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Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)
Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)
Current Result Document :
5
/ 5
ÀÌÀü°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
Ä¿ÇÇ ÇÁ¸°Å͸¦ À§ÇÑ Ä¿ÇÇ ÀÜ Á¤¹Ð ÃøÀ§ ½Ã½ºÅÛ
¿µ¹®Á¦¸ñ(English Title)
High Accurate Cup Positioning System for a Coffee Printer
ÀúÀÚ(Author)
¸í»óÀÏ
±è¼º´ë
Sang-Il Myung
Sung-Dae Kim
±èÈñ½Â
ÀÌÀ缺
Heeseung Kim
Jaesung Lee
¿ø¹®¼ö·Ïó(Citation)
VOL 21 NO. 10 PP. 1950 ~ 1956 (2017. 10)
Çѱ۳»¿ë
(Korean Abstract)
Á¤¹Ð Ǫµå ÇÁ¸°Æà ºÐ¾ß¿¡¼ Ãâ·Â ´ë»ó¹°ÀÇ Á¤¹ÐÇÑ ÃøÀ§±â¼úÀº ´ë´ÜÈ÷ Áß¿äÇÏ´Ù. º» ³í¹®¿¡¼´Â ¿µ»ó󸮸¦ ÅëÇÏ¿© ¶ó¶¼ ¾ÆÆ® ÇÁ¸°ÅÍÀÇ Ä¿ÇÇ ÀÜÀ» Á¤¹ÐÇÏ°Ô ÃøÀ§ÇÏ´Â ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. ÇÁ¸°ÅÍ »ó´Ü Ãø¸é¿¡ ¼³Ä¡µÈ Ä«¸Þ¶ó ¼¾¼·ÎºÎÅÍ ¾òÀº À̹ÌÁö¸¦ Åõ¿µº¯È¯À» ÅëÇÏ¿© Top-View À̹ÌÁö·Î º¯È¯ÇÏ°í À̹ÌÁöÀÇ ¿¡Áö¸¦ °ËÃâ ÈÄ Circular Hough º¯È¯À» ÅëÇÏ¿© ÄÅÀÇ Áß½ÉÁ¡ ¹× ¹ÝÁö¸§À» °ËÃâÇÏ¿´´Ù. ¼º´É Æò°¡ °á°ú 0.1 ~ 0.125ÃÊÀÇ ¿µ»ó ó¸® ¼Óµµ, 92.26% ÀÇ ÄÅ °ËÃâ·üÀ» º¸¿© ¶ó¶¼ ¾ÆÆ® Ãâ·Â ¼Ò¿ä ½Ã°£¿¡ ¿µÇâÀ» °ÅÀÇ ÁÖÁö ¾ÊÀ¸¸é¼ °ÅÀÇ ¿Ïº®ÇÏ°Ô ÄÅÀ» °ËÃâÇÏ´Â °ÍÀ» È®ÀÎÇÏ¿´À¸¸ç, °ËÃâµÈ ÄÅÀÇ Áß½ÉÁ¡ ÁÂÇ¥ ¹× ¹ÝÁö¸§ °ªµéÀÌ Æò±ÕÀûÀ¸·Î 1.5mm À̳»ÀÇ ¸Å¿ì ÀûÀº ¿ÀÂ÷¸¦ º¸¿© º» ³í¹®ÀÌ ÇØ°áÇÏ°íÀÚ Çß´ø Àμâ À§Ä¡ ¿ÀÂ÷ ¹®Á¦¸¦ ÇØ°áÇÑ °ÍÀ¸·Î Æò°¡µÈ´Ù.
¿µ¹®³»¿ë
(English Abstract)
In food-printing field, precise positioning technique for a printing object is very important. In this paper, we propose cup positioning method for a latte-art printer through image processing. A camera sensor is installed on the upper side of the printer, and the image obtained from this is projected and converted into a top-view image. Then, the edge lines of the image is detected first, and then the coordinate of the center and the radius of the cup are detected through a Circular Hough transformation. The performance evaluation results show that the image processing time is 0.1 ~ 0.125 sec and the cup detection rate is 92.26%. This means that a cup is detected almost perfectly without affecting the whole latte-art printing time. The center point coordinates and radius values of cups detected by the proposed method show very small errors less than an average of 1.5 mm. Therefore, it seems that the problem of the printing position error is solved.
Å°¿öµå(Keyword)
Ŭ¶ó¿ìµå
»ç¹°ÀÎÅͳÝ
¿ø¿¥Åõ¿¥
MQTT ÇÁ·ÎÅäÄÝ
Ç÷§Æû
Cloud
IoT
oneM2M
MQTT Protocol
Platform
Ǫµå ÇÁ¸°ÆÃ
È£¸ð±×·¡ÇÇ
¿øÇü ÇãÇÁ º¯È¯
¿§Áö °ËÃâ
ÇÁ¸°ÅÍ ÃøÀ§±â¼ú
Food Printing
Homography
Circular Hough Transform
Edge Detection
Printer Positioning Technology
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