Home

Person

Philippe Hanhart

This person is no longer with EPFL

About
Privacy
Disclaimer

Graph Chatbot

Related publications (38)

Predicting Subjective Sensation of Reality During Multimedia Consumption Based on EEG and Peripheral Physiological Signals

Touradj Ebrahimi, Philippe Hanhart, Jong Seok Lee, Eleni Kroupi, Martin Rerabek

Sensation of reality refers to the ability of users to feel present in a multimedia experience. As 3D technologies target to provide more immersive and higher quality multimedia experiences, it is important to understand Quality of Experience (QoE) and sen ...

2014

Free-Viewpoint Video Sequences: a New Challenge for Objective Quality Metrics

Touradj Ebrahimi, Philippe Hanhart

Free-viewpoint television is expected to create a more natural and interactive viewing experience by providing the ability to interactively change the viewpoint to enjoy a 3D scene. To render new virtual viewpoints, free-viewpoint systems rely on view synt ...

2014

Subjective Quality Evaluation Of High Dynamic Range Video And Display For Future TV

Touradj Ebrahimi, Philippe Hanhart

The main objective of this paper is to verify test methodologies for assessment high dynamic range (HDR) video. To achieve this, a next generation HDR monitor by Dolby Laboratories was used to display professionally produced HDR content, including some sce ...

2014

EEG correlates during video quality perception

Touradj Ebrahimi, Philippe Hanhart, Jong Seok Lee, Eleni Kroupi, Martin Rerabek

Understanding Quality of Experience (QoE) in various multimedia contents is still challenging. In this paper, we investigate the way QoE affects brain oscillations captured by electroencephalography (EEG). In particular, sixteen subjects watched 2D and 3D ...

2014

Impact of Ultra High Definition on Visual Attention

Touradj Ebrahimi, Philippe Hanhart, Hiromi Nemoto

Ultra high definition (UHD) TV is rapidly replacing high definition (HD) TV but little is known of its effects on human visual attention. However, a clear understanding of this effect is important, since accurate models, evaluation methodologies, and metri ...

2014

Crowd-based quality assessment of multiview video plus depth coding

Touradj Ebrahimi, Philippe Hanhart

Crowdsourcing is becoming a popular cost effective alternative to lab-based evaluations for subjective quality assessment. However, crowd-based evaluations are constrained by the limited availability of display devices used by typical online workers, which ...

2014

EyeC3D: 3D video eye tracking dataset

Touradj Ebrahimi, Philippe Hanhart

Despite efforts of the scientific community in recent years, little is known about the mechanisms of the human visual system that control visual attention when watching 3D content. To help understanding these mechanisms and develop more accurate visual att ...

2014

Survey of Web-based Crowdsourcing Frameworks for Subjective Quality Assessment

Philippe Hanhart

The popularity of the crowdsourcing for performing various tasks online increased significantly in the past few years. The low cost and flexibility of crowdsourcing, in particular, attracted researchers in the field of subjective multimedia evaluations and ...

2014

Cross-lab Subjective Evaluation of the MVC+D and 3D-AVC 3D Video Coding Standards

Touradj Ebrahimi, Philippe Hanhart

Consistent and imitable subjective measurement 3D video quality assessment is investigated for evaluating 3D service parameters and as an essential criterion towards the development of objective models. This paper analyzes the results obtained from three t ...

2014

Ultra-Eye: UHD and HD images eye tracking dataset

Touradj Ebrahimi, Philippe Hanhart, Hiromi Nemoto

Due to the recent advances in ultra high definition (UHD) displays, UHD TV may replace HD TV in a near future. However, little is known about the effect of UHD content on human visual perception, specifically, on human visual attention, viewing strategies, ...

2014

Predicting 3D Quality based on Content Analysis

Touradj Ebrahimi, Philippe Hanhart

Development of objective quality metrics that can reliably predict perceived quality of 3D video sequences is challenging. Various 3D objective metrics have been proposed, but PSNR is still widely used. Several studies have shown that PSNR is strongly cont ...

2013

On the evaluation of 3D codecs on multiview autostereoscopic display

Touradj Ebrahimi, Philippe Hanhart

Evaluating the performance of different 3D codecs on multiview autostereoscopic monitor is a tedious process, as it requires the synthesis of a dense set of views. Therefore, it is legitimate to ask if evaluations could be performed on stereoscopic monitor ...

2013

Quality Assessment of a Stereo Pair Formed From Two Synthesized Views Using Objective Metrics

Touradj Ebrahimi, Philippe Hanhart

When a stereo pair is formed from two synthesized views, it is unclear whether objective 2D quality metrics can provide a good estimation of the perceived quality. In this paper, this problem is addressed considering a 3D video represented in multiview vid ...

2013

JPEG backward compatible format for 3D content representation

Touradj Ebrahimi, Philippe Hanhart, Martin Rerabek

Different formats and compression algorithms have been proposed for 3D video content, but 3D images are still mostly represented as a stereo pair only. However, for enhanced 3D rendering capabilities, such as depth perception adjustment or display size ada ...

2013

Benchmarking of quality metrics on ultra-high definition video sequences

Touradj Ebrahimi, Philippe Hanhart

The performance of objective quality metrics for high-definition (HD) video sequences is well studied, but little is known about their performance for ultra-high definition (UHD) video sequences. This paper analyzes the performance of several common object ...

2013

A quality assessment protocol for Free-viewpoint video sequences synthesized from decompressed depth data

Touradj Ebrahimi, Philippe Hanhart

In this paper, the analysis of a subjective quality experiment consisting in assessing the quality of free-viewpoint video sequences generated from decompressed depth data is presented. In the absence of a dedicated subjective assessment protocol for the e ...

2013

Quality Assessment of a Stereo Pair Formed From Decoded and Synthesized Views Using Objective Metrics

Touradj Ebrahimi, Philippe Hanhart

When a stereo pair is formed from a decoded view and a synthesized view, it is unclear how the overall quality of the stereo pair should be assessed through objective quality metrics. In this paper, this problem is addressed considering a 3D video represen ...

2012

Quality Assessment of Asymmetric Stereo Pair Formed From Decoded and Synthesized Views

Touradj Ebrahimi, Philippe Hanhart, Francesca De Simone

2012

Page 2 of 2