Concept

Videotelephony

Publications associées (58)

Quality Evaluation of HEVC and VP9 Video Compression in Real-Time Applications

Touradj Ebrahimi, Philippe Hanhart, Martin Rerabek

Video consumption over Internet has increased significantly over the recent years and occupies the majority of the overall data traffic. To decrease the load on the Internet infrastructure and reduce bandwidth taken by video, higher efficiency video codecs ...

2015

A Real-time Multi-aperture Omnidirectional Visual Sensor Based on Interconnected Network of Smart Cameras

Alexandre Schmid, Yusuf Leblebici, Vladan Popovic, Hossein Afshari, Abdulkadir Akin, Kerem Seyid, Ömer Cogal

Centralized and multi-level implementations of the Panoptic omnidirectional multiaperture visual system were previously presented by the authors, relying on transmission of all camera outputs to a single central processing node for omnidirectional image an ...

Institute of Electrical and Electronics Engineers2015

A Real-time Inertial Motion Blur Metric

Mehmet Hasan Mutlu

Mobile robots suffer from sensor data corruption due to body oscillations and disturbances. Especially, information loss on images captured with onboard cameras can be extremely high and such loss may become irreversible or deblurring can be computationall ...

IEEE2014

A Real-time Inertial Motion Blur Metric: Application to Frame Triggering Based Motion Blur Minimization

Mehmet Hasan Mutlu

Mobile robots suffer from sensory data corruption due to body oscillations and disturbances. In particular, information loss on images captured with onboard cameras can be very high, and such loss may become irreversible or computationally costly to undo. ...

IEEE2014

A real-time multi-aperture omnidirectional visual sensor with interconnected network of smart cameras

Hossein Afshari

A novel omnidirectional visual sensor called the Panoptic camera is introduced. The Panoptic camera is an omnidirectional multi-aperture visual system which is realized by mounting multiple camera sensors on a hemispherical frame. The introduced visual sen ...

EPFL2013

Growth Codes: Intermediate Performance Analysis and Application to Video

Pascal Frossard, Nikolaos Thomos, Rethnakaran Pulikkoonattu

Growth codes are a subclass of Rateless codes that have found interesting applications in data dissemination problems. Compared to other Rateless and conventional channel codes, Growth codes show improved intermediate performance which is particularly usef ...

Institute of Electrical and Electronics Engineers2013

Visual and Force Feedback Time-Delays Change Telepresence: Quantitative Evidence from Crossmodal Congruecy Task

Olaf Blanke, Hannes Bleuler, Michiel van Elk

In the field of surgical robotics, it is difficult to find objective assessment techniques for evaluating telepresence. In this study we try to merge the concepts from cognitive neuroscience more specifically from the field of tool incorporation (embodimen ...

Ieee2013

A Real-time Multi-camera System with Omnidirectional Image Reconstruction Capability

Pierre Vandergheynst, Alexandre Schmid, Luigi Bagnato, Yusuf Leblebici, Mahdad Hosseini Kamal, Vladan Popovic, Hossein Afshari

A new plenoptic sensor inspired from the visual system of flying insects is introduced. This sensor is referred to as the Panoptic camera. This system has two distinguished features. First, it is an omnidirectional camera capable of recording light informa ...

2012

Enhanced Omnidirectional Image Reconstruction Algorithm and its Real-Time Hardware

Alexandre Schmid, Yusuf Leblebici, Hossein Afshari, Abdulkadir Akin

Omnidirectional stereoscopy and depth estimation are complex problems of image processing to which the Panoptic camera offers a novel solution. The Panoptic camera is a biologically-inspired vision sensor made of multiple cameras. It is a polydioptric syst ...

2012

A Spherical Multi-camera System with Real-time Omnidirectional Video Acquisition Capability

Alexandre Schmid, Yusuf Leblebici, Vladan Popovic, Hossein Afshari

A multi-camera system inspired from the visual system of flying insects is introduced which is referred to as the Panoptic camera. In the Panoptic system each camera is mounted over a hemispherical geometry and has its own vision of surrounding and distinc ...

Institute of Electrical and Electronics Engineers2012

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