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相关论文: MI image registration using prior knowledge

200 篇论文

Multi-modality (or multi-channel) imaging is becoming increasingly important and more widely available, e.g. hyperspectral imaging in remote sensing, spectral CT in material sciences as well as multi-contrast MRI and PET-MR in medicine.…

图像与视频处理 · 电气工程与系统科学 2020-12-25 Leon Bungert , Matthias J. Ehrhardt

Mutual Information (MI) is often used for feature selection when developing classifier models. Estimating the MI for a subset of features is often intractable. We demonstrate, that under the assumptions of conditional independence, MI…

机器学习 · 计算机科学 2017-06-26 Hemanth Venkateswara , Prasanth Lade , Binbin Lin , Jieping Ye , Sethuraman Panchanathan

Image registration has traditionally been done using two distinct approaches: learning based methods, relying on robust deep neural networks, and optimization-based methods, applying complex mathematical transformations to warp images…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Gabriel De Araujo , Shanlin Sun , Xiaohui Xie

Deep learning systems have been reported to acheive state-of-the-art performances in many applications, and one of the keys for achieving this is the existence of well trained classifiers on benchmark datasets which can be used as backbone…

机器学习 · 计算机科学 2022-10-04 Jirong Yi , Qiaosheng Zhang , Zhen Chen , Qiao Liu , Wei Shao

Variational approaches based on neural networks are showing promise for estimating mutual information (MI) between high dimensional variables. However, they can be difficult to use in practice due to poorly understood bias/variance…

机器学习 · 计算机科学 2020-03-25 Jiaming Song , Stefano Ermon

In this article, we discuss the problem of establishing relations between information measures assessed for network structures. Two types of entropy based measures namely, the Shannon entropy and its generalization, the R\'{e}nyi entropy…

信息论 · 计算机科学 2013-01-24 Lavanya Sivakumar , Matthias Dehmer

Shannon entropy is the most crucial foundation of Information Theory, which has been proven to be effective in many fields such as communications. Renyi entropy and Chernoff information are other two popular measures of information with…

信息论 · 计算机科学 2017-01-13 Shanyun Liu , Rui She , Jiaxun Lu , Pingyi Fan

Pruning has emerged as the primary approach used to limit the resource requirements of large neural networks (NNs). Since the proposal of the lottery ticket hypothesis, researchers have focused either on pruning at initialization or after…

机器学习 · 计算机科学 2025-02-04 Charles Westphal , Stephen Hailes , Mirco Musolesi

Clustering is a concept used in a huge variety of applications. We review a conceptually very simple algorithm for hierarchical clustering called in the following the {\it mutual information clustering} (MIC) algorithm. It uses mutual…

定量方法 · 定量生物学 2008-09-10 Alexander Kraskov , Peter Grassberger

We present a mutual information-based framework for unsupervised image-to-image translation. Our MCMI approach treats single-cycle image translation models as modules that can be used recurrently in a multi-cycle translation setting where…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Xiang Xu , Megha Nawhal , Greg Mori , Manolis Savva

In the field of medical image analysis, image registration is a crucial technique. Despite the numerous registration models that have been proposed, existing methods still fall short in terms of accuracy and interpretability. In this paper,…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Jiaofen Nan , Gaodeng Fan , Kaifan Zhang , Chen Zhao , Fubao Zhu , Weihua Zhou

Relational data augmentation is a powerful technique for enhancing data analytics and improving machine learning models by incorporating columns from external datasets. However, it is challenging to efficiently discover relevant external…

数据库 · 计算机科学 2025-03-06 Aécio Santos , Flip Korn , Juliana Freire

There has been much progress in data-driven artificial intelligence technology for medical image analysis in the last decades. However, it still remains challenging due to its distinctive complexity of acquiring and annotating image data,…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Chao Gou , Tianyu Shen , Wenbo Zheng , Huadan Xue , Hui Yu , Qiang Ji , Zhengyu Jin , Fei-Yue Wang

Normalized mutual information is widely used as a similarity measure for evaluating the performance of clustering and classification algorithms. In this paper, we argue that results returned by the normalized mutual information are biased…

社会与信息网络 · 计算机科学 2025-12-23 Maximilian Jerdee , Alec Kirkley , M. E. J. Newman

Information theoretical measures, such as entropy, mutual information, and various divergences, exhibit robust characteristics in image registration applications. However, the estimation of these quantities is computationally intensive in…

信息论 · 计算机科学 2012-10-03 Zoltan Szabo , Andras Lorincz

Information theoretic measures have helped to sharpen our understanding of many-body quantum states. As perhaps the most well-known example, the entanglement entropy (or more generally, the bipartite mutual information) has become a…

量子物理 · 物理学 2024-02-22 Andrea Pizzi , Norman Y. Yao

The data for many classification problems, such as pattern and speech recognition, follow mixture distributions. To quantify the optimum performance for classification tasks, the Shannon mutual information is a natural information-theoretic…

信号处理 · 电气工程与系统科学 2022-06-22 Yijun Ding , Amit Ashok

In this work we present a new method for the estimation of Mutual Information (MI) between random variables. Our approach is based on an original interpretation of the Girsanov theorem, which allows us to use score-based diffusion models to…

机器学习 · 计算机科学 2024-05-16 Giulio Franzese , Mustapha Bounoua , Pietro Michiardi

Mutual information (MI) is a promising candidate measure for the assessment and optimization of localization systems, as it captures nonlinear dependencies between random variables. However, the high cost of computing MI, especially for…

信号处理 · 电气工程与系统科学 2025-11-04 Sven Hinderer , Manuel Buchfink , Bin Yang

Rectified Flow (RF) models trained with a Flow matching framework have achieved state-of-the-art performance on Text-to-Image (T2I) conditional generation. Yet, multiple benchmarks show that synthetic images can still suffer from poor…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Chao Wang , Giulio Franzese , Alessandro Finamore , Pietro Michiardi