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5 minute read
Published:
Calling hierarchies for computing homography (H), fundamental matrix (F), essential matrix (E), and bundle adjustment (BA) in OpenCV.
Gold-Standard Error vs. Symmetric Transfer Error
2 minute read
Published:
Why gold-standard geometric error and symmetric transfer error differ, and when each is appropriate for evaluation and optimization.
Metric Rectification: Two Constraints from a Circle or Length Ratios
5 minute read
Published:
Why a circle becomes an ellipse after affine distortion, and how that ellipse (or two known length ratios) provides the two constraints needed for metric rectification.
Planar Homology: Applications and Intuition
4 minute read
Published:
Exploring the applications and intuitive understanding of planar homologies in projective geometry, computer vision, and geometric transformations.