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Vision systems for robots had been widely applied at many important applications. But 3-D vision systems for industrial uses should face to many practical problems. Here, a vision system for bio-production has been introduced. Crone seedlings are one of the important applications of biotechnology. Most of the production processes of crone seedlings are highly automated, but the transplanting process of the small seedlings cannot be automated because the figures of small seedlings are not stable and to handle the seedlings it is required to observe the shapes of the small seedlings. In this research, a vision system for robot to be used for the transplanting process in a plant factory has been introduced.

To send a lunar landing module to the moon, it is requested to detect obstacles on the moon. It is requested to detect the 0.5 m height on the moon from 50 m high. To solve the problem, the relative stereo processing method has been introduced. The method measures the relative height from the surface of the moon. The shadows on the moon are detected from the left and right images of stereo cameras. The corresponding shadows of the left camera and the right camera are overlapped. After the overlapping, if there are some overlapping errors detected, the height of the object can be detected from the errors. The method is evaluated by the images generated by a simulation and proved its effectiveness.