no code implementations • 15 Oct 2023 • Jiahao Xia, Gavin Gong, Jiawei Liu, Zhigang Zhu, Hao Tang
In this paper, a Segment Anything Model (SAM)-based pedestrian infrastructure segmentation workflow is designed and optimized, which is capable of efficiently processing multi-sourced geospatial data including LiDAR data and satellite imagery data.
no code implementations • 22 May 2023 • Zihao Zhang, Susan L. Epstein, Casey Breen, Sophia Xia, Zhigang Zhu, Christian Volkmann
This paper introduces ELUA, the Ecological Laboratory for Urban Agriculture, a collaboration among landscape architects, architects and computer scientists who specialize in artificial intelligence, robotics and computer vision.
no code implementations • 10 Feb 2023 • Xuan Wang, Zhigang Zhu
In this survey, different context information that has been used in computer vision tasks is reviewed.
no code implementations • 13 Jan 2022 • Xingye Li, Ling Zhang, Zhigang Zhu
To reduce the reliance on labeled data, a new model called SnapshotNet is proposed as a self-supervised feature learning approach, which directly works on the unlabeled point cloud data of a complex 3D scene.
no code implementations • 27 Oct 2021 • Jie Wei, Zhigang Zhu, Erik Blasch, Bilal Abdulrahman, Billy Davila, Shuoxin Liu, Jed Magracia, Ling Fang
During natural disasters, aircraft and satellites are used to survey the impacted regions.
1 code implementation • 28 Apr 2019 • Ling Zhang, Zhigang Zhu
To alleviate the cost of collecting and annotating large-scale point cloud datasets, we propose an unsupervised learning approach to learn features from unlabeled point cloud "3D object" dataset by using part contrasting and object clustering with deep graph neural networks (GNNs).
1 code implementation • 31 Jan 2019 • Greg Olmschenk, Hao Tang, Zhigang Zhu
Gatherings of thousands to millions of people frequently occur for an enormous variety of events, and automated counting of these high-density crowds is useful for safety, management, and measuring significance of an event.
no code implementations • 27 Nov 2018 • Greg Olmschenk, Zhigang Zhu, Hao Tang
We first demonstrate the capabilities of semi-supervised regression GANs on a toy dataset which allows for a detailed understanding of how they operate in various circumstances.
no code implementations • CVPR 2017 • Wei Li, Farnaz Abitahi, Zhigang Zhu
Action Unit (AU) detection becomes essential for facial analysis.
no code implementations • 9 Feb 2017 • Wei Li, Farnaz Abtahi, Zhigang Zhu, Lijun Yin
For the enhancing layers, we designed an attention map based on facial landmark features and applied it to a pretrained neural network to conduct enhanced learning (The E-Net).
no code implementations • 14 Oct 2016 • Wei Li, Zhigang Zhu
We have found that features trained for one task can be used for other related tasks.
no code implementations • 4 Aug 2016 • Wei Li, Christina Tsangouri, Farnaz Abtahi, Zhigang Zhu
In order to increase the expression recognition accuracy, we also fine-tune the CNN model and thus obtain a better CNN facial expression recognition model.
Facial Expression Recognition Facial Expression Recognition (FER)
no code implementations • 10 Jul 2016 • Wei Li, Farnaz Abtahi, Christina Tsangouri, Zhigang Zhu
To evaluate the dataset, we compared the performance of two deep learning models trained on both GaMo and CIFE.