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

專(zhuān)利號(hào)
US11176685B2
公開(kāi)日期
2021-11-16
申請(qǐng)人
Hangzhou Hikrobot Technology Co., Ltd（CN Zhejiang）
發(fā)明人
Yuanji Chen; Pinjiang He; Wencong Zhang
IPC分類(lèi)
G06T7/246; G06T7/80; G06T7/73; H04N5/225; H04N5/235
技術(shù)領(lǐng)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(shuō)明書(shū)

The device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 8. The implementation principle and technical effects are similar, and are not repeated herein.

Eleventh Embodiment

This embodiment is applicable to the case where the line lining the lens of the first image capturing module and the lens of the second image capturing module is parallel or nearly parallel to the direction of motion of the object, namely the case where the distance h between the first image capturing module and the object and the distance H between the lens of the second image capturing module and the object are equal or nearly equal to each other.

The structure of the device of this embodiment is basically the same as that of the eighth embodiment, except that the control module 19 determines the line frequency for image capturing on the object according to the number of pixels that the image of the object passes through on the imaging plane of the first image capturing module per unit time, by determining the line frequency for image capturing Q on the object according to the following formula:
Q=Vp*(p2/f2)*(f1/p1);

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