ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., II-3/W5, 507-514, 2015
https://doi.org/10.5194/isprsannals-II-3-W5-507-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
20 Aug 2015
COLOR AND TEXTURE INTERPOLATION BETWEEN ORTHOIMAGERY AND VECTOR DATA
C. Hoarau and S. Christophe Institut National de l’Information G´eographique et Foresti`ere – Laboratoire Cogit, Universit´e Paris-Est, 73 avenue de Paris, 94165 Saint-Mand´e CEDEX, France
Keywords: Geovisualization, Style, Color, Texture, Interpolation, Smooth transition Abstract. Graphic interfaces of geoportals allow visualizing, sometimes overlaying often by image blending, various data and representations of geographical spaces: vector data, maps, aerial imagery, Digital Terrain Model (DTM), etc. After some previous works it appears that image blending is insufficient to allow efficient co-visualization of orthoimagery and vector data. Our purpose is to be able to manage an hybrid visualization of orthoimagery and vector data, efficient and useful. The diversity of hybridization levels requires to be able to control a continuum between such data. We thus have to propose rendering methods to mix heterogeneous data, in order to propose homogeneous and continuous intermediary representations. This paper proposes a methodology to interpolate graphic parameters between an orthoimage and related vector data, to control the level of orthophotorealism, all along the continuum. We detail the methodology based on several interpolation components, to control abstraction and realism levels, by manipulating colors and textures (natural, procedural or mixed).
Conference paper (PDF, 16140 KB)


Citation: Hoarau, C. and Christophe, S.: COLOR AND TEXTURE INTERPOLATION BETWEEN ORTHOIMAGERY AND VECTOR DATA, ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., II-3/W5, 507-514, https://doi.org/10.5194/isprsannals-II-3-W5-507-2015, 2015.

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