Method and apparatus for detecting object
First Claim
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1. An apparatus for detecting an object around a vehicle comprising:
- a vehicle positioning device operable to detect a vehicle position;
a database, the database including three-dimensional geographical data;
an area defining device operable to utilize the three-dimensional geographical data to define an area for detecting a target;
object detecting device operable to measure a distance between a vehicle position and an object and determine whether the object is within the area defined by the area defining unit; and
an output device operable to identify if the object detecting device has detected an object within the area.
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Abstract
A method and apparatus for detecting an object on a road around a vehicle. The method includes referring to three-dimensional geographical data, calculating a distance DA to a detecting object BLD in a 360 degree range, defining an area for the detecting target by the distance DA, measuring a distance DB to the object BLD and an object OBL in the 360 degree range when the vehicle travels, determining that the object is present on a road around the vehicle when DB<DA, and outputting the determination result.
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Citations
18 Claims
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1. An apparatus for detecting an object around a vehicle comprising:
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a vehicle positioning device operable to detect a vehicle position;
a database, the database including three-dimensional geographical data;
an area defining device operable to utilize the three-dimensional geographical data to define an area for detecting a target;
object detecting device operable to measure a distance between a vehicle position and an object and determine whether the object is within the area defined by the area defining unit; and
an output device operable to identify if the object detecting device has detected an object within the area. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for detecting an object on a road around a vehicle comprising the acts of:
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providing a vehicle;
providing a database, the database including three-dimensional geographical data;
calculating a first distance, the first distance relating to a position of the vehicle and a first object;
utilizing the first distance to define an area for detecting a target;
measuring a second distance, the second distance relating to a position of the vehicle and a second object;
determining that the second object is an obstruction if the second object is in the area for detecting a target; and
outputting an indication that the second object is an obstruction. - View Dependent Claims (8, 9, 10, 11, 12)
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13. An apparatus for detecting an object on a road around a vehicle comprising:
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a vehicle positioning device operable to detect a vehicle position;
a geographical database containing geographical data;
a radar device operable to emit a radio beam, receive radio waves reflected from an object, and detect a position of the object; and
an obstruction detecting and controlling device operable to gather geographical data from the geographical database, identify a vehicle position in which the sensitivity of the radar device should be changed, and instruct the radar device to change its sensitivity. - View Dependent Claims (14, 15, 16)
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17. A method for detecting an object on a road around a vehicle, comprising the acts of:
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providing a radar device operable to emit a radio beam and receive radio waves reflected from an object;
providing geographical data;
identifying a first location, the first location corresponding to a vehicle position for changing the sensitivity of the radar;
utilizing the geographical data to determine if the vehicle has reached the first location;
instructing the radar device to change its sensitivity when the vehicle reaches the first location. - View Dependent Claims (18)
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Specification