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- research-articleJuly 2024
Eulerian-Lagrangian Fluid Simulation on Particle Flow Maps
ACM Transactions on Graphics (TOG), Volume 43, Issue 4Article No.: 76, Pages 1–20https://doi.org/10.1145/3658180We propose a novel Particle Flow Map (PFM) method to enable accurate long-range advection for incompressible fluid simulation. The foundation of our method is the observation that a particle trajectory generated in a forward simulation naturally embodies ...
- research-articleJuly 2024
A Vortex Particle-on-Mesh Method for Soap Film Simulation
ACM Transactions on Graphics (TOG), Volume 43, Issue 4Article No.: 53, Pages 1–14https://doi.org/10.1145/3658165This paper introduces a novel physically-based vortex fluid model for films, aimed at accurately simulating cascading vortical structures on deforming thin films. Central to our approach is a novel mechanism decomposing the film's tangential velocity ...
- abstractJuly 2024
Intractable Live Free-Viewpoint Video with Haptic Feedback
SIGGRAPH '24: ACM SIGGRAPH 2024 Immersive PavilionJuly 2024, Article No.: 7, Pages 1–2https://doi.org/10.1145/3641521.3664412We present a novel interactable free-viewpoint video (FVV), which generates photo-realistic and editable volumetric content with high degree of freedom. On the one hand, an enhanced visual hull guided neural representation with higher performance is ...
- research-articleJuly 2024
Lagrangian Covector Fluid with Free Surface
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 43, Pages 1–10https://doi.org/10.1145/3641519.3657514This paper introduces a novel Lagrangian fluid solver based on covector flow maps. We aim to address the challenges of establishing a robust flow-map solver for incompressible fluids under complex boundary conditions. Our key idea is to use particle ...
- research-articleJuly 2024
A fusiform network of indoor scene classification with the stylized semantic description for service-robot applications
Expert Systems with Applications: An International Journal (EXWA), Volume 245, Issue CJul 2024https://doi.org/10.1016/j.eswa.2023.122979AbstractScene perception technology helps robots identify the target areas that people refer to so that it contributes to human–robot interaction, semantic navigation and other related tasks. Currently, pure semantic-feature-based methods are ...
Highlights- A high-level style and semantic compound description elaborately describe scenes.
- A fusiform architecture processes two branches of high-level information.
- Clear interpretability focusing on both the elements and the layout with ...
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- research-articleApril 2024
ATI: Assemble topological interaction overcomes consistency–cohesion trade‐off in bird flocking
AbstractIn nature, various animal groups like bird flocks display proficient collective navigation achieved by maintaining high consistency and cohesion simultaneously. Both metric and topological interactions have been explored to ensure high ...
- research-articleMay 2024
A heterogeneous attention fusion mechanism for the cross-environment scene classification of the home service robot
Robotics and Autonomous Systems (ROAS), Volume 173, Issue CMar 2024https://doi.org/10.1016/j.robot.2024.104619AbstractThere have been many methods to improve the capacity of scene classification of service robots. However, most of them are proposed from a technical standpoint but without reference to any cognitive principle of the brain, and furthermore, from ...
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Highlights- The first criteria for evaluating the place classification applicability of robots
- Heterogeneous attention modulates the focus on the global and the object parts.
- A holistic feature and two sorted top-X characteristics generate ...
- research-articleFebruary 2024
- research-articleMay 2024
Inferring hybrid neural fluid fields from videos
NIPS '23: Proceedings of the 37th International Conference on Neural Information Processing SystemsDecember 2023, Article No.: 2777, Pages 63595–63608We study recovering fluid density and velocity from sparse multiview videos. Existing neural dynamic reconstruction methods predominantly rely on optical flows; therefore, they cannot accurately estimate the density and uncover the underlying velocity ...
- research-articleDecember 2023
Second-Order Finite Elements for Deformable Surfaces
SA '23: SIGGRAPH Asia 2023 Conference PapersDecember 2023, Article No.: 113, Pages 1–10https://doi.org/10.1145/3610548.3618186We present a computational framework for simulating deformable surfaces from planar rest shape with second-order triangular finite elements. Our method develops numerical schemes for discretizing stretching, shearing, and bending energies of deformable ...
- research-articleDecember 2023
Fluid Simulation on Neural Flow Maps
ACM Transactions on Graphics (TOG), Volume 42, Issue 6Article No.: 248, Pages 1–21https://doi.org/10.1145/3618392We introduce Neural Flow Maps, a novel simulation method bridging the emerging paradigm of implicit neural representations with fluid simulation based on the theory of flow maps, to achieve state-of-the-art simulation of in-viscid fluid phenomena. We ...
- research-articleDecember 2023
- research-articleMay 2024
A three-dimensional modeling method of flue-cured tobacco leaf vein based on Cycle-GAN and fractal theory
ICAICE '23: Proceedings of the 4th International Conference on Artificial Intelligence and Computer EngineeringNovember 2023, Pages 1237–1242https://doi.org/10.1145/3652628.3652831The main veins and primary branches of flue-cured tobacco leaf were extracted by DBSCAN clustering. Combining with the leaf vein structure, a novel method to complement the leaf vein image of tobacco with fractal theory is proposed. Then, according to ...
- research-articleDecember 2023
Exploring the Predictors of Satisfaction in a Blended Learning Course: Investigating the Role of Interaction and Self-Efficacy
ICEMT '23: Proceedings of the 7th International Conference on Education and Multimedia TechnologyAugust 2023, Pages 106–110https://doi.org/10.1145/3625704.3625752The purpose of this study was to explore the joint impact of self-efficacy and interaction on student satisfaction in English as a second language learning (ESL). A total of 91 Chinese freshmen students participated, with self-efficacy, teacher-student ...
- ArticleAugust 2023
Joint Feature Selection and Classifier Parameter Optimization: A Bio-Inspired Approach
Knowledge Science, Engineering and ManagementAug 2023, Pages 3–14https://doi.org/10.1007/978-3-031-40283-8_1AbstractFeature selection has been proven to be an effective method for handling large amounts of data, which together with the parameter settings of the classifier determines the performance of the classifier. However, many studies have considered the ...
- research-articleJune 2023
Impulse Fluid Simulation
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 29, Issue 6June 2023, Pages 3081–3092https://doi.org/10.1109/TVCG.2022.3149466We propose a new incompressible Navier–Stokes solver based on the impulse gauge transformation. The mathematical model of our approach draws from the impulse–velocity formulation of Navier–Stokes equations, which evolves the fluid ...
- research-articleNovember 2022
Hydrophobic and Hydrophilic Solid-Fluid Interaction
ACM Transactions on Graphics (TOG), Volume 41, Issue 6Article No.: 256, Pages 1–15https://doi.org/10.1145/3550454.3555478We propose a novel solid-fluid coupling method to capture the subtle hydrophobic and hydrophilic interactions between liquid, solid, and air at their multi-phase junctions. The key component of our approach is a Lagrangian model that tackles the ...
- research-articleNovember 2022
Position-Based Surface Tension Flow
ACM Transactions on Graphics (TOG), Volume 41, Issue 6Article No.: 244, Pages 1–12https://doi.org/10.1145/3550454.3555476This paper presents a novel approach to simulating surface tension flow within a position-based dynamics (PBD) framework. We enhance the conventional PBD fluid method in terms of its surface representation and constraint enforcement to furnish support ...
- research-articleNovember 2022
Fluidic Topology Optimization with an Anisotropic Mixture Model
ACM Transactions on Graphics (TOG), Volume 41, Issue 6Article No.: 239, Pages 1–14https://doi.org/10.1145/3550454.3555429Fluidic devices are crucial components in many industrial applications involving fluid mechanics. Computational design of a high-performance fluidic system faces multifaceted challenges regarding its geometric representation and physical accuracy. We ...
- research-articleNovember 2022
Deformable graph convolutional transformer for skeleton-based action recognition
Applied Intelligence (KLU-APIN), Volume 53, Issue 12Jun 2023, Pages 15390–15406https://doi.org/10.1007/s10489-022-04302-9AbstractThe critical problem in skeleton-based action recognition is to extract high-level semantics from dynamic changes between skeleton joints. Therefore, Graph Convolutional Networks (GCNs) are widely applied to capture the spatial-temporal ...