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ACCV
2007
Springer
15 years 8 months ago
Interpolation Between Eigenspaces Using Rotation in Multiple Dimensions
We propose a method for interpolation between eigenspaces. Techniques that represent observed patterns as multivariate normal distribution have actively been developed to make it r...
Tomokazu Takahashi, Lina, Ichiro Ide, Yoshito Meka...
ICCV
2005
IEEE
15 years 7 months ago
Photometric Stereo under Perspective Projection
Photometric stereo is a fundamental approach in Computer Vision. At its core lies a set of image irradiance equations each taken with a different illumination. The vast majority o...
Ariel Tankus, Nahum Kiryati
ICIP
2005
IEEE
15 years 7 months ago
Chromatic adaptation and white-balance problem
The problem of adjusting the color such that the output image from a digital camera, viewed under a standard condition, matches the scene observed by the photographer’s eye is c...
Keigo Hirakawa, Thomas W. Parks
FGR
2000
IEEE
137views Biometrics» more  FGR 2000»
15 years 6 months ago
Face Recognition in a Meeting Room
In this paper, we investigate recognition of human faces in a meeting room. The major challenges of identifying human faces in this environment include low quality of input images...
Ralph Gross, Jie Yang, Alex Waibel
141
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ECCV
2006
Springer
15 years 5 months ago
The 4-Source Photometric Stereo Under General Unknown Lighting
Many previous works on photometric stereo have shown how to recover the shape and reflectance properties of an object using multiple images taken under a fixed viewpoint and variab...
Chia-Ping Chen, Chu-Song Chen