no code implementations • COLING 2022 • Longfeng Li, Haifeng Sun, Qi Qi, Jingyu Wang, Jing Wang, Jianxin Liao
Second, we propose Inverse Learning Guidance to improve the selection of aspect feature by considering aspect correlation, which provides more useful information to determine polarity.
no code implementations • 5 Feb 2023 • Pengfei Ren, Chao Wen, Xiaozheng Zheng, Zhou Xue, Haifeng Sun, Qi Qi, Jingyu Wang, Jianxin Liao
Specifically, we define two feature spaces with different characteristics, namely 2D visual feature space and 3D joint feature space.
no code implementations • 12 Oct 2022 • Qi Qi, Shervin Ardeshir, Yi Xu, Tianbao Yang
Improving fairness between privileged and less-privileged sensitive attribute groups (e. g, {race, gender}) has attracted lots of attention.
no code implementations • 11 Oct 2022 • Qi Qi, Jiameng Lyu, Kung sik Chan, Er Wei Bai, Tianbao Yang
Distributionally Robust Optimization (DRO), as a popular method to train robust models against distribution shift between training and test sets, has received tremendous attention in recent years.
1 code implementation • 29 Jul 2022 • Jiachang Hao, Haifeng Sun, Pengfei Ren, Jingyu Wang, Qi Qi, Jianxin Liao
Our framework introduces two auxiliary tasks, cross-modal matching and temporal order discrimination, to promote the grounding model training.
no code implementations • 8 Jan 2022 • Qi Qi, Kunqian Li, Haiyong Zheng, Xiang Gao, Guojia Hou, Kun Sun
In this paper, we propose a novel underwater image enhancement network, called SGUIE-Net, in which we introduce semantic information as high-level guidance across different images that share common semantic regions.
1 code implementation • CVPR 2022 • Pengfei Ren, Haifeng Sun, Jiachang Hao, Jingyu Wang, Qi Qi, Jianxin Liao
However, these methods ignore the rich semantic information in each view and ignore the complex dependencies between different regions of different views.
no code implementations • NeurIPS 2021 • Qi Qi, Youzhi Luo, Zhao Xu, Shuiwang Ji, Tianbao Yang
Compared with AUROC, AUPRC is a more appropriate metric for highly imbalanced datasets.
1 code implementation • 5 Nov 2021 • Pak Hay Kwok, Qi Qi
Not only can discovering patterns and insights from atmospheric data enable more accurate weather predictions, but it may also provide valuable information to help tackle climate change.
no code implementations • 13 Jun 2021 • Chenxin Li, Qi Qi, Xinghao Ding, Yue Huang, Dong Liang, Yizhou Yu
In this paper, we propose a novel DG scheme of episodic training with task augmentation on medical imaging classification.
1 code implementation • 18 Apr 2021 • Qi Qi, Youzhi Luo, Zhao Xu, Shuiwang Ji, Tianbao Yang
Compared with AUROC, AUPRC is a more appropriate metric for highly imbalanced datasets.
no code implementations • 13 Dec 2020 • Qi Qi, Yi Xu, Rong Jin, Wotao Yin, Tianbao Yang
In this paper, we present a simple yet effective method (ABSGD) for addressing the data imbalance issue in deep learning.
no code implementations • 3 Dec 2020 • Qi Qi, Pak Hay Kwok
We also explored the use of Graph Neural Networks and introduced a novel ensemble GNN architecture which outperformed the GNN solution from last year.
1 code implementation • 2 Dec 2020 • Zhengyang Wang, Meng Liu, Youzhi Luo, Zhao Xu, Yaochen Xie, Limei Wang, Lei Cai, Qi Qi, Zhuoning Yuan, Tianbao Yang, Shuiwang Ji
Here we develop a suite of comprehensive machine learning methods and tools spanning different computational models, molecular representations, and loss functions for molecular property prediction and drug discovery.
no code implementations • 5 Nov 2020 • Xuanzhao Wang, Zhengping Che, Bo Jiang, Ning Xiao, Ke Yang, Jian Tang, Jieping Ye, Jingyu Wang, Qi Qi
In this paper, we propose a novel and robust unsupervised video anomaly detection method by frame prediction with proper design which is more in line with the characteristics of surveillance videos.
no code implementations • NeurIPS 2020 • Xiaotie Deng, Ron Lavi, Tao Lin, Qi Qi, Wenwei Wang, Xiang Yan
The Empirical Revenue Maximization (ERM) is one of the most important price learning algorithms in auction design: as the literature shows it can learn approximately optimal reserve prices for revenue-maximizing auctioneers in both repeated auctions and uniform-price auctions.
no code implementations • Computers in Industry 2020 • Ce Ge, Jing Wang, Jingyu Wang, Qi Qi, Haifeng Sun, Jianxin Liao:
With the recent progress of deep learning, advanced industrial object detectors are built for smart industrial applications.
Ranked #22 on
Weakly Supervised Object Detection
on PASCAL VOC 2007
no code implementations • 14 Sep 2020 • Daoming Lyu, Qi Qi, Mohammad Ghavamzadeh, Hengshuai Yao, Tianbao Yang, Bo Liu
To achieve variance-reduced off-policy-stable policy optimization, we propose an algorithm family that is memory-efficient, stochastically variance-reduced, and capable of learning from off-policy samples.
1 code implementation • 19 Jul 2020 • Weiting Huang, Pengfei Ren, Jingyu Wang, Qi Qi, Haifeng Sun
In this paper, we propose an adaptive weighting regression (AWR) method to leverage the advantages of both detection-based and regression-based methods.
Ranked #1 on
Hand Pose Estimation
on HANDS 2017
no code implementations • ACL 2020 • Chunning Du, Haifeng Sun, Jingyu Wang, Qi Qi, Jianxin Liao
To tackle these problems, we design a post-training procedure, which contains the target domain masked language model task and a novel domain-distinguish pre-training task.
1 code implementation • NeurIPS 2021 • Qi Qi, Zhishuai Guo, Yi Xu, Rong Jin, Tianbao Yang
In this paper, we propose a practical online method for solving a class of distributionally robust optimization (DRO) with non-convex objectives, which has important applications in machine learning for improving the robustness of neural networks.
1 code implementation • ECCV 2020 • Qi Qi, Yan Yan, Xiaoyu Wang, Tianbao Yang
To tackle this issue, we propose a simple and effective framework to sample pairs in a batch of data for updating the model.
no code implementations • IJCNLP 2019 • Chunning Du, Haifeng Sun, Jingyu Wang, Qi Qi, Jianxin Liao, Tong Xu, Ming Liu
Aspect-level sentiment classification is a crucial task for sentiment analysis, which aims to identify the sentiment polarities of specific targets in their context.
no code implementations • IJCNLP 2019 • Chunning Du, Haifeng Sun, Jingyu Wang, Qi Qi, Jianxin Liao, Chun Wang, Bing Ma
It has been demonstrated that multiple senses of a word actually reside in linear superposition within the word embedding so that specific senses can be extracted from the original word embedding.
1 code implementation • CVPR 2019 • Jiashi Li, Qi Qi, Jingyu Wang, Ce Ge, Yujian Li, Zhangzhang Yue, Haifeng Sun
Many channel pruning works utilize structured sparsity regularization to zero out all the weights in some channels and automatically obtain structure-sparse network in training stage.
no code implementations • 28 Nov 2018 • Yi Xu, Qi Qi, Qihang Lin, Rong Jin, Tianbao Yang
In this paper, we propose new stochastic optimization algorithms and study their first-order convergence theories for solving a broad family of DC functions.
no code implementations • 21 Nov 2018 • Xueyang Fu, Qi Qi, Yue Huang, Xinghao Ding, Feng Wu, John Paisley
We propose a simple yet effective deep tree-structured fusion model based on feature aggregation for the deraining problem.
no code implementations • BMVC 2018 • Ce Ge, Jingyu Wang, Qi Qi, Haifeng Sun, Jianxin Liao
As most weakly supervised object detection methods are based on pre-generated proposals, they often show two false detections: (i) group multiple object instances with one bounding box, and (ii) focus on only parts rather than the whole objects.
Ranked #25 on
Weakly Supervised Object Detection
on PASCAL VOC 2007