Concept

Caractère (informatique)

Publications associées (32)

Graph Chatbot

Chattez avec Graph Search

Posez n’importe quelle question sur les cours, conférences, exercices, recherches, actualités, etc. de l’EPFL ou essayez les exemples de questions ci-dessous.

AVERTISSEMENT : Le chatbot Graph n'est pas programmé pour fournir des réponses explicites ou catégoriques à vos questions. Il transforme plutôt vos questions en demandes API qui sont distribuées aux différents services informatiques officiellement administrés par l'EPFL. Son but est uniquement de collecter et de recommander des références pertinentes à des contenus que vous pouvez explorer pour vous aider à répondre à vos questions.

Connectez-vous pour utiliser Chat avec Graph Search

Text detection and recognition in images and video sequences

Datong Chen

Text characters embedded in images and video sequences represents a rich source of information for content-based indexing and retrieval applications. However, these text characters are difficult to be detected and recognized due to their various sizes, gra ...

2003

Text detection and recognition in images and video sequences

Datong Chen

École Polytechnique Fédérale de Lausanne2003

Text detection and recognition in images and video sequences

Datong Chen

EPFL2003

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

ASYMMETRIC FILTER FOR TEXT RECOGNITION IN VIDEO

Datong Chen

Stripes are a common sub-structure of text characters, and the scale of the stripes does not vary significantly within a character. In this paper a new form of filter is derived from the Gabor filter which can efficiently estimate the scales of such stripe ...

IDIAP2000

A window-based method for automatic typographic parameter extraction

Roger Hersch

The synthesis of existing fonts with characters represented by parameterized structure elements requires determination of a set of font-specific global and local parameters. Parameters comprise, for example, the widths of vertical stems, horizontal bars an ...

Springer-Verlag1998

A behavioral animation system for autonomous actors personified by emotions

Daniel Thalmann

Presents a system dedicated to producing behavioral animation involving autonomous actors. To increase their believability, this system not only allows defining their behavior but also contains an emotional model which generates emotions felt by the actors ...

1998

Experimental evidence to Rydbergization of antibonding molecular orbitals

Majed Chergui

Exptl. evidence is presented for the process of MO Rydbergization postulated by Mulliken, whereby an antibonding orbital continuously changes its character from predominantly Rydberg to predominantly valence on its way to dissocn. By matrix-isolation spect ...

1994

Efficient rendering of outline characters

Roger Hersch

Resolution-independent windowing systems and raster image processors require efficient and precise rendering of outline characters. Rendering of typographic outline characters involves outline grid fitting, outline scan conversion, and filling. For the pur ...

1991

Implementation of 8-bit Coded Character Sets in Ada

A general frame is proposed for implementing 8-bit coded character sets in Ada in conformance with current international standards. This frame is then applied to what is termed Latin alphabet No. 1 which covers Western European languages. Also shown is how ...

1990