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Related publications (10)

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Closed-Form Solution to Disambiguate Defocus Blur in Single-Perspective Images

Sabine Süsstrunk, Majed El Helou, Marjan Shahpaski

Depth-from-defocus techniques suffer an ambiguity problem where depth planes on opposite sides of the focal plane have identical defocus. We solve the ambiguity by relying on the wavelength-dependent relationship between defocus and depth. We conduct a rob ...

2019

Solving the Depth Ambiguity in Single-Perspective Images

Sabine Süsstrunk, Majed El Helou, Marjan Shahpaski

Scene depth estimation is gaining in importance as more and more AR/VR and robot vision applications are developed. Conventional depth-from-defocus techniques can passively provide depth maps from a single image. This is especially advantageous for moving ...

2019

Compiling Scala for Performance

Iulian Dragos

Scala is a new programming language bringing together object-oriented and functional programming. Its defining features are uniformity and extensibility. Scala offers great flexibility for programmers, allowing them to grow the language through libraries. ...

EPFL2010

Correctly defined concrete syntax

Due to their complexity, the syntax of modern modeling languages is preferably defined in two steps. The abstract syntax identifies all modeling concepts whereas the concrete syntax should clarify how these concepts are rendered by graphical and/or textual ...

Springer-Verlag2008

A formal approach to fault tolerant distributed consensus

Rachele Fuzzati

The term distributed Consensus denotes the problem of getting a certain number of processes, that could be far away from each other and that exchange messages through some communication means, to all agree on the same value. This problem has been proved im ...

EPFL2008

Modelling Human Perception of Facial Expressions by Discrete Choice Models

Michel Bierlaire, Jean-Philippe Thiran, Matteo Sorci, Javier Cruz Mota, Thomas Robin

Facial expression recognition is a hard and ambiguous problem in computer vision. It is hard due to the wide variety of faces and the wide variety of ways of representing the same expression. And it is ambiguous because, even though common approaches treat ...

2007

Modelling Human Perception of Facial Expressions by Discrete Choice Models

Michel Bierlaire, Matteo Sorci, Javier Cruz Mota, Thomas Robin

2007

Making Metamodels Aware of Concrete Syntax

Frédéric Fondement

Language-centric methodologies, triggered by the success of Domain Specific Languages, rely on precise specifications of modeling languages. While the definition of the abstract syntax is standardized by the 4-layer metamodel architecture of the OMG, most ...

2005

Modelling Industrial Plant Automation Systems Using IEC 61346

Esther Gelle

The IEC 61346 standard establishes general principles for structuring the information of technical systems. This paper discusses the ideas shown in the Standard emphasizing the fact that some parts of it are ambiguous and can lead to different interpretati ...

2004

Compiling Regular Patterns to Sequential Machines

Burak Emir

Pattern matching combined with regular expressions has many applications including text and XML processing, lexical analysis, classification of DNA segments and content-based routing. Patterns contain variables to refer to parts of the matching input. But ...

2004