According to the present invention, a fever patient monitoring system using a multiple-band camera comprises: a camera unit to photograph a subject and generate a visible light image and an infrared image of the subject to transmit the visible light image and the infrared image to a server and a management server to determine a photographing angle of the subject from the visible light image and the infrared image received from the camera unit, determine feature points making up the face of the subject to detect a face area, detect a worn accessory, and extract the age and sex of the subject to generate a pixel set of the face area, calculate infrared practical resolution based on the pixel set of the face area to discard an image if the calculated infrared practical resolution of the face area is lower than or equal to a threshold and generate a pixel value two-dimensional distribution based on the pixel set of the face area, the feature points of the face, and a reference temperate if the calculated infrared practical resolution of the face area is higher than or equal to the threshold, convert the pixel value two-dimensional distribution in accordance with a face type of the subject into a reference face shape, then project the reference face shape onto a two dimensional plane, receive meta information such as a shape-converted temperature distribution, an error property for each portion, a surrounding temperature, and the age of the subject to calculate an estimated temperature, and compare the extracted estimated temperature with a body temperature to provide a warning in case of excess.COPYRIGHT KIPO 2017본 발명 복수 대역 카메라를 이용한 발열환자 감시 시스템은 피사체를 촬영하고 피사체의 가시광 이미지와 적외선 이미지를 생성하여 서버로 전송하는 카메라부와 카메라부로부터 수신되는 가시광 이미지와 적외선 이미지로부터 피사체의 촬영 각도를 결정하고, 피사체의 얼굴을 구성하는 특징점을 결정하여 얼굴 영역을 검출하고 착용 액세서리를 검출하며 피사체의 나이 및 성별을 추출하여 얼굴 영역의 구성 화소 집합을 생성하고, 상이 얼굴 영역 구성 화소 집합을 기초로 적외선 실요 해상도를 산출하여 상기 산출된 얼굴 영역의 적외선 실요 해상도가 트레쉬 홀드 이하는 경우에는 이미지를 버리고 이상인 경우 상기 산출된 얼굴 영역 구성 화소 집합, 얼굴구성 특징점 및 참조