¶óÆæÆ®¦¢Ä«Æä¦¢ºí·Î±×¦¢´õº¸±â
¾ÆÄ«µ¥¹Ì Ȩ ¸í»çƯ°­ ´ëÇבּ¸½Ç޹æ Á¶°æ½Ç¹« µ¿¿µ»ó°­ÀÇ Çѱ¹ÀÇ ÀüÅëÁ¤¿ø ÇÐȸº° ³í¹®
ÇÐȸº° ³í¹®

Çѱ¹°Ç¼³°ü¸®ÇÐȸ
Çѱ¹°ÇÃà½Ã°øÇÐȸ
Çѱ¹µµ·ÎÇÐȸ
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
Çѱ¹»ýÅÂÇÐȸ
Çѱ¹¼öÀÚ¿øÇÐȸ
Çѱ¹½Ä¹°ÇÐȸ
Çѱ¹½Ç³»µðÀÚÀÎÇÐȸ
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
Çѱ¹ÀܵðÇÐȸ
Çѱ¹Á¶°æÇÐȸ
Çѱ¹Áö¹Ý°øÇÐȸ
Çѱ¹ÇÏõȣ¼öÇÐȸ
Çѱ¹È¯°æ»ý¹°ÇÐȸ
Çѱ¹È¯°æ»ýÅÂÇÐȸ

Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.7, 2008³â, pp.701-709
º¸Á¤µÈ Ä«¸Þ¶ó¸¦ ÀÌ¿ëÇÑ Ç¥¸é¿µ»óÀ¯¼Ó°èÀÇ ÁÂÇ¥º¯È¯¹æ¹ý
( Coordinate Transform Method of Surface Image Velocimetry with a Calibrated Camera )
·ù±Ç±Ô;Á¤¹ü¼®;À±º´¸¸; µ¿ÀÇ´ëÇб³ Åä¸ñ°øÇаú;µ¿ÀÇ´ëÇб³ Åä¸ñ°øÇаú;¸íÁö´ëÇб³ Åä¸ñ°øÇаú;
 
ÃÊ ·Ï
Ç¥¸é¿µ»óÀ¯¼Ó°è(SIV)´Â ¿µ»ó ó¸® ±â¼úÀ» ÀÌ¿ëÇÏ¿© ¼öÇ¥¸éÀÇ À¯¼ÓÀ» ÃøÁ¤ÇÏ´Â ÀåºñÀÌ´Ù. Ç¥¸é¿µ»óÀ¯¼Ó°è´Â ÇÏõÀÇ À¯¼ÓÀ» ¸Å¿ì °£ÆíÇÏ°Ô ÃøÁ¤ÇÒ ¼ö ÀÖµµ·Ï ÇÑ´Ù. ±×·¯³ª, Ç¥¸é¿µ»óÀ¯¼Ó°è¸¦ ÀÌ¿ëÇÏ¿© À¯·®À» »êÁ¤ÇϰíÀÚ ÇÒ °æ¿ì, ÇÏõ Ç¥¸éÀÇ Æò¸é Ãø·® ÀÚ·á¿Í ÇÏõÀÇ ´Ü¸é Ãø·® ÀÚ·á°¡ ¹Ýµå½Ã ÇÊ¿äÇÏ´Ù. ÀÌ ¶§¹®¿¡ Ç¥¸é¿µ»óÀ¯¼Ó°èÀÇ °£Æí¼º°ú À¯¿ë¼º¿¡µµ ºÒ±¸Çϰí, ÀÌ¿ëÀÚµéÀÌ ½±°Ô ÀÌ¿ëÇÏ±â ¾î·Æ´Ù´Â ±×¸©µÈ ÀνÄÀ» ÁÙ ¼ö ÀÖ´Ù. ¸¸ÀÏ È¿À²ÀûÀÌ°í °£ÆíÇÏ°Ô ÇÏõÀÇ Æò¸éÀ» ÃßÁ¤ÇÒ ¼ö ÀÖ´Ù¸é, Ç¥¸é¿µ»óÀ¯¼Ó°è¸¦ ¸¶Ä¡ ÀϹÝÀûÀÎ ÇÁ·ÎÆç·¯ À¯¼Ó°èó·³ ½±°Ô ÀÌ¿ëÇÒ ¼ö ÀÖÀ» °ÍÀ̸ç, ±× Àû¿ë¼ºµµ Å©°Ô ÁõÁøµÉ °ÍÀÌ´Ù. ÀÌ ¿¬±¸´Â º¸Á¤µÈ Ä«¸Þ¶ó¸¦ ÀÌ¿ëÇÏ¿© ½ÇÁ¦ÀÇ Æò¸é ÁÂÇ¥(¹°¸® ÁÂÇ¥)¸¦ ÃßÁ¤ÇÏ´Â ¹æ¹ý¿¡ ´ëÇÑ °ÍÀÌ´Ù. ÀÌ ¹æ¹ýÀ» ÀÌ¿ëÇϸé À¯¼ÓÀåÀ» ÃßÁ¤ÇÏ´Â °úÁ¤À» ¹ÝÀÚµ¿È­ÇÒ ¼ö ÀÖ´Ù. º¸Á¤µÈ Ä«¸Þ¶ó¿¡¼­ Æò¸é ÁÂÇ¥¸¦ »êÁ¤Çϱâ À§ÇØ »çÁø Ãø·®ÇÐÀû ±â¹ýÀ» äÅÃÇÏ¿´´Ù. ÀÌ ±â¹ýµéÀº ÄÄÇ»ÅÍ ½Ã°¢ ºÐ¾ß¿¡¼­ ¿À·£ µ¿¾È ¿¬±¸µÇ¾î ¿Â °ÍÀÌ´Ù. ÀÌ ±â¹ýÀ» Ç¥¸é¿µ»óÀ¯¼Ó°è¿¡ Àû¿ëÇÏ¿© »ç¿µ º¯È¯À» À§ÇÑ ÂüÁ¶Á¡µéÀÇ ÁÂÇ¥¸¦ ±¸ÇÒ ¼ö ÀÖ´Ù. À̸¦ ÅëÇØ ÂüÁ¶Á¡ Ãø·®¿¡ ´ëÇÑ ¹ø°Å·Î¿î °úÁ¤À» »ý·«ÇÒ ¼ö ÀÖ´Ù. °³¹ßµÈ ¹æ¹ýÀ» ½ÇÁ¦ Àû¿ëÇØ º» °á°ú´Â ¿ÀÂ÷¸¦ ¹«½ÃÇÒ ¼ö ÀÖÀ» Á¤µµÀÓÀ» ÀÔÁõÇÏ¿´´Ù.
Surface Image Velocimetry (SIV) is an instrument to measure water surface velocity by using image processing techniques. It gives us one of the easiest ways to measure water velocity. However, since it requires a set of plane survey data to estimate the velocity, it may give us some kind of misconcept that its usage would be difficult or cumbersome in spite of its handiness. If it has a feature that can estimate the plane survey data easily, it may be treated as like one of the conventional propeller velocimetries and its applicability would be improved so high. The present study is to propose a method to estimate the plane geometry of the physical coordinate with a calibrated camera. With the feature we can half-automatize the estimating procedure for the whole water velocity field. Photogrammetric technique to calculate the plane coordinates of the reference points with a calibrated camera was studied, which has originally studied for long time in the field of computer vision. By applying this technique to SIV, it is possible to estimate the location of reference coordinates for projective transform without plane survey. With this procedure the cumbersome plane survey for the reference points is omitted. One example application of the developed method showed fairly good results with insignificant errors.
 
Ű¿öµå
Ç¥¸é¿µ»óÀ¯¼Ó°è;¿µ»ó ó¸®;¿µ»ó º¸Á¤;À¯¼Ó ÃøÁ¤;image correction;image processing;Surface Image Velocimetry;velocity measurement;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.7, 2008³â, pp.701-709
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200824550465077)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
¸ñ·Ïº¸±â
ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

ÇÏÀ§¹è³ÊÀ̵¿