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  1. No Access

    Chapter and Conference Paper

    Two methods for a reliable corner detection in 2D images

    In this paper, we apply successively two methods for corner detection in two-dimensional images, i.e. a differential geometrybased approach relying on multi-scale curvature computation and curvature extrema ex...

    Richard Lengagne, Olivier Monga, Cong Ge… in Image Analysis Applications and Computer G… (1995)

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    Chapter and Conference Paper

    B-spline based multiscale signal derivative filtering

    We first generalize the multiscale filter proposed by Li and Ma[1] and then we use the method and B-spline as its kernel to construct multiscale derivative filters, we show that the filter can be recursively i...

    Ge Cong, SongDe Ma in Image Analysis Applications and Computer Graphics (1995)

  3. Chapter and Conference Paper

    Derivatives in scale space

    Various derivatives (1st to 4th order) describe different signal characters in scale space: the first derivative represents signal variation which can be used for coding; the second derivative characterizes th...

    Ge Cong, SongDe Ma in Advances in Structural and Syntactical Pattern Recognition (1996)

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    Chapter and Conference Paper

    GI tract unraveling in volumetric CT

    Gastrointestinal (GI) tract examination with computed tomography (CT) is currently performed by slice-based visual inspection despite the volumetric nature of the problem. The entire abdomen may now be continu...

    Ge Wang, Michael W. Vannier… in Visualization in Biomedical Computing (1996)

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    Chapter and Conference Paper

    3D skeleton for virtual colonoscopy

    This paper describes an improved algorithm for generating 3D skeletons from binary objects and its clinical application to virtual colonoscopy. A skeleton provides an ideal central path for an auto-piloted exa...

    Yaorong Ge, David R. Stelts, David J. Vining in Visualization in Biomedical Computing (1996)

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    Chapter and Conference Paper

    Freeflight: A virtual endoscopy system

    We created a virtual endoscopy system, called FreeFlight, that interactively generates three-dimensional endoscopic images of human anatomy using spiral CT data. The software is based on Silicon Graphics' Open...

    David J. Vining, David R. Stelts, David K. Ahn, Paul F. Hemler… in CVRMed-MRCAS'97 (1997)

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    Chapter and Conference Paper

    An Elliptic Operator for Constructing Conformal Metrics in Geometric Deformable Models

    The geometric deformable model (GDM) provides a useful framework for segmentation by integrating the energy minimization concept of classical snakes with the topologically flexible gradient flow. The key aspec...

    Christopher Wyatt, Yaorong Ge in Information Processing in Medical Imaging (2001)

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    Chapter and Conference Paper

    Simulated Annealing Based Hand Tracking in a Discrete Space

    Hand tracking is a challenging problem due to the complexity of searching in a 20+ degrees of freedom (DOF) space for an optimal estimation of hand configuration. This paper represents the feasible hand config...

    Wei Liang, Yunde Jia, Yang Liu, Cheng Ge in Affective Computing and Intelligent Interaction (2005)

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    Chapter and Conference Paper

    Improved DTW Algorithm for Online Signature Verification Based on Writing Forces

    Writing forces are important dynamics of online signatures and they are harder to be imitated by forgers than signature shape. An improved DTW (Dynamic Time War**) algorithm is put forward to verify online s...

    ** Fang, ZhongCheng Wu, Fei Shen, YunJian Ge… in Advances in Intelligent Computing (2005)

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    Chapter and Conference Paper

    An Emotional Particle Swarm Optimization Algorithm

    This paper presents a modification of the particle swarm optimization algorithm (PSO) intended to introduce some psychology factor of emotion into the algorithm. In the new algorithm, which is based on a simpl...

    Yang Ge, Zhang Rubo in Advances in Natural Computation (2005)

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    Chapter and Conference Paper

    Adding Hand Motion to the Motion Capture Based Character Animation

    Most character motion capture data does not contain secondary motions like detailed hand motion, therefore the resultant animation looks unnatural due to the stiffness of hand motion. In this paper, we analyze...

    Ge **, James Hahn in Advances in Visual Computing (2005)

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    Chapter and Conference Paper

    Visual Hand Tracking Using Nonparametric Sequential Belief Propagation

    Hand tracking is a challenging problem due to the complexity of searching in a 20+ degrees of freedom space for an optimal estimate. This paper develops a statistical method for robust visual hand tracking, in...

    Wei Liang, Yunde Jia, Cheng Ge in Advances in Intelligent Computing (2005)

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    Chapter and Conference Paper

    Mobile Robot Navigation Based on Multisensory Fusion

    Multisensory fusion is being increasing viewed as an important activity in the filed of mobile robot navigation and obstacle avoidance. The fusion of data from a variety of sensors makes the mobile robot more ...

    Weimin Ge, Zuoliang Cao in Advances in Natural Computation (2005)

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    Chapter

    Power Transmission Towers Extraction in Polarimetric SAR Imagery Based on Genetic Algorithm

    This paper addresses a novel extraction approach of power transmission tower groups in fully polarimetric synthetic aperture radar data sets based on genetic algorithm. The new approach firstly introduces pola...

    Wen Yang, Ge Xu, Jiayu Chen, Hong Sun in Intelligent Computing in Signal Processing… (2006)

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    Chapter

    An Efficient Segmentation Algorithm Based on Mathematical Morphology and Improved Watershed

    Image separation is a critical issue toward the recognition and analysis phase in many image processing tasks. This paper describes an efficient segmentation algorithm based on mathematical morphology and impr...

    Ge Guo, **jian **, Dongchuan Hu… in Intelligent Computing in Signal Processing… (2006)

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    Chapter and Conference Paper

    Elastic Algorithm: A New Path Planning Algorithm About Auto-navigation in 3D Virtual Scene

    Elastic Algorithm proposed in this paper is a new and fast path planning algorithm to solve the problem of auto-navigation in 3D virtual scene. First, with a grid model based representation of virtual environm...

    Yong Chen, Ke-qin Wu, Dong Wang, Ge Chen in Advances in Artificial Reality and Tele-Ex… (2006)

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    Chapter and Conference Paper

    An Adaptive Stochastic Collision Detection Between Deformable Objects Using Particle Swarm Optimization

    In this paper, we present an efficient method for detecting collisions between highly deformable objects, which is a combination of newly developed stochastic method and Particle Swarm Optimization (PSO) algor...

    Wang Tianzhu, Li Wenhui, Wang Yi, Ge Zihou… in Applications of Evolutionary Computing (2006)

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    Chapter and Conference Paper

    A Study on Information Extraction from PDF Files

    Portable Document Format (PDF) is increasingly being recognized as a common format of electronic documents. The prerequisite to management and indexing of PDF files is to extract information from them. This pa...

    Fang Yuan, Bo Liu, Ge Yu in Advances in Machine Learning and Cybernetics (2006)

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    Chapter and Conference Paper

    Classifying Motion Time Series Using Neural Networks

    This paper proposes an effective time-series classification model based on the Neural Networks. Classification under this model consists of three phases, namely data preprocessing, training, and testing. The main...

    Lidan Shou, Ge Gao, Gang Chen, **xiang Dong in Advances in Multimedia Information Process… (2006)

  20. No Access

    Chapter and Conference Paper

    3D Surface Reconstruction and Registration for Image Guided Medialization Laryngoplasty

    The purpose of our project is to develop an image guided system for the medialization laryngoplasty. One of the fundamental challenges in our system is to accurately register the preoperative 3D CT data to the...

    Ge **, Sang-Joon Lee, James K. Hahn, Steven Bielamowicz… in Advances in Visual Computing (2006)

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