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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹ÀÎÅͳÝÁ¤º¸ÇÐȸ ³í¹®Áö

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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ¾Çº¸ÀÎ½Ä Àü󸮸¦ À§ÇÑ °­°ÇÇÑ ¿À¼± µÎ²²¿Í °£°Ý ÃßÁ¤ ¹æ¹ý
¿µ¹®Á¦¸ñ(English Title) A Robust Staff Line Height and Staff Line Space Estimation for the Preprocessing of Music Score Recognition
ÀúÀÚ(Author) ³ªÀμ·   ±è¼öÇü   ²î   In-Seop Na   Soo-Hyung Kim   Trung Quy Nquyen  
¿ø¹®¼ö·Ïó(Citation) VOL 16 NO. 01 PP. 0029 ~ 0037 (2015. 02)
Çѱ۳»¿ë
(Korean Abstract)
ÀÌ ³í¹®¿¡¼­´Â ¸ð¹ÙÀÏ ±â±â»ó¿¡¼­ Ä«¸Þ¶ó±â¹Ý ¾Çº¸ÀνÄÀ» À§ÇÑ ¿À¼± µÎ²²¿Í ¿À¼± °£°ÝÀ» ÃßÁ¤ÇÏ´Â Àüó¸® ±â¼úÀ» Á¦¾ÈÇÑ´Ù. ĸÃÄµÈ ¿µ»óÀº Á¶¸íÀ̳ª, Èå·ÁÁü, ÀúÇØ»óµµ µîÀÇ ¸¹Àº ¿Ö°îÀ¸·Î ÀÎÇØ ÀνĿ¡ ¾î·Á¿òÀÌ ÀÖ´Ù. ƯÈ÷ º¹ÀâÇÑ ¹è°æÀ» °¡Áö°í ÀÖ´Â ¾Çº¸ ¿µ»ó ÀνÄÀÇ °æ¿ì ´õ¿í ±×·¸´Ù. ¾Çº¸ ±âÈ£ ÀνĿ¡¼­ ¿À¼± µÎ²²¿Í ¿À¼± °£°ÝÀº ÀνĿ¡ Å« ¿µÇâÀ» ³¢Ä£´Ù. À̵é Á¤º¸´Â ÀÌÁøÈ­¿¡µµ »ç¿ëµÇ´Âµ¥, º¹ÀâÇÑ ¹è°æÀ» °¡Áö°í ÀÖ´Â °æ¿ì ÀϹÝÀûÀÎ ÀÌÁø ¿µ»óÀº ¿À¼± µÎ²²¿Í °£°ÝÀ» ÃßÁ¤Çϴµ¥ ¸¸Á·½º·´Áö ¸øÇÏ´Ù. µû¶ó¼­ ¿ì¸®´Â ¿¡Áö ¿µ»ó¿¡¼­ ·±-±æÀÌ ¿£ÄÚµù ±â¼úÀ» ÀÌ¿ëÇØ ¿À¼± µÎ²²¿Í °£°Ý ÃßÁ¤ÇÏ´Â °­°ÇÇÑ ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈµÈ ¹æ¹ýÀº 2´Ü°è·Î ±¸¼ºµÇ¾îÀÖ´Ù. ù ¹ø° ´Ü°è´Â ¼Òº§ ¿¬»êÀÚ¿¡ ÀÇÇØ ¿µ¿ªº°·Î ¿¡Áö ¿µ»óÀ» ±â¹ÝÀ¸·Î ¿À¼± µÎ²²¿Í °£°ÝÀ» ÃßÁ¤ÇÑ´Ù. °¢ ¿¡Áö ¿µ»óÀÇ ¿­Àº ·±-±æÀÌ ¿£ÄÚµù ¾Ë°í¸®Áò¿¡ ÀÇÇØ ±â¼úµÈ´Ù. µÎ ¹ø° ´Ü°è´Â ¾ÈÁ¤ÇÑ °æ·Î ¾Ë°í¸®ÁòÀ» ÀÌ¿ëÇÑ ¿À¼± °ËÃâ°ú ¿À¼± À§Ä¡¸¦ ÃßÀûÇÏ´Â ÀûÀÀÀû LTH¾Ë°í¸®ÁòÀ» ÀÌ¿ëÇÑ ¿À¼± Á¦°ÅÀÌ´Ù. ½ÇÇè°á°ú º¹ÀâÇÑ ¿µ»óÀÇ °æ¿ì¿¡µµ °­°ÇÇÔ°ú ³ôÀº ÀνķüÀ» º¸¿´´Ù.
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(English Abstract)
In this paper, we propose a robust pre-processing module for camera-based Optical Music Score Recognition (OMR) on mobile device. The captured images likely suffer for recognition from many distortions such as illumination, blur, low resolution, etc. Especially, the complex background music sheets recognition are difficult. Through any symbol recognition system, the staff line height and staff line space are used many times and have a big impact on recognition module. A robust and accurate staff line height and staff line space are essential. Some staff line height and staff line space are proposed for binary image. But in case of complex background music sheet image, the binarization results from common binarization algorithm are not satisfactory. It can cause incorrect staff line height and staff line space estimation. We propose a robust staff line height and staff line space estimation by using run-length encoding technique on edge image. Proposed method is composed of two steps, first step, we conducted the staff line height and staff line space estimation based on edge image using by Sobel operator on image blocks. Each column of edge image is encoded by run-length encoding algorithm Second step, we detect the staff line using by Stable Path algorithm and removal the staff line using by adaptive Line Track Height algorithm which is to track the staff lines positions. The result has shown that robust and accurate estimation is possible even in complex background cases.
Å°¿öµå(Keyword) ¾Çº¸ÀνĠ  ¿À¼± µÎ²²   ¿À¼± °£°Ý   ·± ±æÀÌ   ¸ð¹ÙÀÏ   Music Score Recognition   Staff Line Height   Run Length   Mobile  
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