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Volume 30, Issue 5May 2008
Reflects downloads up to 18 Feb 2025Bibliometrics
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research-article
A Comparative Study of Staff Removal Algorithms

This paper presents a quantitative comparison of different algorithms for the removal of stafflines from music images. It contains a survey of previously proposed algorithms and suggests a new skeletonization based approach. We define three different ...

research-article
Markov Random Field-Based Statistical Character Structure Modeling for Handwritten Chinese Character Recognition

This paper proposes a statistical-structural character modeling method based on Markov random fields (MRFs) for handwritten Chinese character recognition (HCCR). The stroke relationships of a Chinese character reflect its structure, which can be ...

research-article
Superquadric Segmentation in Range Images via Fusion of Region and Boundary Information

The high potential of Superquadrics as modeling elements for image segmentation tasks has been pointed out since years in the computer vision community. In this work we employ superquadrics as modeling elements for multiple object segmentation in range ...

research-article
Riemannian Manifold Learning

Recently, manifold learning has been widely exploited in pattern recognition, data analysis, and machine learning. This paper presents a novel framework, called Riemannian manifold learning (RML), based on the assumption that the input high-dimensional ...

research-article
Efficient Multiclass ROC Approximation by Decomposition via Confusion Matrix Perturbation Analysis

ROC analysis has become a standard tool in the design and evaluation of 2-class classification problems. It allows for an analysis that incorporates all possible priors, costs, and operating points, which is important in many real problems, where ...

research-article
Theoretical Foundations of Spatially-Variant Mathematical Morphology Part I: Binary Images

We develop a general theory of spatially-variant (SV) mathematical morphology for binary images in the Euclidean space. The basic SV morphological operators (i.e., SV erosion, SV dilation, SV opening and SV closing) are defined. We demonstrate the ...

research-article
Theoretical Foundations of Spatially-Variant Mathematical Morphology Part II: Gray-Level Images

In this paper, we develop a spatially-variant (SV) mathematical morphology theory for gray-level signals and images in the Euclidean space. The proposed theory preserves the geometrical concept of the structuring function, which provides the foundation ...

research-article
Coarse-to-Fine Segmentation and Tracking Using Sobolev Active Contours

Recently proposed Sobolev active contours introduced a new paradigm for minimizing energies defined on curves by changing the traditional cost of perturbing a curve and thereby redefining their gradients. Sobolev active contours evolve more globally and ...

research-article
A Factorization-Based Approach for Articulated Nonrigid Shape, Motion and Kinematic Chain Recovery From Video

Recovering articulated shape and motion, especially human body motion, from video is a challenging problem with a wide range of applications in medical study, sport analysis and animation, etc. Previous work on articulated motion recovery generally ...

research-article
Nonrigid Structure-from-Motion: Estimating Shape and Motion with Hierarchical Priors

This paper describes methods for recovering time-varying shape and motion of non-rigid 3D objects from uncalibrated 2D point tracks. For example, given a video recording of a talking person, we would like to estimate the 3D shape of the face at each ...

research-article
Video Behavior Profiling for Anomaly Detection

This paper aims to address the problem of modelling video behaviour captured in surveillancevideos for the applications of online normal behaviour recognition and anomaly detection. A novelframework is developed for automatic behaviour profiling and ...

research-article
Modeling, Clustering, and Segmenting Video with Mixtures of Dynamic Textures

A dynamic texture is a spatio-temporal generative model for video, which represents video sequences as observations from a linear dynamical system. This work studies the mixture of dynamic textures, a statistical model for an ensemble of video sequences ...

erratum
Correction to "MAC: Magnetostatic Active Contour Model:"

In the above titled paper (ibid., vol. 30, no. 4, pp. 632-646, Apr 08), there was an error in a definition. The correct definition is presented here.

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