US Patent No: 8,165,403
Number of patents in Portfolio can not be more than 2000
Method and system for determining poses of specular objects
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Apr 24, 2012
Issued date -
Nov 19, 2010
filing date -
12/950,357
serial no -
In Force
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Abstract
A pose of an object is determine by acquiring sets of images of the object by a camera, wherein the object has a thread arranged on a surface such that a local region of the object appears substantially spherical, wherein the camera is at a different point of view for each set, and wherein each image in each set is acquired while the scene is illuminated from a different direction. A set of features is extracted from each image, wherein the features correspond to points on the surface having normals towards the camera. A parametric line is fitted to the points for each image, wherein the line lies on a plane joining a center of the camera and an axis of the object. Then, geometric constraints are applied to lines to determine the pose of the object.
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 7,711,182 Method and system for sensing 3D shapes of objects with specular and hybrid specular-diffuse surfaces | 1 | 2006 | |
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| 7,764,838 System and method for extracting an object of interest from an image using a robust active shape model | 2 | 2005 | |
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