Explanipedia

Reinforcement learning for VR table tennis Open

Hock Soon Seah, Daqi Jiang, Budianto Tandianus, Yiliang Sui, Hong Wang · 2024

This paper investigates the use of Reinforcement Learning (RL) to train an Artificial Intelligence (AI) humanoid opponent to play a Virtual Reality (VR) table tennis game. A self-play RL algorithm is implemented to train an AI opponent thr…

Modeling and Rendering with eXpressive B-Spline Curves Open

Hock Soon Seah, Budianto Tandianus, Yiliang Sui · 2023

eXpressive B-Spline Curve (XBSC) is a resolution-independent and computationally efficient technique for vector-based stroke modeling and rendering with the flexibility in defining and adjusting the shape and other parameters of the stroke…

Shape correspondence for cel animation based on a shape association graph and spectral matching Open

Shaolong Liu, Xingce Wang, Xiangyuan Liu, Zhongke Wu, Hock Soon Seah · 2023

We present an effective spectral matching method based on a shape association graph for finding region correspondences between two cel animation keyframes. We formulate the correspondence problem as an adapted quadratic assignment problem,…

Expressive B-spline curves: a pilot study on a flexible shape representation Open

Hock Soon Seah, Budianto Tandianus, Yiliang Sui, Zhongke Wu · 2022

We present a pilot study on expressive B-spline curves (XBSC), an extension of disk B-spline curves (DBSC). XBSC facilitates expressive drawings in terms of shape and color. For shape, colors on both sides of XBSC strokes are defined indep…

Rendu stylisé d'animations 3D : une approche centrée utilisateur Open

Pierre Bénard, Santiago E. Montesdeoca, Hock Soon Seah, Hannes Rall, Davide Benvenuti , et al. · 2021

National audience

Integrated and scalable augmented reality multiplayer robotic platform Open

Budianto Tandianus, Hock Soon Seah, Li Wang, Chee Kwang Quah · 2020

We propose a scalable AR (Augmented Reality) multiplayer robotic platform, which enables multiple players to control different machines (a drone and a robot) in shared environments, i.e virtual and real environments. We use state-of-theart…

Image-similarity-based Convolutional Neural Network for Robot Visual Relocalization Open

Li Wang, Ruifeng Li, Jingwen Sun, Hock Soon Seah, Chee Kwang Quah , et al. · 2020

Convolutional neural network (CNN)-based methods, which train an end-to-end model to regress a six degree of freedom (DoF) pose of a robot from a single red–green–blue (RGB) image, have been developed to overcome the poor robustness of rob…

Multi-View Fusion-Based 3D Object Detection for Robot Indoor Scene Perception Open

Li Wang, Ruifeng Li, Jingwen Sun, Xingxing Liu, Lijun Zhao , et al. · 2019

To autonomously move and operate objects in cluttered indoor environments, a service robot requires the ability of 3D scene perception. Though 3D object detection can provide an object-level environmental description to fill this gap, a ro…

Progressive sketching with instant previewing Open

Kai Wang, Jianmin Zheng, Hock Soon Seah · 2019

Orthogonal Voronoi Diagram and Treemap Open

Yanchao Wang, Feng Lin, Hock Soon Seah · 2019

In this paper, we propose a novel space partitioning strategy for implicit hierarchy visualization such that the new plot not only has a tidy layout similar to the treemap, but also is flexible to data changes similar to the Voronoi treema…

Multi-Channel Convolutional Neural Network Based 3D Object Detection for Indoor Robot Environmental Perception Open

Li Wang, Ruifeng Li, Hezi Shi, Jingwen Sun, Lijun Zhao , et al. · 2019

Environmental perception is a vital feature for service robots when working in an indoor environment for a long time. The general 3D reconstruction is a low-level geometric information description that cannot convey semantics. In contrast,…

2D Image Deformation Based on Guaranteed Feature Correspondence and Mesh Mapping Open

Yaqiong Liu, Xin Lin, Guochu Shou, Hock Soon Seah · 2018

Image deformation has ubiquitous usage in multimedia applications. It morphs one image into another through a seamless transition. Existing techniques either mainly focus on the correspondence mapping of interior features of the objects in…

MNPR: A Framework for Real-Time Expressive Non-Photorealistic Rendering of 3D Computer Graphics Open

Santiago E. Montesdeoca, Hock Soon Seah, Amir Semmo, Pierre Bénard, Romain Vergne , et al. · 2018

MNPR Open

Santiago E. Montesdeoca, Hock Soon Seah, Amir Semmo, Pierre Bénard, Romain Vergne , et al. · 2018

We propose a framework for expressive non-photorealistic rendering of 3D computer graphics: MNPR. Our work focuses on enabling stylization pipelines with a wide range of control, thereby covering the interaction spectrum with real-time fee…

Evaluation of Star Coordinate Boundaries Open

Yanchao Wang, Feng Lin, Hock Soon Seah · 2018

In the visual analysis of high-dimensional data points, star coordinate plot maps the data points into an observable space by conducting a linear combination of radial distributed axes vectors. However, when plotting additional data points…

Manufactory : promoting 3D spatial skills with productive failure and educational games Open

Nana Tian, Vinayak Teoh Kanappan, Jeffrey Yan Jack Hong, A. Mubashira Fathima, Owen Noel Newton Fernando , et al. · 2018

This research study investigated an innovative teaching and learning framework that incorporated the proven concept of Productive Failure (PF) and educational games. The aim is to design a new approach that effectively enhances students' l…

Demons registration for in vivo and deformable laser scanning confocal endomicroscopy Open

Wei-Ming Chiew, Feng Lin, Hock Soon Seah · 2017

A critical effect found in noninvasive in vivo endomicroscopic imaging modalities is image distortions due to sporadic movement exhibited by living organisms. In three-dimensional confocal imaging, this effect results in a dataset that is …

Edge- and substrate-based effects for watercolor stylization Open

Santiago E. Montesdeoca, Hock Soon Seah, Pierre Bénard, Romain Vergne, Joëlle Thollot , et al. · 2017

We investigate characteristic edge-and substrate-based effects for watercolor stylization. These two fundamental elements of painted art play a significant role in traditional watercolors and highly influence the pigment's behavior and app…

Direct 3D stylization pipelines Open

Santiago E. Montesdeoca, Hock Soon Seah, Davide Benvenuti, Pierre Bénard, Hannes Rall , et al. · 2017

Using 3D computer graphics to emulate watercolor presents a special challenge. Complex stylizations are commonly processed offline, by combining multiple passes in compositing, where art directing is slow and non-intuitive because the styl…

Phase retrieval for high-speed 3D measurement using binary patterns with projector defocusing Open

Dongliang Zheng, Qian Kemao, Feipeng Da, Hock Soon Seah · 2017

Recent digital technology allows binary patterns to be projected with a very high speed, which shows great potential for high-speed 3D measurement. However, how to retrieve an accurate phase with an even faster speed is still challenging. …

Comparison between ternary and binary Gray-code based phase unwrapping methods Open

Dongliang Zheng, Qian Kemao, Feipeng Da, Hock Soon Seah · 2017

Phase-shifting profilometry using binary patterns with projector defocusing has been widely used for high-speed 3D measurement. Recently, a ternary Gray-code based phase unwrapping method has been proposed, which enables to accurately unwr…

Phase-shifting profilometry combined with Gray-code patterns projection: unwrapping error removal by an adaptive median filter Open

Dongliang Zheng, Feipeng Da, Qian Kemao, Hock Soon Seah · 2017

Phase-shifting profilometry combined with Gray-code patterns projection has been widely used for 3D measurement. In this technique, a phase-shifting algorithm is used to calculate the wrapped phase, and a set of Gray-code binary patterns i…

Subregion graph: A path planning acceleration structure for characters with various motion types in very large environments Open

Nicholas Mario Wardhana, Henry Johan, Hock Soon Seah · 2015

Modern computer graphics applications commonly feature very large virtual environments and diverse characters which perform different kinds of motions. To accelerate path planning in such a scenario, we propose the subregion graph data str…

Exploiting entropy masking in perceptual graphic rendering Open

Lu Dong, Yuming Fang, Weisi Lin, Chenwei Deng, Ce Zhu , et al. · 2015

Accelerating Graph-based Path Planning Through Waypoint Clustering Open

Nicholas Mario Wardhana, Henry Johan, Hock Soon Seah · 2015

Modern Computer Graphics applications commonly feature very large virtual environments and diverse characters which perform different kinds of motions. To accelerate path planning in such scenario, we propose subregion graph data structure…

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