Paper Info
Title
Active One-Shot Scan for Wide Depth Range Using a Light Field Projector Based on Coded Aperture
Abstract
The central projection model commonly used to model cameras as well as projectors, results in similar advantages and disadvantages in both types of system. Considering the case of active stereo systems using a projector and camera setup, a central projection model creates several problems, among them, narrow depth range and necessity of wide baseline are crucial. In the paper, we solve the problems by introducing a light field projector, which can project a depth-dependent pattern. The light field projector is realized by attaching a coded aperture with a high frequency mask in front of the lens of the video projector, which also projects a high frequency pattern. Because the light field projector cannot be approximated by a thin lens model and a precise calibration method is not established yet, an image-based approach is proposed to apply a stereo technique to the system. Although image-based techniques usually require a large database and often imply heavy computational costs, we propose a hierarchical approach and a feature-based search for solution. In the experiments, it is confirmed that our method can accurately recover the dense shape of curved and textured objects for a wide range of depths from a single captured image.
Year
DOI
Venue
2015
10.1109/ICCV.2015.407
ICCV
Field
DocType
Volume
Video projector,Computer vision,Thin lens,Computer graphics (images),Coded aperture,Computer science,Light field,Projector,Artificial intelligence,Calibration
Conference
2015
Issue
ISSN
Citations 
1
1550-5499
2
PageRank 
References 
Authors
0.38
15
6
Name
Order
Citations
PageRank
hiroshi kawasaki127450.85
Satoshi Ono221939.83
Yuuki Horita320.72
Yuki Shiba421.05
ryo furukawa522389.83
Shinsaku Hiura617929.05