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Modeling Object Dissimilarity for Deep Saliency Prediction

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In this paper we present a computational model of dynamic visual attention on the sphere which combines static (intensity,chromaticity, orientation) and motion features in order to detect salient locations in omnidirectional image sequences while working d ...

Elsevier2010

Visual Activity Context For Focus of Attention Estimation in Dynamic Meetings

Jean-Marc Odobez, Silèye Oumar Ba

We address the problem of recognizing, in dynamic meetings in which people do not remain seated all the time, the visual focus of attention (VFOA) of seated people from their head pose and contextual activity cues. We propose a model that comprises the VFO ...

2009

Visual activity context for focus of attention estimation in dynamic meetings

Jean-Marc Odobez, Silèye Oumar Ba

Idiap2009

Contextual modulation in human vision

Toni Saarela

The processing and perception of visual stimuli are greatly dependent on the context in which those stimuli are presented. While this is not always (and indeed is probably not "supposed" to be) evident when viewing real-world scenes, the abundance of conte ...

EPFL2009

Dynamic Visual Attention: Motion Direction versus Motion Magnitude

Heinz Hügli, Alexandre Bur

Defined as an attentive process in the context of visual sequences, dynamic visual attention refers to the selection of the most informative parts of video sequence. This paper investigates the contribution of motion in dynamic visual attention, and specif ...

2008

Motion Integration in Visual Attention Models for Predicting Simple Dynamic Scenes

Heinz Hügli, Alexandre Bur

Visual attention models mimic the ability of a visual system, to detect potentially relevant parts of a scene. This process of attentional selection is a prerequisite for higher level tasks such as object recognition. Given the high relevance of temporal a ...

2007

Adaptive visual attention model

Heinz Hügli, Alexandre Bur

Visual attention, defined as the ability of a biological or artificial vision system to rapidly detect potentially relevant parts of a visual scene, provides a general purpose solution for low level feature detection in a vision architecture. Well consider ...

2007

The optomotor response: a robust first-line visual screening method for mice

In both scotopic and photopic conditions, the rotation of a grating was found to elicit head movements in mice. The highest spatial frequency eliciting this optomotor response provided an estimate of visual acuity. In male C57BL/6J mice, visual acuity incr ...

2005

Nonlinear ideal observation and recurrent preprocessing in perceptual learning

Michael Herzog

Residual micro-saccades, tremor and fixation errors imply that, on different trials in visual tasks, stimulus arrays are inevitably presented at different positions on the retina. Positional variation is likely to be specially important for tasks involving ...

Taylor & Francis2003

Photodynamic therapy with verteporfin for choroidal neovascularization caused by age-related macular degeneration: results of retreatments in a phase 1 and 2 study

Hubert van den Bergh, Guillaume Donati

OBJECTIVES: To evaluate safety and short-term visual acuity and fluorescein angiographic effects of photodynamic therapy (PDT) after retreatments with verteporfin for choroidal neovascularization (CNV) in age-related macular degeneration (AMD) that demonst ...

1999