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Estimation and inference of treatment effects under unconfounded treatment assignments often suffer from bias and the `curse of dimensionality' due to the nonparametric estimation of nuisance parameters for high-dimensional confounders.…

统计方法学 · 统计学 2025-07-08 Zeqi Wu , Meilin Wang , Wei Huang , Zheng Zhang

Shape modeling is a challenging task with many potential applications in computer vision and medical imaging. There are many shape modeling methods in the literature, each with its advantages and applications. However, many shape modeling…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Cheng Long , Adrian Barbu

Given a graph with node attributes, what neighborhoods are anomalous? To answer this question, one needs a quality score that utilizes both structure and attributes. Popular existing measures either quantify the structure only and ignore…

社会与信息网络 · 计算机科学 2016-01-26 Bryan Perozzi , Leman Akoglu

The standardized mean difference (SMD) is a widely used measure of effect size, particularly common in psychology, clinical trials, and meta-analysis involving continuous outcomes. Traditionally, under the equal variance assumption, the SMD…

统计方法学 · 统计学 2025-06-05 Jiandong Shi , Xiaochen Zhang , Lu Lin , Hiu Yee Kwan , Tiejun Tong

Anomaly detection in medical imaging is a challenging task in contexts where abnormalities are not annotated. This problem can be addressed through unsupervised anomaly detection (UAD) methods, which identify features that do not match with…

图像与视频处理 · 电气工程与系统科学 2023-09-07 Geoffroy Oudoumanessah , Carole Lartizien , Michel Dojat , Florence Forbes

Obtaining labels for medical (image) data requires scarce and expensive experts. Moreover, due to ambiguous symptoms, single images rarely suffice to correctly diagnose a medical condition. Instead, it often requires to take additional…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Diana Davletshina , Valentyn Melnychuk , Viet Tran , Hitansh Singla , Max Berrendorf , Evgeniy Faerman , Michael Fromm , Matthias Schubert

Novelty detection is a critical task in various engineering fields. Numerous approaches to novelty detection rely on supervised or semi-supervised learning, which requires labelled datasets for training. However, acquiring labelled data,…

机器学习 · 计算机科学 2024-09-12 Ariel Priarone , Umberto Albertin , Carlo Cena , Mauro Martini , Marcello Chiaberge

Semi-Supervised classification and segmentation methods have been widely investigated in medical image analysis. Both approaches can improve the performance of fully-supervised methods with additional unlabeled data. However, as a…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Hong-Yu Zhou , Chengdi Wang , Haofeng Li , Gang Wang , Shu Zhang , Weimin Li , Yizhou Yu

Disentangling pathological changes from physiological aging in 3D medical shapes is crucial for developing interpretable biomarkers and patient stratification. However, this separation is challenging when diagnosis labels are limited or…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Jakaria Rabbi , Nilanjan Ray , Dana Cobzas

Anomaly detection (AD) aims at detecting abnormal samples that deviate from the expected normal patterns. Generally, it can be trained merely on normal data, without a requirement for abnormal samples, and thereby plays an important role in…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Yu Cai , Weiwen Zhang , Hao Chen , Kwang-Ting Cheng

1. Parameter inference from distorted measurements is discussed. 2. Smeared measurements are unfolded without explicit regularization. The corresponding results are unbiased and permit to fit parameters and to apply quantitative…

数据分析、统计与概率 · 物理学 2016-07-26 Guenter Zech

Unsupervised anomaly detection is a critical task in many high-social-impact applications such as finance, healthcare, social media, and cybersecurity, where demographics involving age, gender, race, disease, etc, are used frequently. In…

机器学习 · 计算机科学 2025-05-19 Feng Xiao , Xiaoying Tang , Jicong Fan

Quantitative Susceptibility Mapping is a parametric imaging technique to estimate the magnetic susceptibilities of biological tissues from MRI phase measurements. This problem of estimating the susceptibility map is ill posed. Regularized…

图像与视频处理 · 电气工程与系统科学 2022-10-14 Arvind Balachandrasekaran , Davood Karimi , Camilo Jaimes , Ali Gholipour

Ultrasound images are widespread in medical diagnosis for muscle-skeletal, cardiac, and obstetrical diseases, due to the efficiency and non-invasiveness of the acquisition methodology. However, ultrasound acquisition introduces noise in the…

图像与视频处理 · 电气工程与系统科学 2025-06-24 Simone Cammarasana , Paolo Nicolardi , Giuseppe Patanè

The statistical properties of the density map (DM) approach to counting microbiological objects on images are studied in detail. The DM is given by U$^2$-Net. Two statistical methods for deep neural networks are utilized: the bootstrap and…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Krzysztof M. Graczyk , Jaroslaw Pawlowski , Sylwia Majchrowska , Tomasz Golan

We present a novel method for computing correspondences across 3D shapes using unsupervised learning. Our method computes a non-linear transformation of given descriptor functions, while optimizing for global structural properties of the…

图形学 · 计算机科学 2019-08-23 Jean-Michel Roufosse , Abhishek Sharma , Maks Ovsjanikov

Neural fields are receiving increased attention as a geometric representation due to their ability to compactly store detailed and smooth shapes and easily undergo topological changes. Compared to classic geometry representations, however,…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Arturs Berzins , Moritz Ibing , Leif Kobbelt

This paper introduces a new method to stylize 3D geometry. The key observation is that the surface normal is an effective instrument to capture different geometric styles. Centered around this observation, we cast stylization as a shape…

图形学 · 计算机科学 2021-07-13 Hsueh-Ti Derek Liu , Alec Jacobson

Robust and accurate detection and segmentation of heterogenous tumors appearing in different anatomical organs with supervised methods require large-scale labeled datasets covering all possible types of diseases. Due to the unavailability…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Mehdi Astaraki , Francesca De Benetti , Yousef Yeganeh , Iuliana Toma-Dasu , Örjan Smedby , Chunliang Wang , Nassir Navab , Thomas Wendler

Human pose estimation is a major computer vision problem with applications ranging from augmented reality and video capture to surveillance and movement tracking. In the medical context, the latter may be an important biomarker for…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Luca Schmidtke , Athanasios Vlontzos , Simon Ellershaw , Anna Lukens , Tomoki Arichi , Bernhard Kainz