KR102053099B1 - 어라운드 뷰 모니터링 시스템 및 그것의 동작 방법 - Google Patents
어라운드 뷰 모니터링 시스템 및 그것의 동작 방법 Download PDFInfo
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Abstract
Description
도 1은 본 발명의 실시 예에 따른 AVM(around view monitoring) 시스템(10)을 예시적으로 보여주는 도면이다.
도 2는 본 발명의 실시 예에 따른 AVM 시스템(10)의 단일 시야각 기준으로 AVM 영상을 표시하는 방법을 개념적으로 보여주는 도면이다.
도 3은 본 발명의 실시 예에 따른 AVM 시스템(10)에서 시야 각 차이로 발생하는 연결 부위 사각지대를 회피하는 것을 보여주는 도면이다.
도 4는 본 발명의 실시 예에 따른 AVM 시스템(10)의 중복 영역 출력 방법을 예시적으로 보여주는 도면이다.
도 5는 본 발명의 실시 예에 따른 AVM 시스템(10)에서 중복 연결 부분의 왜곡 보정 정도를 조정하는 방법을 예시적으로 보여주는 도면이다.
도 6는 본 발명의 실시 예에 따른 가변 비율 왜곡 보정 방법을 예시적으로 보여주는 도면이다.
도 7은 본 발명의 실시 예에 따른 AVM 시스템(10)의 동작 방법을 예시적으로 보여주는 흐름도이다.
110, 120, 130, 140: 카메라
200: 영상 신호 처리 장치
300: 디스플레이 장치
Claims (14)
- 어라운드 뷰 모니터링(around view monitoring; AVM) 시스템의 동작 방법에 있어서:
차량의 서로 다른 위치들에 배치된 이미지 센서들로부터 영상 데이터 획득하는 단계;
영상 개선을 위하여 상기 영상 데이터에 대하여 영상 처리를 수행하는 단계;
상기 처리된 영상 데이터에 대하여 렌즈 왜곡 보정을 수행하는 단계;
상기 보정된 영상 데이터로부터 중복 영역을 검출하는 단계;
상기 검출된 중복 영역이 영상 합성시 중첩되지 않도록 단일 시야각 영상 데이터를 합성하는 단계; 및
상기 합성된 영상 데이터를 출력하는 단계를 포함하고,
상기 영상 데이터를 합성하는 단계는,
상기 중복 영역 중에서 시야각 기준 영상을 선택하는 단계; 및
상기 시야각 기준 영상을 이용하여 영상 데이터를 합성하는 단계를 포함하는 방법. - 제 1 항에 있어서,
상기 차량의 서로 다른 위치들은, 전방, 후방, 좌측, 우측을 포함하는 것을 특징으로 하는 방법. - 제 1 항에 있어서,
상기 렌즈 왜곡 보정을 수행하는 단계는,
상기 영상 데이터에 대한 영상 중심을 설정하는 단계;
렌즈 왜곡 보정율 함수의 계수를 설정하는 단계;
상기 설정된 계수에 대응하는 가변 비율에 따라 상기 영상 데이터의 수평 영상 보간을 수행하는 단계; 및
상기 영상 데이터에 대한 수직 영상 보간을 수행하는 단계를 포함하는 방법. - 제 1 항에 있어서,
상기 검출된 중복 영역이 영상 합성시 중첩되지 않도록 영상 출력 방법을 선택하는 단계를 더 포함하는 방법. - 제 4 항에 있어서,
영상 출력 방법을 선택하는 단계는,
상기 검출된 중복 영역 중에서 사전에 결정된 영역을 선택하는 단계를 포함하는 방법. - 제 5 항에 있어서,
상기 사전에 결정된 영역은 상기 AVM 시스템의 사용자에 의해 결정되는 것을 특징으로 하는 방법. - 삭제
- 제 1 항에 있어서,
상기 영상 데이터를 합성하는 단계는,
영상 데이터 사이의 경계면 부분은 상기 선택된 중복 영역의 기준 영상의 렌즈 왜곡 보정률을 조정함으로써 합성하는 단계를 포함하는 방법. - 제 1 항에 있어서,
상기 시야각 기준 영상을 선택하는 단계는,
조향정보 혹은 초음파 기반 물체 방향 정보를 근거로 하여 상기 시야각 기준 영상을 선택하는 단계를 포함하는 방법. - 제 9 항에 있어서,
상기 조향정보가 사전에 결정된 조향각 이상이라는 것을 지시할 때, 측방외각영역 표시를 확대하도록 상기 시야각 기준 영상이 선택되는 것을 특징으로 하는 방법. - 제 9 항에 있어서,
상기 초음파 기반 물체 방향 정보가 최근접 물체 위치가 중심 표시 영역이라는 것을 지시할 때, 상기 중심 표시 영역을 변경하기 위하여 상기 시야각 기준 영상이 선택되는 것을 특징으로 하는 방법. - 차량에 배치되고, 상기 차량의 주변 환경으로부터 영상 데이터를 획득하는 복수의 카메라들;
상기 복수의 카메라들로부터 영상 데이터를 수신 받고, 상기 수신된 영상 데이터를 영상 개선을 위하여 처리하고, 상기 처리된 영상 데이터의 렌즈 왜곡 보정을 수행하고, 상기 보정된 영상 데이터로부터 중복 영역을 검출하고, 영상 합성시 중복 영역의 시야각을 중첩시키지 않는 영상 출력 방법을 선택하고, 상기 선택된 영상 출력 방법에 따라 선택된 영상 데이터를 합성하는 영상 신호 처리 장치; 및
상기 영상 신호 처리 장치로부터 합성된 영상 데이터를 디스플레이하는 디스플레이 장치를 포함하고,
상기 영상 신호 처리 장치는, 상기 중복 영역 중에서 시야각 기준 영상을 선택하고, 상기 시야각 기준 영상을 이용하여 영상 데이터를 합성하는 것을 특징으로 하는 어라운드 뷰 모니터링(around view monitoring; AVM) 시스템. - 제 12 항에 있어서,
상기 영상 신호 처리 장치는, 상기 검출된 중복 영역에서 사전에 결정된 영역을 선택하고, 상기 선택된 중복 영역 기준 영상의 합성 경계면의 렌즈 왜곡 보정율을 조정하는 것을 특징으로 하는 AVM 시스템. - 제 13 항에 있어서,
상기 영상 신호 처리 장치는 조향정보 혹은 초음파 기반 물체 방향 정보를 이용하여 상기 중복 영역 기준 영상을 선택하는 것을 특징으로 하는 AVM 시스템.
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| US16/431,494 US11021104B2 (en) | 2018-06-07 | 2019-06-04 | Around view monitoring system and operating method thereof |
| CN201910492112.6A CN110576794B (zh) | 2018-06-07 | 2019-06-06 | Avm系统及其操作方法 |
| DE102019208338.2A DE102019208338B4 (de) | 2018-06-07 | 2019-06-07 | Rundumsicht-überwachungssystem und verfahren zum betrieb davon |
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| RU2811845C1 (ru) * | 2020-06-15 | 2024-01-18 | Чонгкинг Чанган Аутомобайл Ко., Лтд | Автомобильная самонастраивающаяся система датчиков на основе распознавания окружающей обстановки |
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| JP2024054743A (ja) * | 2022-10-05 | 2024-04-17 | トヨタ自動車株式会社 | 車両用画像表示装置、車両用画像表示プログラム及び車両用画像表示方法 |
| CN116416321A (zh) * | 2023-02-13 | 2023-07-11 | 星河智联汽车科技有限公司 | 一种车载全景环视自动标定方法、系统、设备及存储介质 |
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Also Published As
| Publication number | Publication date |
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| DE102019208338A1 (de) | 2019-12-12 |
| US11021104B2 (en) | 2021-06-01 |
| DE102019208338B4 (de) | 2022-03-17 |
| CN110576794A (zh) | 2019-12-17 |
| CN110576794B (zh) | 2023-01-31 |
| US20190375330A1 (en) | 2019-12-12 |
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