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Browsing Portuguese Chapter Conference by Author "Araújo, Bruno Rodrigues De"
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Item A Comparison of Orthographic and Perspective Projections in the Generation of Textures for Billboards(The Eurographics Association, 2021) Saraiva, Carlos; Oliveira, João Fradinho; Pereira, João Madeiras; Araújo, Bruno Rodrigues de; Coelho, António and Cláudio, Ana PaulaImage-based rendering techniques take the approach of rendering new images based on existing ones, effectively separating the rendering complexity from the geometric complexity of the scene they represent. With the advance of hardware capabilities, these techniques have regained interest. However, the creation of images previously mentioned is error-prone, so computation must be done in order to correct them. This paper presents a comparison between the uncorrected errors apparent in billboards when the applied texture is generated with a perspective or with orthographic projection.