Search Results for author: Han Sun

Found 11 papers, 9 papers with code

A Task-aware Dual Similarity Network for Fine-grained Few-shot Learning

1 code implementation22 Oct 2022 Yan Qi, Han Sun, Ningzhong Liu, Huiyu Zhou

The goal of fine-grained few-shot learning is to recognize sub-categories under the same super-category by learning few labeled samples.

Few-Shot Learning

Polycentric Clustering and Structural Regularization for Source-free Unsupervised Domain Adaptation

1 code implementation14 Oct 2022 Xinyu Guan, Han Sun, Ningzhong Liu, Huiyu Zhou

In this paper, a novel framework named PCSR is proposed to tackle SFDA via a novel intra-class Polycentric Clustering and Structural Regularization strategy.

Source-Free Domain Adaptation Unsupervised Domain Adaptation

MonoSIM: Simulating Learning Behaviors of Heterogeneous Point Cloud Object Detectors for Monocular 3D Object Detection

1 code implementation19 Aug 2022 Han Sun, Zhaoxin Fan, Zhenbo Song, Zhicheng Wang, Kejian Wu, Jianfeng Lu

The insight behind introducing MonoSIM is that we propose to simulate the feature learning behaviors of a point cloud based detector for monocular detector during the training period.

Autonomous Driving Depth Estimation +3

Real-Time Elderly Monitoring for Senior Safety by Lightweight Human Action Recognition

no code implementations21 Jul 2022 Han Sun, Yu Chen

Real-time monitoring and action recognition are essential to raise an alert timely when abnormal behaviors or unusual activities occur.

Action Recognition Privacy Preserving +1

Attention Guided Network for Salient Object Detection in Optical Remote Sensing Images

1 code implementation5 Jul 2022 Yuhan Lin, Han Sun, Ningzhong Liu, Yetong Bian, Jun Cen, Huiyu Zhou

Specifically, the position enhancement stage consists of a semantic attention module and a contextual attention module to accurately describe the approximate location of salient objects.

object-detection Object Detection +1

A lightweight multi-scale context network for salient object detection in optical remote sensing images

1 code implementation18 May 2022 Yuhan Lin, Han Sun, Ningzhong Liu, Yetong Bian, Jun Cen, Huiyu Zhou

Meanwhile, in order to accurately detect complete salient objects in complex backgrounds, we design an attention-based pyramid feature aggregation mechanism for gradually aggregating and refining the salient regions from the multi-scale context extraction module.

object-detection Object Detection +1

Robust Ensembling Network for Unsupervised Domain Adaptation

1 code implementation21 Aug 2021 Han Sun, Lei Lin, Ningzhong Liu, Huiyu Zhou

In this paper, we propose a Robust Ensembling Network (REN) for UDA, which applies a robust time ensembling teacher network to learn global information for domain transfer.

Unsupervised Domain Adaptation

MPI: Multi-receptive and Parallel Integration for Salient Object Detection

1 code implementation8 Aug 2021 Han Sun, Jun Cen, Ningzhong Liu, Dong Liang, Huiyu Zhou

The semantic representation of deep features is essential for image context understanding, and effective fusion of features with different semantic representations can significantly improve the model's performance on salient object detection.

object-detection Object Detection +1

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