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Image collection control method and device, and vehicle chassis image obtaining system

專利號
US11176685B2
公開日期
2021-11-16
申請人
Hangzhou Hikrobot Technology Co., Ltd（CN Zhejiang）
發(fā)明人
Yuanji Chen; Pinjiang He; Wencong Zhang
IPC分類
G06T7/246; G06T7/80; G06T7/73; H04N5/225; H04N5/235
技術領域
capturing,image,module,scan,line,camera,vehicle,speed,object,chassis
地域： Zhejiang

摘要

Embodiments of a method and device for controlling image capturing and a system for acquiring an image of a chassis of a vehicle are provided, which relate to image capturing technology and can eliminate deformation of images occurred due to stretch or compression in image capturing. The system includes a speed measuring module, a control module, and a line scan camera. The speed measuring module measures the speed of the vehicle and transmits the measured speed of the vehicle to the control module. The control module determines line frequency for image capturing according to the speed of the vehicle, and controls the line scan camera to perform image capturing on the chassis of the vehicle with the line frequency.

說明書

As an optional implementation, the direction of motion of the vehicle is from the image capturing module towards the line scan camera 14. In other words, the vehicle moves from the speed measuring module 12 towards the line scan camera 14. As another optional implementation, the direction of motion of the vehicle is from the line scan camera 14 towards the speed measuring module 12.

When the direction of motion of the vehicle is from the speed measuring module 12 towards the line scan camera 14 or when the direction of motion of the vehicle is from the line scan camera 14 towards the speed measuring module 12, H=h. In the system for acquiring an image of a chassis of a vehicle shown in FIG. 2, the arrow points the direction of motion of a vehicle 1, and the arrow b points the direction from the speed measuring module 12 to the line scan camera 14. The system for acquiring an image of a chassis of a vehicle shown in FIG. 2 may further include a fill light 2 and an image capturing module 3.

The direction indicated by the arrow a is the same as the direction indicated by the arrow b, and the distance h between the speed measuring module 12 and the vehicle 1 is equal to the distance H between the line scan camera 14 and the vehicle 1. At this point, in combination with formula (4), the control module 13 can determine the line frequency for image capturing Q as:
Q=Vp*(p2/f2)*(f1/p1)??(7)

權利要求

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