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3D Shape Estimation from 2D Landmarks: A Convex Relaxation Approach
Xiaowei Zhou, Spyridon Leonardos, Xiaoyan Hu +1
We investigate the problem of estimating the 3D shape of an object, given a set of 2D landmarks in a single image. To alleviate the reconstruction ambiguity, a widely-used approach…
Geometric Polynomial Constraints in Higher-Order Graph Matching
Mayank Bansal, Kostas Daniilidis
Correspondence is a ubiquitous problem in computer vision and graph matching has been a natural way to formalize correspondence as an optimization problem. Recently, graph matching…
Active Deformable Part Models
Menglong Zhu, Nikolay Atanasov, George J. Pappas +1
This paper presents an active approach for part-based object detection, which optimizes the order of part filter evaluations and the time at which to stop and make a prediction. St…
Technical report on Optimization-Based Bearing-Only Visual Homing with Applications to a 2-D Unicycle Model
Roberto Tron, Kostas Daniilidis
We consider the problem of bearing-based visual homing: Given a mobile robot which can measure bearing directions with respect to known landmarks, the goal is to guide the robot to…