Determination of image shapes using training and sectoring

Details Determination of image shapes using training and sectoring Determination of image shapes using training and sectoring

1997-12-30

2000-08-29

Tran, Phuoc

Image analysis

Pattern recognition

Feature extraction

382173, 382204, 382181, 382266, G06K 900, G06K 934, G06K 940, G06K 946

Patent

active

061119830

ABSTRACT:
For enhanced accuracy in determining a shape in an image, a shape model can be trained for parameter settings, based on training data for which the desired shape is specified. Such training can be applied to models in which a shape is treated in a sectored fashion, with training applied to each of the sectors. The suitability of an objective function, obtained by training or otherwise, can be assessed by using near-correct shapes which are generated by randomly perturbing a ground-truth shape.

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Staib, et al "Model-Based Deformable Surface Finding for Medical Images", IEEE, vol. 15, No. 5, pp. 720-731, Oct. 1996.

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