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rPPG

🌱피부색의 미세한 변화를 통해 사람의 심박수 측정

  • Webcam에서도 실행가능

baseline코드

  1. 얼굴 검출(ROI) haarcascade 사용
  2. RGB -> YCbCr 변경 후 신호가 가장 강한 green 컬러 추출 후 평균값 내기
  3. detrend 를 통하여 trend를 많이 받는 신호 제거
  4. band-pass filtering 을 통한 노이즈 제거
  5. DFT를 이용하여 심박수 측정을 위한 주파수 변환
  6. 가장 높은 값에 대한 심박수 측정

데이터셋 PURE 데이터셋 사용 https://www.tu-ilmenau.de/en/neurob/data-sets-code/pulse/

결과 그래프 및 값

최종결과

Accuracy 계산 RMSE 사용하여 각 window별 성능 분석

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