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- Josef Bigün, Gösta H. Granlund, Johan Wiklund
- IEEE Trans. Pattern Anal. Mach. Intell.
- 1991

- Gösta H. Granlund
- IEEE Trans. Computers
- 1972

A new form of image estimator, which takes account of linear features, is derived using a signal equivalent formulation. The estimator is shown to be a nonstationary linear combination of three stationary estimators. The relation of the estimator to human visual physiology is discussed. A method for estimating the nonstationary control information is… (More)

- Patrik Dohrty, Gösta H. Granlund, +4 authors Johan Wiklund
- ECAI
- 2000

The purpose of this paper is to provide a broad overview of the WITAS Unmanned Aerial Vehicle Project. The WITAS UAV project is an ambitious, long-term basic research project with the goal of developing technologies and functionalities necessary for the successful deployment of a fully autonomous UAV operating over diverse geographical terrain containing… (More)

- Gösta H. Granlund
- AFPAC
- 2000

Most of the processing in vision today uses spatially invariant operations. This gives efficient and compact computing structures, with the conventional convenient separation between data and operations. This also goes well with conventional Cartesian representation of data. Currently, there is a trend towards context dependent processing in various forms.… (More)

- Carl-Johan Westelius, C-J Westelius, +14 authors J L Crowley
- 1995

This thesis deals with focus of attention control in active vision systems. A framework for hierarchical gaze control in a robot vision system is presented, and an implementation for a simulated robot is described. The robot is equipped with a heterogeneously sampled imaging system, a fovea, resembling the spatially varying resolution of a human retina. The… (More)

- Gösta H. Granlund
- Signal Processing
- 1999

There is no indication that it will ever be possible to find some simple trick that miraculously solves most problems in vision. It turns out that the processing system must be able to implement a model structure, the complexity of which is directly related to the structural complexity of the problem under consideration in the external world. It has become… (More)

- Björn Johansson, Tommy Elfving, Vladimir Kozlov, Yair Censor, Per-Erik Forssén, Gösta H. Granlund
- Mathematical and Computer Modelling
- 2006

This report brings together a novel approach to some computer vision problems and a particular algorithmic development of the Landweber iterative algorithm. The algorithm solves a class of high-dimensional, sparse, and constrained least-squares problems, which arise in various computer vision learning tasks, such as object recognition and object pose… (More)

- Remco Duits, Michael Felsberg, Gösta H. Granlund, Bart M. ter Haar Romeny
- International Journal of Computer Vision
- 2006

Inspired by the early visual system of many mammalians we consider the construction of-and reconstruction from- an orientation score $${\it U_f}:\mathbb{R}^2 \times S^{1} \to \mathbb{C}$$ as a local orientation representation of an image, $$f:\mathbb{R}^2 \to \mathbb{R}$$ . The mapping $$f\mapsto {\it U_f}$$ is a wavelet transform $$\mathcal{W}_{\psi}$$… (More)