DESIGN AND LOCATION OF VISCOUS TARGET IN FREE-FORM DIGITISATION

Abstract

Abstract: In the digital measurement for free-form surface, image mosaics are needed to achieve the whole measurement for the small measuring field of sensor unit. The idea of viscous target for free-form surface measurement is presented which refers to the concept and the applying of control points in the photographic measurement. According to the comparisons about the styles of some viscous targets, a planar multi-arc viscous target is designed. With similar features, viscous targets can be pre-located automatically and can be located accurately by ellipse fitting. Location precision of the method excels 0.05 pixels.

Key words: Digital measurement, Free-form surface, Location, Viscous target

CLC Number:

TN247 TP242

Xue Ting;Zhu Jigui;Wu Bin;Ye Shenghua. DESIGN AND LOCATION OF VISCOUS TARGET IN FREE-FORM DIGITISATION[J]. , 2005, 41(1): 98-101.

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DESIGN AND LOCATION OF VISCOUS TARGET IN FREE-FORM DIGITISATION

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