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2014 IEEE International Symposium on Mixed and Augmented Reality (ISMAR) (2014)
Munich, Germany
Sept. 10, 2014 to Sept. 12, 2014
ISBN: 978-1-4799-6184-9
pp: 129-134
Alan Torres-Gomez , University of Bristol
Walterio Mayol-Cuevas , University of Bristol
Dealing with real transparent objects for AR is challenging due to their lack of texture and visual features as well as the drastic changes in appearance as the background, illumination and camera pose change. The few existing methods for glass object detection usually require a carefully controlled environment, specialized illumination hardware or ignore information from different viewpoints. In this work, we explore the use of a learning approach for classifying transparent objects from multiple images with the aim of both discovering such objects and building a 3D reconstruction to support convincing augmentations. We extract, classify and group small image patches using a fast graph-based segmentation and employ a probabilistic formulation for aggregating spatially consistent glass regions. We demonstrate our approach via analysis of the performance of glass region detection and example 3D reconstructions that allow virtual objects to interact with them.
Image segmentation, Glass, Image edge detection, Image reconstruction, Three-dimensional displays, Cameras, Distortion measurement

A. Torres-Gomez and W. Mayol-Cuevas, "Recognition and reconstruction of transparent objects for augmented reality," 2014 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), Munich, Germany, 2014, pp. 129-134.
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