KR102420568B1 - 차량의 위치를 결정하는 방법 및 이를 위한 차량 - Google Patents
차량의 위치를 결정하는 방법 및 이를 위한 차량 Download PDFInfo
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- KR102420568B1 KR102420568B1 KR1020180049095A KR20180049095A KR102420568B1 KR 102420568 B1 KR102420568 B1 KR 102420568B1 KR 1020180049095 A KR1020180049095 A KR 1020180049095A KR 20180049095 A KR20180049095 A KR 20180049095A KR 102420568 B1 KR102420568 B1 KR 102420568B1
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- G—PHYSICS
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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Abstract
Description
도 2은 일부 실시예에 따른, 차량이 차량 주변의 상황에 따라, 카메라 또는 라이다를 선택적으로 이용하여 지도 내에서의 차량의 위치를 결정하는 방법을 나타내는 흐름도이다.
도 3a 내지 3b는 일부 실시예에 따른, 차량이 자율 주행을 위한 지도를 생성하는 방법을 나타내는 도면이다.
도 4a 및 4b는 일부 실시예에 따른, 차량이 지도 내의 도로면으로부터 차선 또는 노면 정보를 획득할 수 없는 경우, 차량의 위치를 결정하는 방법을 도시한다.
도 5a 및 도 5b는 다른 실시예에 따른, 차량이 지도 내의 도로면으로부터 차선 또는 노면 정보를 획득할 수 없는 경우, 차량의 위치를 결정하는 방법을 도시한다.
도 6a 및 6b는 일부 실시예에 따른, 차량이 차량 주변의 구조물에 대한 정보를 획득할 수 없는 경우, 차량의 위치를 결정하는 방법을 도시한다.
도 7a 및 7b는 일부 실시예에 따른, 차량이 기 설정된 상황에서, 카메라 및 라이다를 이용하여 차량의 위치를 결정하는 방법을 도시한다.
도 8은 일부 실시예에 따른, 차량이 현재 이용 중인 위치 센서의 식별 정보를 디스플레이하는 방법을 도시한다.
도 9a 및 9b는 일부 실시예에 따른, 차량이 지도 내의 객체의 신뢰도 인덱스에 기초하여 지도 내의 위치를 결정하는 방법을 도시한다.
도 10은 일부 실시예에 따른, 차량의 블록도를 도시한다.
도 11는 다른 실시예에 따른 차량의 블록도를 도시한다.
Claims (20)
- 2 차원으로 표현된 도로면 정보 및 3 차원으로 표현된 구조물 정보를 포함하는 지도를 저장하는 저장부;
차량 주변의 도로면에 대한 2 차원 이미지를 획득하는 카메라;
상기 차량 주변의 구조물에 대한 3 차원 공간 정보를 획득하는 라이다; 및
적어도 하나의 프로세서를 포함하고, 상기 적어도 하나의 프로세서는,
상기 카메라를 이용하여 상기 차량 주변의 도로면에 대한 2 차원 이미지를 획득하고, 상기 2 차원 이미지 내의 차선 또는 노면 정보를 상기 지도 내의 상기 2 차원 도로면 정보와 매핑함으로써, 상기 차량의 현재 위치에 대응하는 상기 지도 내의 위치를 식별하고,
상기 차량 주변에 대응하는 상기 지도 내의 도로면에 차선 또는 노면 표시가 없는 것으로 결정함에 따라, 상기 라이다를 위치 센서로써 결정하고,
상기 라이다를 상기 위치 센서로써 결정함에 따라, 상기 라이다를 이용하여 상기 차량 주변의 구조물에 대한 3 차원 공간 정보를 획득하고, 상기 3 차원 공간 정보를 상기 지도 내의 3 차원 구조물 정보와 매핑함으로써, 상기 차량의 현재 위치에 대응하는 상기 지도 내의 위치를 식별하고,
상기 식별된 지도 내의 위치에 기초하여 자율 주행을 수행하는, 자율 주행 차량.
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 적어도 하나의 프로세서는, 상기 지도 내에 표현된 상기 차량 주변의 도로면에 차선 또는 노면 표시가 있는지 여부 또는 상기 차량의 상기 지도 내의 위치 주변에 구조물이 있는지 여부를 판단함으로써, 상기 차량 주변의 도로면 또는 구조물에 관한 정보를 획득할 수 있는지 여부를 결정하는, 자율 주행 차량.
- 제 1 항에 있어서,
상기 적어도 하나의 프로세서는, 상기 카메라로부터 획득된 상기 차량 주변의 도로면에 대한 2 차원 이미지로부터 상기 도로면에 표시된 차선 또는 노면 표시를 획득할 수 있는지 여부를 판단함으로써, 상기 차량 주변의 도로면에 대한 관한 정보를 획득할 수 있는지 여부를 결정하는, 자율 주행 차량.
- 삭제
- 제 1 항에 있어서,
상기 적어도 하나의 프로세서는, 상기 2 차원 이미지로부터 상기 도로면에 표시된 차선 또는 노면 표시를 획득할 수 없는 것으로 결정함에 따라, 상기 라이다를 상기 위치 센서로서 결정하는, 자율 주행 차량.
- 제 1 항에 있어서,
상기 적어도 하나의 프로세서는, 상기 지도에 기초하여, 상기 차량 주변에 상기 라이다로 감지할 수 있는 구조물이 존재하는지 여부를 결정하고, 상기 차량 주변에 구조물이 없는 것으로 결정됨에 따라, 상기 카메라를 상기 위치 센서로써 결정하는, 자율 주행 차량.
- 제 1 항에 있어서,
상기 적어도 하나의 프로세서는, 상기 차량 주변의 도로면 및 구조물에 관한 정보를 함께 획득할 수 있고, 상기 차량의 주행 상황이 차선 변경, 회전 및 유턴 중 적어도 하나인 경우, 상기 카메라 및 라이다를 함께 상기 위치 센서로서 결정하는, 자율 주행 차량.
- 제 1 항에 있어서,
상기 지도는 상기 지도 내의 객체에 대응하여 상기 객체를 신뢰할 수 있는 정도를 나타내는 신뢰도 인덱스 정보가 결정된 지도이고,
상기 적어도 하나의 프로세서는, 상기 지도 내의 객체에 대응하는 신뢰도 인덱스에 기초하여, 상기 차량의 현재 위치에 대응하는 상기 지도 내의 위치를 결정하는, 자율 주행 차량.
- 2 차원으로 표현된 도로면 정보 및 3 차원으로 표현된 구조물 정보를 포함하는 지도를 저장하는 단계;
카메라를 이용하여 차량 주변의 도로면에 대한 2 차원 이미지를 획득하고, 상기 2 차원 이미지 내의 차선 또는 노면 정보를 상기 지도 내의 상기 2 차원 도로면 정보와 매핑함으로써, 상기 차량의 현재 위치에 대응하는 상기 지도 내의 위치를 식별하는 단계;
상기 차량 주변에 대응하는 상기 지도 내의 도로면에 차선 또는 노면 표시가 없는 것으로 결정함에 따라, 라이다를 위치 센서로써 결정하는 단계;
상기 라이다를 상기 위치 센서로써 결정함에 따라, 상기 라이다를 이용하여 상기 차량 주변의 구조물에 대한 3 차원 공간 정보를 획득하고, 상기 3 차원 공간 정보를 상기 지도 내의 3 차원 구조물 정보와 매핑함으로써, 상기 차량의 현재 위치에 대응하는 상기 지도 내의 위치를 식별하는 단계; 및
상기 식별된 지도 내의 위치에 기초하여 자율 주행을 수행하는 단계를 포함하는, 자율 주행 방법.
- 삭제
- 삭제
- 제 11 항에 있어서,
상기 자율 주행 방법은,
상기 지도 내에 표현된 상기 차량 주변의 도로면에 차선 또는 노면 표시가 있는지 여부 또는 상기 차량의 상기 지도 내의 위치 주변에 구조물이 있는지 여부를 판단함으로써, 상기 차량 주변의 도로면 또는 구조물에 관한 정보를 획득할 수 있는지 여부를 결정하는, 단계를 포함하는, 자율 주행 방법.
- 제 11 항에 있어서,
상기 자율 주행 방법은,
상기 카메라로부터 획득된 상기 차량 주변의 도로면에 대한 2 차원 이미지로부터 상기 도로면에 표시된 차선 또는 노면 표시를 획득할 수 있는지 여부를 판단함으로써, 상기 차량 주변의 도로면에 대한 관한 정보를 획득할 수 있는지 여부를 결정하는 단계를 포함하는, 자율 주행 방법.
- 삭제
- 제 11 항에 있어서,
상기 자율 주행 방법은,
상기 카메라로부터 획득된 2 차원 이미지로부터 상기 도로면에 표시된 차선 또는 노면 표시를 획득할 수 없는 것으로 결정함에 따라, 상기 라이다를 상기 위치 센서로서 결정하는 단계를 포함하는, 자율 주행 방법.
- 제 11 항에 있어서,
상기 자율 주행 방법은,
상기 지도에 기초하여, 상기 차량 주변에 상기 라이다로 감지할 수 있는 구조물이 존재하는지 여부를 결정하고, 상기 차량 주변에 구조물이 없는 것으로 결정됨에 따라, 상기 카메라를 상기 위치 센서로써 결정하는 단계를 포함하는, 자율 주행 방법.
- 제 11 항에 있어서,
상기 자율 주행 방법은,
상기 차량 주변의 도로면 및 구조물에 관한 정보를 함께 획득할 수 있고, 상기 차량의 주행 상황이 차선 변경, 회전 및 유턴 중 적어도 하나인 경우, 상기 카메라 및 라이다를 함께 상기 위치 센서로서 결정하는 단계를 포함하는, 자율 주행 방법.
- 제 11 항에 있어서,
상기 지도는 상기 지도 내의 객체에 대응하여 상기 객체를 신뢰할 수 있는 정도를 나타내는 신뢰도 인덱스 정보가 결정된 지도이고,
상기 자율 주행 방법은,
상기 지도 내의 객체에 대응하는 신뢰도 인덱스에 기초하여, 상기 차량의 현재 위치에 대응하는 상기 지도 내의 위치를 결정하는 단계를 더 포함하는, 자율 주행 방법.
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| CN201980028605.2A CN112055839B (zh) | 2018-04-27 | 2019-04-25 | 确定车辆的位置的方法和使用该方法的车辆 |
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| US11255974B2 (en) | 2022-02-22 |
| CN112055839B (zh) | 2024-07-12 |
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