Articles

Image and Video for Hearing Impaired People

We present a global overview of image- and video-processing-based methods to help the communication of hearing impaired people. Two directions of communication have to be considered: from a hearing person to a...

Authors: Alice Caplier, Sébastien Stillittano, Oya Aran, Lale Akarun, Gérard Bailly, Denis Beautemps, Nouredine Aboutabit and Thomas Burger

Optimal Features Subset Selection and Classification for Iris Recognition

The selection of the optimal features subset and the classification have become an important issue in the field of iris recognition. We propose a feature selection scheme based on the multiobjectives genetic a...

Authors: Kaushik Roy and Prabir Bhattacharya

Three-Dimensional SPIHT Coding of Volume Images with Random Access and Resolution Scalability

End users of large volume image datasets are often interested only in certain features that can be identified as quickly as possible. For hyperspectral data, these features could reside only in certain ranges ...

Authors: Emmanuel Christophe and WilliamA Pearlman

Video Analysis of Human Gait and Posture to Determine Neurological Disorders

This paper investigates the application of digital image processing techniques to the detection of neurological disorder. Visual information extracted from the postures and movements of a human gait cycle can ...

Authors: Howard Lee, Ling Guan and Ivan Lee

Image and Video Processing for Visually Handicapped People

This paper reviews the state of the art in the field of assistive devices for sight-handicapped people. It concentrates in particular on systems that use image and video processing for converting visual data i...

Authors: Thierry Pun, Patrick Roth, Guido Bologna, Konstantinos Moustakas and Dimitrios Tzovaras

Facial Image Processing

Authors: Christophe Garcia, Jörn Ostermann and Tim Cootes

Comparative Study of Contour Detection Evaluation Criteria Based on Dissimilarity Measures

We present in this article a comparative study of well-known supervised evaluation criteria that enable the quantification of the quality of contour detection algorithms. The tested criteria are often used or ...

Authors: Sébastien Chabrier, Hélène Laurent, Christophe Rosenberger and Bruno Emile

Monocular 3D Tracking of Articulated Human Motion in Silhouette and Pose Manifolds

This paper presents a robust computational framework for monocular 3D tracking of human movement. The main innovation of the proposed framework is to explore the underlying data structures of the body silhouet...

Authors: Feng Guo and Gang Qian

Fuzzy Mode Enhancement and Detection for Color Image Segmentation

This work lies within the scope of color image segmentation by pixel classification. The classes of pixels are constructed by detecting the modes of the spatial-color compactness function, which characterizes ...

Authors: Olivier Losson, Claudine Botte-Lecocq and Ludovic Macaire

A Color Topographic Map Based on the Dichromatic Reflectance Model

Topographic maps are an interesting alternative to edge-based techniques common in computer vision applications. Indeed, unlike edges, level lines are closed and less sensitive to external parameters. They pro...

Authors: Michèle Gouiffès and Bertrand Zavidovique

Optimization-Based Image Segmentation by Genetic Algorithms

Many works in the literature focus on the definition of evaluation metrics and criteria that enable to quantify the performance of an image processing algorithm. These evaluation criteria can be used to define...

Authors: S Chabrier, C Rosenberger, B Emile and H Laurent

Robust Color Image Superresolution: An Adaptive M-Estimation Framework

This paper introduces a new color image superresolution algorithm in an adaptive, robust M-estimation framework. Using a robust error norm in the objective function, and adapting the estimation process to each...

Authors: NohaA El-Yamany and PanosE Papamichalis

Color Image Coding by Colorization Approach

This paper proposes a new color image coding scheme called "colorization image coding." The scheme is based on the colorization technique which can colorize a monochrome image by giving a small number of color...

Authors: Takahiko Horiuchi and Shoji Tominaga

Improving the Quality of Color Colonoscopy Videos

Colonoscopy is currently one of the best methods to detect colorectal cancer. Nowadays, one of the widely used colonoscopes has a monochrome chipset recording successively at 60 Hz ...

Authors: Rozenn Dahyot, Fernando Vilariño and Gerard Lacey

A Fuzzy Color-Based Approach for Understanding Animated Movies Content in the Indexing Task

This paper proposes a method for detecting and analyzing the color techniques used in the animated movies. Each animated movie uses a specific color palette which makes its color distribution one major feature...

Authors: Bogdan Ionescu, Didier Coquin, Patrick Lambert and Vasile Buzuloiu

Are the Wavelet Transforms the Best Filter Banks for Image Compression?

Maximum regular wavelet filter banks have received much attention in the literature, and it is a general conception that they enjoy some type of optimality for image coding purposes. To investigate this claim,...

Authors: Ilangko Balasingham and Tor A. Ramstad

A Motion-Adaptive Deinterlacer via Hybrid Motion Detection and Edge-Pattern Recognition

A novel motion-adaptive deinterlacing algorithm with edge-pattern recognition and hybrid motion detection is introduced. The great variety of video contents makes the processing of assorted motion, edges, text...

Authors: GwoGiun Lee, Ming-Jiun Wang, Hsin-Te Li and He-Yuan Lin

Cued Speech Gesture Recognition: A First Prototype Based on Early Reduction

Cued Speech is a specific linguistic code for hearing-impaired people. It is based on both lip reading and manual gestures. In the context of THIMP (Telephony for the Hearing-IMpaired Project), we work on auto...

Authors: Thomas Burger, Alice Caplier and Pascal Perret

Quantification and Standardized Description of Color Vision Deficiency Caused by Anomalous Trichromats—Part I: Simulation and Measurement

The MPEG-21 Multimedia Framework allows visually impaired users to have an improved access to visual content by enabling content adaptation techniques such as color compensation. However, one important issue i...

Authors: Seungji Yang, YongMan Ro, EdwardK Wong and Jin-Hak Lee

Color-Based Image Retrieval Using Perceptually Modified Hausdorff Distance

In most content-based image retrieval systems, the color information is extensively used for its simplicity and generality. Due to its compactness in characterizing the global information, a uniform quantizati...

Authors: Bo Gun Park, Kyoung Mu Lee and Sang Uk Lee

Quantification and Standardized Description of Color Vision Deficiency Caused by Anomalous Trichromats—Part II: Modeling and Color Compensation

A color compensation scheme has been developed to enhance the perception of people with color vision deficiency (CVD) and for people suffering from anomalous trichromacy. It is operated within the MPEG-21 Mult...

Authors: Seungji Yang, YongMan Ro, EdwardK Wong and Jin-Hak Lee

Comparison of Image Transform-Based Features for Visual Speech Recognition in Clean and Corrupted Videos

We present results of a study into the performance of a variety of different image transform-based feature types for speaker-independent visual speech recognition of isolated digits. This includes the first re...

Authors: Rowan Seymour, Darryl Stewart and Ji Ming

Human Posture Tracking and Classification through Stereo Vision and 3D Model Matching

The ability of detecting human postures is particularly important in several fields like ambient intelligence, surveillance, elderly care, and human-machine interaction. This problem has been studied in recent...

Authors: Stefano Pellegrini and Luca Iocchi

Colour Vision Model-Based Approach for Segmentation of Traffic Signs

This paper presents a new approach to segment traffic signs from the rest of a scene via CIECAM, a colour appearance model. This approach not only takes CIECAM into practical application for the first time sin...

Authors: Xiaohong Gao, Kunbin Hong, Peter Passmore, Lubov Podladchikova and Dmitry Shaposhnikov

Combination of Accumulated Motion and Color Segmentation for Human Activity Analysis

The automated analysis of activity in digital multimedia, and especially video, is gaining more and more importance due to the evolution of higher-level video processing systems and the development of relevant...

Authors: Alexia Briassouli, Vasileios Mezaris and Ioannis Kompatsiaris

Anthropocentric Video Segmentation for Lecture Webcasts

Many lecture recording and presentation systems transmit slides or chalkboard content along with a small video of the instructor. As a result, two areas of the screen are competing for the viewer's attention, ...

Authors: Gerald Friedland and Raul Rojas

Unsupervised Video Shot Detection Using Clustering Ensemble with a Color Global Scale-Invariant Feature Transform Descriptor

Scale-invariant feature transform (SIFT) transforms a grayscale image into scale-invariant coordinates of local features that are invariant to image scale, rotation, and changing viewpoints. Because of its sca...

Authors: Yuchou Chang, DJ Lee, Yi Hong and James Archibald

Multiview-Based Cooperative Tracking of Multiple Human Objects

Human tracking is a popular research topic in computer vision. However, occlusion problem often complicates the tracking process. This paper presents the so-called multiview-based cooperative tracking of multi...

Authors: Kuo-Chin Lien and Chung-Lin Huang

Activity Representation Using 3D Shape Models

We present a method for characterizing human activities using 3D deformable shape models. The motion trajectories of points extracted from objects involved in the activity are used to build models for each act...

Authors: MohamedF Abdelkader, AmitK Roy-Chowdhury, Rama Chellappa and Umut Akdemir

Demosaicking Based on Optimization and Projection in Different Frequency Bands

A fast and effective iterative demosaicking algorithm is described for reconstructing a full-color image from single-color filter array data. The missing color values are interpolated on the basis of optimizat...

Authors: OsamaA Omer and Toshihisa Tanaka

Detection and Tracking of Humans and Faces

We present a video analysis framework that integrates prior knowledge in object tracking to automatically detect humans and faces, and can be used to generate abstract representations of video (key-objects and...

Authors: Stefan Karlsson, Murtaza Taj and Andrea Cavallaro

A Robust Approach to Segment Desired Object Based on Salient Colors

This paper presents a clustering-based color segmentation method where the desired object is focused on. As classical methods suffer from a lack of robustness, salient colors appearing in the object are used t...

Authors: Jérôme Da Rugna and Hubert Konik

Integrated Detection, Tracking, and Recognition of Faces with Omnivideo Array in Intelligent Environments

We present a multilevel system architecture for intelligent environments equipped with omnivideo arrays. In order to gain unobtrusive human awareness, real-time 3D human tracking as well as robust video-based ...

Authors: KohsiaS Huang and MohanM Trivedi

Biomedical Image Sequence Analysis with Application to Automatic Quantitative Assessment of Facial Paralysis

Facial paralysis is a condition causing decreased movement on one side of the face. A quantitative, objective, and reliable assessment system would be an invaluable tool for clinicians treating patients with t...

Authors: Shu He, JohnJ Soraghan and BrianF O'Reilly

New Structured Illumination Technique for the Inspection of High-Reflective Surfaces: Application for the Detection of Structural Defects without any Calibration Procedures

We present a novel solution for automatic surface inspection of metallic tubes by applying a structured illumination. The strength of the proposed approach is that both structural and textural surface defects ...

Authors: Yannick Caulier, Klaus Spinnler, Salah Bourennane and Thomas Wittenberg

3D Shape-Encoded Particle Filter for Object Tracking and Its Application to Human Body Tracking

We present a nonlinear state estimation approach using particle filters, for tracking objects whose approximate 3D shapes are known. The unnormalized conditional density for the solution to the nonlinear filte...

Authors: H Moon and R Chellappa

Image and Video Indexing Using Networks of Operators

This article presents a framework for the design of concept detection systems for image and video indexing. This framework integrates in a homogeneous way all the data and processing types. The semantic gap is...

Authors: Stéphane Ayache, Georges Quénot and Jérôme Gensel

Enabling Seamless Access to Digital Graphical Contents for Visually Impaired Individuals via Semantic-Aware Processing

Vision is one of the main sources through which people obtain information from the world, but unfortunately, visually-impaired people are partially or completely deprived of this type of information. With the ...

Authors: Zheshen Wang, Xinyu Xu and Baoxin Li

A Multifunctional Reading Assistant for the Visually Impaired

In the growing market of camera phones, new applications for the visually impaired are nowadays being developed thanks to the increasing capabilities of these equipments. The need to access to text is of prima...

Authors: Céline Mancas-Thillou, Silvio Ferreira, Jonathan Demeyer, Christophe Minetti and Bernard Gosselin

Compression of Human Motion Animation Using the Reduction of Interjoint Correlation

We propose two compression methods for the human motion in 3D space, based on the forward and inverse kinematics. In a motion chain, a movement of each joint is represented by a series of vector signals in 3D ...

Authors: Shiyu Li, Masahiro Okuda and Shin-ichi Takahashi

Models for Gaze Tracking Systems

One of the most confusing aspects that one meets when introducing oneself into gaze tracking technology is the wide variety, in terms of hardware equipment, of available systems that provide solutions to the s...

Authors: Arantxa Villanueva and Rafael Cabeza

Automatic Eye Winks Interpretation System for Human-Machine Interface

This paper proposes an automatic eye-wink interpretation system for human-machine interface to benefit the severely handicapped people. Our system consists of (1) applying the support vector machine (SVM) to d...

Authors: Che Wei-Gang, Chung-Lin Huang and Wen-Liang Hwang

Telescopic Vector Composition and Polar Accumulated Motion Residuals for Feature Extraction in Arabic Sign Language Recognition

This work introduces two novel approaches for feature extraction applied to video-based Arabic sign language recognition, namely, motion representation through motion estimation and motion representation throu...

Authors: T Shanableh and K Assaleh

Indexing of Fictional Video Content for Event Detection and Summarisation

This paper presents an approach to movie video indexing that utilises audiovisual analysis to detect important and meaningful temporal video segments, that we term events. We consider three event classes, corresp...

Authors: Bart Lehane, NoelE O'Connor, Hyowon Lee and AlanF Smeaton

Perceptual Image Representation

This paper describes a rarity-based visual attention model working on both still images and video sequences. Applications of this kind of models are numerous and we focus on a perceptual image representation w...

Authors: Matei Mancas, Bernard Gosselin and Benoît Macq

A Combined PMHT and IMM Approach to Multiple-Point Target Tracking in Infrared Image Sequence

Data association and model selection are important factors for tracking multiple targets in a dense clutter environment. In this paper, we provide an effective solution to the tracking of multiple single-pixel...

Authors: MukeshA Zaveri, SN Merchant and UdayB Desai

Color Targets: Fiducials to Help Visually Impaired People Find Their Way by Camera Phone

A major challenge faced by the blind and visually impaired population is that of wayfinding—the ability of a person to find his or her way to a given destination. We propose a new wayfinding aid based on a cam...

Authors: James Coughlan and Roberto Manduchi

Fusion of Appearance Image and Passive Stereo Depth Map for Face Recognition Based on the Bilateral 2DLDA

This paper presents a novel approach for face recognition based on the fusion of the appearance and depth information at the match score level. We apply passive stereoscopy instead of active range scanning as ...

Authors: Jian-Gang Wang, Hui Kong, Eric Sung, Wei-Yun Yau and EamKhwang Teoh

View Influence Analysis and Optimization for Multiview Face Recognition

We present a novel method to recognize a multiview face (i.e., to recognize a face under different views) through optimization of multiple single-view face recognitions. Many current face descriptors show quit...

Authors: Won-Sook Lee and Kyung-Ah Sohn

Transforming 3D Coloured Pixels into Musical Instrument Notes for Vision Substitution Applications

The goal of the See ColOr project is to achieve a noninvasive mobility aid for blind users that will use the auditory pathway to represent in real-time frontal image scenes. We present and discuss here two ima...

Authors: Guido Bologna, Benoît Deville, Thierry Pun and Michel Vinckenbosch