no code implementations • 10 Jan 2023 • Kexuan Li, Jun Zhu, Anthony R. Ives, Volker C. Radeloff, Fangfang Wang
To be specific, we use a sparsely connected deep neural network with rectified linear unit (ReLU) activation function to estimate the unknown regression function that describes the relationship between response and covariates in the presence of spatial dependence.
1 code implementation • 22 Jun 2022 • Weihuang Chen, Fangfang Wang, Hongbin Sun
To safely and rationally participate in dense and heterogeneous traffic, autonomous vehicles require to sufficiently analyze the motion patterns of surrounding traffic-agents and accurately predict their future trajectories.
no code implementations • 4 Apr 2022 • Kexuan Li, Fangfang Wang, Lingli Yang, Ruiqi Liu
The applications of traditional statistical feature selection methods to high-dimension, low sample-size data often struggle and encounter challenging problems, such as overfitting, curse of dimensionality, computational infeasibility, and strong model assumption.
no code implementations • 13 Jan 2022 • Yifeng Chen, Wenqing Chu, Fangfang Wang, Ying Tai, Ran Yi, Zhenye Gan, Liang Yao, Chengjie Wang, Xi Li
Recently, there is growing attention on one-stage panoptic segmentation methods which aim to segment instances and stuff jointly within a fully convolutional pipeline efficiently.
no code implementations • 7 Jun 2021 • Kexuan Li, Fangfang Wang, Ruiqi Liu, Fan Yang, Zuofeng Shang
Our method is able to recover the ODE system without being subject to the curse of dimensionality and complicated ODE structure.
1 code implementation • 11 Aug 2020 • Fangfang Wang, Yifeng Chen, Fei Wu, Xi Li
Arbitrary-shaped text detection is a challenging task due to the complex geometric layouts of texts such as large aspect ratios, various scales, random rotations and curve shapes.
no code implementations • CVPR 2020 • Yifeng Chen, Guangchen Lin, Songyuan Li, Bourahla Omar, Yiming Wu, Fangfang Wang, Junyi Feng, Mingliang Xu, Xi Li
Panoptic segmentation aims to perform instance segmentation for foreground instances and semantic segmentation for background stuff simultaneously.
no code implementations • 15 Aug 2018 • Liyuan Jiang, Shuang Zhou, Keren Li, Fangfang Wang, Jie Yang
We develop a new nonparametric approach for estimating the risk-neutral density of asset prices and reformulate its estimation into a double-constrained optimization problem.
no code implementations • CVPR 2018 • Fangfang Wang, Liming Zhao, Xi Li, Xinchao Wang, DaCheng Tao
Localizing text in the wild is challenging in the situations of complicated geometric layout of the targets like random orientation and large aspect ratio.
no code implementations • 25 Jul 2017 • Lina Wei, Fangfang Wang, Xi Li, Fei Wu, Jun Xiao
As a result, a key issue in video saliency detection is how to effectively capture the intrinsical properties of atomic video structures as well as their associated contextual interactions along the spatial and temporal dimensions.