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Deep metric learning is an important area due to its applicability to many domains such as image retrieval and person re-identification. The main drawback of such models is the necessity for labeled data. In this work, we propose to…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Xuefei Cao , Bor-Chun Chen , Ser-Nam Lim

Thomson scattering (TS) diagnostics provide reliable, minimally perturbative measurements of fundamental plasma parameters, such as electron density ($n_e$) and electron temperature ($T_e$). Deep neural networks can provide accurate…

Minimizing prediction uncertainty on unlabeled data is a key factor to achieve good performance in semi-supervised learning (SSL). The prediction uncertainty is typically expressed as the \emph{entropy} computed by the transformed…

机器学习 · 计算机科学 2021-12-16 Jing Li , Yuangang Pan , Ivor W. Tsang

We employ unsupervised machine learning to enhance the accuracy of our recently presented scaling method for wave confinement analysis [1]. We employ the standard k-means++ algorithm as well as our own model-based algorithm. We investigate…

Deep learning has become the method of choice to tackle real-world problems in different domains, partly because of its ability to learn from data and achieve impressive performance on a wide range of applications. However, its success…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Xiaofeng Liu , Chaehwa Yoo , Fangxu Xing , Hyejin Oh , Georges El Fakhri , Je-Won Kang , Jonghye Woo

While fully-supervised deep learning yields good models for urban scene semantic segmentation, these models struggle to generalize to new environments with different lighting or weather conditions for instance. In addition, producing the…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Antoine Saporta , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez

Recent advances in deep learning have significantly improved predictive accuracy. However, modern neural networks remain systematically overconfident, posing risks for deployment in safety-critical scenarios. Current post-hoc calibration…

机器学习 · 计算机科学 2025-07-01 Haolan Guo , Linwei Tao , Haoyang Luo , Minjing Dong , Chang Xu

Deep Learning-based Unsupervised Salient Object Detection (USOD) mainly relies on the noisy saliency pseudo labels that have been generated from traditional handcraft methods or pre-trained networks. To cope with the noisy labels problem, a…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Huajun Zhou , Bo Qiao , Lingxiao Yang , Jianhuang Lai , Xiaohua Xie

In computational pathology, deep learning (DL) models for tasks such as segmentation or tissue classification are known to suffer from domain shifts due to different staining techniques. Stain adaptation aims to reduce the generalization…

图像与视频处理 · 电气工程与系统科学 2024-07-04 Daniel Reisenbüchler , Lucas Luttner , Nadine S. Schaadt , Friedrich Feuerhake , Dorit Merhof

Confidence calibration -- the problem of predicting probability estimates representative of the true correctness likelihood -- is important for classification models in many applications. We discover that modern neural networks, unlike…

机器学习 · 计算机科学 2017-08-04 Chuan Guo , Geoff Pleiss , Yu Sun , Kilian Q. Weinberger

Segmenting medical images is critical to facilitating both patient diagnoses and quantitative research. A major limiting factor is the lack of labeled data, as obtaining expert annotations for each new set of imaging data and task can be…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Chen Liu , Matthew Amodio , Liangbo L. Shen , Feng Gao , Arman Avesta , Sanjay Aneja , Jay C. Wang , Lucian V. Del Priore , Smita Krishnaswamy

In human-centered intelligent building, real-time measurements of human thermal comfort play critical roles and supply feedback control signals for building heating, ventilation, and air conditioning (HVAC) systems. Due to the challenges of…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Xiaogang Cheng , Bin Yang , Kaige Tan , Erik Isaksson , Liren Li , Anders Hedman , Thomas Olofsson , Haibo Li

Temperature scaling is a simple method that allows to control the uncertainty of probabilistic models. It is mostly used in two contexts: improving the calibration of classifiers and tuning the stochasticity of large language models (LLMs).…

机器学习 · 统计学 2026-05-28 Pierre-Alexandre Mattei , Bruno Loureiro

Unsupervised learning has recently significantly gained in popularity, especially with deep learning-based approaches. Despite numerous successes and approaching supervised-level performance on a variety of academic benchmarks, it is still…

机器学习 · 计算机科学 2023-07-19 Anton Tsitsulin , Marina Munkhoeva , Bryan Perozzi

Calibration is central to reliable semantic uncertainty quantification, yet prior work has largely focused on discrimination, neglecting calibration. As calibration and discrimination capture distinct aspects of uncertainty, focusing on…

机器学习 · 计算机科学 2026-04-09 Tom A. Lamb , Desi R. Ivanova , Philip H. S. Torr , Tim G. J. Rudner

Unsupervised salient object detection aims to detect salient objects without using supervision signals eliminating the tedious task of manually labeling salient objects. To improve training efficiency, end-to-end methods for USOD have been…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Yicheng Song , Shuyong Gao , Haozhe Xing , Yiting Cheng , Yan Wang , Wenqiang Zhang

In this study, a novel idea, Uncertainty Structure Estimation (USE), a lightweight, algorithm-agnostic procedure that emphasizes the often-overlooked role of unlabeled data quality is introduced for Semi-supervised learning (SSL). SSL has…

Modern software systems rely on Deep Neural Networks (DNN) when processing complex, unstructured inputs, such as images, videos, natural language texts or audio signals. Provided the intractably large size of such input spaces, the…

软件工程 · 计算机科学 2021-02-03 Michael Weiss , Paolo Tonella

State-of-the-art computer vision models are mostly trained with supervised learning using human-labeled images, which limits their scalability due to the expensive annotation cost. While self-supervised representation learning has achieved…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Junnan Li , Silvio Savarese , Steven C. H. Hoi

Due to the trade-off between the temporal and spatial resolution of thermal spaceborne sensors, super-resolution methods have been developed to provide fine-scale Land SurfaceTemperature (LST) maps. Most of them are trained at low…