NDLI: Automatic waterline detection and 3D reconstruction in model ship tests using stereo vision

Content Provider	IET Digital Library
Author	Hong, S. Kim, J. H. Hwang, S.
Abstract	The changes of the waterlines alongside ship hulls in model ship tests provide important information to estimate the resistance performance of the full-scale ships and to improve its hull form design. This Letter presents a systematic procedure for detecting a waterline and reconstructing its three-dimensional (3D) geometry using a stereo vision system. The proposed method utilises the information from non-distinctive geometric features and shapes characterised in the waterline around a model ship without using any specified colours or artificial landmarks. For reconstructing the 3D geometry of the detected waterline, a vertical stereo system and a direct disparity estimation method are employed along with the consideration of uncertainties in the stereo correspondence matching. Experimental results are shown to demonstrate the feasibility of the proposed method using an image dataset obtained in a model ship test in a towing tank environment.
Starting Page	527
Ending Page	529
Page Count	3
ISSN	00135194
Volume Number	55
e-ISSN	1350911X
Issue Number	Issue 9, May (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/55/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2019.0030
Journal	Electronics Letters
Publisher Date	2019-03-29
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Automatic Waterline Detection Computer Vision And Image Processing Technique Detected Waterline Full-scale Ships Hull Form Design Image Matching Image Recognition Image Reconstruction Instrumentation And Technique For Geophysical, Hydrospheric And Lower Atmosphere Research Model Ship Test Oceanographic Technique Optical, Image And Video Signal Processing Ship Building Industry Ship Hulls Shipbuilding Industry Ships Stereo Image Processing Stereo Vision System Three-dimensional Geometry Vertical Stereo System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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