Search Results for author: Changchang Wu

Found 3 papers, 0 papers with code

Structure From Motion Using Structure-Less Resection

no code implementations ICCV 2015 Enliang Zheng, Changchang Wu

In this work, we take the collection of already reconstructed cameras as a generalized camera, and determine the absolute pose of a candidate pinhole camera from pure 2D correspondences, which we call it semi-generalized camera pose problem.

3D Reconstruction

P3.5P: Pose Estimation With Unknown Focal Length

no code implementations CVPR 2015 Changchang Wu

In this paper, we present a general solution to the true minimal P3. 5P problem with up to 10 solutions.

Pose Estimation

Critical Configurations For Radial Distortion Self-Calibration

no code implementations CVPR 2014 Changchang Wu

We study the properties of the discovered critical configurations and discuss the practically important configurations that often occur in real applications.

3D Reconstruction

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