NDLI: Model-based approach to accurate and consistent 3-D modeling of drainage and surrounding terrain

Content Provider	IEEE Xplore Digital Library
Author	Fua, P.
Copyright Year	1997
Description	Author affiliation: Comput. Graphics Lab., Ecole Polytech. Federale de Lausanne, Switzerland (Fua, P.)
Abstract	We propose an automated approach to modeling drainage channels-and more generally, linear features that lie on the terrain-from multiple images, which results not only in high-resolution accurate and consistent models of the features, but also of the surrounding terrain. In our specific case, we have chosen to exploit the fact that rivers flow downhill and lie at the bottom of local depressions in the terrain, valley floors tend to be "U" shaped, and the drainage pattern appears as a network of linear features that can be visually detected in single gray-level images. Different approaches have explored individual facets of this problem. Ours unifies these elements in a common framework. We accurately model terrain and features as 3-dimensional objects from several information sources that may be in error and inconsistent with one another. This approach allows us to generate models that are faithful to sensor data, internally consistent and consistent with physical constraints.
Starting Page	903
Ending Page	908
File Size	795578
Page Count	6
File Format	PDF
ISBN	0818678224
ISSN	10636919
DOI	10.1109/CVPR.1997.609435
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-06-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Three dimensional displays Data mining Computer graphics Artificial intelligence Rivers Face detection Shape Contracts Information resources Dynamic programming
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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