NDLI: Robust spatiotemporal stereo against image motion and temporal disparity variation

Content Provider	IET Digital Library
Author	Shin, Y. Yoon, K. J.
Abstract	When there exists camera motion as well as scene motion, the position and disparity of a pixel in an image sequence temporally vary with time. Such image motion (IM) and temporal disparity variation (TDV) degrade the performance of spatiotemporal stereo matching. In this Letter, a robust spatiotemporal similarity measure that addresses IM and TDV is proposed. To this end, an irregular spatiotemporal window whose temporal windows are located by a TDV value and optical flows is designed. In addition, a spatiotemporal guided filter-based aggregation technique using temporal weights based on temporal proximity and flow reliability is presented. To handle a large number of labels effectively, a search range reduction method for finding a probable label set is presented. Experimental results show that the proposed method yields consistent and accurate disparity maps under IM and TDV.
Starting Page	515
Ending Page	517
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 7, Apr (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2015.4026
Journal	Electronics Letters
Publisher Date	2016-02-25
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Camera Camera Motion Computer Vision And Image Processing Technique Disparity Maps Filtering Method in Signal Processing Image Matching Image Motion Image Motion Analysis Image Recognition Image Sequence Image Sonsor Irregular Spatiotemporal Window Optical Flow Reliability Probable Label Se Reliability Robust Spatiotemporal Similarity Measure Robust Spatiotemporal Stereo Matching Scene Motion Search Range Reduction Method Spatial Filter Spatiotemporal Guided Filter-based Aggregation Technique Stereo Image Processing TDV Temporal Disparity Variation Temporal Proximity Temporal Weight
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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