Concept

Image tracing

Related publications (44)

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On Image Auto-Annotation with Latent Space Models

Daniel Gatica-Perez, Florent Monay Michaud

Image auto-annotation, i.e., the association of words to whole images, has attracted considerable attention. In particular, unsupervised, probabilistic latent variable models of text and image features have shown encouraging results, but their performance ...

2003

On Automatic Annotation of Images with Latent Space Models

Daniel Gatica-Perez, Florent Monay Michaud

IDIAP2003

New support vector algorithms for multicategorical data applied to real-time object recognition

Silvio Borer

Humans have the ability to learn. Having seen an object we can recognise it later. We can do this because our nervous system uses an efficient and robust visual processing and capabilities to learn from sensory input. On the other hand, designing algorithm ...

EPFL2003

Two-dimensional thermally actuated optical microprojection

Philippe Renaud, Sandra Schweizer, Gerhard Lammel

A dual-axis, raster-scanning laser display based on a monolithic micromachined scanner is presented. The scanner consists of a mirror located at the end of a thermally actuated bimorph beam. The novelty of the device is that the two orthogonal angular moti ...

2000

Thermally actuated microprojector for optical display applications

Philippe Renaud, Sandra Schweizer, Gerhard Lammel

A dual axis, raster-scanning laser display based on a monolithic micromachined scanning mirror is presented. The scanner consists of a micromirror located at the end of a thermally actuated bimorph beam. The novelty of the device is that an "L"-shape canti ...

2000

Microstereolithography: a new process to build complex 3D objects

Philippe Renaud, Arnaud Bertsch

In this paper, a new microstereolithography apparatus is described. It is an integral process in which a complete layer can be made in one exposure only, in contrast to vector-by-vector processes which are based on the vectorial tracing of each layer. As f ...

1999

Evaluating the Complexity of Databases for Person Identification and Verification

For the development and evaluation of methods for person identification, verification, and other tasks, databases play an important role. Despite this fact, there exists no measure whether a given database is sufficient to train and/or to test a given algo ...

IDIAP1998

Anti-counterfeiting features of artistic screening

Roger Hersch, Isaac Amidror, Patrick Emmel

Although Artistic Screening has been designed mainly for performing the creation of graphic designs of high artistic quality, it also incorporates several important anti-counterfeiting features. For example, bank notes or other valuable printed matters pro ...

SPIE-Int. Soc. Opt. Eng1996

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

Advanced grid constraints: performances and limitations

Roger Hersch

Existing font rasterization systems use grid constraints or hints in order to rasterize outline characters. Advanced grid constraints include snapping techniques for producing uniform raster characters without preliminary outline regularization. They also ...

Cambridge University Press1991