Search Results for author: Yahong Han

Found 24 papers, 9 papers with code

Extract and Merge: Superpixel Segmentation with Regional Attributes

no code implementations ECCV 2020 Jianqiao An, Yucheng Shi, Yahong Han, Meijun Sun, Qi Tian

For a certain object in an image, the relationship between its central region and the peripheral region is not well utilized in existing superpixel segmentation methods.

Attribute Superpixels

Generalizing to Out-of-Sample Degradations via Model Reprogramming

1 code implementation9 Mar 2024 Runhua Jiang, Yahong Han

To address this issue, we propose a model reprogramming framework, which translates out-of-sample degradations by quantum mechanic and wave functions.

Image Restoration Translation

Prompt-Driven Dynamic Object-Centric Learning for Single Domain Generalization

no code implementations28 Feb 2024 Deng Li, Aming Wu, YaoWei Wang, Yahong Han

In this paper, we propose a dynamic object-centric perception network based on prompt learning, aiming to adapt to the variations in image complexity.

Domain Generalization Image Classification +3

Multi-Source Collaborative Gradient Discrepancy Minimization for Federated Domain Generalization

no code implementations5 Jan 2024 Yikang Wei, Yahong Han

Federated Domain Generalization aims to learn a domain-invariant model from multiple decentralized source domains for deployment on unseen target domain.

Domain Generalization

Joint Correcting and Refinement for Balanced Low-Light Image Enhancement

2 code implementations28 Sep 2023 Nana Yu, Hong Shi, Yahong Han

Specifically, the proposed method, so-called Joint Correcting and Refinement Network (JCRNet), which mainly consists of three stages to balance brightness, color, and illumination of enhancement.

Low-Light Image Enhancement Saliency Detection

Reliable and Interpretable Personalized Federated Learning

no code implementations CVPR 2023 Zixuan Qin, Liu Yang, Qilong Wang, Yahong Han, QinGhua Hu

When there are large differences in data distribution among clients, it is crucial for federated learning to design a reliable client selection strategy and an interpretable client communication framework to better utilize group knowledge.

Personalized Federated Learning

Prototype-guided Cross-task Knowledge Distillation for Large-scale Models

1 code implementation26 Dec 2022 Deng Li, Aming Wu, Yahong Han, Qi Tian

Considering the complexity and variability of real scene tasks, we propose a Prototype-guided Cross-task Knowledge Distillation (ProC-KD) approach to transfer the intrinsic local-level object knowledge of a large-scale teacher network to various task scenarios.

Knowledge Distillation

Peng Cheng Object Detection Benchmark for Smart City

no code implementations11 Mar 2022 YaoWei Wang, Zhouxin Yang, Rui Liu, Deng Li, Yuandu Lai, Leyuan Fang, Yahong Han

Considering the diversity and complexity of scenes in intelligent city governance, we build a large-scale object detection benchmark for the smart city.

Object object-detection +1

Action Keypoint Network for Efficient Video Recognition

no code implementations17 Jan 2022 Xu Chen, Yahong Han, Xiaohan Wang, Yifan Sun, Yi Yang

An effective approach is to select informative content from the holistic video, yielding a popular family of dynamic video recognition methods.

Action Recognition Point Cloud Classification +1

Frequency Spectrum Augmentation Consistency for Domain Adaptive Object Detection

no code implementations16 Dec 2021 Rui Liu, Yahong Han, YaoWei Wang, Qi Tian

In the second stage, augmented source and target data with pseudo labels are adopted to perform the self-training for prediction consistency.

Object object-detection +1

Decision-based Black-box Attack Against Vision Transformers via Patch-wise Adversarial Removal

1 code implementation7 Dec 2021 Yucheng Shi, Yahong Han, Yu-an Tan, Xiaohui Kuang

On the other hand, the neglect of noise sensitivity differences between image regions by existing decision-based attacks further compromises the efficiency of noise compression, especially for ViTs.

Adversarial Robustness

Vector-Decomposed Disentanglement for Domain-Invariant Object Detection

1 code implementation ICCV 2021 Aming Wu, Rui Liu, Yahong Han, Linchao Zhu, Yi Yang

Secondly, domain-specific representations are introduced as the differences between the input and domain-invariant representations.

Disentanglement Object +2

Domain Adaptation without Model Transferring

no code implementations21 Jul 2021 Kunhong Wu, Yucheng Shi, Yahong Han, Yunfeng Shao, Bingshuai Li, Qi Tian

Existing unsupervised domain adaptation (UDA) methods can achieve promising performance without transferring data from source domain to target domain.

Unsupervised Domain Adaptation

Anomaly Detection with Prototype-Guided Discriminative Latent Embeddings

no code implementations30 Apr 2021 Yuandu Lai, Yahong Han, YaoWei Wang

Recent efforts towards video anomaly detection (VAD) try to learn a deep autoencoder to describe normal event patterns with small reconstruction errors.

Anomaly Detection Optical Flow Estimation +1

Universal-Prototype Enhancing for Few-Shot Object Detection

1 code implementation ICCV 2021 Aming Wu, Yahong Han, Linchao Zhu, Yi Yang

Thus, we develop a new framework of few-shot object detection with universal prototypes ({FSOD}^{up}) that owns the merit of feature generalization towards novel objects.

Few-Shot Object Detection Meta-Learning +3

Hierarchical Memory Decoding for Video Captioning

no code implementations27 Feb 2020 Aming Wu, Yahong Han

Instead of the common practice, i. e., sequence decoding with RNN, in this paper, we devise a novel memory decoder for video captioning.

Video Captioning

Connective Cognition Network for Directional Visual Commonsense Reasoning

1 code implementation NeurIPS 2019 Aming Wu, Linchao Zhu, Yahong Han, Yi Yang

Inspired by this idea, towards VCR, we propose a connective cognition network (CCN) to dynamically reorganize the visual neuron connectivity that is contextualized by the meaning of questions and answers.

Sentence Visual Commonsense Reasoning

Instance-Invariant Domain Adaptive Object Detection via Progressive Disentanglement

no code implementations20 Nov 2019 Aming Wu, Yahong Han, Linchao Zhu, Yi Yang

Most state-of-the-art methods of object detection suffer from poor generalization ability when the training and test data are from different domains, e. g., with different styles.

Disentanglement Object +2

Curls & Whey: Boosting Black-Box Adversarial Attacks

1 code implementation CVPR 2019 Yucheng Shi, Siyu Wang, Yahong Han

On the one hand, existing iterative attacks add noises monotonically along the direction of gradient ascent, resulting in a lack of diversity and adaptability of the generated iterative trajectories.

Adversarial Attack

Pooling the Convolutional Layers in Deep ConvNets for Action Recognition

no code implementations6 Nov 2015 Shichao Zhao, Yanbin Liu, Yahong Han, Richang Hong

It achieves the accuracy of 93. 78\% on UCF101 which is the state-of-the-art and the accuracy of 65. 62\% on HMDB51 which is comparable to the state-of-the-art.

Action Recognition Image Classification +1

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