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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.12, 2007³â, pp.109-116
µðÁöÅÐ ¿µ»ó °èÃø ±â¼úÀÇ ¿µÇâÀÎÀÚ¿¡ µû¸¥ Á¤¹Ðµµ ºÐ¼®
( Analysis of Digital Vision Measurement Resolution by Influence Parameters )
±è±¤¿°;±èâ¿ë;À̽µµ;ÀÌÁ¤ÀÎ; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÁöÇϱ¸Á¶¹°¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÁöÇϱ¸Á¶¹°¿¬±¸½Ç;»ï¼º¹°»ê °Ç¼³ºÎ¹® Åä¸ñENGÆÀ;¼­¿ï´ëÇб³;
 
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µðÁöÅÐ ¿µ»óÀ» ÀÌ¿ëÇÏ¿© ´ë»óüÀÇ ÀÔü¸ðµ¨À» »ý¼ºÇÏ´Â ÀüÅëÀûÀÎ »çÁø Ãø·® ¹æ¹ýÀ» Ȱ¿ëÇÑ °èÃøÀÇ Àû¿ë¼ºÀ» »ìÆìº¸¾Ò´Ù. º» ¿¬±¸¿¡¼­´Â µðÁöÅÐ ¿µ»óÀ» ÀÌ¿ëÇÑ °èÃøÀÇ Àû¿ë¼ºÀ» Çâ»ó½Ã۱â À§ÇÑ ¹æ¾ÈÀ» ¸¶·ÃÇϰíÀÚ ½ÇÇèÀ» ÅëÇØ ´Ù¾çÇÑ ¿µÇâ ÀÎÀÚÀÇ ¼³Á¤¿¡ µû¸¥ Á¤¹Ðµµ¿Í Á¤È®µµ¸¦ ºÐ¼®ÇÏ¿´´Ù. µðÁöÅÐ ¿µ»ó °èÃøÀº ȹµæµÈ À̹ÌÁöÀÇ ÇØ»óµµ°¡ Ŭ¼ö·Ï, ´ë»óü¿¡¼­ °¡±î¿ï¼ö·Ï, ÃÊÁ¡°Å¸®°¡ Ŭ¼ö·Ï º¸´Ù ÁÁÀº °èÃø °á°ú¸¦ ³ªÅ¸³»¾ú´Ù. ¶ÇÇÑ, ´Ù¾çÇÑ °¢µµ¿¡¼­ °¡´ÉÇÑ ¿©·¯ÀåÀÇ À̹ÌÁö¸¦ ȹµæÇÏ¿© ó¸®ÇÒ °æ¿ì °èÃø ¿ÀÂ÷¸¦ °¨¼Ò½Ãų ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù. µðÁöÅÐ ¿µ»ó°èÃøÀÇ Á¤¹Ðµµ´Â °èÃø´ë»ó°ú ÃøÁ¤Á¶°Ç¿¡ µû¶ó Å©°Ô Á¿ìµÉ ¼ö ÀÖ´Ù. µðÁöÅÐ ¿µ»ó°èÃøÀ» ½Ç´ëÇü ¶óÀÌ´× ÀçÇϽÇÇèÀÇ ½ÃÇèÆí º¯À§ÃøÁ¤¿¡ Àû¿ëÇØº½À¸·Î½á Á¤¹Ð º¯À§ °èÃøºÐ¾ß¿¡ Ȱ¿ë¼ºÀ» ÆÄ¾ÇÇÏ¿´´Ù.
This study has reviewed the applicability of displacement measurement by using a digital vision technique based on typical photogrammetric methods. In this study, a series of experimental measurements have been performed in order to improve the accuracy of digital vision measurement by establishing criteria of factors of various vision measurements. It is found that the digital vision measurement tends to show higher accuracy as the image size(resolution) and the focal length become larger and the distance to an object becomes closer. It is also observed that measurement error decreases with processing as many images as possible in various angles. Applicability on high-resolution displacement measurement is proved by applying the digital vision measurement developed in this study to a large scale loading test of concrete lining.
 
Ű¿öµå
Digital vision measurement;Measurement error;Measurement of displacement;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.12, 2007³â, pp.109-116
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200706414474196)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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