑµÉ ¼ö ¹Û¿¡ ¾ø´Ù. ¹Ý¸é, ¿µ»ó°ËÁö½Ã½ºÅÛÀÌ °³º°Â÷·®¿¡ ´ëÇÑ ÃßÀû½Ã½ºÅÛÀ¸·Î °³¹ßÇÒ °æ¿ì »ç°í ¹× Â÷·Î º¯°æÀÇ À§Çè¿ä¼Ò °¨Áö µî º¸´Ù ´Ù¾çÇÑ Á¤º¸¸¦ Á¦°øÇÒ ¼ö°¡ ÀÖ´Ù. º» ³í¹®Àº ÄÄÇ»ÅͺñÀü ±â¼úÀ» ÀÌ¿ëÇÏ¿© Tripwire¿¡¼­ ¼öÁýÇÒ ¼ö ÀÖ´Â ±³ÅëÁ¤º¸¿Í µ¿ÀÏÇÑ Á¤º¸¸¦ Á¦°øÇÏ´Â °³º°Â÷·®ÀÇ ÃßÀû½Ã½ºÅÛÀ» °³¹ßÇÏ¿´À¸¸ç ÀÌ ½Ã½ºÅÛÀ» ½ÇÁ¦ µµ·Î¿µ»ó¿¡ Àû¿ëÇÏ¿© »ó¿ëÈ­µÈ ½Ã½ºÅÛ°ú °á°ú¸¦ ºñ±³ÇÔÀ¸·Î½á ¼º´É°ËÁõÀ» ÇÏ¿´´Ù.
Video image processing systems(VIPS) offer numerous benefits to transportation models and applications, due to their ability to monitor traffic in real time. VIPS based on wide-area detection, i.e., multi-lane surveillance algorithm provide traffic parameters with single camera such as flow and velocity, as well as occupancy and density. However, most current commercial VIPS utilize a tripwire detection algorithm that examines image intensity changes in the detection regions to indicate vehicle presence and passage, i.e., they do not identify individual vehicles as unique targets. If VIPS are developed to track individual vehicles and thus trace vehicle trajectories, many existing transportation models will benefit from more detailed information of individual vehicles. Furthermore, additional information obtained from the vehicle trajectories will improve incident detection by identifying lane change maneuvers and acceleration/deceleration patterns. The objective of this research was to relate traffic safety to VIPS tracking and this paper has developed a computer vision system of monitoring individual vehicle trajectories based on image processing, and offer the detailed information, for example, volumes, speed, and occupancy rate as well as traffic information via tripwire image detectors. Also the developed system has been verified by comparing with commercial VIP detectors.
 
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¿µ»ó°ËÁö±â;Â÷·®ÃßÀû;±³ÅëÁ¤º¸;VIP;vehicle tracking;ITS;traffic information;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.3, 2008³â, pp.19-31
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200807653005869)
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