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Deep Metric Learning (DML) plays a critical role in various machine learning tasks. However, most existing deep metric learning methods with binary similarity are sensitive to noisy labels, which are widely present in real-world data. Since…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Jiexi Yan , Lei Luo , Cheng Deng , Heng Huang

Certifying the IID generalisation ability of deep networks is the first of many requirements for trusting AI in high-stakes applications from medicine to security. However, when instantiating generalisation bounds for deep networks it…

机器学习 · 计算机科学 2025-05-22 Taehoon Kim , Henry Gouk , Minyoung Kim , Timothy Hospedales

Adversarial examples pose a security risk as they can alter decisions of a machine learning classifier through slight input perturbations. Certified robustness has been proposed as a mitigation where given an input $\mathbf{x}$, a…

密码学与安全 · 计算机科学 2024-09-10 Jiankai Jin , Olga Ohrimenko , Benjamin I. P. Rubinstein

Deep learning-based approaches achieve state-of-the-art performance in the majority of image segmentation benchmarks. However, training of such models requires a sizable amount of manual annotations. In order to reduce this effort, we…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Mahdyar Ravanbakhsh , Tassilo Klein , Kayhan Batmanghelich , Moin Nabi

In semi-supervised segmentation, capturing meaningful semantic structures from unlabeled data is essential. This is particularly challenging in histopathology image analysis, where objects are densely distributed. To address this issue, we…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Meilong Xu , Xiaoling Hu , Shahira Abousamra , Chen Li , Chao Chen

Medical image segmentation is a pivotal step in diagnostic and therapeutic processes, relying on high-quality annotated data that is often challenging and costly to obtain. Semi-supervised learning offers a promising approach to enhance…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Yuxuan Cheng , Chenxi Shao , Jie Ma , Yunfei Xie , Guoliang Li

We propose a new splitting criterion for a meta-learning approach to multiclass classifier design that adaptively merges the classes into a tree-structured hierarchy of increasingly difficult binary classification problems. The…

机器学习 · 计算机科学 2017-11-10 Gerrit J. J. van den Burg , Alfred O. Hero

Randomized smoothing has recently emerged as an effective tool that enables certification of deep neural network classifiers at scale. All prior art on randomized smoothing has focused on isotropic $\ell_p$ certification, which has the…

Deep learning based image segmentation methods have achieved great success, even having human-level accuracy in some applications. However, due to the black box nature of deep learning, the best method may fail in some situations. Thus…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Leixin Zhou , Wenxiang Deng , Xiaodong Wu

We develop a machine-learning framework to learn hyperparameter sequences for accelerated first-order methods (e.g., the step size and momentum sequences in accelerated gradient descent) to quickly solve parametric convex optimization…

最优化与控制 · 数学 2025-10-07 Rajiv Sambharya , Jinho Bok , Nikolai Matni , George Pappas

This paper develops novel conformal prediction methods for classification tasks that can automatically adapt to random label contamination in the calibration sample, leading to more informative prediction sets with stronger coverage…

统计方法学 · 统计学 2024-02-23 Matteo Sesia , Y. X. Rachel Wang , Xin Tong

Methods to certify the robustness of neural networks in the presence of input uncertainty are vital in safety-critical settings. Most certification methods in the literature are designed for adversarial input uncertainty, but researchers…

机器学习 · 计算机科学 2023-01-26 Brendon G. Anderson , Somayeh Sojoudi

Randomized smoothing is a popular certified defense against adversarial attacks. In its essence, we need to solve a problem of statistical estimation which is usually very time-consuming since we need to perform numerous (usually $10^5$)…

机器学习 · 统计学 2025-01-22 Vaclav Voracek

Vanilla pixel-level classifiers for semantic segmentation are based on a certain paradigm, involving the inner product of fixed prototypes obtained from the training set and pixel features in the test image. This approach, however,…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Xiaowen Ma , Zhenliang Ni , Xinghao Chen

To improve logical anomaly detection, some previous works have integrated segmentation techniques with conventional anomaly detection methods. Although these methods are effective, they frequently lead to unsatisfactory segmentation results…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Yu-Hsuan Hsieh , Shang-Hong Lai

Randomized smoothing is currently the state-of-the-art method that provides certified robustness for deep neural networks. However, due to its excessively conservative nature, this method of incomplete verification often cannot achieve an…

机器学习 · 计算机科学 2023-12-29 Bo-Han Kung , Shang-Tse Chen

The aim of this paper is to propose an adaptation of the well known adaptive conformal inference (ACI) algorithm to achieve finite-sample coverage guarantees in multi-step ahead time-series forecasting in the online setting. ACI dynamically…

机器学习 · 统计学 2024-09-24 Johan Hallberg Szabadváry

The automation of robotic tasks requires high precision and adaptability, particularly in force-based operations such as insertions. Traditional learning-based approaches either rely on static datasets, which limit their ability to…

机器人学 · 计算机科学 2025-08-22 Zebin Duan , Frederik Hagelskjær , Aljaz Kramberger , Juan Heredia , Norbert Krüger

Recent advances in semi-supervised learning (SSL) demonstrate that a combination of consistency regularization and pseudo-labeling can effectively improve image classification accuracy in the low-data regime. Compared to classification,…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Yuliang Zou , Zizhao Zhang , Han Zhang , Chun-Liang Li , Xiao Bian , Jia-Bin Huang , Tomas Pfister

Real-life applications of deep neural networks are hindered by their unsteady predictions when faced with noisy inputs and adversarial attacks. The certified radius in this context is a crucial indicator of the robustness of models. However…

机器学习 · 计算机科学 2024-03-19 Blaise Delattre , Alexandre Araujo , Quentin Barthélemy , Alexandre Allauzen