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Vertical split learning (SL) enables collaborative model training across parties holding complementary features without sharing raw data, but recent work has shown that it is highly vulnerable to poisoning-based backdoor attacks operating…

密码学与安全 · 计算机科学 2026-04-07 Yuhan Shui , Ruobin Jin , Zhihao Dou , Zhiqiang Gao

Semi-Supervised Learning (SSL) is a framework that utilizes both labeled and unlabeled data to enhance model performance. Conventional SSL methods operate under the assumption that labeled and unlabeled data share the same label space.…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Noam Fluss , Guy Hacohen , Daphna Weinshall

Recently, deep learning has experienced rapid expansion, contributing significantly to the progress of supervised learning methodologies. However, acquiring labeled data in real-world settings can be costly, labor-intensive, and sometimes…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Jicheng Yuan , Anh Le-Tuan , Ali Ganbarov , Manfred Hauswirth , Danh Le-Phuoc

Image-level weak-to-strong consistency serves as the predominant paradigm in semi-supervised learning~(SSL) due to its simplicity and impressive performance. Nonetheless, this approach confines all perturbations to the image level and…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Zhiyu Wu , Jinshi Cui

We introduce S$^2$VS, a video similarity learning approach with self-supervision. Self-Supervised Learning (SSL) is typically used to train deep models on a proxy task so as to have strong transferability on target tasks after fine-tuning.…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Giorgos Kordopatis-Zilos , Giorgos Tolias , Christos Tzelepis , Ioannis Kompatsiaris , Ioannis Patras , Symeon Papadopoulos

Semi-supervised action recognition aims to improve spatio-temporal reasoning ability with a few labeled data in conjunction with a large amount of unlabeled data. Albeit recent advancements, existing powerful methods are still prone to…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Yu Wang , Sanping Zhou , Kun Xia , Le Wang

Automated medical diagnosis through image-based neural networks has increased in popularity and matured over years. Nevertheless, it is confined by the scarcity of medical images and the expensive labor annotation costs. Self-Supervised…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Luffina C. Huang , Darren J. Chiu , Manish Mehta

Pre-training methods with contrastive learning objectives have shown remarkable success in dialog understanding tasks. However, current contrastive learning solely considers the self-augmented dialog samples as positive samples and treats…

计算与语言 · 计算机科学 2022-09-15 Wanwei He , Yinpei Dai , Binyuan Hui , Min Yang , Zheng Cao , Jianbo Dong , Fei Huang , Luo Si , Yongbin Li

In this paper, we introduce a novel self-supervised learning (SSL) loss for image representation learning. There is a growing belief that generalization in deep neural networks is linked to their ability to discriminate object shapes. Since…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Sepehr Sameni , Simon Jenni , Paolo Favaro

In this work, we address the critical yet underexplored challenge of symmetric multimodal-to-multimodal (MM2MM) retrieval, where queries and contexts are interchangeable. Existing universal multimodal retrieval works struggle with this…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Wenjie Yang , Hang Yu , Yuyu Guo , Peng Di

Semi-supervised learning (SSL) commonly exhibits confirmation bias, where models disproportionately favor certain classes, leading to errors in predicted pseudo labels that accumulate under a self-training paradigm. Unlike supervised…

机器学习 · 计算机科学 2024-09-30 Yu Wang , Yuxuan Yin , Peng Li

Semi-supervised learning (SSL) can reduce the need for large labelled datasets by incorporating unlabelled data into the training. This is particularly interesting for semantic segmentation, where labelling data is very costly and…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Sebastian Scherer , Robin Schön , Rainer Lienhart

Dramatic demand for manpower to label pixel-level annotations triggered the advent of unsupervised semantic segmentation. Although the recent work employing the vision transformer (ViT) backbone shows exceptional performance, there is still…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Hyun Seok Seong , WonJun Moon , SuBeen Lee , Jae-Pil Heo

Self-Supervised Learning (SSL) methods operate on unlabeled data to learn robust representations useful for downstream tasks. Most SSL methods rely on augmentations obtained by transforming the 2D image pixel map. These augmentations ignore…

计算机视觉与模式识别 · 计算机科学 2023-01-30 Sumukh Aithal , Anirudh Goyal , Alex Lamb , Yoshua Bengio , Michael Mozer

Artificial intelligence (AI) is anticipated to play a pivotal role in 6G. However, a key challenge in developing AI-powered solutions is the extensive data collection and labeling efforts required to train supervised deep learning models.…

信号处理 · 电气工程与系统科学 2025-09-04 Ogechukwu Kanu , Ashkan Eshaghbeigi , Hatem Abou-Zeid

Time-series representation learning can extract representations from data with temporal dynamics and sparse labels. When labeled data are sparse but unlabeled data are abundant, contrastive learning, i.e., a framework to learn a latent…

机器学习 · 计算机科学 2023-03-03 Heejeong Choi , Pilsung Kang

Self-supervised learning (SSL) methods have shown promise for medical imaging applications by learning meaningful visual representations, even when the amount of labeled data is limited. Here, we extend state-of-the-art contrastive learning…

Semi-supervised learning (SSL), which aims at leveraging a few labeled images and a large number of unlabeled images for network training, is beneficial for relieving the burden of data annotation in medical image segmentation. According to…

图像与视频处理 · 电气工程与系统科学 2022-02-15 Xinkai Zhao , Chaowei Fang , De-Jun Fan , Xutao Lin , Feng Gao , Guanbin Li

Self-supervised learning (SSL) faces a fundamental conflict between semantic understanding and image reconstruction. High-level semantic SSL (e.g., DINO) relies on global tokens that are forced to be location-invariant for augmentation…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Theodore Zhengde Zhao , Sid Kiblawi , Jianwei Yang , Naoto Usuyama , Reuben Tan , Noel C Codella , Tristan Naumann , Hoifung Poon , Mu Wei

Since the introduction of BERT and RoBERTa, research on Semantic Textual Similarity (STS) has made groundbreaking progress. Particularly, the adoption of contrastive learning has substantially elevated state-of-the-art performance across…

计算与语言 · 计算机科学 2024-10-08 Bowen Zhang , Chunping Li