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Neural networks exhibit severe brittleness to semantically irrelevant transformations. A mere 75ms electrocardiogram (ECG) phase shift degrades latent cosine similarity from 1.0 to 0.2, while sensor rotations collapse activity recognition…

机器学习 · 计算机科学 2025-11-20 Zhengyang Shen , Hua Tu , Mayue Shi

Self-Supervised Learning (SSL) is a reliable learning mechanism in which a robot uses an original, trusted sensor cue for training to recognize an additional, complementary sensor cue. We study for the first time in SSL how a robot's…

机器人学 · 计算机科学 2016-03-29 Kevin van Hecke , Guido de Croon , Laurens van der Maaten , Daniel Hennes , Dario Izzo

Sign language recognition (SLR) is a machine learning task aiming to identify signs in videos. Due to the scarcity of annotated data, unsupervised methods like contrastive learning have become promising in this field. They learn meaningful…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Ariel Basso Madjoukeng , Jérôme Fink , Pierre Poitier , Edith Belise Kenmogne , Benoit Frenay

Self-supervised learning (SSL) has emerged as a powerful paradigm for Chest X-ray (CXR) analysis under limited annotations. Yet, existing SSL strategies remain suboptimal for medical imaging. Masked image modeling allocates substantial…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Wangyu Feng , Shawn Young , Lijian Xu

In reinforcement learning (RL), it is challenging to learn directly from high-dimensional observations, where data augmentation has recently been shown to remedy this via encoding invariances from raw pixels. Nevertheless, we empirically…

机器学习 · 计算机科学 2023-12-20 Chenyu Sun , Hangwei Qian , Chunyan Miao

Recent advances in self-supervised learning (SSL) have made it possible to learn general-purpose visual features that capture both the high-level semantics and the fine-grained spatial structure of images. Most notably, the recent DINOv2…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Mattia Scardecchia

Most of the recent Deep Semantic Segmentation algorithms suffer from large generalization errors, even when powerful hierarchical representation models based on convolutional neural networks have been employed. This could be attributed to…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Javed Iqbal , Mohsen Ali

Self-supervised learning (SSL) has recently shown tremendous potential to learn generic visual representations useful for many image analysis tasks. Despite their notable success, the existing SSL methods fail to generalize to downstream…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Chetan L Srinidhi , Anne L Martel

In Computer Vision, self-supervised contrastive learning enforces similar representations between different views of the same image. The pre-training is most often performed on image classification datasets, like ImageNet, where images…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Benjamin Missaoui , Chongbin Yuan

The recent breakthrough achieved by contrastive learning accelerates the pace for deploying unsupervised training on real-world data applications. However, unlabeled data in reality is commonly imbalanced and shows a long-tail distribution,…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Ziyu Jiang , Tianlong Chen , Bobak Mortazavi , Zhangyang Wang

Lately, deep learning has been extensively investigated for accelerating dynamic magnetic resonance (MR) imaging, with encouraging progresses achieved. However, without fully sampled reference data for training, current approaches may have…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Juan Zou , Cheng Li , Sen Jia , Ruoyou Wu , Tingrui Pei , Hairong Zheng , Shanshan Wang

Contrastive learning (CL)-based self-supervised learning models learn visual representations in a pairwise manner. Although the prevailing CL model has achieved great progress, in this paper, we uncover an ever-overlooked phenomenon: When…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Wenwen Qiang , Jiangmeng Li , Changwen Zheng , Bing Su , Hui Xiong

In self-supervised learning (SSL), representations are learned via an auxiliary task without annotated labels. A common task is to classify augmentations or different modalities of the data, which share semantic content (e.g. an object in…

机器学习 · 计算机科学 2024-10-16 Alice Bizeul , Bernhard Schölkopf , Carl Allen

Spoken language understanding (SLU) is a fundamental task in the task-oriented dialogue systems. However, the inevitable errors from automatic speech recognition (ASR) usually impair the understanding performance and lead to error…

计算与语言 · 计算机科学 2023-11-21 Xuxin Cheng , Bowen Cao , Qichen Ye , Zhihong Zhu , Hongxiang Li , Yuexian Zou

Accurately quantifying geo-level marketing lift in two-sided marketplaces is challenging: the Synthetic Control Method (SCM) often exhibits high power yet systematically under-estimates effect size, while panel-style Double Machine Learning…

机器学习 · 计算机科学 2025-08-29 Sang Su Lee , Vineeth Loganathan , Vijay Raghavan

Deformable multi-contrast image registration is a challenging yet crucial task due to the complex, non-linear intensity relationships across different imaging contrasts. Conventional registration methods typically rely on iterative…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Yinsong Wang , Xinzhe Luo , Siyi Du , Chen Qin

Zero-shot learning (ZSL) aims to recognize unseen classes without visual instances. However, existing methods usually assume clean labels, overlooking real-world label noise and ambiguity, which degrades performance. To bridge this gap, we…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Jiangnan Li , Linqing Huang , Xiaowen Yan , Min Gan , Wenpeng Lu , Jinfu Fan

In high-stakes medical applications, consistent answering across diverse question phrasings is essential for reliable diagnosis. However, we reveal that current Medical Vision-Language Models (Med-VLMs) exhibit concerning fragility in…

计算与语言 · 计算机科学 2025-08-27 Songtao Jiang , Yuxi Chen , Sibo Song , Yan Zhang , Yeying Jin , Yang Feng , Jian Wu , Zuozhu Liu

To achieve promising results on blind image super-resolution (SR), some attempts leveraged the low resolution (LR) images to predict the kernel and improve the SR performance. However, these Supervised Kernel Prediction (SKP) methods are…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Yifeng Zhou , Chuming Lin , Donghao Luo , Yong Liu , Ying Tai , Chengjie Wang , Mingang Chen

We describe a method for unpaired realistic depth synthesis that learns diverse variations from the real-world depth scans and ensures geometric consistency between the synthetic and synthesized depth. The synthesized realistic depth can…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yuefan Shen , Yanchao Yang , Youyi Zheng , C. Karen Liu , Leonidas Guibas