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Device for monitoring area around vehicle

A monitoring device and vehicle technology, which is applied in the traffic control system of road vehicles, image data processing, traffic control system, etc., can solve the problems of long time spent, untimely calculation, long sampling period, etc.

Inactive Publication Date: 2012-04-18
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In addition, if the area period of the time-series image is set to a constant time appropriate to the situation in which the object is far from the vehicle in consideration of the situation in this way, the distance between the object and the vehicle that is closer to the vehicle will be calculated. Such a sampling period is too long, which may cause the time taken to calculate the distance between the object closer to the vehicle and the vehicle to be too long, and cannot be calculated in time

Method used

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  • Device for monitoring area around vehicle
  • Device for monitoring area around vehicle
  • Device for monitoring area around vehicle

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Embodiment Construction

[0028] Refer below Figure 1 to Figure 11 Specific embodiments of the present invention will be described. figure 1 It is a structural block diagram of the vehicle surrounding monitoring device of the present invention, and the vehicle surrounding monitoring device of the present invention is composed of an image processing unit 1 . The image processing unit 1 is connected with: a pair of left and right infrared cameras (corresponding to the imaging device in the present invention) 2R, 2L for capturing images of the front of the vehicle 10; a yaw rate sensor 3 for detecting the yaw rate of the vehicle 10 Detect the vehicle speed sensor 4 (equivalent to the vehicle speed detection mechanism in the present invention) of the traveling speed of vehicle 10; Detect whether there is the brake sensor 5 of the braking operation of vehicle 10; Utilize the loudspeaker 6 that sound reminds the driver to notice; And A head-up display (display device) 7 displays images obtained by the infr...

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Abstract

A device for monitoring the area around a vehicle is provided with: a first distance calculation means (25) which calculates the distance between the vehicle (10) and an object, using the parallax gradient of the image portions of the same object among a plurality of images captured by means of infrared cameras (2R, 2L) at different times within a predetermined sampling period; a vehicle speed sensor (4) which detects the speed of the vehicle (10); and a sampling period setting means (23) which sets a sampling period to be shortened with the increase of the speed of the vehicle (10).

Description

technical field [0001] The present invention relates to a vehicle surrounding monitoring device, which monitors the surrounding of the vehicle based on an image captured by a photographing mechanism equipped on the vehicle. Background technique [0002] Such a vehicle surrounding monitoring device is known in the prior art (for example, refer to Japanese Patent Laid-Open Publication No. 2007-213561), which is based on the time obtained by a camera equipped on the vehicle. For the sequential images, the rate of change in the size of the image portion of the same object is calculated, and the distance between the object and the vehicle is calculated based on the rate of change. [0003] In the aforementioned Japanese Patent Laid-Open Publication No. 2007-213561, there is no description regarding the specific setting of the sampling period of the image used for calculating the rate of change of the image portion of the object. In addition, when calculating the distance using t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/16G06T1/00
CPCG06T2207/10016G06T2207/30261G06T7/0075G08G1/00G06K9/00805G08G1/09G08G1/166G06T7/593G06V20/58
Inventor 相村诚长冈伸治
Owner HONDA MOTOR CO LTD