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Recent efforts to understand intermediate representations in deep neural networks have commonly attempted to label individual neurons and combinations of neurons that make up linear directions in the latent space by examining extremal…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Laura O'Mahony , Nikola S. Nikolov , David JP O'Sullivan

Deep learning models for medical data are typically trained using task specific objectives that encourage representations to collapse onto a small number of discriminative directions. While effective for individual prediction problems, this…

机器学习 · 计算机科学 2026-02-10 Yuanyun Zhang , Mingxuan Zhang , Siyuan Li , Zihan Wang , Haoran Chen , Wenbo Zhou , Shi Li

Deep Neural Networks (DNNs) demonstrate remarkable capabilities in learning complex hierarchical data representations, but the nature of these representations remains largely unknown. Existing global explainability methods, such as Network…

机器学习 · 计算机科学 2024-01-19 Kirill Bykov , Laura Kopf , Shinichi Nakajima , Marius Kloft , Marina M. -C. Höhne

Deep Neural Networks are known to be brittle to even minor distribution shifts compared to the training distribution. While one line of work has demonstrated that Simplicity Bias (SB) of DNNs - bias towards learning only the simplest…

机器学习 · 计算机科学 2022-10-05 Sravanti Addepalli , Anshul Nasery , R. Venkatesh Babu , Praneeth Netrapalli , Prateek Jain

Modern deep neural networks are powerful and widely applicable models that extract task-relevant information through multi-level abstraction. Their cross-domain success, however, is often achieved at the expense of computational cost, high…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Wenhan Xia , Hongxu Yin , Xiaoliang Dai , Niraj K. Jha

Convolutional networks for image classification progressively reduce resolution until the image is represented by tiny feature maps in which the spatial structure of the scene is no longer discernible. Such loss of spatial acuity can limit…

计算机视觉与模式识别 · 计算机科学 2017-05-30 Fisher Yu , Vladlen Koltun , Thomas Funkhouser

Intermediate features at different layers of a deep neural network are known to be discriminative for visual patterns of different complexities. However, most existing works ignore such cross-layer heterogeneities when classifying samples…

计算机视觉与模式识别 · 计算机科学 2016-07-20 Xiaojie Jin , Yunpeng Chen , Jian Dong , Jiashi Feng , Shuicheng Yan

LiDAR based place recognition is popular for loop closure detection and re-localization. In recent years, deep learning brings improvements to place recognition by learnable feature extraction. However, these methods degenerate when the…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Sha Lu , Xuecheng Xu , Li Tang , Rong Xiong , Yue Wang

Image representations, from SIFT and bag of visual words to Convolutional Neural Networks (CNNs) are a crucial component of almost all computer vision systems. However, our understanding of them remains limited. In this paper we study…

计算机视觉与模式识别 · 计算机科学 2016-05-24 Aravindh Mahendran , Andrea Vedaldi

Implicit neural representation (INR) characterizes the attributes of a signal as a function of corresponding coordinates which emerges as a sharp weapon for solving inverse problems. However, the capacity of INR is limited by the spectral…

图像与视频处理 · 电气工程与系统科学 2022-11-16 Shaowen Xie , Hao Zhu , Zhen Liu , Qi Zhang , You Zhou , Xun Cao , Zhan Ma

Deep neural networks are a powerful tool for feature learning and extraction given their ability to model high-level abstractions in highly complex data. One area worth exploring in feature learning and extraction using deep neural networks…

机器学习 · 计算机科学 2015-12-15 Mohammad Javad Shafiee , Parthipan Siva , Paul Fieguth , Alexander Wong

Deep Neural Networks (DNNs) are generated by sequentially performing linear and non-linear processes. Using a combination of linear and non-linear procedures is critical for generating a sufficiently deep feature space. The majority of…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Yufei Hu , Nacim Belkhir , Jesus Angulo , Angela Yao , Gianni Franchi

Operator regression provides a powerful means of constructing discretization-invariant emulators for partial-differential equations (PDEs) describing physical systems. Neural operators specifically employ deep neural networks to approximate…

机器学习 · 计算机科学 2023-04-18 Katiana Kontolati , Somdatta Goswami , George Em Karniadakis , Michael D. Shields

Implicit neural representations (INRs) mark a fundamental shift in signal modeling, moving from discrete sampled data to continuous functional representations. By parameterizing signals as neural networks, INRs provide a unified framework…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Dhananjaya Jayasundara , Vishal M. Patel

Many material response functions depend strongly on microstructure, such as inhomogeneities in phase or orientation. Homogenization presents the task of predicting the mean response of a sample of the microstructure to external loading for…

机器学习 · 计算机科学 2022-10-04 Reese Jones , Cosmin Safta , Ari Frankel

Background: Deep learning (DL)-based head and neck lymph node level (HN_LNL) autodelineation is of high relevance to radiotherapy research and clinical treatment planning but still underinvestigated in academic literature. Methods: An…

Low-dose CT denoising is a challenging task that has been studied by many researchers. Some studies have used deep neural networks to improve the quality of low-dose CT images and achieved fruitful results. In this paper, we propose a deep…

图像与视频处理 · 电气工程与系统科学 2019-02-28 Maryam Gholizadeh-Ansari , Javad Alirezaie , Paul Babyn

This paper introduces a novel feature detector based only on information embedded inside a CNN trained on standard tasks (e.g. classification). While previous works already show that the features of a trained CNN are suitable descriptors,…

计算机视觉与模式识别 · 计算机科学 2019-07-09 Assia Benbihi , Matthieu Geist , Cédric Pradalier

The Strong Lottery Ticket Hypothesis (SLTH) stipulates the existence of a subnetwork within a sufficiently overparameterized (dense) neural network that -- when initialized randomly and without any training -- achieves the accuracy of a…

机器学习 · 计算机科学 2023-02-17 Damien Ferbach , Christos Tsirigotis , Gauthier Gidel , Avishek , Bose

Standard deep neural networks (DNNs) are commonly trained in an end-to-end fashion for specific tasks such as object recognition, face identification, or character recognition, among many examples. This specificity often leads to…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Raphaël Achddou , J. Matias di Martino , Guillermo Sapiro