Articles

Feature-Based Image Comparison for Semantic Neighbor Selection in Resource-Constrained Visual Sensor Networks

Visual Sensor Networks (VSNs), formed by large number of low-cost, small-size visual sensor nodes, represent a new trend in surveillance and monitoring practices. Sensor collaboration is essential to VSNs and ...

Authors: Yang Bai and Hairong Qi

Joint Rendering and Segmentation of Free-Viewpoint Video

This paper presents a method that jointly performs synthesis and object segmentation of free-viewpoint video using multiview video as the input. This method is designed to achieve robust segmentation from onli...

Authors: Masato Ishii, Keita Takahashi and Takeshi Naemura

Design of Vertically Aligned Binocular Omnistereo Vision Sensor

Catadioptric omnidirectional vision sensor (ODVS) with a fixed single view point is a fast and reliable single panoramic visual information acquisition equipment. This paper presents a new type of binocular st...

Authors: Yi-ping Tang, Qing Wang, Ming-li Zong, Jun Jiang and Yi-hua Zhu

Natural Enhancement of Color Image

A new algorithm of Natural Enhancement of Color Image (NECI) is proposed. It is inspired by multiscale Retinex model. There are four steps to realize this enhancement. At first, the image appearance is rendere...

Authors: Shaohua Chen and Azeddine Beghdadi

Design and Optimization of the VideoWeb Wireless Camera Network

Sensor networks have been a very active area of research in recent years. However, most of the sensors used in the development of these networks have been local and nonimaging sensors such as acoustics, seismi...

Authors: Hoang Thanh Nguyen, Bir Bhanu, Ankit Patel and Ramiro Diaz

A Framework for the Assessment of Temporal Artifacts in Medium Frame-Rate Binary Video Halftones

Display of a video having a higher number of bits per pixel than that available on the display device requires quantization prior to display. Video halftoning performs this quantization so as to reduce visibil...

Authors: Hamood-Ur Rehman and Brian L. Evans

Red-Eyes Removal through Cluster-Based Boosting on Gray Codes

Since the large diffusion of digital camera and mobile devices with embedded camera and flashgun, the redeyes artifacts have de facto become a critical problem. The technique herein described makes use of thre...

Authors: Sebastiano Battiato, Giovanni Maria Farinella, Mirko Guarnera, Giuseppe Messina and Daniele Ravì

Towards Video Quality Metrics Based on Colour Fractal Geometry

Vision is a complex process that integrates multiple aspects of an image: spatial frequencies, topology and colour. Unfortunately, so far, all these elements were independently took into consideration for the ...

Authors: Mihai Ivanovici, Noël Richard and Christine Fernandez-Maloigne

Rigid Registration of Renal Perfusion Images Using a Neurobiology-Based Visual Saliency Model

General mutual information- (MI-) based registration methods treat all voxels equally. But each voxel has a different utility depending upon the task. Because of its robustness to noise, low computation time, ...

Authors: Dwarikanath Mahapatra and Ying Sun

Error Evaluation in a Stereovision-Based 3D Reconstruction System

The work presented in this paper deals with the performance analysis of the whole 3D reconstruction process of imaged objects, specifically of the set of geometric primitives describing their outline and extra...

Authors: Abdelkrim Belhaoua, Sophie Kohler and Ernest Hirsch

Real-Time Multiple Moving Targets Detection from Airborne IR Imagery by Dynamic Gabor Filter and Dynamic Gaussian Detector

This paper presents a robust approach to detect multiple moving targets from aerial infrared (IR) image sequences. The proposed novel method is based on dynamic Gabor filter and dynamic Gaussian detector. Firs...

Authors: Fenghui Yao, Guifeng Shao, Ali Sekmen and Mohan Malkani

Fast and Robust Methods for Multiple-View Vision

Authors: Ling Shao, Hui Zhang, KennethKY Wong and Jiebo Luo

Characterization of Necking Phenomena in High-Speed Experiments by Using a Single Camera

The purpose of the experiment described herein is the study of material deformation (here a cylinder) induced by explosives. During its expansion, the cylinder (initially 3 mm thick) is thinning until fracture...

Authors: Gilles Besnard, Jean-Michel Lagrange, François Hild, Stéphane Roux and Christophe Voltz

Multiplicative Noise Removal via a Novel Variational Model

Multiplicative noise appears in various image processing applications, such as synthetic aperture radar, ultrasound imaging, single particle emission-computed tomography, and positron emission tomography. Henc...

Authors: Li-Li Huang, Liang Xiao and Zhi-Hui Wei

A Multimodal Constellation Model for Object Image Classification

We present an efficient method for object image classification. The method is an extention of the constellation model, which is a part-based model. Generally, constellation model has two weak points. (1) It is...

Authors: Yasunori Kamiya, Tomokazu Takahashi, Ichiro Ide and Hiroshi Murase

Handling Occlusions for Robust Augmented Reality Systems

In Augmented Reality applications, the human perception is enhanced with computer-generated graphics. These graphics must be exactly registered to real objects in the scene and this requires an effective Augme...

Authors: Madjid Maidi, Fakhreddine Ababsa and Malik Mallem

Unsupervised Action Classification Using Space-Time Link Analysis

We address the problem of unsupervised discovery of action classes in video data. Different from all existing methods thus far proposed for this task, we present a space-time link analysis approach which consi...

Authors: Haowei Liu, Rogerio Feris, Volker Krueger and Ming-Ting Sun

Special Issue in MultiMedia Modeling

Authors: Benoit Huet, Alan F. Smeaton, Ketan Mayer-Patel and Yannis Avrithis

Exploiting Textons Distributions on Spatial Hierarchy for Scene Classification

This paper proposes a method to recognize scene categories using bags of visual words obtained by hierarchically partitioning into subregion the input images. Specifically, for each subregion the Textons distr...

Authors: S Battiato, GM Farinella, G Gallo and D Ravì

Generating the Depth Map from the Motion Information of H.264-Encoded 2D Video Sequence

An efficient method that estimates the depth map of a 3D-scene using the motion information of the H.264-encoded 2D-video is presented. The motion information of the video-frames captured via a single camera i...

Authors: Mahsa T Pourazad, Panos Nasiopoulos (EURASIP Member) and Rabab K Ward

An Iterative Surface Evolution Algorithm for Multiview Stereo

We propose a new iterative surface evolution algorithm for multiview stereo. Starting from an embedding space such as the visual hull, we will first conduct robust 3D depth estimation (represented as 3D points...

Authors: Yongjian Xi and Ye Duan

From 2D Silhouettes to 3D Object Retrieval: Contributions and Benchmarking

3D retrieval has recently emerged as an important boost for 2D search techniques. This is mainly due to its several complementary aspects, for instance, enriching views in 2D image datasets, overcoming occlusi...

Authors: Thibault Napoléon and Hichem Sahbi

Distributed Video Coding: Trends and Perspectives

This paper surveys recent trends and perspectives in distributed video coding. More specifically, the status and potential benefits of distributed video coding in terms of coding efficiency, complexity, error ...

Authors: Frederic Dufaux, Wen Gao, Stefano Tubaro and Anthony Vetro

Rate Control Performance under End-User's Perspective: A Test Tool

The Internet has been experiencing a large growth of multimedia traffic of applications performing over an RTP stack implemented on top of UDP/IP. Since UDP does not offer a congestion control mechanism (unlik...

Authors: Cristian Koliver, Jean-Marie Farines, Barbara Busse and Hermann De Meer

Image and Video Processing for Cultural Heritage

Authors: Vincent Charvillat, Anna Tonazzini, Luc Van Gool and Nikos Nikolaidis

Per-Sample Multiple Kernel Approach for Visual Concept Learning

Learning visual concepts from images is an important yet challenging problem in computer vision and multimedia research areas. Multiple kernel learning (MKL) methods have shown great advantages in visual conce...

Authors: Jingjing Yang, Yuanning Li, Yonghong Tian, Ling-Yu Duan and Wen Gao

Acquiring Multiview C-Arm Images to Assist Cardiac Ablation Procedures

CARTO XP is an electroanatomical cardiac mapping system that provides 3D color-coded maps of the electrical activity of the heart; however it is expensive and it can only use a single costly magnetic catheter for...

Authors: Pascal Fallavollita

Fast Graph Partitioning Active Contours for Image Segmentation Using Histograms

We present a method to improve the accuracy and speed, as well as significantly reduce the memory requirements, for the recently proposed Graph Partitioning Active Contours (GPACs) algorithm for image segmenta...

Authors: Sumit K. Nath and Kannappan Palaniappan

High-Definition 3D Stereoscopic Microscope Display System for Biomedical Applications

Biomedical research has been performed by using advanced information techniques, and micro-high-quality stereo images have been used by researchers and/or doctors for various aims in biomedical research and su...

Authors: Ki-Chul Kwon, Young-Tae Lim, Nam Kim, Kwan-Hee Yoo, Jong-Myeon Hong and Gi-Chang Park

Detailed Performance and Waiting-Time Predictability Analysis of Scheduling Options in On-Demand Video Streaming

The number of on-demand video streams that can be supported concurrently is highly constrained by the stringent requirements of real-time playback and high transfer rates. To address this problem, stream mergi...

Authors: Mohammad A. Alsmirat and Nabil J. Sarhan

Model-Based Hand Tracking by Chamfer Distance and Adaptive Color Learning Using Particle Filter

We propose a new model-based hand tracking method for recovering of three-dimensional hand motion from an image sequence. We first build a three-dimensional hand model using truncated quadrics. The degrees of ...

Authors: Chutisant Kerdvibulvech and Hideo Saito

Optical Music Recognition for Scores Written in White Mensural Notation

An Optical Music Recognition (OMR) system especially adapted for handwritten musical scores of the XVII-th and the early XVIII-th centuries written in white mensural notation is presented. The system performs ...

Authors: Lorenzo J. Tardón, Simone Sammartino, Isabel Barbancho, Verónica Gómez and Antonio Oliver

Augmented Reality for Art, Design and Cultural Heritage—System Design and Evaluation

This paper describes the design of an optical see-through head-mounted display (HMD) system for Augmented Reality (AR). Our goals were to make virtual objects "perfectly" indistinguishable from real objects, w...

Authors: Jurjen Caarls, Pieter Jonker, Yolande Kolstee, Joachim Rotteveel and Wim van Eck

Procedural Modeling for Digital Cultural Heritage

The rapid development of computer graphics and imaging provides the modern archeologist with several tools to realistically model and visualize archeological sites in 3D. This, however, creates a tension betwe...

Authors: Simon Haegler, Pascal Müller and Luc Van Gool

Adapted Active Appearance Models

Active Appearance Models (AAMs) are able to align efficiently known faces under duress, when face pose and illumination are controlled. We propose Adapted Active Appearance Models to align unknown faces in unk...

Authors: Renaud Séguier, Sylvain Le Gallou, Gaspard Breton and Christophe Garcia

RVM-Based Human Action Classification in Crowd through Projection and Star Skeletonization

Detection of abnormal human actions in the crowd has become a critical problem in video surveillance applications like terrorist attacks. This paper proposes a real-time video surveillance system which is capa...

Authors: B Yogameena, S Veeralakshmi, E Komagal, S Raju and V Abhaikumar

Resistivity Probability Tomography Imaging at the Castle of Zena, Italy

We present the results of an electrical resistivity investigation performed at Castle of Zena (Castello di Zena), a 13th-century fortress located between the towns of Fiorenzuola and Piacenza in the Emilia Rom...

Authors: Vincenzo Compare, Marilena Cozzolino, Paolo Mauriello and Domenico Patella

Multimedia in Cultural Heritage Manuscripts: Integrating Description, Transcription, and Image Content

Cultural heritage documents are often subject to digitization processes resulting in image material, even for textual contents. It is therefore common, in collections of valuable documents, to have descriptive...

Authors: Catalin Calistru, Cristina Ribeiro and Gabriel David

Continuous Learning of a Multilayered Network Topology in a Video Camera Network

A multilayered camera network architecture with nodes as entry/exit points, cameras, and clusters of cameras at different layers is proposed. Unlike existing methods that used discrete events or appearance inf...

Authors: Xiaotao Zou, Bir Bhanu and Amit Roy-Chowdhury

Context-Based Defading of Archive Photographs

We present an algorithm for the enhancement of contrast in digitized archive photographic prints. It aims at producing an adaptive enhancement based on the local context of each pixel and is able to operate wi...

Authors: V Bruni (EURASIP Member), G Ramponi, A Restrepo and D Vitulano

Multispectral Acquisition of Large-Sized Pictorial Surfaces

Multispectral acquisition of artworks has recently received considerable attention in the image processing community. Quite understandably, so far this attention has mainly focused on paintings, given their pr...

Authors: Anna Paviotti, Filippo Ratti, Luca Poletto and Guido Maria Cortelazzo

Triangular Wavelets: An Isotropic Image Representation with Hexagonal Symmetry

This paper introduces triangular wavelets, which are two-dimensional nonseparable biorthogonal wavelets defined on the regular triangular lattice. The construction that we propose is a simple nonseparable exte...

Authors: Kensuke Fujinoki and Oleg V. Vasilyev

Modeling and Visualization of Human Activities for Multicamera Networks

Multicamera networks are becoming complex involving larger sensing areas in order to capture activities and behavior that evolve over long spatial and temporal windows. This necessitates novel methods to proce...

Authors: Aswin C. Sankaranarayanan, Robert Patro, Pavan Turaga, Amitabh Varshney and Rama Chellappa

A New Technique for the Digitization and Restoration of Deteriorated Photographic Negatives

This work describes the development and analysis of a new image-based photonegative restoration system. Deteriorated acetate-based safety negatives are complex objects due to the separation and channeling of t...

Authors: George V. Landon, Duncan Clarke and Brent W. Seales

Boosting Discriminant Learners for Gait Recognition Using MPCA Features

This paper proposes a boosted linear discriminant analysis (LDA) solution on features extracted by the multilinear principal component analysis (MPCA) to enhance gait recognition performance. Three-dimensional...

Authors: Haiping Lu, KN Plataniotis and AN Venetsanopoulos

Human Motion Analysis via Statistical Motion Processing and Sequential Change Detection

The widespread use of digital multimedia in applications, such as security, surveillance, and the semantic web, has made the automated characterization of human activity necessary. In this work, a method for t...

Authors: Alexia Briassouli, Vagia Tsiminaki and Ioannis Kompatsiaris

A New Denoising System for SONAR Images

The SONAR images are perturbed by speckle noise. The use of speckle reduction filters is necessary to optimize the image exploitation procedures. This paper presents a new denoising method in the wavelet domai...

Authors: Alexandru Isar, Sorin Moga and Dorina Isar

Smooth Adaptation by Sigmoid Shrinkage

This paper addresses the properties of a subclass of sigmoid-based shrinkage functions: the non zeroforcing smooth sigmoid-based shrinkage functions or SigShrink functions. It provides a SURE optimization for ...

Authors: Abdourrahmane M. Atto, Dominique Pastor and Grégoire Mercier

Multichannel Texture Segmentation Using Bamberger Pyramids

A multichannel texture segmentation algorithm is presented based on the image pyramids produced with the Bamberger directional filter bank. An extensive evaluation of Bamberger pyramids and their design parame...

Authors: Jose Gerardo Rosiles and Mark J. T. Smith

On Parsing Visual Sequences with the Hidden Markov Model

Hidden Markov Models have been employed in many vision applications to model and identify events of interest. Their use is common in applications where HMMs are used to classify previously divided segments of ...

Authors: Naomi Harte, Daire Lennon and Anil Kokaram