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While it is commonly observed in practice that pruning networks to a certain level of sparsity can improve the quality of the features, a theoretical explanation of this phenomenon remains elusive. In this work, we investigate this by…

机器学习 · 统计学 2024-06-14 Nuri Mert Vural , Murat A. Erdogdu

We develop a new model and algorithms for machine learning-based learning analytics, which estimate a learner's knowledge of the concepts underlying a domain, and content analytics, which estimate the relationships among a collection of…

机器学习 · 统计学 2015-01-20 Andrew S. Lan , Andrew E. Waters , Christoph Studer , Richard G. Baraniuk

Deep learning approaches process data in a layer-by-layer way with intermediate (or latent) features. We aim at designing a general solution to optimize the latent manifolds to improve the performance on classification, segmentation,…

机器学习 · 计算机科学 2025-06-03 Yida Wang , David Joseph Tan , Nassir Navab , Federico Tombari

There has been an intense development on the estimation of a sparse regression coefficient vector in statistics, machine learning and related fields. In this paper, we focus on the Bayesian approach to this problem, where sparsity is…

统计计算 · 统计学 2016-02-25 Xichen Huang , Jin Wang , Feng Liang

This paper explores semi-supervised training for sequence tasks, such as Optical Character Recognition or Automatic Speech Recognition. We propose a novel loss function $\unicode{x2013}$ SoftCTC $\unicode{x2013}$ which is an extension of…

机器学习 · 计算机科学 2023-09-20 Martin Kišš , Michal Hradiš , Karel Beneš , Petr Buchal , Michal Kula

Sparse Autoencoders (SAEs) have emerged as a powerful unsupervised method for extracting sparse representations from language models, yet scalable training remains a significant challenge. We introduce a suite of 256 SAEs, trained on each…

Semi-supervised learning plays an important role in large-scale machine learning. Properly using additional unlabeled data (largely available nowadays) often can improve the machine learning accuracy. However, if the machine learning model…

机器学习 · 计算机科学 2017-05-02 Zhaocai Sun , William K. Cheung , Xiaofeng Zhang , Jun Yang

Distributed statistical learning has become a popular technique for large-scale data analysis. Most existing work in this area focuses on dividing the observations, but we propose a new algorithm, DDAC-SpAM, which divides the features under…

机器学习 · 计算机科学 2023-07-11 Yifan He , Ruiyang Wu , Yong Zhou , Yang Feng

Unsupervised feature learning methods have proven effective for classification tasks based on a single modality. We present multimodal sparse coding for learning feature representations shared across multiple modalities. The shared…

机器学习 · 计算机科学 2016-05-18 Youngjune Gwon , William Campbell , Kevin Brady , Douglas Sturim , Miriam Cha , H. T. Kung

Retrieval over large codebases is a key component of modern LLM-based software engineering systems. Existing approaches predominantly rely on dense embedding models, while learned sparse retrieval (LSR) remains largely unexplored for code.…

信息检索 · 计算机科学 2026-03-24 Simon Lupart , Maxime Louis , Thibault Formal , Hervé Déjean , Stéphane Clinchant

This paper introduces an efficient and robust method for discovering interpretable circuits in large language models using discrete sparse autoencoders. Our approach addresses key limitations of existing techniques, namely computational…

计算与语言 · 计算机科学 2024-05-22 Charles O'Neill , Thang Bui

Tackling pattern recognition problems in areas such as computer vision, bioinformatics, speech or text recognition is often done best by taking into account task-specific statistical relations between output variables. In structured…

机器学习 · 统计学 2016-03-14 Rein Houthooft , Filip De Turck

Three-factor learning rules in Spiking Neural Networks (SNNs) have emerged as a crucial extension to traditional Hebbian learning and Spike-Timing-Dependent Plasticity (STDP), incorporating neuromodulatory signals to improve adaptation and…

神经与进化计算 · 计算机科学 2025-04-28 Szymon Mazurek , Jakub Caputa , Jan K. Argasiński , Maciej Wielgosz

Consistency learning plays a crucial role in semi-supervised medical image segmentation as it enables the effective utilization of limited annotated data while leveraging the abundance of unannotated data. The effectiveness and efficiency…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Zhenxi Zhang , Ran Ran , Chunna Tian , Heng Zhou , Xin Li , Fan Yang , Zhicheng Jiao

Vision foundation models (FMs) achieve state-of-the-art performance in medical imaging. However, they encode information in abstract latent representations that clinicians cannot interrogate or verify. The goal of this study is to…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Philipp Wesp , Robbie Holland , Vasiliki Sideri-Lampretsa , Sergios Gatidis

We describe a method for fast approximation of sparse coding. The input space is subdivided by a binary decision tree, and we simultaneously learn a dictionary and assignment of allowed dictionary elements for each leaf of the tree. We…

计算机视觉与模式识别 · 计算机科学 2015-06-09 Arthur Szlam , Karol Gregor , Yann LeCun

Shortcut learning, i.e., a model's reliance on undesired features not directly relevant to the task, is a major challenge that severely limits the applications of machine learning algorithms, particularly when deploying them to assist in…

机器学习 · 计算机科学 2025-06-17 Lukas Kuhn , Sari Sadiya , Jorg Schlotterer , Florian Buettner , Christin Seifert , Gemma Roig

We study parameter estimation in Nonlinear Factor Analysis (NFA) where the generative model is parameterized by a deep neural network. Recent work has focused on learning such models using inference (or recognition) networks; we identify a…

机器学习 · 统计学 2017-10-18 Rahul G. Krishnan , Dawen Liang , Matthew Hoffman

The importance of interpretability of machine learning models has been increasing due to emerging enterprise predictive analytics, threat of data privacy, accountability of artificial intelligence in society, and so on. Piecewise linear…

人工智能 · 计算机科学 2017-11-08 Masato Asahara , Ryohei Fujimaki

Cell recognition is a fundamental task in digital histopathology image analysis. Point-based cell recognition (PCR) methods normally require a vast number of annotations, which is extremely costly, time-consuming and labor-intensive.…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Zhongyi Shui , Yizhi Zhao , Sunyi Zheng , Yunlong Zhang , Honglin Li , Shichuan Zhang , Xiaoxuan Yu , Chenglu Zhu , Lin Yang