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The paper discusses the limitations of deep learning models in identifying and utilizing features that remain invariant under a bijective transformation on the data entries, which we refer to as combinatorial patterns. We argue that the…

机器学习 · 计算机科学 2023-03-30 Karen Sargsyan

Sparse linear models are one of several core tools for interpretable machine learning, a field of emerging importance as predictive models permeate decision-making in many domains. Unfortunately, sparse linear models are far less flexible…

机器学习 · 统计学 2024-01-03 Ryan Thompson , Amir Dezfouli , Robert Kohn

In this paper, we propose a novel information theoretic framework for dictionary learning (DL) and sparse coding (SC) on a statistical manifold (the manifold of probability distributions). Unlike the traditional DL and SC framework, our new…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Rudrasis Chakraborty , Monami Banerjee , Baba C. Vemuri

The latent class model is a widely used mixture model for multivariate discrete data. Besides the existence of qualitatively heterogeneous latent classes, real data often exhibit additional quantitative heterogeneity nested within each…

统计方法学 · 统计学 2025-01-23 Zhongyuan Lyu , Ling Chen , Yuqi Gu

Deep convolutional networks provide state of the art classifications and regressions results over many high-dimensional problems. We review their architecture, which scatters data with a cascade of linear filter weights and non-linearities.…

机器学习 · 统计学 2016-04-27 Stéphane Mallat

To facilitate implementation of high-accuracy deep neural networks especially on resource-constrained devices, maintaining low computation requirements is crucial. Using very deep models for classification purposes not only decreases the…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Mohammad Hosseini , Mahmudul Hasan

With several new large-scale surveys on the horizon, including LSST, TESS, ZTF, and Evryscope, faster and more accurate analysis methods will be required to adequately process the enormous amount of data produced. Deep learning, used in…

天体物理仪器与方法 · 物理学 2023-06-02 Emily M. Boudreaux

The aim of this paper is to introduce a novel dictionary learning algorithm for sparse representation of signals defined over combinatorial topological spaces, specifically, regular cell complexes. Leveraging Hodge theory, we embed topology…

信号处理 · 电气工程与系统科学 2025-03-17 Enrico Grimaldi , Claudio Battiloro , Paolo Di Lorenzo

We present a neural network architecture and training method designed to enable very rapid training and low implementation complexity. Due to its training speed and very few tunable parameters, the method has strong potential for…

神经与进化计算 · 计算机科学 2015-08-18 Mark D. McDonnell , Tony Vladusich

This research conducts a comparative study on multilingual text classification methods, utilizing deep learning and embedding visualization. The study employs LangDetect, LangId, FastText, and Sentence Transformer on a dataset encompassing…

计算与语言 · 计算机科学 2023-12-08 Arinjay Wyawhare

A low-rank transformation learning framework for subspace clustering and classification is here proposed. Many high-dimensional data, such as face images and motion sequences, approximately lie in a union of low-dimensional subspaces. The…

计算机视觉与模式识别 · 计算机科学 2014-03-11 Qiang Qiu , Guillermo Sapiro

Interpretability benefits the theoretical understanding of representations. Existing word embeddings are generally dense representations. Hence, the meaning of latent dimensions is difficult to interpret. This makes word embeddings like a…

计算与语言 · 计算机科学 2023-06-27 Minxue Xia , Hao Zhu

Deep Learning (DL) , a variant of the neural network algorithms originally proposed in the 1980s, has made surprising progress in Artificial Intelligence (AI), ranging from language translation, protein folding, autonomous cars, and more…

人工智能 · 计算机科学 2023-07-24 Stephen Josè Hanson , Vivek Yadav , Catherine Hanson

In this work, we propose a novel information theoretic framework for dictionary learning (DL) and sparse coding (SC) on a statistical manifold (the manifold of probability distributions). Unlike the traditional DL and SC framework, our new…

计算机视觉与模式识别 · 计算机科学 2017-02-06 Rudrasis Chakraborty , Monami Banerjee , Victoria Crawford , Baba C. Vemuri

Deep neural networks for image classification typically consists of a convolutional feature extractor followed by a fully connected classifier network. The predicted and the ground truth labels are represented as one hot vectors. Such a…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Soham Saha , Girish Varma , C. V. Jawahar

Dictionary Learning (DL) is one of the leading sparsity promoting techniques in the context of image classification, where the "dictionary" matrix D of images and the sparse matrix X are determined so as to represent a redundant image…

数值分析 · 数学 2022-03-10 Domitilla Brandoni , Margherita Porcelli , Valeria Simoncini

Neural network-based language models deal with data sparsity problems by mapping the large discrete space of words into a smaller continuous space of real-valued vectors. By learning distributed vector representations for words, each…

计算与语言 · 计算机科学 2018-09-27 Davide Nunes , Luis Antunes

We propose a computationally efficient and high-performance classification algorithm by incorporating class structural information in analysis dictionary learning. To achieve more consistent classification, we associate a class…

计算机视觉与模式识别 · 计算机科学 2018-05-03 Wen Tang , Ashkan Panahi , Hamid Krim , Liyi Dai

We present SparseAttnNet, a new hierarchical attention-driven framework for efficient image classification that adaptively selects and processes only the most informative pixels from images. Traditional convolutional neural networks…

图像与视频处理 · 电气工程与系统科学 2025-05-13 Elad Yoshai , Dana Yagoda-Aharoni , Eden Dotan , Natan T. Shaked

Deep neural networks (DNNs) have been shown to perform well on exclusive, multi-class classification tasks. However, when different classes have similar visual features, it becomes challenging for human annotators to differentiate them.…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Changbin Li , Kangshuo Li , Yuzhe Ou , Lance M. Kaplan , Audun Jøsang , Jin-Hee Cho , Dong Hyun Jeong , Feng Chen