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Covariance estimation is ubiquitous in functional data analysis. Yet, the case of functional observations over multidimensional domains introduces computational and statistical challenges, rendering the standard methods effectively…

统计方法学 · 统计学 2022-11-02 Soham Sarkar , Victor M. Panaretos

When seeing a new object, humans can immediately recognize it across different retinal locations: the internal object representation is invariant to translation. It is commonly believed that Convolutional Neural Networks (CNNs) are…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Valerio Biscione , Jeffrey S. Bowers

In recent years, convolutional neural networks (CNNs) have shown great performance in various fields such as image classification, pattern recognition, and multi-media compression. Two of the feature properties, local connectivity and…

机器学习 · 计算机科学 2018-07-24 Qianru Zhang , Meng Zhang , Tinghuan Chen , Zhifei Sun , Yuzhe Ma , Bei Yu

Following the traditional paradigm of convolutional neural networks (CNNs), modern CNNs manage to keep pace with more recent, for example transformer-based, models by not only increasing model depth and width but also the kernel size. This…

计算机视觉与模式识别 · 计算机科学 2023-06-23 Paul Gavrikov , Janis Keuper

Convolutional Neural Networks (CNNs) have achieved comparable error rates to well-trained human on ILSVRC2014 image classification task. To achieve better performance, the complexity of CNNs is continually increasing with deeper and bigger…

计算机视觉与模式识别 · 计算机科学 2014-12-30 Wei Yu , Kuiyuan Yang , Yalong Bai , Hongxun Yao , Yong Rui

Quantum neural networks (QNNs) represent a pioneering intersection of quantum computing and deep learning. In this study, we unveil a fundamental convolution property inherent to QNNs, stemming from the natural parallelism of quantum gate…

量子物理 · 物理学 2025-04-14 Guangkai Qu , Zhimin Wang , Guoqiang Zhong , Yongjian Gu

The puzzle of computer vision might find new challenging solutions when we realize that most successful methods are working at image level, which is remarkably more difficult than processing directly visual streams. In this paper, we claim…

计算机视觉与模式识别 · 计算机科学 2018-01-23 Alessandro Betti , Marco Gori

In the past few years, convolutional neural nets (CNN) have shown incredible promise for learning visual representations. In this paper, we use CNNs for the task of predicting surface normals from a single image. But what is the right…

计算机视觉与模式识别 · 计算机科学 2014-11-19 Xiaolong Wang , David F. Fouhey , Abhinav Gupta

Convolutional Neural Networks (CNNs) are powerful models that achieve impressive results for image classification. In addition, pre-trained CNNs are also useful for other computer vision tasks as generic feature extractors. This paper aims…

计算机视觉与模式识别 · 计算机科学 2015-07-10 Ben Athiwaratkun , Keegan Kang

The usual figure of merit characterizing the performance of neural networks applied to problems in the quantum domain is their accuracy, being the probability of a correct answer on a previously unseen input. Here we append this parameter…

量子物理 · 物理学 2022-12-29 Jan Wasilewski , Tomasz Paterek , Karol Horodecki

The field of machine learning has taken a dramatic twist in recent times, with the rise of the Artificial Neural Network (ANN). These biologically inspired computational models are able to far exceed the performance of previous forms of…

神经与进化计算 · 计算机科学 2015-12-03 Keiron O'Shea , Ryan Nash

Comparing different neural network representations and determining how representations evolve over time remain challenging open questions in our understanding of the function of neural networks. Comparing representations in neural networks…

机器学习 · 统计学 2018-10-25 Ari S. Morcos , Maithra Raghu , Samy Bengio

The introduction of convolutional layers greatly advanced the performance of neural networks on image tasks due to innately capturing a way of encoding and learning translation-invariant operations, matching one of the underlying symmetries…

计算机视觉与模式识别 · 计算机科学 2016-12-15 Nicholas Guttenberg , Nathaniel Virgo , Olaf Witkowski , Hidetoshi Aoki , Ryota Kanai

Shape learning, or the ability to leverage shape information, could be a desirable property of convolutional neural networks (CNNs) when target objects have specific shapes. While some research on the topic is emerging, there is no…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yixin Zhang , Maciej A. Mazurowski

Vision tasks are characterized by the properties of locality and translation invariance. The superior performance of convolutional neural networks (CNNs) on these tasks is widely attributed to the inductive bias of locality and weight…

机器学习 · 计算机科学 2024-03-26 Aakash Lahoti , Stefani Karp , Ezra Winston , Aarti Singh , Yuanzhi Li

Deep Convolutional Neural Network (CNN) is a special type of Neural Networks, which has shown exemplary performance on several competitions related to Computer Vision and Image Processing. Some of the exciting application areas of CNN…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Asifullah Khan , Anabia Sohail , Umme Zahoora , Aqsa Saeed Qureshi

The translation equivariance of convolutional layers enables convolutional neural networks to generalize well on image problems. While translation equivariance provides a powerful inductive bias for images, we often additionally desire…

机器学习 · 统计学 2020-09-25 Marc Finzi , Samuel Stanton , Pavel Izmailov , Andrew Gordon Wilson

Currently there exists rather promising new trend in machine leaning (ML) based on the relationship between neural networks (NN) and Gaussian processes (GP), including many related subtopics, e.g., signal propagation in NNs, theoretical…

机器学习 · 计算机科学 2023-03-01 Andrey Demichev , Alexander Kryukov

Classically general covariance is found from the idea that a vector is a physical quantity which exists independently of choice of coordinate system and is unchanged by a change of coordinate system. It is often assumed that there exists…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Charles Francis

Spatial and intensity normalization are nowadays a prerequisite for neuroimaging analysis. Influenced by voxel-wise and other univariate comparisons, where these corrections are key, they are commonly applied to any type of analysis and…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Francisco J. Martinez-Murcia , Juan M. Górriz , Javier Ramírez , Andrés Ortiz