Cruising lane recognition in a tunnel
AssigneeDenso Corporation
InventorShunsuke Suzuki
Life of this patent
Estimating the term…
Abstract
A cruising lane recognition device is mounted on a vehicle. The device includes a camera, a storing unit, and a processor. The camera captures an image of an area including the road ahead of the vehicle. The processor is configured to detect luminances within the images, recognize a cruising lane-marker of the road in the images on the basis of the luminances which are detected, a store, in the storing unit, a position of the cruising lane-marker that is recognized, detect that the vehicle is in a tunnel, and set a virtual cruising lane-marker on the basis of an archival record of the position of a cruising lane-marker which has been stored in the storing unit when the cruising lane-marker cannot be recognized and the vehicle has been detected to exist in a tunnel.
Claims9
A cruising lane recognition device to be mounted on a vehicle comprising:
- a camera which captures an image of an area including the road ahead of a vehicle;
- a storing unit;
- and
- a processor, the processor being configured to:
- detect luminances within the images;
- recognize a cruising lane-marker of the road in the photographic images on the basis of the luminances which are detected;
- store, in the storing unit, a position of the cruising lane that is recognized;
- detect that the vehicle is in a tunnel;
- and
- set a virtual cruising lane-marker on the basis of an archival record of the position of a cruising lane-marker which has been stored in the storing unit when the cruising lane-marker cannot be recognized and when the vehicle has been detected to exist in the tunnel;
- the cruising lane recognition device further comprising at least one of:
- a navigation system mounted on the vehicle, wherein the navigation system determines that the vehicle is in the tunnel based on map information therein and a present position of the vehicle;
- and
- an image processing engine control unit, wherein the image processing engine control unit determines that the vehicle is in the tunnel based on geometry patterns of a ceiling of the tunnel which are stored in advance.
A cruising lane recognition device to be mounted on a vehicle comprising:
- a camera which captures an image of an area including the road ahead of a vehicle;
- a storing unit;
- and
- a processor, the processor being configured to:
- detect luminances within the images;
- recognize a cruising lane-marker of the road in the photographic images on the basis of the luminances which are detected;
- store, in the storing unit, a position of the cruising lane that is recognized;
- detect that the vehicle is in a tunnel;
- and
- set a virtual cruising lane-marker on the basis of an archival record of the position of a cruising lane-marker which has been stored in the storing unit when the cruising lane-marker cannot be recognized and when the vehicle has been detected to exist in the tunnel,
- wherein in a case where both of the left side cruising lane-marker and the right side cruising lane-marker are not recognized, the processer is further configured to set virtually a pair of the left side cruising lane-marker and the right side cruising lane-marker such that the set pair of cruising lane-markers straddle the vehicle, so as to have the left side cruising lane-marker and the right side cruising lane-marker by a certain distance.
Dependencies are inferred from the claim text.