Fully Convolutional Instance-Aware Semantic Segmentation
- Yi Li, Haozhi Qi, Jifeng Dai, Xiangyang Ji, Yichen Wei
- Computer ScienceComputer Vision and Pattern Recognition
- 23 November 2016
The first fully convolutional end-to-end solution for instance-aware semantic segmentation task, which achieves state-of-the-art performance in both accuracy and efficiency, wins the COCO 2016 segmentation competition by a large margin.
DeepIM: Deep Iterative Matching for 6D Pose Estimation
- Yi Li, Gu Wang, Xiangyang Ji, Yu Xiang, D. Fox
- Computer ScienceInternational Journal of Computer Vision
- 31 March 2018
A novel deep neural network for 6D pose matching named DeepIM is proposed, trained to predict a relative pose transformation using a disentangled representation of 3D location and 3D orientation and an iterative training process.
CIFAR10-DVS: An Event-Stream Dataset for Object Classification
- Hongmin Li, Hanchao Liu, Xiangyang Ji, Guoqi Li, Luping Shi
- Computer ScienceFrontiers in Neuroscience
- 30 May 2017
This work provides a large event-stream dataset and an initial benchmark for comparison, which may boost algorithm developments in even-driven pattern recognition and object classification, based on state-of-the-art classification algorithms.
CDPN: Coordinates-Based Disentangled Pose Network for Real-Time RGB-Based 6-DoF Object Pose Estimation
- Zhigang Li, Gu Wang, Xiangyang Ji
- Computer ScienceIEEE International Conference on Computer Vision
- 1 October 2019
This work proposes a novel 6-DoF pose estimation approach: Coordinates-based Disentangled Pose Network (CDPN), which disentangles the pose to predict rotation and translation separately to achieve highly accurate and robust pose estimation.
Almost Optimal Model-Free Reinforcement Learning via Reference-Advantage Decomposition
- Zihan Zhang, Yuanshuo Zhou, Xiangyang Ji
- Computer ScienceNeural Information Processing Systems
- 21 April 2020
A model-free algorithm UCB-Advantage is proposed and it is proved that it achieves $\tilde{O}(\sqrt{H^2SAT})$ regret where $T = KH$ and $K$ is the number of episodes to play.
TransMIL: Transformer based Correlated Multiple Instance Learning for Whole Slide Image Classication
- Zhucheng Shao, Hao Bian, Yongbing Zhang
- Computer ScienceNeural Information Processing Systems
- 2 June 2021
A new framework, called correlated MIL, is proposed, based on which a Transformer based MIL (TransMIL) is devised, which explored both morphological and spatial information and achieved better performance and faster convergence compared with state-of-the-art methods.
GDR-Net: Geometry-Guided Direct Regression Network for Monocular 6D Object Pose Estimation
- Gu Wang, Fabian Manhardt, Federico Tombari, Xiangyang Ji
- Computer ScienceComputer Vision and Pattern Recognition
- 24 February 2021
A simple yet effective Geometry-guided Direct Regression Network (GDR-Net) to learn the 6D pose in an end-to-end manner from dense correspondence-based intermediate geometric representations, which remarkably outperforms state-of-the-art methods on LM, LM-O and YCB-V datasets.
Residual Highway Convolutional Neural Networks for in-loop Filtering in HEVC
- Yongbing Zhang, Tao Shen, Xiangyang Ji, Yun Zhang, Ruiqin Xiong, Qionghai Dai
- Computer ScienceIEEE Transactions on Image Processing
- 14 March 2018
Experimental results demonstrate that the proposed RHCNN is able to not only raise the PSNR of reconstructed frame but also prominently reduce the bit-rate compared with HEVC reference software.
C-MIL: Continuation Multiple Instance Learning for Weakly Supervised Object Detection
- Fang Wan, Chang Liu, W. Ke, Xiangyang Ji, Jianbin Jiao, Qixiang Ye
- Computer ScienceComputer Vision and Pattern Recognition
- 11 April 2019
A continuation optimization method is introduced into MIL and thereby creating continuation multiple instance learning (C-MIL), with the intention of alleviating the non-convexity problem in a systematic way.
Is Reinforcement Learning More Difficult Than Bandits? A Near-optimal Algorithm Escaping the Curse of Horizon
- Zihan Zhang, Xiangyang Ji, S. Du
- Computer ScienceAnnual Conference Computational Learning Theory
- 28 September 2020
The current paper shows that the long planning horizon and the unknown state-dependent transitions (at most) pose little additional difficulty on sample complexity, and improves the state-of-the-art polynomial-time algorithms.
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