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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > 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 :

ÇѱÛÁ¦¸ñ(Korean Title) µ¶¸³¼ººÐ ºÐ¼®¹ý°ú ÇÊÅ͹ðÅ©¸¦ ±â¹ÝÇÑ PPG ½ÅÈ£ÀÇ µ¿ÀâÀ½Á¦°Å ÇÊÅÍ ¼³°è
¿µ¹®Á¦¸ñ(English Title) Design of Filter to Remove Motionartifacts of Photoplethysmography Based on Indepenent Components Analysis and Filter Banks
ÀúÀÚ(Author) ÀÌÁÖ¿ø   À̺´·Î   Ju-won Lee   Byeong-ro Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 20 NO. 08 PP. 1431 ~ 1437 (2016. 08)
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(Korean Abstract)
¸ð¹ÙÀÏ Çコ ÀåÄ¡¿¡¼­ PPG ½ÅÈ£¸¦ ÀÌ¿ëÇÏ¿© ½É¹Ú¼ö¸¦ ÃøÁ¤ÇÔ¿¡ ÀÖ¾î »ç¿ëÀÚÀÇ ¿òÁ÷ÀÓÀÎ µ¿ÀâÀ½¿¡ µû¶ó ±× ¼º´ÉÀÌ ÇöÀúÇÏ°Ô ¶³¾îÁø´Ù. ÀÌÀÇ ¿øÀÎÀº PPG ½ÅÈ£ÀÇ ÁÖÆļö ´ë¿ª°ú µ¿ÀâÀ½ÀÇ ÁÖÆļö ´ë¿ªÀÌ °ãÃÄÀֱ⠶§¹®ÀÌ°í, ÀϹÝÀûÀÎ ´ë¿ªÇÊÅͷδ µ¿ÀâÀ½À» Á¦°ÅÇϱⰡ ¾î·Æ´Ù. ÀÌ·¯ÇÑ ¹®Á¦Á¡ ÇØ°áÇϱâ À§ÇØ º» ¿¬±¸¿¡¼­´Â ÇÊÅ͹ðÅ©¿Í ICA¸¦ ÀÌ¿ëÇÏ¿© PPG ½ÅÈ£¿¡ Æ÷ÇԵǾî ÀÖ´Â µ¿ÀâÀ½ Á¦°Å ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈµÈ ¹æ¹ýÀ» °ËÁõÇϱâ À§ÇØ ÀÎÀ§ÀûÀ¸·Î ´Ù¾çÇÑ µ¿ÀâÀ½À» °¡ÇÏ¿© ±âÁ¸ÀÇ À̵¿Æò±ÕÇÊÅ͹ý°ú ICA¹ýÀÇ ½É¹Ú¼ö º¯È­¸¦ ºñ±³ Æò°¡¸¦ ÇÏ¿´´Ù. ÀÌ ½ÇÇèÀÇ °á°ú¿¡¼­ Á¦¾ÈµÈ ±â¹ýÀº µ¿ÀâÀ½ ȯ°æ¿¡¼­µµ ±âÁ¸ÀÇ À̵¿Æò±ÕÇÊÅÍ¿Í ICA º¸´Ù ½É¹Ú¼ö ¿ÀÂ÷°¡ ¸Å¿ì ³·°Ô ³ªÅ¸³µ´Ù. ÀÌ¿Í °°ÀÌ Á¦¾ÈµÈ ¹æ¹ýÀ» ÇコÄÉ¾î ´Ü¸»±â ¼³°è¿¡ Àû¿ëÇÑ´Ù¸é, º¸´Ù ¾ÈÁ¤ÀûÀÎ ½É¹Ú¼ö ÃøÁ¤ÀÌ °¡´ÉÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.

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(English Abstract)
In mobile healthcare device, when to measure the heart rate by using the PPG signal, its performance is reduced according to the motion artifacts that is the movement of user. This is because the frequency range of motion (0.01–10 Hz) and that of PPG signals overlap. Also, the motion artifacts cannot be rectified by general filters. To solve the problem, this paper proposes a method using filter banks and independent component analysis (ICA). To evaluate the performance of the proposed method, we were artificially applied various movements and compared heart rate errors of the moving average filter and ICA. In the experimental results, heart rate error of the proposed method showed very low than moving average filter and ICA. In this way, it is possible to measure stable heart rate if the proposed method is applied to the healthcare terminal design.
Å°¿öµå(Keyword) ±¤¿ëÀû ¸ÆÆÄ   ½É¹Ú¼ö   µ¶¸³¼ººÐºÐ¼®¹ý   ÇÊÅ͹ðÅ©   µ¿ÀâÀ½   Photoplethysmography   Heart Rate   Independent Components Analysis   Filter Bank   Motion Artifacts  
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