Proceedings PaperOptical Dimension Measurement Of 3-D Works Having Metallic Glossy Surfaces Using A Normalization Processing Of Projection Patterns In The Case Of Plane Constructed Solid
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A non-perspective optical precise dimensional measurement method for some kind of solid work constructed of metallic glossy planes using a series of analog image operating and digital image processing based on a new concept is developed. Dimensions having just rough tolerance and precise tolerance are measured by two different method in a measurement system. The precision between two groung planes determined by the depth measurement on the optical axis of a TV camera is about 2.5x10-3% /1300mm range. By using an analogue data processing apparatus newly developed, the repeatability on measuring data is improved very much.