Skip to main content

12 Result(s)

within Conference Paper Remove this filter Cai**a Zhang Remove this filter Computer Graphics Remove this filter

and

  1. No Access

    Chapter and Conference Paper

    Initial Seeds Selection in Dynamic Clustering Method Based on Data Depth

    Resorting to the theory of atomic models and the tool of data depth, we propose a novel method for initial seeds selection in dynamic clustering method. We define the cohesion of a point in a given data set, whic...

    Caiya Zhang, Ze ** in Intelligence Science and Big Data Engineer… (2015)

  2. No Access

    Chapter and Conference Paper

    Segmentation of Brain Tumors in CT Images Using Level Sets

    This paper proposes an approach based on level sets to segment brain tumors from CT images. Combining edge information with region information dynamically, the novel method introduces a new energy function mod...

    Zhenwen Wei, Caiming Zhang, **ngqiang Yang, **aofeng Zhang in Advances in Visual Computing (2012)

  3. No Access

    Chapter and Conference Paper

    Surface Construction with Fewer Patches

    We present an algorithm to generate an interpolation or approximation model consisting of many patches from a triangle mesh, and each patch is a weighted combination of the three surfaces associated with the v...

    Weitao Li, Yuanfeng Zhou, Li Zhong, Xuemei Li… in Advances in Visual Computing (2012)

  4. No Access

    Chapter and Conference Paper

    Global Contrast of Superpixels Based Salient Region Detection

    Reliable estimation of visual saliency has become an essential tool in image processing. In this paper, we propose a novel salient region detection algorithm, superpixel contrast (SC), consisting of three basi...

    Jie Wang, Caiming Zhang, Yuanfeng Zhou, Yu Wei, Yi Liu in Computational Visual Media (2012)

  5. No Access

    Chapter and Conference Paper

    Similarity-Transformation Invariant Reversible Watermarking for 3D Models

    In this paper, we present a reversible watermarking method for 3D models with arbitrary topology based on histogram shifting. We use similarity-transformation invariants to generate histogram such that the pro...

    **feng Gao, Caiming Zhang, Yan Huang, … in Computer and Information Sciences (2010)

  6. No Access

    Chapter and Conference Paper

    Active Contour Method Combining Local Fitting Energy and Global Fitting Energy Dynamically

    To get better segmentation results, local information and global information should be taken into consideration together. In this paper, we propose a new energy functional which combines a local intensity fitt...

    Yang Yu, Caiming Zhang, Yu Wei, Xuemei Li in Medical Biometrics (2010)

  7. Chapter and Conference Paper

    Parameterization of Quadrilateral Meshes

    Low-distortion parameterization of 3D meshes is a fundamental problem in computer graphics. Several widely used approaches have been presented for triangular meshes. But no direct parameterization techniques a...

    Li Liu, CaiMing Zhang, Frank Cheng in Computational Science – ICCS 2007 (2007)

    Download PDF (495 KB)

  8. No Access

    Chapter and Conference Paper

    Surface Animation Based on 2D Editing

    To perform 3D animation with carving on surfaces of 3D models is a new branch of 3D modeling. A set of new methods are carried out in this paper. One based on recursion can solve the image transformation probl...

    Jian Gao, Caiming Zhang, Zhiquan Feng in Technologies for E-Learning and Digital En… (2007)

  9. No Access

    Chapter and Conference Paper

    Geometric Hermite Curves Based on Different Objective Functions

    Based on the objective function defined by the approximation of the curvature variation formula of the curve, a new method for constructing composite optimized geometric Hermite (COH) curves is presented in th...

    **g Chi, Caiming Zhang, **aoming Wu in Interactive Technologies and Sociotechnical Systems (2006)

  10. No Access

    Chapter and Conference Paper

    GLOBAL Topology Preservation in Isosurface Extraction of Volumetric Data

    We study the topology inconsistency between the interested object boundary and the isosurface extracted with Marching Cubes, and present a new method preserving the topology of object boundary. Different from ...

    **ngqiang Yang, Caiming Zhang in Advances in Visual Computing (2006)

  11. No Access

    Chapter and Conference Paper

    A New Method for Approximating Optimal Parameterization of Polynomial Curves

    Rational re-parameterizations of a polynomial curve that preserve the curve degree and [0,1] parameter domain are characterized by a single degree of freedom. The optimal re-parameterization in this family can...

    Fenghua Guo, Caiming Zhang in Advances in Visual Computing (2006)

  12. No Access

    Chapter and Conference Paper

    Interpolation by Piecewise Quadric Polynomial to Scattered Data Points

    This paper presents a new method to construct C1 polynomial surface to the scattered data points. The given data points are triangulated into triangle networks, and a C1piecewise quadric interpolant patch is cons...

    Shanshan Gao, Caiming Zhang, Li Zhong in Advances in Visual Computing (2006)