KR102591758B1 - 차량 내 승객 감지장치 및 그 제어방법 - Google Patents
차량 내 승객 감지장치 및 그 제어방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 차량 내 승객 감지장치에서 탑승객을 검출하기 위한 관심영역을 나타낸 도면이다.
도 3은 본 발명의 일 실시예에 따른 차량 내 승객 감지장치에서 탑승객을 검출하기 위한 신경망 구조를 나타낸 도면이다.
도 4는 본 발명의 일 실시예에 따른 차량 내 승객 감지장치에서 특징정보를 융합하여 탑승객을 검출하는 과정을 나타낸 도면이다.
도 5는 본 발명의 일 실시예에 따른 차량 내 승객 감지장치의 제어방법을 설명하기 위한 흐름도이다.
30 : 제어부 40 : 경고부
50 : 무선통신부 60 : 차량제어장치
Claims (19)
- 차량 내부 상부에서 좌석을 촬영하는 IR 카메라;
상기 차량의 주행상태를 감지하는 주행상태 감지부;
승객의 방치상태를 경고하는 경고부; 및
상기 주행상태 감지부로부터 주행상태를 입력받아 주정차 상황일 때 상기 IR 카메라로부터 상기 차량 내부의 촬영영상을 입력받아 관심영역으로 세분화하고, 상기 관심영역 별로 전용 신경망을 통해 탑승객의 특징을 추출하여 전좌석의 상기 탑승객을 검출한 후 방치승객 여부에 따라 상기 경고부를 통해 경보를 출력하는 제어부;를 포함하되,
상기 제어부는, 카시트를 사용하지 않는 승객 및 정위치, 정자세로 앉은 승객을 검출하기 위한 정상 관심영역과, 비정상 자세 및 비 정위치의 승객을 검출하기 위한 비정상 관심영역, 및 카시트를 이용하는 승객을 검출하기 위한 유아 관심영역으로 세분화하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 제 1항에 있어서, 상기 IR 카메라는, 광시야각의 어안렌즈를 포함하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 삭제
- 제 1항에 있어서, 상기 제어부는, 상기 촬영영상에서 각 좌석별 이미지를 설정된 정상 사이즈로 정규화하여 상기 정상 관심영역을 설정하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 제 1항에 있어서, 상기 제어부는, 상기 촬영영상에서 뒷좌석 이미지를 설정된 비정상 사이즈로 정규화하여 상기 비정상 관심영역을 설정하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 제 1항에 있어서, 상기 제어부는, 상기 촬영영상에서 뒷좌석 이미지를 설정된 유아 사이즈로 정규화하여 상기 유아 관심영역을 설정하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 제 1항에 있어서, 상기 제어부는, 콘볼루션 신경망을 적용하여 상기 관심영역 별로 상기 탑승객의 특징을 추출한 후 완전연결 신경망을 적용하여 추출된 특징의 연관성 정보를 융합하여 상기 탑승객을 검출하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 제 1항에 있어서, 상기 제어부는, 상기 탑승객을 검출하여 운전자가 탑승하지 않은 상태에서 타 좌석의 상기 탑승객이 설정시간 이상 검출될 경우 상기 방치승객으로 판단하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 제 1항에 있어서, 상기 제어부에서 상기 방치승객이 검출된 경우 운전자의 이동통신 단말기로 상기 경보를 출력하기 위한 무선통신부;를 더 포함하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 제 1항에 있어서, 상기 제어부는, 차량제어장치에 상기 경보를 출력하여 공조장치를 작동시키도록 하는 것을 특징으로 하는 차량 내 승객 감지장치.
- 제어부가 주행상태를 입력받아 주정차 상황인 경우 IR 카메라로부터 차량 내부의 촬영영상을 입력받는 단계;
상기 제어부가 상기 촬영영상을 관심영역으로 세분화하고, 상기 관심영역 별로 전용 신경망을 통해 탑승객의 특징을 추출하여 전좌석의 상기 탑승객을 검출하는 단계;
상기 제어부가 상기 탑승객을 검출한 후 방치승객 여부를 판단하는 단계; 및
상기 제어부가 상기 방치승객의 판단여부에 따라 경보를 출력하는 단계;를 포함하되,
상기 탑승객을 검출하는 단계에서 상기 관심영역으로 세분화할 때, 상기 제어부가 카시트를 사용하지 않는 승객 및 정위치, 정자세로 앉은 승객을 검출하기 위한 정상 관심영역과, 비정상 자세 및 비 정위치의 승객을 검출하기 위한 비정상 관심영역, 및 카시트를 이용하는 승객을 검출하기 위한 유아 관심영역으로 세분화하는 것을 특징으로 하는 차량 내 승객 감지장치의 제어방법.
- 삭제
- 제 11항에 있어서, 상기 정상 관심영역은, 상기 제어부가 상기 촬영영상에서 각 좌석별 이미지를 설정된 정상 사이즈로 정규화하여 상기 정상 관심영역을 설정하는 것을 특징으로 하는 차량 내 승객 감지장치의 제어방법.
- 제 11항에 있어서, 상기 비정상 관심영역은, 상기 제어부가 상기 촬영영상에서 뒷좌석 이미지를 설정된 비정상 사이즈로 정규화하여 상기 비정상 관심영역을 설정하는 것을 특징으로 하는 차량 내 승객 감지장치의 제어방법.
- 제 11항에 있어서, 상기 유아 관심영역은, 상기 제어부가 상기 촬영영상에서 뒷좌석 이미지를 설정된 유아 사이즈로 정규화하여 상기 유아 관심영역을 설정하는 것을 특징으로 하는 차량 내 승객 감지장치의 제어방법.
- 제 11항에 있어서, 상기 탑승객을 검출하는 단계는, 상기 제어부가 콘볼루션 신경망을 적용하여 상기 관심영역 별로 탑승객의 특징을 추출한 후 완전연결 신경망을 적용하여 추출된 특징의 연관성 정보를 융합하여 상기 탑승객을 검출하는 것을 특징으로 하는 차량 내 승객 감지장치의 제어방법.
- 제 11항에 있어서, 상기 방치승객을 여부를 판단하는 단계는, 상기 제어부가 상기 탑승객을 검출하여 운전자가 탑승하지 않은 상태에서 타 좌석의 상기 탑승객이 설정시간 이상 검출될 경우 상기 방치승객으로 판단하는 것을 특징으로 하는 차량 내 승객 감지장치의 제어방법.
- 제 11항에 있어서, 상기 경보를 출력하는 단계는, 상기 제어부가 무선통신부를 통해 운전자의 이동통신 단말기로 상기 경보를 출력하는 단계를 포함하는 것을 특징으로 하는 차량 내 승객 감지장치의 제어방법.
- 제 11항에 있어서, 상기 경보를 출력하는 단계는, 상기 제어부가 차량제어장치에 상기 경보를 출력하여 공조장치를 작동시키는 단계를 포함하는 것을 특징으로 하는 차량 내 승객 감지장치의 제어방법.
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CN201911077347.5A CN111152744B (zh) | 2018-11-07 | 2019-11-06 | 车载乘客检测设备及其控制方法 |
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CN110758241B (zh) * | 2019-08-30 | 2022-03-11 | 华为技术有限公司 | 乘员保护方法及装置 |
KR102514574B1 (ko) * | 2020-12-30 | 2023-03-30 | 아진산업(주) | 차량 내 승객 검출 장치 및 그 방법 |
US11954180B2 (en) * | 2021-06-11 | 2024-04-09 | Ford Global Technologies, Llc | Sensor fusion area of interest identification for deep learning |
CN115082965B (zh) * | 2022-07-12 | 2025-07-11 | 南京云创大数据科技股份有限公司 | 一种基于图像分割技术的地铁车厢人员违规行为检测方法 |
US11810439B1 (en) * | 2023-06-06 | 2023-11-07 | King Faisal University | Student safety tracking system |
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