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A Detailed Look at Scale and Translation Invariance in a Hierarchical Neural Model of Visual Object Recognition
(2002-08-01)
The HMAX model has recently been proposed by Riesenhuber & Poggio as a hierarchical model of position- and size-invariant object recognition in visual cortex. It has also turned out to model successfully a number of ...
Establishing a European securities regulator: is the European Union an optimal economic area for a single securities regulator?
(CFAP, Cambridge Judge Business School, University of Cambridge, 2002)
The paper’s purpose is to address the economic, institutional, and legal issues confronting the establishment of a more centralised approach to EU securities regulation and to suggest that the theory of optimum currency ...
The supervisory approach: a critique
(CFAP, Cambridge Judge Business School, University of Cambridge, 2002)
Rules suffer from two serious defects. The world is complex, and so the creation and application of rules is difficult; and it changes, so that rules become obsolete. In recent years, the conventional wisdom on financial ...
On strategic default and liquidity risk
(CFAP, Cambridge Judge Business School, University of Cambridge, 2002)
How does the uncertain provision of external finance affect investment projects' default probability and liquidity risk? In this paper, I study the strategic interaction between many creditors and a single borrower in the ...
The new Basel accord and developing countries: problems and alternatives
(CFAP, Cambridge Judge Business School, University of Cambridge, 2002)
The new Basel Accord framework relies on markets and supervisors to discipline banks. Yet both markets and supervisors fail, and more so in developing countries than in high-income countries. Therefore, the new Accord is ...
Depreciation bias, financial-sector fragility and currency risk
(CFAP, Cambridge Judge Business School, University of Cambridge, 2002)
Do expected future exchange rate fluctuations affect current social welfare? In the third-generation approach to currency crises, financial fragility can trigger devaluation and default. Expected future depreciation is ...
Simulating discontinuities in a gradient-enhanced continuum
(Proceedings of the International Conference on Structural Integrity and FractureProceedings of the International Conference on Structural Integrity and Fracture, 2002)
A continuum-discrete model for failure in quasi-brittle materials is presented. The continuum is regularised through the introduction of gradient terms into the constitutive model. At the transition to discrete failure, ...
Discontinuous modelling of crack propagation in a gradient-enhanced continuum
(2002)
A numerical model for the description of the combined continuous/discontinuous failure in a regularised strain-softening continuum is proposed. The continuum is regularised through the introduction of gradient terms into ...
Exploring Vision-Based Interfaces: How to Use Your Head in Dual Pointing Tasks
(2002-01-01)
The utility of vision-based face tracking for dual pointing tasks is evaluated. We first describe a 3-D face tracking technique based on real-time parametric motion-stereo, which is non-invasive, robust, and self-initialized. ...
Learning with Deictic Representation
(2002-04-10)
Most reinforcement learning methods operate on propositional representations of the world state. Such representations are often intractably large and generalize poorly. Using a deictic representation is believed to be ...