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Vehicle image correction method and system

A technology for image correction and vehicle use, which is applied to camera devices and other directions, and can solve problems such as high cost

Active Publication Date: 2021-09-07
CHIMEI MOTOR ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some methods, dual cameras are used to obtain depth of field information, but the setup of dual cameras has a high cost, so how to use a single camera can calculate the information required by the forward collision warning system and the lane departure warning system. Issues of concern to those skilled in the art

Method used

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  • Vehicle image correction method and system
  • Vehicle image correction method and system

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Embodiment Construction

[0058] The terms "first", "second", ... etc. used in the present invention do not specifically refer to a sequence or sequence, but are only used to distinguish elements or operations described with the same technical terms. In addition, as used herein, "coupled" may mean that two elements are electrically connected directly or indirectly. That is to say, when "the first item is coupled to the second item" is described below, other items may also be disposed between the first item and the second item.

[0059]The vehicle image correction method proposed by the embodiment of the present invention can be used in a forward collision warning system (forward collision warning system, FCWS) and / or a lane departure warning system (lane departure warning system, LDWS), and can be obtained by a single image capture device 3-degree spatial distance, and can be used to modify parameters such as the height and inclination angle of the image capture device.

[0060] figure 1 It is a sche...

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Abstract

The present invention proposes a vehicle image correction method, comprising: intercepting a first image of a target at a first distance by an image capture device, and capturing a second image of a target at a second distance, wherein the target has multiple Vertical pattern; capturing multiple first feature points corresponding to the vertical pattern in the first image, and capturing multiple second feature points corresponding to the vertical pattern in the second image; according to the first feature point and the second feature point The coordinates of the vanishing point are obtained; and the actual height of the image capture device is calculated according to the coordinates of the vanishing point and the actual height of the vertical pattern. Thereby, parameters can be automatically corrected.

Description

technical field [0001] The present invention relates to a vehicle image calibration method, and in particular to a vehicle image calibration method and system using a single image capture device and a target. Background technique [0002] Forward collision warning system (FCWS) and lane departure warning system (lane departure warning system, LDWS) are currently in increasing demand. Generally speaking, an image capture module can be used to capture images around the car. However, in order to judge the distance between the object in front of the car and the car or whether the car has deviated from the lane, the depth of field information is required. In some methods, dual cameras are used to obtain depth of field information, but the setup of dual cameras has a high cost, so how to use a single camera can calculate the information required by the forward collision warning system and the lane departure warning system. Issues of concern to those skilled in the art. Contents...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C11/02
Inventor 张嘉荧徐学贤黄天相萧嘉宏
Owner CHIMEI MOTOR ELECTRONICS