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We present SlotAdapt, an object-centric learning method that combines slot attention with pretrained diffusion models by introducing adapters for slot-based conditioning. Our method preserves the generative power of pretrained diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Adil Kaan Akan , Yucel Yemez

Large scale datasets created from crowdsourced labels or openly available data have become crucial to provide training data for large scale learning algorithms. While these datasets are easier to acquire, the data are frequently noisy and…

Image and Video Processing · Electrical Eng. & Systems 2022-01-03 Rodrigo Caye Daudt , Bertrand Le Saux , Alexandre Boulch , Yann Gousseau

Diffusion has shown great success in improving accuracy of unsupervised image retrieval systems by utilizing high-order structures of image manifold. However, existing diffusion methods suffer from three major limitations: 1) they usually…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 Zhiyong Dou , Haotian Cui , Lin Zhang , Bo Wang

Given labeled instances on a source domain and unlabeled ones on a target domain, unsupervised domain adaptation aims to learn a task classifier that can well classify target instances. Recent advances rely on domain-adversarial training of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Hui Tang , Kui Jia

In this paper, we present Conjoint Attentions (CAs), a class of novel learning-to-attend strategies for graph neural networks (GNNs). Besides considering the layer-wise node features propagated within the GNN, CAs can additionally…

Machine Learning · Computer Science 2021-12-14 Tiantian He , Yew-Soon Ong , Lu Bai

With the increased deployment of face recognition systems in our daily lives, face presentation attack detection (PAD) is attracting much attention and playing a key role in securing face recognition systems. Despite the great performance…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Meiling Fang , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

Imputing missing node features in graphs is challenging, particularly under high missing rates. Existing methods based on latent representations or global diffusion often fail to produce reliable estimates, and may propagate errors across…

Machine Learning · Computer Science 2026-01-28 Xin Qiao , Shijie Sun , Anqi Dong , Cong Hua , Xia Zhao , Longfei Zhang , Guangming Zhu , Liang Zhang

This paper proposes and analyzes a novel clustering algorithm that combines graph-based diffusion geometry with techniques based on density and mode estimation. The proposed method is suitable for data generated from mixtures of…

Machine Learning · Statistics 2019-01-01 Mauro Maggioni , James M. Murphy

Previous knowledge distillation methods have shown their impressive performance on model compression tasks, however, it is hard to explain how the knowledge they transferred helps to improve the performance of the student network. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Ziyao Guo , Haonan Yan , Hui Li , Xiaodong Lin

Face clustering has attracted rising research interest recently to take advantage of massive amounts of face images on the web. State-of-the-art performance has been achieved by Graph Convolutional Networks (GCN) due to their powerful…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yaohua Wang , Yaobin Zhang , Fangyi Zhang , Ming Lin , YuQi Zhang , Senzhang Wang , Xiuyu Sun

The information diffusion performance of GCN and its variant models is limited by the adjacency matrix, which can lower their performance. Therefore, we introduce a new framework for graph convolutional networks called Hybrid…

Machine Learning · Computer Science 2023-04-03 Zhi Yang , Kang Li , Haitao Gan , Zhongwei Huang , Ming Shi

Metric-based few-shot fine-grained classification has shown promise due to its simplicity and efficiency. However, existing methods often overlook task-level special cases and struggle with accurate category description and irrelevant…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Ping Li , Hongbo Wang , Lei Lu

Graph-based semi-supervised learning usually involves two separate stages, constructing an affinity graph and then propagating labels for transductive inference on the graph. It is suboptimal to solve them independently, as the correlation…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Qilin Li , Senjian An , Ling Li , Wanquan Liu

Recently, graph neural networks (GNNs) have shown prominent performance in semi-supervised node classification by leveraging knowledge from the graph database. However, most existing GNNs follow the homophily assumption, where connected…

Machine Learning · Computer Science 2024-03-12 Henan Sun , Xunkai Li , Zhengyu Wu , Daohan Su , Rong-Hua Li , Guoren Wang

Augmentation techniques and sampling strategies are crucial in contrastive learning, but in most existing works, augmentation techniques require careful design, and their sampling strategies can only capture a small amount of intrinsic…

Machine Learning · Computer Science 2023-07-28 Yixian Ma , Kun Zhan

Knowledge distillation (KD) is a widely used technique to transfer knowledge from a large teacher network to a smaller student model. Traditional KD uses a fixed balancing factor alpha as a hyperparameter to combine the hard-label…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zhengda Li

Few-shot classification is a challenging problem that aims to learn a model that can adapt to unseen classes given a few labeled samples. Recent approaches pre-train a feature extractor, and then fine-tune for episodic meta-learning. Other…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Philip Chikontwe , Soopil Kim , Sang Hyun Park

Subgraph matching is to find all subgraphs in a data graph that are isomorphic to an existing query graph. Subgraph matching is an NP-hard problem, yet has found its applications in many areas. Many learning-based methods have been proposed…

Discrete Mathematics · Computer Science 2022-11-09 Zixun Lan , Ye Ma , Limin Yu , LingLong Yuan , Fei Ma

Cross-modal alignment is an effective approach to improving visual classification. Existing studies typically enforce a one-step mapping that uses deep neural networks to project the visual features to mimic the distribution of textual…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Zixuan Li , Lei Meng , Guoqing Chao , Wei Wu , Xiaoshuo Yan , Yimeng Yang , Zhuang Qi , Xiangxu Meng

The high cost of data labeling often results in node label shortage in real applications. To improve node classification accuracy, graph-based semi-supervised learning leverages the ample unlabeled nodes to train together with the scarce…

Machine Learning · Computer Science 2023-03-14 Jiaren Xiao , Quanyu Dai , Xiaochen Xie , James Lam , Ka-Wai Kwok