The Visual Computer
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Two-stage multi-view deep network for 3D human pose reconstruction using images and its 2D joint heatmaps through enhanced stack-hourglass approach
The Visual Computer - Tập 38 - Trang 2417-2430 - 2021
Human beings easily reconstruct the 3D pose of a human from a 2D image, but 3D human pose reconstruction (HPR) continues to exist as a challenging task for machines. Traditional methods can reconstruct the 3D pose from the image directly or from the 2D joint locations that have been used for 3D HPR. Such traditional strategies have their merits and demerits. In this paper, we have tried to combine......
Dynamic time warping similarity measurement based on low-rank sparse representation
The Visual Computer - Tập 38 Số 5 - Trang 1731-1740 - 2022
A robust framework for spoofing detection in faces using deep learning
The Visual Computer - Tập 38 - Trang 2461-2472 - 2021
Face recognition is used in biometric systems to verify and authenticate an individual. However, most face authentication systems are prone to spoofing attacks such as replay attacks, attacks using 3D masks etc. Thus, the importance of face anti-spoofing algorithms is becoming essential in these systems. Recently, deep learning has emerged and achieved excellent results in challenging tasks relate......
Learning to detect soft shadow from limited data
The Visual Computer - Tập 38 Số 5 - Trang 1665-1675 - 2022
Soft shadow is more challenging to detect than hard shadow due to its ambiguous boundary. Existing shadow detection methods pay more attention to hard shadow scene since collecting and annotating hard shadow images is more effortless. Motivated by that soft shadow has similar characteristics with hard shadow, and many traditional hard shadow datasets are publicly available, we propose a novel soft......
Monge mapping using hierarchical NURBS
The Visual Computer - Tập 26 - Trang 779-789 - 2010
Texture mapping is an efficient and effective tool in computer graphics and animation. While computationally very cost-effective, texture mapping may produce non-realistic appearances of shapes in 3D environment, especially when viewing closely. To improve the realism of 3D modeling, bump mapping technique is developed to add details with the 3D models on top of texture mapping. Bump mapping, howe......
Fast occlusion-based point cloud explorationAbstract Large-scale unstructured point cloud scenes can be quickly visualized without prior reconstruction by utilizing levels-of-detail structures to load an appropriate subset from out-of-core storage for rendering the current view. However, as soon as we need structures within the point cloud, e.g., for interactions between objects, the construction of state-of-... ...
The Visual Computer - Tập 37 Số 9-11 - Trang 2769-2781 - 2021
Delaunay meshing of isosurfaces
The Visual Computer - Tập 24 - Trang 411-422 - 2008
We present an isosurface meshing algorithm, DelIso, based on the Delaunay refinement paradigm. This paradigm has been successfully applied to mesh a variety of domains with guarantees for topology, geometry, mesh gradedness, and triangle shape. A restricted Delaunay triangulation, dual of the intersection between the surface and the three-dimensional Voronoi diagram, is often the main ingredient i......
Layered modeling and generation of Pollock’s drip style
The Visual Computer - Tập 31 - Trang 589-600 - 2014
In this paper, we propose a layered approach to model Jackson Pollock’s dripping style of paintings. Having analyzed fractal-based algorithms and observed the details of Pollock’s paintings, we designed a layered modeling approach that divides Pollock’s artwork into four layers: from bottom up are background layer, irregular shape layer, line layer and water drop layer. The layers are drawn sequen......
Visual inspection of multivariate volume data based on multi-class noise sampling
The Visual Computer - Tập 32 Số 4 - Trang 465-478 - 2016
Tổng số: 2,898
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