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High-precision scene parsing tasks, including image matting and dichotomous segmentation, aim to accurately predict masks with extremely fine details (such as hair). Most existing methods focus on salient, single foreground objects. While…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Haipeng Zhou , Zhaohu Xing , Hongqiu Wang , Jun Ma , Ping Li , Lei Zhu

Unsupervised domain adaptation (UDA) aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Owing to privacy concerns and heavy data transmission, source-free UDA, exploiting the pre-trained source models…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Yuhe Ding , Lijun Sheng , Jian Liang , Aihua Zheng , Ran He

Embedding 3D morphable basis functions into deep neural networks opens great potential for models with better representation power. However, to faithfully learn those models from an image collection, it requires strong regularization to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Luan Tran , Feng Liu , Xiaoming Liu

Vision foundation models exhibit impressive power, benefiting from the extremely large model capacity and broad training data. However, in practice, downstream scenarios may only support a small model due to the limited computational…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Shoukai Xu , Jiangchao Yao , Ran Luo , Shuhai Zhang , Zihao Lian , Mingkui Tan , Bo Han , Yaowei Wang

Despite demonstrating superior performance across a variety of linguistic tasks, pre-trained large language models (LMs) often require fine-tuning on specific datasets to effectively address different downstream tasks. However, fine-tuning…

Computation and Language · Computer Science 2024-10-02 Zhidong Gao , Yu Zhang , Zhenxiao Zhang , Yanmin Gong , Yuanxiong Guo

Diffusion models excel at capturing complex data distributions, such as those of natural images and proteins. While diffusion models are trained to represent the distribution in the training dataset, we often are more concerned with other…

Among various supervised deep metric learning methods proxy-based approaches have achieved high retrieval accuracies. Proxies, which are class-representative points in an embedding space, receive updates based on proxy-sample similarities…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Aoyu Li , Ikuro Sato , Kohta Ishikawa , Rei Kawakami , Rio Yokota

Federated Learning (FL) is an established paradigm for training deep learning models on decentralized data. However, as the size of the models grows, conventional FL approaches often require significant computational resources on client…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Matteo Caligiuri , Francesco Barbato , Donald Shenaj , Umberto Michieli , Pietro Zanuttigh

Foundation models leverage large-scale pretraining to capture extensive knowledge, demonstrating generalization in a wide range of language tasks. By comparison, vision foundation models (VFMs) often exhibit uneven improvements across…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Shiqi Huang , Yipei Wang , Natasha Thorley , Alexander Ng , Shaheer Saeed , Mark Emberton , Shonit Punwani , Veeru Kasivisvanathan , Dean Barratt , Daniel Alexander , Yipeng Hu

Vision Transformers (ViTs) often degrade under distribution shifts because they rely on spurious correlations, such as background cues, rather than semantically meaningful features. Existing regularization methods, typically relying on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yehonatan Elisha , Oren Barkan , Noam Koenigstein

Diffusion models achieve state-of-the-art image generation but remain computationally costly due to iterative denoising. Latent-space models like Stable Diffusion reduce overhead yet lose fine detail, while retrieval-augmented methods…

Machine Learning · Computer Science 2025-12-23 Bilal Faye , Hanane Azzag , Mustapha Lebbah

Federated domain adaptation (FDA) aims to collaboratively transfer knowledge from source clients (domains) to the related but different target client, without communicating the local data of any client. Moreover, the source clients have…

Machine Learning · Computer Science 2023-05-19 Chang'an Yi , Haotian Chen , Yonghui Xu , Yifan Zhang

In computer vision, fine-tuning is the de-facto approach to leverage pre-trained vision models to perform downstream tasks. However, deploying it in practice is quite challenging, due to adopting parameter inefficient global update and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Xing Nie , Bolin Ni , Jianlong Chang , Gaomeng Meng , Chunlei Huo , Zhaoxiang Zhang , Shiming Xiang , Qi Tian , Chunhong Pan

Fine-tuning has been proven to be a simple and effective technique to transfer the learned knowledge of Pre-trained Language Models (PLMs) to downstream tasks. However, vanilla fine-tuning easily overfits the target data and degrades the…

Computation and Language · Computer Science 2023-06-21 Junhao Zheng , Qianli Ma , Shengjie Qiu , Yue Wu , Peitian Ma , Junlong Liu , Huawen Feng , Xichen Shang , Haibin Chen

Foundation models encode rich representations that can be adapted to downstream tasks by fine-tuning. However, fine-tuning a model on one data distribution often degrades performance under distribution shifts. Current approaches to robust…

Machine Learning · Computer Science 2024-03-15 Caroline Choi , Yoonho Lee , Annie Chen , Allan Zhou , Aditi Raghunathan , Chelsea Finn

Convolutional neural networks require numerous data for training. Considering the difficulties in data collection and labeling in some specific tasks, existing approaches generally use models pre-trained on a large source domain (e.g.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Zhichen Zhao , Bowen Zhang , Yuning Jiang , Li Xu , Lei Li , Wei-Ying Ma

Medical foundation models pre-trained on large-scale datasets have demonstrated powerful versatile capabilities for various tasks. However, due to the gap between pre-training tasks (or modalities) and downstream tasks (or modalities), the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Yuhang Zhou , Siyuan Du , Haolin Li , Jiangchao Yao , Ya Zhang , Yanfeng Wang

Feature-based knowledge distillation has been applied to compress modern recommendation models, usually with projectors that align student (small) recommendation models' dimensions with teacher dimensions. However, existing studies have…

Information Retrieval · Computer Science 2025-01-14 Zhangchi Zhu , Wei Zhang

Proxy-based metric learning losses are superior to pair-based losses due to their fast convergence and low training complexity. However, existing proxy-based losses focus on learning class-discriminative features while overlooking the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Zhibo Yang , Muhammet Bastan , Xinliang Zhu , Doug Gray , Dimitris Samaras

Catastrophic forgetting is a well-documented challenge in model fine-tuning, particularly when the downstream domain has limited labeled data or differs substantially from the pre-training distribution. Existing parameter-efficient…

Machine Learning · Computer Science 2026-02-03 Peng Wang , Minghao Gu , Qiang Huang