Tag Archives: geometric fitting

Reconstruction of 3D points from images in a calibrated binocular system

In a binocular system one can write and where is an object point in homogeneous coordinates in mm (*), and  are its image points in homogeneous coordinates in pixels, and  are the projection matrices of the two cameras, and are … Continue reading

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Orthogonal least squares fitting of a sphere/2

As said in my previous post, to obtain an orthogonal least squares fitting of a sphere to a cloud of points one should minimize the function Dave Eberly calls this the energy function, probably as a metaphorical reference to the … Continue reading

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Orthogonal least squares fitting of a sphere

Recently I presented a linear method to obtain centre and radius of a sphere given four or more points on its surface, not all beginning to the same plane. This method is not completely satisfactory when working with more than … Continue reading

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