NONE-CONTACT MEASUREMENT METHOD OF VITAL SIGNALS AND DEVICE USING THE SAME

A non-contact measurement method of a vital signal includes a step of continuously photographing the face image of a person for a predetermined period of time, a step of selecting a region of interest of the face image of the person and separating the region of interest into RGB (Red Green Blue) cha...

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Bibliographic Details
Main Authors LIM, KI MOO, IMAN RAHMANSYAH TAYIBNAPIS, KIM, YOO SEOK, KIM, MYONG IL
Format Patent
LanguageEnglish
Korean
Published 23.05.2017
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:A non-contact measurement method of a vital signal includes a step of continuously photographing the face image of a person for a predetermined period of time, a step of selecting a region of interest of the face image of the person and separating the region of interest into RGB (Red Green Blue) channels; a step of adjusting a signal-to-noise ratio (SNR) by assigning a non-linear scale factor to each channel of the RGB channels; and a step of calculating a heart rate based on a signal to which the non-linear scale factor is applied. So, the body temperature of the person can be measured by using an infrared sensor. 비접촉 방식의 생체신호 측정방법은, 사람의 안면 이미지를 일정 시간동안 연속적으로 촬영하는 단계와, 사람의 안면 이미지 중 관심영역을 선택한 후 RGB(Red Green Blue) 채널로 분리하는 단계와, 상기 RGB 채널 중 각 채널에 비선형 스케일 팩터(Scale Factor)를 부여하여 신호대 잡음비(SNR)를 조절하는 단계와, 상기 비선형 스케일 팩터(Scale Factor)가 부여된 신호를 토대로 심장 박동수를 산출하는 단계를 포함한다.
Bibliography:Application Number: KR20150159643