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Feature point extraction using scale-space representation

Publications associées (39)

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Multi-scale Feature Extraction on Point-Sampled Surfaces

Mark Pauly

We present a new technique for extracting line-type features on point-sampled geometry. Given an unstructured point cloud as input, our method first applies principal component analysis on local neighborhoods to classify points according to the likelihood ...

2003

A Multi-Agent System for Integrating a Large-Scale Project

Boi Faltings, Carlos Eisenberg

This paper presents a multiagent-system for integrating AL-ICE: a real-life, distributed, large-scale particle physics experiment of the LHC project at CERN. The work is concerned with solving the large-scale coordination problem using a distributed constr ...

2003

Solving Agreement Problems with Weak Ordering Oracles

André Schiper, David Cavin, Fernando Pedone

Agreement problems, such as consensus, atomic broadcast, and group membership, are central to the implementation of fault-tolerant distributed systems. Despite the diversity of algorithms that have been proposed for solving agreement problems in the past y ...

2002

Multiresolution Moment Filters

Michaël Unser, Michael Sühling, Muthuvel Arigovindan

We define multi-scale moments that are estimated locally by analyzing the image through a sliding window at multiple scales. When the analysis window satisfies a two-scale relation, we prove that these moments can be computed very efficiently using a multi ...

IEEE2002

How to choose the number of taps in a DFE?

Christina Fragouli

In this paper, we address the following problem. Given a fixed total number of feedforward and feedback filter taps in a decision feedback equalizer, what is the optimum number of taps of each filter and what is the optimum delay setting? We propose a simp ...

2002

Reliable and Total Order Broadcast in the Crash-Recovery Model

Rachid Guerraoui, Romain Boichat

This paper addresses the problem of broadcasting messages in a reliable and totally ordered manner when processes and channels may crash and recover, or crash and never recover. We present a suite of specifications of reliable and total order broadcast pri ...

2001

Finding Lines Under Bounded Error

A new algorithm for finding straight lines in images under a bounded error model is described. The algorithm is based on a hierarchical and adaptive subdivision of the space of line parameters. It measures errors in image space and thereby guarantees that ...

1996

Discrete-Time Wavelet Extrema Representation - Design and Consistent Reconstruction

Martin Vetterli

The paper studies wavelet transform extrema and zero-crossings representations within the framework of convex representations in L(Z). Wavelet zero-crossings representation of two-dimensional signals is introduced as a convex multiscale edge representation ...

1995

Finding Lines under Bounded Error

IDIAP1993