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Simple 3D object reconstruction using global optimization

Okrasa A.I., Gwizdałła T.M.

Prace Naukowe Politechniki Warszawskiej. Elektronika

2009

z. 169

137-144

In the paper we deal with the problem of three-dimensional shape reconstruction when its two-dimensional projections from selected directions are available. This situation corresponds e.g. to the trial of digitalizing the shape from photographs. We propose a methods for creating the mesh, projecting the shape keeping the information about light and perspective. On this basis we use SA technique to modify this shape in a controlled way in order to reproduce the initially assumed one best.

Vision-based high accuracy work-piece inspection from profiles

Xu Z., Toncich D., Wu H.

Machine Graphics and Vision

2001

Vol. 10, No. 2

155-174

The objective of the research documented herein was to investigate high-accuracy identification and measurement of a work-piece through edge detection, and to derive its three-dimensional properties from a profile of the work-piece image. A number of techniques for providing the transformation of the image are also described. The helix, helicoid and range of geometric entities have been selected to demonstrate the methodology and to highligh various aspect of the proposed techniques.