| 摘要 |
In a work system which measures 3D information of a target object by a light-section method, high measurement precision is realized. The invention includes a robot arm, a hand position detection member which is arranged at the distal end portion of the robot arm, a slit laser projector which irradiates slit light, a camera which is fixed at a position independent of the robot arm, and senses an image of the target object, and a computer which calculates a light-section plane of the slit light based on a light-section line formed on the hand position detection member which is included in image data of the target object obtained by image sensing by the camera, and calculates the position and orientation of the target object based on the calculated light-section plane and the light-section line formed on the target object.
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