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Full-reference objective quality metrics for video watermarking, video segmentation and 3D model watermarking

Publications associées (98)

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Towards Perceptually Driven Segmentation Evaluation Metrics

Touradj Ebrahimi, Elisa Drelie Gelasca

To be reliable, an automatic segmentation evaluation metric has to be validated by subjective tests. In this paper, a formal protocol for subjective tests for segmentation quality assessment is presented. The most common artifacts produced by segmentation ...

IEEE2004

Semantic Segmentation and Description for Video Transcoding

Touradj Ebrahimi

We present an automatic content-based video transcoding algorithm which is based on how humans perceive visual information. The transcoder support multiple video objects and their description. First the video is decomposed into meaningful objects through s ...

IEEE2003

Object-based video: extraction tools, evaluation metrics, and applications

Touradj Ebrahimi, Andrea Cavallaro

The representation of video information in terms of its content is atthe foundation of many multimedia applications, such as broadcasting,content-based information retrieval, interactive video, remotesurveillance and entertainment. In particular, object-ba ...

2003

Perceptual Quality Assessment for Video Watermarking

Touradj Ebrahimi, Elisa Drelie Gelasca

The reliable evaluation of the performance of watermarking algorithms is difficult. An important aspect in this process is the assessment of the visibility of the watermark. In this paper, we address this issue and propose a methodology for evaluating the ...

EUSIPCO2002

Cellular automata and other cellular systems

Mathieu Capcarrère

Nature abounds in examples of cellular systems. From ant colonies to cellular tissues, from molecular systems to the human brain, cellularity seems to be the way Nature operates. The brain, surely one of the most complex objects to be found on earth, is th ...

EPFL2002

Objective evaluation of segmentation quality using spatio-temporal context

Touradj Ebrahimi, Elisa Drelie Gelasca

In this paper, we propose an automatic method for the objective evaluation of segmentation results. The method is based on computing the deviation of the segmentation results from a reference segmentation. The discrepancy between two results is weighted ba ...

EUSIPCO2002

Evaluation of video segmentation methods for surveillance applications

Touradj Ebrahimi

Current research on performance evaluation of video segmentation methods is primarily focussed on the development of objective figures of merit. There is no standardised methodology for subjective evaluations of segmentation performance and these are curre ...

2000

Perceptual Quality Measure using a Spatio-Temporal Model of the Human Visual System

Olivier Verscheure

This paper addresses the problem of quality estimation of digitally coded video sequences. The topic is of great interest since many products in digital video are about to be released and it is thus important to have robust methodologies for testing and pe ...

1996