Generating Reduced Resolution Textured Model From Higher Resolution Model

a textured model and higher resolution technology, applied in the field of display three-dimensional models, can solve the problems of inefficient space texturing of coarse resolution models, inability to apply the texture used for the higher resolution model to the lower resolution model, and increase or decrease the complexity etc., to achieve the effect of simplifying the texture of a three-dimensional model and the lower resolution version
US20150170398A1Active Publication Date: 2015-06-18GOOGLE LLC
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
GOOGLE LLC
Publication Date
2015-06-18

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Abstract

An exemplary method for simplifying a texture of a three-dimensional model includes simplifying a first three-dimensional model to determine a second three-dimensional model. The first three-dimensional model has a higher resolution than the second three-dimensional model. The method also includes allocating a texture atlas for the second three-dimensional model. The method further includes filling in the texture atlas for the second three-dimensional model. Filling in the texture atlas may include determining a location on the second three-dimensional model corresponding to a pixel in the texture atlas for the second three-dimensional model, determining a location on the first three-dimensional model corresponding to the determined location on the second three-dimensional model, determining a color value texture mapped to the first three-dimensional model at the determined location on the first three-dimensional model, and setting the determined color value to the pixel in the texture atlas for the second three-dimensional model.
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Description

BACKGROUND

[0001] 1. Field

[0002] This disclosure generally relates to displaying three-dimensional models.

[0003] 2. Background

[0004] A geographic information system (GIS) is a system that can be used for storing, retrieving, manipulating, and displaying a three-dimensional model. The three-dimensional model may include satellite images texture mapped to terrain, such as mountains, valleys, and canyons. The GIS uses a virtual camera to navigate through a three-dimensional environment. The virtual camera defines what portion of a three-dimensional model to display to a user in a display area.

[0005] A client device may display the three-dimensional model in a geographic

[0006] information environment. The three-dimensional model may have any number of level-of-detail (LOD) representations that may be displayed in the geographic information environment. Accounting for an LOD of a three-dimensional model may increase or decrease the complexity of a three-dimensional model as a virtual camera mov...

Claims

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