Search Results for author: Guizhong Liu

Found 20 papers, 5 papers with code

State-space Decomposition Model for Video Prediction Considering Long-term Motion Trend

no code implementations17 Apr 2024 Fei Cui, Jiaojiao Fang, Xiaojiang Wu, Zelong Lai, Mengke Yang, Menghan Jia, Guizhong Liu

In this paper, we propose a state-space decomposition stochastic video prediction model that decomposes the overall video frame generation into deterministic appearance prediction and stochastic motion prediction.

motion prediction Video Prediction

Hierarchical Multi-Relational Graph Representation Learning for Large-Scale Prediction of Drug-Drug Interactions

1 code implementation28 Feb 2024 Mengying Jiang, Guizhong Liu, Yuanchao Su, Weiqiang Jin, Biao Zhao

Within the MVDSC, we utilize multiple DP features to construct graphs, where nodes represent DPs and edges denote different implicit correlations.

Graph Representation Learning

Relation-aware graph structure embedding with co-contrastive learning for drug-drug interaction prediction

no code implementations4 Jul 2023 Mengying Jiang, Guizhong Liu, Biao Zhao, Yuanchao Su, Weiqiang Jin

To alleviate this issue, we propose a novel DDI prediction method based on relation-aware graph structure embedding with co-contrastive learning, RaGSECo.

Attribute Contrastive Learning +1

Landmark Guided Active Exploration with State-specific Balance Coefficient

no code implementations30 Jun 2023 Fei Cui, Jiaojiao Fang, Mengke Yang, Guizhong Liu

Goal-conditioned hierarchical reinforcement learning (GCHRL) decomposes long-horizon tasks into sub-tasks through a hierarchical framework and it has demonstrated promising results across a variety of domains.

Hierarchical Reinforcement Learning

Image Augmentation Based Momentum Memory Intrinsic Reward for Sparse Reward Visual Scenes

no code implementations19 May 2022 Zheng Fang, Biao Zhao, Guizhong Liu

For visual representation, a representation driven by a combination of the imageaugmented forward dynamics and the reward is acquired.

Image Augmentation Representation Learning +1

Improving Embedded Knowledge Graph Multi-hop Question Answering by introducing Relational Chain Reasoning

1 code implementation25 Oct 2021 Weiqiang Jin, Biao Zhao, Hang Yu, Xi Tao, Ruiping Yin, Guizhong Liu

Knowledge Graph Question Answering (KGQA) aims to answer user-questions from a knowledge graph (KG) by identifying the reasoning relations between topic entity and answer.

Graph Question Answering Implicit Relations +3

GCN-SL: Graph Convolutional Network with Structure Learning for Disassortative Graphs

no code implementations29 Sep 2021 Mengying Jiang, Guizhong Liu, Yuanchao Su, Xinliang Wu

To solve the above-mentioned issue, we propose a graph convolutional network with structure learning (GCN-SL), and furthermore, the proposed approach can be applied to node classification.

Node Classification Representation Learning

Self-supervised Learning of Occlusion Aware Flow Guided 3D Geometry Perception with Adaptive Cross Weighted Loss from Monocular Videos

no code implementations9 Aug 2021 Jiaojiao Fang, Guizhong Liu

Self-supervised deep learning-based 3D scene understanding methods can overcome the difficulty of acquiring the densely labeled ground-truth and have made a lot of advances.

3D Geometry Perception Optical Flow Estimation +3

Self-Supervised Learning of Depth and Ego-Motion from Video by Alternative Training and Geometric Constraints from 3D to 2D

no code implementations4 Aug 2021 Jiaojiao Fang, Guizhong Liu

To makes the optimization easier, we further incorporate the epipolar geometry into the ICP based learning process for pose learning.

Self-Supervised Learning

Trainable Class Prototypes for Few-Shot Learning

no code implementations21 Jun 2021 Jianyi Li, Guizhong Liu

Metric learning is a widely used method for few shot learning in which the quality of prototypes plays a key role in the algorithm.

Metric Learning Self-Supervised Learning +2

GCN-SL: Graph Convolutional Networks with Structure Learning for Graphs under Heterophily

no code implementations28 May 2021 Mengying Jiang, Guizhong Liu, Yuanchao Su, Xinliang Wu

The proposed GCN-SL can aggregate feature representations from nearby nodes via re-connected adjacency matrix and is applied to graphs with various levels of homophily.

Clustering Node Classification +1

R-GSN: The Relation-based Graph Similar Network for Heterogeneous Graph

1 code implementation14 Mar 2021 Xinliang Wu, Mengying Jiang, Guizhong Liu

Heterogeneous graph is a kind of data structure widely existing in real life.

Relation

Few-Shot Image Classification via Contrastive Self-Supervised Learning

no code implementations23 Aug 2020 Jianyi Li, Guizhong Liu

Most previous few-shot learning algorithms are based on meta-training with fake few-shot tasks as training samples, where large labeled base classes are required.

Classification General Classification +3

Unsupervised Video Depth Estimation Based on Ego-motion and Disparity Consensus

no code implementations3 Sep 2019 Lingtao Zhou, Jiaojiao Fang, Guizhong Liu

Unsupervised learning based depth estimation methods have received more and more attention as they do not need vast quantities of densely labeled data for training which are touch to acquire.

Autonomous Driving Depth And Camera Motion +1

Multiple Object Tracking with Motion and Appearance Cues

no code implementations1 Sep 2019 Weiqiang Li, Jiatong Mu, Guizhong Liu

Due to better video quality and higher frame rate, the performance of multiple object tracking issues has been greatly improved in recent years.

Multiple Object Tracking Object +1

Flow Guided Short-term Trackers with Cascade Detection for Long-term Tracking

no code implementations1 Sep 2019 Han Wu, Xueyuan Yang, Yong Yang, Guizhong Liu

Object tracking has been studied for decades, but most of the existing works are focused on the short-term tracking.

Object Object Tracking

3D Bounding Box Estimation for Autonomous Vehicles by Cascaded Geometric Constraints and Depurated 2D Detections Using 3D Results

no code implementations1 Sep 2019 Jiaojiao Fang, Lingtao Zhou, Guizhong Liu

In this paper, we propose a novel two stage 3D object detection method aimed at get the optimal solution of object location in 3D space based on regressing two additional 3D object properties by a deep convolutional neural network and combined with cascaded geometric constraints between the 2D and 3D boxes.

3D Object Detection Autonomous Vehicles +2

A Single-shot Object Detector with Feature Aggragation and Enhancement

no code implementations8 Feb 2019 Weiqiang Li, Guizhong Liu

To achieve it we introduce a pair of novel feature aggregation modules and two feature enhancement blocks, and integrate them into the original structure of SSD.

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