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Neural architecture search has attracted wide attentions in both academia and industry. To accelerate it, researchers proposed weight-sharing methods which first train a super-network to reuse computation among different operators, from…

机器学习 · 计算机科学 2020-12-16 Xin Chen , Lingxi Xie , Jun Wu , Longhui Wei , Yuhui Xu , Qi Tian

RANSAC is an important algorithm in robust optimization and a central building block for many computer vision applications. In recent years, traditionally hand-crafted pipelines have been replaced by deep learning pipelines, which can be…

计算机视觉与模式识别 · 计算机科学 2018-03-22 Eric Brachmann , Alexander Krull , Sebastian Nowozin , Jamie Shotton , Frank Michel , Stefan Gumhold , Carsten Rother

Importance sampling (IS) is a powerful Monte Carlo methodology for the approximation of intractable integrals, very often involving a target probability density function. The performance of IS heavily depends on the appropriate selection of…

统计计算 · 统计学 2023-06-22 Víctor Elvira , Emilie Chouzenoux , Ömer Deniz Akyildiz , Luca Martino

The MC$^3$ (Madigan and York, 1995) and Gibbs (George and McCulloch, 1997) samplers are the most widely implemented algorithms for Bayesian Model Averaging (BMA) in linear regression models. These samplers draw a variable at random in each…

统计计算 · 统计学 2013-06-26 Demetris Lamnisos , Jim E. Griffin , Mark F. J. Steel

Neural Architecture Search (NAS) has emerged as a promising technique for automatic neural network design. However, existing MCTS based NAS approaches often utilize manually designed action space, which is not directly related to the…

机器学习 · 计算机科学 2021-04-02 Linnan Wang , Saining Xie , Teng Li , Rodrigo Fonseca , Yuandong Tian

Critical aspects of computational imaging systems, such as experimental design and image priors, can be optimized through deep networks formed by the unrolled iterations of classical model-based reconstructions (termed physics-based…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Michael Kellman , Kevin Zhang , Jon Tamir , Emrah Bostan , Michael Lustig , Laura Waller

Metric learning seeks perceptual embeddings where visually similar instances are close and dissimilar instances are apart, but learned representations can be sub-optimal when the distribution of intra-class samples is diverse and distinct…

机器学习 · 计算机科学 2021-08-30 Elad Levi , Tete Xiao , Xiaolong Wang , Trevor Darrell

Deep learning has become the mainstream methodological choice for analyzing and interpreting whole-slide digital pathology images (WSIs). It is commonly assumed that tumor regions carry most predictive information. In this paper, we…

定量方法 · 定量生物学 2022-04-26 Zihan Chen , Xingyu Li , Miaomiao Yang , Hong Zhang , Xu Steven Xu

This paper presents an advancement to an approach for model-independent surrogate-based optimization with adaptive batch sampling, known as Adaptive Model Refinement (AMR). While the original AMR method provides unique decisions with…

最优化与控制 · 数学 2019-06-04 Payam Ghassemi , Sumeet Sanjay Lulekar , Souma Chowdhury

Subsampling algorithms for various parametric regression models with massive data have been extensively investigated in recent years. However, all existing studies on subsampling heavily rely on clean massive data. In practical…

统计理论 · 数学 2025-06-11 Jiangshan Ju , Mingqiu Wang , Shengli Zhao

We aim at segmenting small organs (e.g., the pancreas) from abdominal CT scans. As the target often occupies a relatively small region in the input image, deep neural networks can be easily confused by the complex and variable background.…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Qihang Yu , Lingxi Xie , Yan Wang , Yuyin Zhou , Elliot K. Fishman , Alan L. Yuille

Capturing the global topology of an image is essential for proposing an accurate segmentation of its domain. However, most of existing segmentation methods do not preserve the initial topology of the given input, which is detrimental for…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Minh On Vu Ngoc , Yizi Chen , Nicolas Boutry , Jonathan Fabrizio , Clement Mallet

The histopathological analysis of whole-slide images (WSIs) is fundamental to cancer diagnosis but is a time-consuming and expert-driven process. While deep learning methods show promising results, dominant patch-based methods artificially…

图像与视频处理 · 电气工程与系统科学 2025-10-08 Alexander Weers , Alexander H. Berger , Laurin Lux , Peter Schüffler , Daniel Rueckert , Johannes C. Paetzold

Variational method and deep learning method are two mainstream powerful approaches to solve inverse problems in computer vision. To take advantages of advanced optimization algorithms and powerful representation ability of deep neural…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Qingchao Zhang , Yunmei Chen

In the realm of statistical learning, the increasing volume of accessible data and increasing model complexity necessitate robust methodologies. This paper explores two branches of robust Bayesian methods in response to this trend. The…

统计方法学 · 统计学 2024-12-02 Masahiro Tanaka

Current deep learning-based manifold learning algorithms such as the variational autoencoder (VAE) require fully sampled data to learn the probability density of real-world datasets. Once learned, the density can be used for a variety of…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Qing Zou , Abdul Haseeb Ahmed , Prashant Nagpal , Sarv Priya , Rolf Schulte , Mathews Jacob

Nonlinear manifold learning from unorganized data points is a very challenging unsupervised learning and data visualization problem with a great variety of applications. In this paper we present a new algorithm for manifold learning and…

机器学习 · 计算机科学 2016-08-31 Zhenyue Zhang , Hongyuan Zha

Coordinate descent methods employ random partial updates of decision variables in order to solve huge-scale convex optimization problems. In this work, we introduce new adaptive rules for the random selection of their updates. By adaptive,…

机器学习 · 计算机科学 2017-03-08 Dmytro Perekrestenko , Volkan Cevher , Martin Jaggi

We propose a simple algorithm to train stochastic neural networks to draw samples from given target distributions for probabilistic inference. Our method is based on iteratively adjusting the neural network parameters so that the output…

机器学习 · 统计学 2016-11-29 Dilin Wang , Qiang Liu

Computer vision tasks are difficult because of the large variability in the data that is induced by changes in light, background, partial occlusion as well as the varying pose, texture, and shape of objects. Generative approaches to…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Adam Kortylewski , Mario Wieser , Andreas Morel-Forster , Aleksander Wieczorek , Sonali Parbhoo , Volker Roth , Thomas Vetter