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| 1 | Region-based bas-relief generation from a single image显示文摘 | Qiong Zeng Ralph R. Martin Lu Wang Jonathan A. Quinn Yuhong Sun Changhe Tu | 2013 | Graphical Models2013，，： | 1 |
| 2 | Enhancing Levin's method for computing quadric-surface intersections显示文摘 | Wang Wengping Ronald Goldman Tu Changhe | 2003 | Computer Aided Gemometric Design2003，20，： | 1 |
| 3 | Optimal sampling of parametric surfaces显示文摘 | Li Yufei Wang Wenping Tu Changhe | 2012 | Computer-Aided Design & Applications2012，9，1： | 1 |
| 4 | Enhancing Levin's method for computing quadric-sttfface intersections显示文摘 | Wang Wengping Goldman R Tu Changhe | 2003 | Comput Aid- ed Gemometric Design2003，20，： | 1 |
| 5 | An effective graph and depth layer based RGB-D image foreground object extraction method显示文摘We consider the extraction of accurate silhouettes of foreground objects in combined color image and depth map data.This is of relevance for applications such as altering the contents of a scene,or changing the depths of contents for display purposes in 3DTV,object detection,or scene understanding.To | Zhiguang Xiao Hui Chen Changhe Tu Reinhard Klette | 2017 | Computational Visual Media2017，3，4： | 0 |
| 6 | An efficient algorithm for approximate Voronoi diagram construction on triangulated surfaces显示文摘Voronoi diagrams on triangulated surfaces based on the geodesic metric play a key role in many applications of computer graphics.Previous methods of constructing such Voronoi diagrams generally depended on having an exact geodesic metric.However,exact geodesic computation is time-consuming and has high memory usage,limiting wider application of geodesic Voronoi diagrams(GVDs).In order to overcome this issue,instead of using exact methods,we reformulate a graph method based on Steiner point insertion,as an effective way to obtain geodesic distances.Further,since a bisector comprises hyperbolic and line segments,we utilize Apollonius diagrams to encode complicated structures,enabling Voronoi diagrams to encode a medial-axis surface for a dense set of boundary samples.Based on these strategies,we present an approximation algorithm for efficient Voronoi diagram construction on triangulated surfaces.We also suggest a measure for evaluating similarity of our results to the exact GVD.Although our GVD results are constructed using approximate geodesic distances,we can get GVD results similar to exact results by inserting Steiner points on triangle edges.Experimental results on many 3D models indicate the improved speed and memory requirements compared to previous leading methods. | Wenlong Meng Pengbo Bo Xiaodong Zhang Jixiang Hong Shiqing Xin Changhe Tu | 2023 | Computational Visual Media2023，9，3： | 0 |
| 7 | Let’s all dance:Enhancing amateur dance motions显示文摘Professional dance is characterized by high impulsiveness,elegance,and aesthetic beauty.In order to reach the desired professionalism,it requires years of long and exhausting practice,good physical condition,musicality,but also,a good understanding of choreography.Capturing dance motions and transferring them to digital avatars is commonly used in the film and entertainment industries.However,so far,access to high-quality dance data is very limited,mainly due to the many practical difficulties in capturing the movements of dancers,making it prohibitive for largescale data acquisition.In this paper,we present a model that enhances the professionalism of amateur dance movements,allowing movement quality to be improved in both spatial and temporal domains.Our model consists of a dance-to-music alignment stage responsible for learning the optimal temporal alignment path between dance and music,and a dance-enhancement stage that injects features of professionalism in both spatial and temporal domains.To learn a homogeneous distribution and credible mapping between the heterogeneous professional and amateur datasets,we generate amateur data from professional dances taken from the AIST++dataset.We demonstrate the effectiveness of our method by comparing it with two baseline motion transfer methods via thorough qualitative visual controls,quantitative metrics,and a perceptual study.We also provide temporal and spatial module analysis to examine the mechanisms and necessity of key components of our framework. | Qiu Zhou Manyi Li Qiong Zeng Andreas Aristidou Xiaojing Zhang Lin Chen Changhe Tu | 2023 | Computational Visual Media2023，9，3： | 0 |
| 8 | The explicit expression of Clough-Tocher patch显示文摘Clough-Tocher interpolation technique is widely used in CAGD, CG and finite-element analysis. Clough-Tocher patch is a cubic polynomial defined by twelve parameters. This paper discusses how to construct Clough-Tocher patch over a triangle. The main task is to give the explicit formula of Clough-Tocher patch in order to simplify the process of surface construction. | WANG Huixuan TU Changhe | 2012 | Computer Aided Drafting,Design and Manufacturing2012，22，4： | 0 |
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