Patent
Map generation device, map delivery method, and map generation program
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TLDR
In this paper, the authors proposed a map generation device which extracts a polygon shape of a building having a complex upper portion structure from a wide area image, which includes an image appointment unit that receives appointment of at least one position in a building existing within an aerial photograph.Abstract:
To provide a map generation device according to the present invention which extracts a polygon shape of a building having a complex upper portion structure from a wide area image. The map generation device includes an image appointment unit that receives appointment of at least one position in a building existing within an aerial photograph, a polygon extraction unit that extracts a building region based on a result of discriminating a color around the appointed position and extracts a polygon line of the building region, and a vector generation unit that generates a vector of the polygon line of the building region.read more
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References
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Proceedings ArticleDOI
Modeling and rendering architecture from photographs: a hybrid geometry- and image-based approach
TL;DR: This work presents a new approach for modeling and rendering existing architectural scenes from a sparse set of still photographs, which combines both geometry-based and imagebased techniques, and presents view-dependent texture mapping, a method of compositing multiple views of a scene that better simulates geometric detail on basic models.
Proceedings ArticleDOI
Image-based modeling and photo editing
TL;DR: An image-based modeling and editing system that takes a single photo as input and employs a suite of user-assisted techniques, based on a painting metaphor, to assign depths and extract layers, enabling editing from different viewpoints and modifying the shape, color, and illumination of these objects.
Journal ArticleDOI
Building Detection and Description from a Single Intensity Image
Chungan Lin,Ramakant Nevatia +1 more
TL;DR: A grouping process is used to generate 2-D roof hypotheses from fragmented linear features extracted from the input image to detect buildings and construct 3-D shape descriptions of buildings from a monocular aerial image with a general viewpoint.
Journal ArticleDOI
Detection and modeling of buildings from multiple aerial images
S. Noronha,Ramakant Nevatia +1 more
TL;DR: This work describes a system that detects and constructs 3D models for rectilinear buildings with either flat or symmetric gable roofs from multiple aerial images; the multiple images need not be stereo pairs (i.e., they may be acquired at different times).
Patent
Graphic data processing system
TL;DR: In this article, an easy-to-operate system and displaying method for generating scene data from map data and retrieving and displaying attributes containing guide information of ground objects in a scene.