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HAPTICS
2002
IEEE
8 years 9 months ago
An Analysis of Perceptual Instability during Haptic Texture Rendering
This paper investigates the problem of perceived instability during haptic texture rendering. We focus on the perceptual analysis of the stability of textured surfaces rendered wi...
Seungmoon Choi, Hong Z. Tan
SIGGRAPH
2003
ACM
8 years 9 months ago
TensorTextures
This paper introduces a tensor framework for image-based rendering. In particular, we develop an algorithm called TensorTextures that learns a parsimonious model of the bidirectio...
M. Alex O. Vasilescu, Demetri Terzopoulos
HAPTICS
2006
IEEE
8 years 10 months ago
Discrimination of Real and Virtual High-Definition Textured Surfaces
Research on haptic texture perception requires the availability of textured surfaces with high precision and fine resolution. Given the exquisite sensitivity of the human fingers ...
Hong Z. Tan, Bernard D. Adelstein, Ryan Traylor, M...
HAPTICS
2007
IEEE
8 years 10 months ago
Discriminability of Real and Virtual Surfaces with Triangular Gratings
Human sensitivity to height differences in textured surfaces is on the order of microns. Research on human texture perception requires texture samples with precisely controlled mi...
Matthew Kocsis, Hong Z. Tan, Bernard D. Adelstein
CVPR
2009
IEEE
8 years 11 months ago
Robust shadow and illumination estimation using a mixture model
Illuminant estimation from shadows typically relies on accurate segmentation of the shadows and knowledge of exact 3D geometry, while shadow estimation is dif´Čücult in the presen...
Alexandros Panagopoulos, Dimitris Samaras, Nikos P...
ICPR
2002
IEEE
9 years 5 months ago
Classifying Textures when Seen from Different Distances
The purpose of this work is to analyse what happens to the surface information when the image resolution is modified. We deduce how the same surface appears if seen from different...
Maria Petrou, Xavier Lladó
ICIP
2005
IEEE
9 years 6 months ago
Processing of textured surfaces represented as surfel sets: representation, compression and geodesic paths
A method for representation and lossy compression of textured surfaces is presented. The input surfaces are represented by surfels (surface elements), i.e., by a set of colored, o...
Tal Darom, Mauro R. Ruggeri, Dietmar Saupe, Nahum ...
CVPR
2003
IEEE
9 years 6 months ago
Illumination Chromaticity Estimation using Inverse-Intensity Chromaticity Space
Existing color constancy methods cannot handle both uniform colored surfaces and highly textured surfaces in a single integrated framework. Statistics-based methods require many s...
Robby T. Tan, Ko Nishino, Katsushi Ikeuchi
CVPR
2003
IEEE
9 years 6 months ago
A Sparse Texture Representation Using Affine-Invariant Regions
This paper introduces a texture representation suitable for recognizing images of textured surfaces under a wide range of transformations, including viewpoint changes and nonrigid...
Svetlana Lazebnik, Cordelia Schmid, Jean Ponce
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