Publication

Method of analysing handwritten items

Publications associées (41)

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Writer Identification for Smart Meeting Room Systems

Samy Bengio, Jonas Richiardi

In this paper we present a text independent on-line writer identification system based on Gaussian Mixture Models (GMMs). This system has been developed in the context of research on Smart Meeting Rooms. The GMMs in our system are trained using two sets of ...

IDIAP2005

A finite temperature linear tetrahedron method for electronic structure calculations of periodic systems

Oleg Yazyev

A finite-temp. linear tetrahedron method for electronic structure calcns. of periodic systems is developed. When compared to widely used simple temp. broadening, the no. of k points necessary for accurate integration at finite temps. is reduced. The utilit ...

2004

On the Need for On-Line Learning in Brain-Computer Interfaces

José del Rocio Millán Ruiz

In this paper we motivate the need for on-line learning in BCI and illustrate its benefits with the simplest method, namely fixed learning rates. However, the use of this method is supported by the risk of hampering the user to acquire suitable control of ...

IDIAP2003

Fast Circle Detection Using Gradient Pair Vectors

Ali Ajdari Rad

The Circle Hough Transform (CHT) has become a common method for circle detection in numerous image processing applications. Because of its drawbacks, various modifications to the basic CHT method have been suggested. This paper presents an algorithm to fin ...

CSIRO Publishing2003

Cursive Character Recognition by Learning Vector Quantization

Alessandro Vinciarelli

This paper presents a cursive character recognizer embedded in an off-line cursive script recognition system. The recognizer is composed of two modules: the first one is a feature extractor, the second one an LVQ. The selected feature set was compared to Z ...

2001

Method for producing contrast-controlled grayscale characters

Roger Hersch

The invention teaches grayscale specific character outline modification techniques for synthesizing contrast controlled grayscale pixmap characters of improved appearance at any resolution and size. In addition, methods for computing the visually optimal s ...

2001

Off-Line Cursive Script Recognition Based on Continuous Density HMM

Alessandro Vinciarelli

A system for off-line cursive script recognition is presented. A new normalization technique (based on statistical methods) to compensate for the variability of writing style is described. The key problem of segmentation is avoided by applying a sliding wi ...

2000

Cursive Character Recognition by Learning Vector Quantization

Alessandro Vinciarelli

IDIAP2000

Multiple Hypotheses Video OCR

Datong Chen

In this paper, we present a method to improve video OCR with multiple character hypotheses. The text regions in video need to be binarized before work as the input of current OCR system. Tranditional binarization do not use any structural information about ...

2000

Multiple Hypotheses Video OCR

Datong Chen

IDIAP2000