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Local Affine Frames for Wide-Baseline Stereo
(IEEE, 2002)
A novel procedure for establishing wide-baseline correspondence is introduced. Tentative correspondences are established by matching photometrically normalised colour measurements represented in a local affine frame. The ...
A voting strategy for visual ego-motion from stereo
(IEEE, 2010-06)
We present a procedure for egomotion estimation from visual input of a stereo pair of video cameras. The 3D egomotion problem, which has six degrees of freedom in general, is simplified to four dimensions and further ...
Dense Linear-Time Correspondences for Tracking
(IEEE, 2008-06)
A novel method is proposed for the problem of frame-to-frame correspondence search in video sequences. The method, based on hashing of low-dimensional image descriptors, establishes dense correspondences and allows large ...
Stable affine frames on isophotes
(IEEE, 2007-10)
We propose a new affine-covariant feature, the stable affine frame (SAF). SAFs lie on the boundary of extremal regions, i.e. on isophotes. Instead of requiring the whole isophote to be stable with respect to intensity ...
On the Interaction between Object Recognition and Colour Constancy
(IEEE, 2003)
In this paper we investigate some aspects of the interaction between colour constancy and object recognition. We demonstrate that even under severe changes of illumination, many objects are reliably recognised if relying ...