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Optimization methods play a crucial role in modern machine learning, powering the remarkable empirical achievements of deep learning models. These successes are even more remarkable given the complex non-convex nature of the loss landscape…

机器学习 · 计算机科学 2024-10-28 Rustem Islamov , Niccolò Ajroldi , Antonio Orvieto , Aurelien Lucchi

Artificial intelligence (AI) systems power the world we live in. Deep neural networks (DNNs) are able to solve tasks in an ever-expanding landscape of scenarios, but our eagerness to apply these powerful models leads us to focus on their…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Loris Giulivi , Mark James Carman , Giacomo Boracchi

This paper presents a novel approach for deep visualization via a generative network, offering an improvement over existing methods. Our model simplifies the architecture by reducing the number of networks used, requiring only a generator…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Athanasios Karagounis

Linear perspective is widely used in landscape photography to create the impression of depth on a 2D photo. Automated understanding of linear perspective in landscape photography has several real-world applications, including aesthetics…

计算机视觉与模式识别 · 计算机科学 2017-05-16 Zihan Zhou , Farshid Farhat , James Z. Wang

Accurate quantification of uncertainty in neural network predictions remains a central challenge for scientific applications involving high-dimensional, correlated data. While existing methods capture either aleatoric or epistemic…

机器学习 · 计算机科学 2025-08-26 Harrison J. Goldwyn , Mitchell Krock , Johann Rudi , Daniel Getter , Julie Bessac

Aiming for higher-level scene understanding, this work presents a neural network approach that takes a road-layout map in bird's-eye-view as input, and predicts a human-interpretable graph that represents the road's topological layout. Our…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Chenyang Lu , Gijs Dubbelman

Loss landscapes are a powerful tool for understanding neural network optimization and generalization, yet traditional low-dimensional analyses often miss complex topological features. We present Landscaper, an open-source Python package for…

Recently, lane detection has made great progress with the rapid development of deep neural networks and autonomous driving. However, there exist three mainly problems including characterizing lanes, modeling the structural relationship…

计算机视觉与模式识别 · 计算机科学 2021-06-11 Jinming Su , Chao Chen , Ke Zhang , Junfeng Luo , Xiaoming Wei , Xiaolin Wei

Learning representations of neural network weights given a model zoo is an emerging and challenging area with many potential applications from model inspection, to neural architecture search or knowledge distillation. Recently, an…

机器学习 · 计算机科学 2022-07-25 Konstantin Schürholt , Boris Knyazev , Xavier Giró-i-Nieto , Damian Borth

Neural network quantization enables the deployment of large models on resource-constrained devices. Current post-training quantization methods fall short in terms of accuracy for INT4 (or lower) but provide reasonable accuracy for INT8 (or…

Dimensionality reduction is often used as an initial step in data exploration, either as preprocessing for classification or regression or for visualization. Most dimensionality reduction techniques to date are unsupervised; they do not…

机器学习 · 统计学 2020-06-17 Jake S. Rhodes , Adele Cutler , Guy Wolf , Kevin R. Moon

Across scientific domains, a fundamental challenge is to characterize and compute the mappings from underlying physical processes to observed signals and measurements. While nonlinear neural networks have achieved considerable success, they…

机器学习 · 计算机科学 2025-08-11 Alexander DeLise , Kyle Loh , Krish Patel , Meredith Teague , Andrea Arnold , Matthias Chung

One of the main challenges in modern deep learning is to understand why such over-parameterized models perform so well when trained on finite data. A way to analyze this generalization concept is through the properties of the associated…

机器学习 · 计算机科学 2023-07-11 Alison Pouplin , Hrittik Roy , Sidak Pal Singh , Georgios Arvanitidis

There is strong interest in developing mathematical methods that can be used to understand complex neural networks used in image analysis. In this paper, we introduce techniques from Linear Algebra to model neural network layers as maps…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Rebecca Pattichis , Marios S. Pattichis

This work investigates three methods for calculating loss for autoencoder-based pretraining of image encoders: The commonly used reconstruction loss, the more recently introduced deep perceptual similarity loss, and a feature prediction…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

We analyze the loss landscape and expressiveness of practical deep convolutional neural networks (CNNs) with shared weights and max pooling layers. We show that such CNNs produce linearly independent features at a "wide" layer which has…

机器学习 · 计算机科学 2018-06-07 Quynh Nguyen , Matthias Hein

Traditional landscape analysis of deep neural networks aims to show that no sub-optimal local minima exist in some appropriate sense. From this, one may be tempted to conclude that descent algorithms which escape saddle points will reach a…

机器学习 · 计算机科学 2020-01-01 Shiyu Liang , Ruoyu Sun , R. Srikant

This paper proposes an explicit way to optimize the super-resolution network for generating visually pleasing images. The previous approaches use several loss functions which is hard to interpret and has the implicit relationships to…

图像与视频处理 · 电气工程与系统科学 2020-09-02 Tomoki Yoshida , Kazutoshi Akita , Muhammad Haris , Norimichi Ukita

The use of neural networks for diagnosis classification is becoming more and more prevalent in the medical imaging community. However, deep learning method outputs remain hard to explain. Another difficulty is to choose among the large…

图像与视频处理 · 电气工程与系统科学 2020-02-11 Elina Thibeau Sutre , Olivier Colliot , Didier Dormont , Ninon Burgos

''Making black box models explainable'' is a vital problem that accompanies the development of deep learning networks. For networks taking visual information as input, one basic but challenging explanation method is to identify and…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Zhenqiang Li , Weimin Wang , Zuoyue Li , Yifei Huang , Yoichi Sato