Sciweavers

DAS
2008
Springer
14 years 1 months ago
Affine Invariant Recognition of Characters by Progressive Pruning
There are many problems to realize camera-based character recognition. One of the problems is that characters in scenes are often distorted by geometric transformations such as af...
Akira Horimatsu, Ryo Niwa, Masakazu Iwamura, Koich...
ICIAP
2005
ACM
14 years 11 months ago
A New Efficient Method for Producing Global Affine Invariants
This paper introduces a new efficient way for computing affine invariant features from gray-scale images. The method is based on a novel image transform which produces infinitely m...
Esa Rahtu, Janne Heikkilä, Mikko Salo
ICCV
2007
IEEE
15 years 1 months ago
Perspectively Invariant Normal Features
We extend the successful 2D robust feature concept into the third dimension in that we produce a descriptor for a reconstructed 3D surface region. The descriptor is perspectively ...
Kevin Köser, Reinhard Koch