Title:
IMAGE PROCESSOR AND WARNING DEVICE AGAINST DOZE AT THE WHEEL USING THE SAME
Document Type and Number:
Japanese Patent JP3395344
Kind Code:
B2
Abstract:
PURPOSE: To provide an image processor capable of accurately detecting the position of the eyes and their opening and closing regardless of the angle of the face in the image data.
CONSTITUTION: The device is provided with a TV camera 21 picking up the image of the face, A/D converter 22 for A/D converting the image information of the TV camera 21, face width detection means 24 binarizing the A/D converted image signal and detecting the face width in the binarized image, eye position detection means 25 detecting the eye position from the processing result of the means 24 and setting the rectangular area corresponding to the eye position, and face tilting detection means 26 setting the prescribed area on both sides of the rectangular area of the eye, projecting the density in the horizontal direction of the face in a prescribed area, detecting the position of both ends of the eye, and detecting the tilt of the eye based on the position of both ends of the eye and detecting the tilt of the face according to it.
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Inventors:
Masayuki Kaneda
Application Number:
JP8164294A
Publication Date:
April 14, 2003
Filing Date:
April 20, 1994
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
G01B11/26; B60K28/06; B60R21/00; B60W30/00; G06T1/00; G08B21/00; G08B21/06; G08G1/09; G08G1/16; (IPC1-7): G08G1/16; B60K28/06; B60R21/00; G01B11/26; G06T1/00
Domestic Patent References:
JP4174309A | ||||
JP3252780A | ||||
JP339135A | ||||
JP3533A | ||||
JP449943A | ||||
JP5289739A | ||||
JP4174304A | ||||
JP332647A | ||||
JP468500A | ||||
JP5215531A | ||||
JP61223504A | ||||
JP4242106A |
Attorney, Agent or Firm:
Yoshihiko Izumi
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