A novel calibration method to determine all the primitive parameters of the stereo visual sensor with free-position planar pattern is proposed.

提出一种基于任意位姿平面靶标的立体视觉传感器标定新方法。

youdao

He found he could get patients to talk just by putting them in a relaxing position (the couch) and encouraging them to say whatever came into their heads (free association).

他发现如果把患者放置在一个放松和舒服的位置(例如放在沙发上)，然后鼓励他们自由思索并说出地进入他们头脑里的任何东西(自由联想)。

youdao

To be engaging with your audience you have to be free to walk among them if you can, or at least vary your position on stage, so that you will appear to be approachable to everyone in the room.

要想与观众营造融洽的氛围，你可以走到观众中间与观众互动，最起码你得经常更换你在讲台上的位置。 这样观众才会觉得你平易近人。

youdao

Nobody argues that the free-market position is for the government to stop fixing potholes.

FORBES: "Intervention" Is Inevitable When The Government Has A Monopoly

France were arguably the better team and might have snatched the points with a free-kick from a promising position deep into injury-time, but substitute Thierry Henry's strike hit the wall.

BBC: Uruguay 0-0 France

The home side won a free-kick in a dangerous position in the third minute of injury-time but the hitherto impressive Stuart King completely overhit his delivery - much to Newry's relief.

BBC: Ballymena United 2-3 Newry City