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We address the unsupervised learning of several interconnected problems in low-level vision: single view depth prediction, camera motion estimation, optical flow, and segmentation of a video into the static scene and moving regions.
#17 best model for Monocular Depth Estimation on KITTI Eigen split
In this paper, we propose and study an algorithm, called Sparse Subspace Clustering (SSC), to cluster data points that lie in a union of low-dimensional subspaces.
#4 best model for Image Clustering on Extended Yale-B
In this paper, we propose UnOS, an unified system for unsupervised optical flow and stereo depth estimation using convolutional neural network (CNN) by taking advantages of their inherent geometrical consistency based on the rigid-scene assumption.
Our model jointly estimates (i) the segmentation of the scene into an unknown but finite number of objects, (ii) the motion trajectories of these objects and (iii) the object scene flow.
The Progressive-X algorithm, Prog-X in short, is proposed for geometric multi-model fitting.
Making use of the estimated occlusions, we also show improved results on motion segmentation and scene flow estimation.
To handle the nonrigid background like a sea, we also propose a robust fusion mechanism between motion and appearance-based features.
For this nonconvex minimization problem, we develop an effective optimization procedure based on a type of augmented Lagrange multipliers (ALM) method.