Title:
【発明の名称】移動車の環境認識装置
Document Type and Number:
Japanese Patent JP3020634
Kind Code:
B2
Abstract:
PURPOSE:To easily recognize environments existing in the front of a certain vehicle such as the movement of its forward vehicle and the structure of a road together with image information. CONSTITUTION:A camera 1 picks up an environment existing in the front of a certain vehicle as an image and sends the image to an environment recognizing device 2 as image information. The device 2 recognizes the environment based upon the inputted image information to extract its forward vehicle, extracts the feature point of the forward vehicle and sends the extracted result to a CPU 3. The CPU 3 controls the vertical and horizontal drive of a universal head 6 so as to direct the camera 4 to the feature point extracted by the device 2. The image picked up by the camera 4 is inputted to a feature point tracking device 7 and the CPU 3 sends a signal to a lens controller 9 to control the zooming of a lens mechanism 5 for the camera 4 and adjusts the focus of the mechanism 5 so as to calculate a distance up to the feature point. Then the CPU 3 calculates the positional change and speed of the forward vehicle as the movement of the forward vehicle based upon the vertical and horizontal movement of the camera 4 to the feature point and the focal distance of the lens mechanism 5.
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Inventors:
Shoichi Maruya
Hiroyuki Takahashi
Satoshi Morita
Hiroyuki Takahashi
Satoshi Morita
Application Number:
JP7073491A
Publication Date:
March 15, 2000
Filing Date:
April 03, 1991
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
G05D1/02; B60R21/00; (IPC1-7): G05D1/02
Domestic Patent References:
| JP447400A | ||||
| JP3271905A | ||||
| JP3225513A | ||||
| JP647109A | ||||
| JP63271508A | ||||
| JP6379005A |
Attorney, Agent or Firm:
Yasunori Otsuka (1 person outside)