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相关论文: Procrustes analysis for high-dimensional data

200 篇论文

The success of DNN pruning has led to the development of energy-efficient inference accelerators that support pruned models with sparse weight and activation tensors. Because the memory layouts and dataflows in these architectures are…

神经与进化计算 · 计算机科学 2020-09-24 Dingqing Yang , Amin Ghasemazar , Xiaowei Ren , Maximilian Golub , Guy Lemieux , Mieszko Lis

Inverse modeling for computing a high-dimensional spatially-varying property field from indirect sparse and noisy observations is a challenging problem. This is due to the complex physical system of interest often expressed in the form of…

计算物理 · 物理学 2021-02-22 Govinda Anantha Padmanabha , Nicholas Zabaras

Overparameterized models have proven to be powerful tools for solving various machine learning tasks. However, overparameterization often leads to a substantial increase in computational and memory costs, which in turn requires extensive…

机器学习 · 计算机科学 2024-03-13 Soo Min Kwon , Zekai Zhang , Dogyoon Song , Laura Balzano , Qing Qu

The function of biomolecules such as proteins depends on their ability to interconvert between a wide range of structures or "conformations." Researchers have endeavored for decades to develop computational methods to predict the…

生物大分子 · 定量生物学 2026-02-05 Daniel D. Richman , Jessica Karaguesian , Carl-Mikael Suomivuori , Ron O. Dror

In this paper we adopt the familiar sparse, high-dimensional linear regression model and focus on the important but often overlooked task of prediction. In particular, we consider a new empirical Bayes framework that incorporates data in…

统计理论 · 数学 2020-07-28 Ryan Martin , Yiqi Tang

Congruent Procrustes analysis aims to find the best matching between two point sets through rotation, reflection and translation. We formulate the Procrustes problem for hyperbolic spaces, review the canonical definition of the center of…

信号处理 · 电气工程与系统科学 2021-07-07 Puoya Tabaghi , Ivan Dokmanic

We present a variational reduced-order model for three-dimensional coplanar propagation of sharp cracks in heterogeneous perfectly brittle solids under mixed-mode I+II+III loading. The approach connects the variational fracture formulation…

材料科学 · 物理学 2026-05-14 Serafim Egorov , Antoine Sanner , Jean Sulem , Lars Pastewka , Mathias Lebihain

High-dimensional inference refers to problems of statistical estimation in which the ambient dimension of the data may be comparable to or possibly even larger than the sample size. We study an instance of high-dimensional inference in…

统计理论 · 数学 2009-12-31 Sahand Negahban , Martin J. Wainwright

Adding memory to pretrained language models typically requires architectural changes or weight modification. We present Prometheus Mind, which retrofits memory to a frozen Qwen3-4B using 11 modular adapters (530MB, 7% overhead) -- fully…

人工智能 · 计算机科学 2026-01-26 Mark Wind

Encoded representations from a pretrained deep learning model (e.g., BERT text embeddings, penultimate CNN layer activations of an image) convey a rich set of features beneficial for information retrieval. Embeddings for a particular…

机器学习 · 计算机科学 2023-04-24 Hyunjin Choi , Hyunjae Lee , Seongho Joe , Youngjune L. Gwon

In multiple scientific and technological applications we face the problem of having low dimensional data to be justified by a linear model defined in a high dimensional parameter space. The difference in dimensionality makes the problem…

其他计算机科学 · 计算机科学 2016-08-04 Jorge Fernandez-de-Cossio-Diaz , Roberto Mulet

Deep neural networks are powerful tools for solving nonlinear problems in science and engineering, but training highly accurate models becomes challenging as problem complexity increases. Non-convex optimization and sensitivity to…

机器学习 · 计算机科学 2026-04-20 Ethan Mulle , Wei Kang , Qi Gong

Many statistical $M$-estimators are based on convex optimization problems formed by the combination of a data-dependent loss function with a norm-based regularizer. We analyze the convergence rates of projected gradient and composite…

机器学习 · 统计学 2012-07-26 Alekh Agarwal , Sahand N. Negahban , Martin J. Wainwright

Deep recommender systems (DRS) often face challenges in balancing computational efficiency and model accuracy, especially when handling high-dimensional input features. Existing methods either focus on improving accuracy while neglecting…

信息检索 · 计算机科学 2026-05-08 Nghia Bui , Yue Ning , Lijing Wang

Pruning has emerged as a promising approach for compressing large-scale models, yet its effectiveness in recovering the sparsest of models has not yet been explored. We conducted an extensive series of 485,838 experiments, applying a range…

机器学习 · 计算机科学 2024-07-08 Stephen Zhang , Vardan Papyan

Finding the sparse representation of a signal in an overcomplete dictionary has attracted a lot of attention over the past years. This paper studies ProSparse, a new polynomial complexity algorithm that solves the sparse representation…

信息论 · 计算机科学 2017-07-11 Yue M. Lu , Jon Oñativia , Pier Luigi Dragotti

Fitting parametric models of human bodies, hands or faces to sparse input signals in an accurate, robust, and fast manner has the promise of significantly improving immersion in AR and VR scenarios. A common first step in systems that…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Vasileios Choutas , Federica Bogo , Jingjing Shen , Julien Valentin

To mitigate communication overheads in distributed model training, several studies propose the use of compressed stochastic gradients, usually achieved by sparsification or quantization. Such techniques achieve high compression ratios, but…

机器学习 · 计算机科学 2021-03-09 Hongyi Wang , Saurabh Agarwal , Dimitris Papailiopoulos

Recovering high-dimensional signals from corrupted measurements is a central challenge in inverse problems. Recent advances in generative diffusion models have shown remarkable empirical success in providing strong data-driven priors, but…

机器学习 · 计算机科学 2025-09-26 Oscar Leong , Yann Traonmilin

In this work, we propose the novel Prototypical Graph Regression Self-explainable Trees (ProGReST) model, which combines prototype learning, soft decision trees, and Graph Neural Networks. In contrast to other works, our model can be used…

定量方法 · 定量生物学 2022-12-29 Dawid Rymarczyk , Daniel Dobrowolski , Tomasz Danel