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Estimating confidence scores for recognition results is a classic task in ASR field and of vital importance for kinds of downstream tasks and training strategies. Previous end-to-end~(E2E) based confidence estimation models (CEM) predict…

声音 · 计算机科学 2023-05-26 Xian Shi , Haoneng Luo , Zhifu Gao , Shiliang Zhang , Zhijie Yan

Estimating causal effects from observational data is inherently challenging due to the lack of observable counterfactual outcomes and even the presence of unmeasured confounding. Traditional methods often rely on restrictive, untestable…

统计方法学 · 统计学 2025-04-07 Li Chen , Xiaotong Shen , Wei Pan

Treatment non-compliance, where individuals deviate from their assigned experimental conditions, frequently complicates the estimation of causal effects. To address this, we introduce a novel learning framework based on a mixture of experts…

统计方法学 · 统计学 2025-06-25 François Grolleau , Céline Béji , Raphaël Porcher , François Petit

We propose the Wasserstein Auto-Encoder (WAE)---a new algorithm for building a generative model of the data distribution. WAE minimizes a penalized form of the Wasserstein distance between the model distribution and the target distribution,…

机器学习 · 统计学 2019-12-06 Ilya Tolstikhin , Olivier Bousquet , Sylvain Gelly , Bernhard Schoelkopf

Because of predicting all the target tokens in parallel, the non-autoregressive models greatly improve the decoding efficiency of speech recognition compared with traditional autoregressive models. In this work, we present dynamic alignment…

声音 · 计算机科学 2023-03-15 Xulong Zhang , Haobin Tang , Jianzong Wang , Ning Cheng , Jian Luo , Jing Xiao

Establishing cause-effect relationships from observational data often relies on untestable assumptions. It is crucial to know whether, and to what extent, the conclusions drawn from non-experimental studies are robust to potential…

Channel charting (CC) has been proposed recently to enable logical positioning of user equipments (UEs) in the neighborhood of a multi-antenna base-station solely from channel-state information (CSI). CC relies on dimensionality reduction…

信号处理 · 电气工程与系统科学 2019-08-09 Pengzhi Huang , Oscar Castañeda , Emre Gönültaş , Saïd Medjkouh , Olav Tirkkonen , Tom Goldstein , Christoph Studer

Controlled Direct Effect (CDE) is one of the causal estimands used to evaluate both exposure and mediation effects on an outcome. When there are unmeasured confounders existing between the mediator and the outcome, the ordinary…

统计方法学 · 统计学 2024-10-30 Shunichiro Orihara , Shinpei Imori , Kosuke Morikawa , Atsushi Goto , Masataka Taguri

The main goal of machine condition monitoring is, as the name implies, to monitor the condition of industrial applications. The objective of this monitoring can be mainly split into two problems. A diagnostic problem, where normal data…

机器学习 · 计算机科学 2024-09-19 Maarten Meire , Quinten Van Baelen , Ted Ooijevaar , Peter Karsmakers

If error distribution has heteroscedasticity, it voliates the assumption of linear regression. Expectile regression is a powerful tool for estimating the conditional expectiles of a response variable in this setting. Since multiple levels…

统计方法学 · 统计学 2022-08-03 Jinghang Lin , Yuan Huang , Shuangge Ma

Discrimination measures such as the concordance index and the cumulative-dynamic time-dependent area under the ROC-curve (AUC) are widely used in the medical literature for evaluating the predictive accuracy of a scoring rule which relates…

统计方法学 · 统计学 2025-08-12 Marie Skov Breum , Torben Martinussen

Although cognitive engagement (CE) is crucial for motor learning, it remains underutilized in rehabilitation robots, partly because its assessment currently relies on subjective and gross measurements taken intermittently. Here, we propose…

机器人学 · 计算机科学 2020-02-20 Neelesh Kumar , Konstantinos P. Michmizos

Adversarial detection aims to determine whether a given sample is an adversarial one based on the discrepancy between natural and adversarial distributions. Unfortunately, estimating or comparing two data distributions is extremely…

机器学习 · 计算机科学 2023-05-26 Shuhai Zhang , Feng Liu , Jiahao Yang , Yifan Yang , Changsheng Li , Bo Han , Mingkui Tan

Non-adversarial generative models such as variational auto-encoder (VAE), Wasserstein auto-encoders with maximum mean discrepancy (WAE-MMD), sliced-Wasserstein auto-encoder (SWAE) are relatively easy to train and have less mode collapse…

机器学习 · 统计学 2021-03-05 Kuo Gai , Shihua Zhang

The object sizes in images are diverse, therefore, capturing multiple scale context information is essential for semantic segmentation. Existing context aggregation methods such as pyramid pooling module (PPM) and atrous spatial pyramid…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Congcong Wang , Faouzi Alaya Cheikh , Azeddine Beghdadi , Ole Jakob Elle

In this study, an image-assisted Approximate Bayesian Computation (ABC) parameter inverse method is proposed to identify the design parameters. In the proposed method, the images are mapped to a low-dimensional latent space by Variational…

图像与视频处理 · 电气工程与系统科学 2019-07-09 Jiaquan Wang , Yang Zeng , Xinchao Jiang , Hu Wang , Enying Li , Guangyao Li

In this paper a robust algorithm for DOA estimation of coherent sources in presence of antenna array imperfections is presented. We exploit the current advances of deep learning to overcome two of the most common problems facing the state…

信号处理 · 电气工程与系统科学 2020-05-07 Aya Mostafa Ahmed , Omar Eissa , Aydin Sezgin

Purpose: Human-machine collaboration is a promising strategy to improve hazard inspection. However, research on the effective integration of opinions from humans with machines for optimal group decision making is lacking. Hence, considering…

人机交互 · 计算机科学 2023-12-11 Xiaoshan Zhou , Pin-Chao Liao

Surface integral equation (SIE) methods are of great interest for the numerical solution of Maxwell's equations in the presence of homogeneous objects. However, existing SIE algorithms have limitations, either in terms of scalability,…

计算物理 · 物理学 2021-06-14 Shashwat Sharma , Piero Triverio

We consider the identification of heterogeneous linear elastic moduli in the context of time-harmonic elastodynamics. This inverse problem is formulated as the minimization of the modified error in constitutive equation (MECE), an…

偏微分方程分析 · 数学 2018-12-11 Wilkins Aquino , Marc Bonnet
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