Object Stereo 1

Surface Stereo

Bleyer, CVPR10

2014/3/25 Yichong Bai

Object Stereo 2

Problem

• Stereo vision• Image Depth map

2014/3/25 Yichong Bai

Object Stereo 3

Overview

• Surface formulation• Segmentation as soft constraint• B-spline• Relaxing segmentation assumptions

2014/3/25 Yichong Bai

Object Stereo 4

Difference with ours

• Classical disparity map needed• No mapping

2014/3/25 Yichong Bai

Object Stereo 5

Model

• Notations• I

• pixels• F

• surfaces• F

• I F• Disparity according to plane

• d(p, f_p)

2014/3/25 Yichong Bai

Object Stereo 6

Model

• Energy•

2014/3/25 Yichong Bai

Object Stereo 7

Model

• Terms• Data

• Pixel dissimilarity•

•

2014/3/25 Yichong Bai

Object Stereo 8

Model

• Terms• Smoothness

•

2014/3/25 Yichong Bai

Object Stereo 9

Model

• Terms• Curvature

•

2014/3/25 Yichong Bai

Object Stereo 10

Solve

• Optimization• Fusion move

• Fuse with new proposal• Binary energy• Proposal generation

• Modify the current

2014/3/25 Yichong Bai

Object Stereo 11

Evaluation

2014/3/25 Yichong Bai