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Safety and reliability are critical for deploying visual question answering (VQA) systems in surgery, where incorrect or ambiguous responses can cause patient harm. A key limitation of existing uncertainty estimation methods, such as…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Luca Carlini , Dennis Pierantozzi , Mauro Orazio Drago , Chiara Lena , Cesare Hassan , Elena De Momi , Danail Stoyanov , Sophia Bano , Mobarak I. Hoque

This research paper delves into the innovative integration of Shannon entropy and rough set theory, presenting a novel approach to generalize the evaluation approach in machine learning. The conventional application of entropy, primarily…

机器学习 · 计算机科学 2024-04-22 Olga Cherednichenko , Dmytro Chernyshov , Dmytro Sytnikov , Polina Sytnikova

Accurate heterogeneous treatment effect (HTE) estimation is essential for personalized recommendations, making it important to evaluate and compare HTE estimators. Traditional assessment methods are inapplicable due to missing…

统计方法学 · 统计学 2024-12-30 Zijun Gao

Quantum Renyi relative entropies provide a one-parameter family of distances between density matrices, which generalizes the relative entropy and the fidelity. We study these measures for renormalization group flows in quantum field theory.…

高能物理 - 理论 · 物理学 2018-10-17 Horacio Casini , Raimel Medina , Ignacio Salazar , Gonzalo Torroba

The Renyi entropy plays an essential role in quantum information theory. We study the continuity estimation of the Renyi entropy. An inequality relating the Renyi entropy difference of two quantum states to their trace norm distance is…

量子物理 · 物理学 2017-01-11 Zhihua Chen , Zhihao Ma , Ismail Nikoufar , Shaoming Fei

There are no universally accepted definitions of R\'enyi conditional entropy and R\'enyi mutual information, although motivated by different applications, several definitions have been proposed in the literature. In this paper, we consider…

信息论 · 计算机科学 2025-11-05 Shi-Bing Li , Ke Li , Lei Yu

Information theoretic quantities are extremely useful in discovering relationships between two or more data sets. One popular method---particularly for continuous systems---for estimating these quantities is the nearest neighbour…

统计计算 · 统计学 2017-10-19 Joshua Brown , Terry Bossomaier , Lionel Barnett

In [1] it is shown that recurrent neural networks (RNNs) can learn - in a metric entropy optimal manner - discrete time, linear time-invariant (LTI) systems. This is effected by comparing the number of bits needed to encode the…

动力系统 · 数学 2022-11-29 Clemens Hutter , Thomas Allard , Helmut Bölcskei

Lately, a New Transmuted Logistic-exponential (NTLE) distribution was introduced and studied as an extension of the Logistic-Exponential Distribution (LED) with wider applicability in lifetime modelling. However, the maximum likelihood…

统计方法学 · 统计学 2026-03-19 Isqeel Ogunsola , Abosede Akintunde , Kehinde Yusuff , Basirat Adetona , Faheez Abdulrasaq

Entropy estimation plays a significant role in biology, economics, physics, communication engineering and other disciplines. It is increasingly used in software engineering, e.g. in software confidentiality, software testing, predictive…

信息论 · 计算机科学 2025-01-22 Ilaria Pia la Torre , David A. Kelly , Hector D. Menendez , David Clark

In the estimation theory context, we generalize the notion of Shannon's entropy power to the R\'{e}nyi-entropy setting. This not only allows to find new estimation inequalities, such as the R\'{e}nyi-entropy based De Bruijn identity,…

量子物理 · 物理学 2021-04-07 Petr Jizba , Jacob Dunningham , Martin Prokš

The Relative Transfer Matrix (ReTM), recently introduced as a generalization of the relative transfer function for multiple receivers and sources, shows promising performance when applied to speech enhancement and speaker separation in…

音频与语音处理 · 电气工程与系统科学 2025-10-23 Wageesha N. Manamperi , Thushara D. Abhayapala

We calculate and analyze various entropy measures and their properties for selected probability distributions. The entropies considered include Shannon, R\'enyi, generalized R\'enyi, Tsallis, Sharma-Mittal, and modified Shannon entropy,…

信息论 · 计算机科学 2024-11-26 Iryna Bodnarchuk , Yuliya Mishura , Kostiantyn Ralchenko

In this paper, I expand Shannon's definition of entropy into a new form of entropy that allows integration of information from different random events. Shannon's notion of entropy is a special case of my more general definition of entropy.…

机器学习 · 计算机科学 2008-11-04 Stefan Jaeger

Quantum information quantifiers are indispensable tools for analyzing strongly correlated systems. Consequently, developing efficient and robust numerical methods for their computation is crucial. We propose a general procedure based on the…

量子物理 · 物理学 2025-04-07 Sven Benjamin Kožić , Gianpaolo Torre

We show how entanglement entropies allow for the estimation of quasi-long-range order in one dimensional systems whose low-energy physics is well captured by the Tomonaga-Luttinger liquid universality class. First, we check our procedure in…

强关联电子 · 物理学 2015-03-19 M. Dalmonte , E. Ercolessi , L. Taddia

We present efficient and practical protocols to measure the second R\'enyi entropy (RE), whose exponential is known as the purity. We achieve this by establishing a direct connection to a Loschmidt echo (LE) type measurement sequence,…

量子物理 · 物理学 2026-02-12 Yi-Neng Zhou , Robin Löwenberg , Julian Sonner

Many of the traditional results in information theory, such as the channel coding theorem or the source coding theorem, are restricted to scenarios where the underlying resources are independent and identically distributed (i.i.d.) over a…

量子物理 · 物理学 2009-06-28 Nilanjana Datta , Renato Renner

In this paper we examine the average R\'{e}nyi entropy $S_{\alpha}$ of a subsystem $A$ when the whole composite system $AB$ is a random pure state. We assume that the Hilbert space dimensions of $A$ and $AB$ are $m$ and $m n$ respectively.…

量子物理 · 物理学 2024-04-23 MuSeong Kim , Mi-Ra Hwang , Eylee Jung , DaeKil Park

We conclude a sequence of work by giving near-optimal sketching and streaming algorithms for estimating Shannon entropy in the most general streaming model, with arbitrary insertions and deletions. This improves on prior results that obtain…

数据结构与算法 · 计算机科学 2008-12-18 Nicholas J. A. Harvey , Jelani Nelson , Krzysztof Onak