Vehicle driver assistance apparatus for assisting a vehicle driver in maneuvering the vehicle relative to an object
First Claim
Patent Images
1. A vehicle driver assistance apparatus for a vehicle, the vehicle driver assistance apparatus comprising:
- an image capture device arranged to capture image data which is representative of an object in vicinity of the vehicle; and
an electronic controller arranged to (i) process the captured image data to identify an edge line associated with the object, (ii) process the captured image data further based upon the identified edge line to identify a distance between the vehicle and the edge line of the object, (iii) determine a first angle which is defined between an optical axis line extending from the image capture device and a first sight line extending from the image capture device to the identified edge line, (iv) determine a second angle which is defined between the optical axis line of the image capture device and a second sight line extending from the image capture device to the identified edge line after the vehicle has moved a distance towards the identified edge line of the object, (v) determine an angular difference between the first and second angles, and (vi) determine a remaining distance the vehicle is away from the identified edge line of the object based upon the calculated angular difference and the distance the vehicle has moved towards the identified edge line of the object.
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Abstract
A vehicle driver assistance apparatus is provided for a vehicle. The vehicle driver assistance apparatus comprises an image capture device arranged to capture image data which is representative of an object in vicinity of the vehicle. The vehicle driver assistance apparatus further comprises an electronic controller arranged to (i) process the captured image data to identify an edge line associated with the object, and (ii) process the captured image data further based upon the identified edge line to identify a distance between the vehicle and the edge line of the object.
47 Citations
15 Claims
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1. A vehicle driver assistance apparatus for a vehicle, the vehicle driver assistance apparatus comprising:
- an image capture device arranged to capture image data which is representative of an object in vicinity of the vehicle; and
an electronic controller arranged to (i) process the captured image data to identify an edge line associated with the object, (ii) process the captured image data further based upon the identified edge line to identify a distance between the vehicle and the edge line of the object, (iii) determine a first angle which is defined between an optical axis line extending from the image capture device and a first sight line extending from the image capture device to the identified edge line, (iv) determine a second angle which is defined between the optical axis line of the image capture device and a second sight line extending from the image capture device to the identified edge line after the vehicle has moved a distance towards the identified edge line of the object, (v) determine an angular difference between the first and second angles, and (vi) determine a remaining distance the vehicle is away from the identified edge line of the object based upon the calculated angular difference and the distance the vehicle has moved towards the identified edge line of the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- an image capture device arranged to capture image data which is representative of an object in vicinity of the vehicle; and
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10. A method of processing images having a first edge line of an object in vicinity of a vehicle to determine a distance between the vehicle and the object, the method comprising the steps of:
- receiving a first image containing the first edge line of the object in vicinity of the vehicle at a first time;
determining a first angle which is defined between an optical axis line extending from an image capture device and a first sight line extending from the image capture device to the first edge line;
receiving a second image containing the first edge line in vicinity of the vehicle at a second time which is after the first time;
determining a second angle which is defined between the optical axis line of the image capture device and a second sight line extending from the image capture device to the first edge line in the second image;
determining an angular difference between the first and second angles; and
determining the distance between the vehicle and the object based upon a comparison of the relative positions of the first edge line in the first image and the first edge line in the second image and the angular difference. - View Dependent Claims (11, 12, 13, 14, 15)
- receiving a first image containing the first edge line of the object in vicinity of the vehicle at a first time;
Specification