High Quality Texture Generation Method

Description

This project presents a practical approach for digital preservation of cultural and natural assets by applying high resolution photographs on precise 3D models. This work describes a pipeline to obtain the texture of an object using: a set of images acquired from a laser scanner (range and color images); the 3D model generated from the range images; and a set of photographs captured by a high resolution professional digital camera.

First, partial texture maps are computed for each range image using its corresponding photograph. Then, these maps are merged using weights that reflect the reliability of the pixels' colors in each partial texture map. The final texture obtained is utilized on the renderization of the 3D model.


Results

Our method generates high quality textures, improving substantially the realism of the 3D model as compared to textures generated from the scanner color images. Also, it does not require any special apparatus nor a large number of images, making easier its use by other researchers.

Videos showing our results can be watched bellow. The 3D models with enhanced texture of these and more indigenous artworks are exhibited at our 3D Virtual Museum.


Ceramic Tapir
Texture generated with original method Texture generated with new method
Click here to watch the video (2.7 Mb).
Description: Ceramic painted tapir, manufactured by Brazilian indians from the Wauja community, inhabitants of Alto Xingu.
Courtesy of UFPR's Archaeology and Ethnology Museum.



Ceramic Indigenous Women
Texture generated with original method Texture generated with new method
Click here to watch the video (2.9 Mb).
Description: Ceramic painted indians, manufactured by Brazilian indians from the Karaja community.
Courtesy of UFPR's Archaeology and Ethnology Museum.