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Dimension of an inertial manifold for a chaotic attractor of spatially distributed system is estimated using autoencoder neural network. The inertial manifold is a low dimensional manifold where the chaotic attractor is embedded. The…

计算物理 · 物理学 2018-11-30 Pavel V. Kuptsov , Anna V. Kuptsova

Over-approximating the forward reach sets of controlled dynamical systems subject to set-valued uncertainties is a common practice in systems-control engineering for the purpose of performance verification. However, specific algebraic and…

最优化与控制 · 数学 2022-02-16 Shadi Haddad , Abhishek Halder

A recent line of work has shown promise in using sparse autoencoders (SAEs) to uncover interpretable features in neural network representations. However, the simple linear-nonlinear encoding mechanism in SAEs limits their ability to perform…

机器学习 · 计算机科学 2025-01-31 Charles O'Neill , Alim Gumran , David Klindt

Interpreting the internal activations of neural networks can produce more faithful explanations of their behavior, but is difficult due to the complex structure of activation space. Existing approaches to scalable interpretability use…

人工智能 · 计算机科学 2025-12-18 Vincent Huang , Dami Choi , Daniel D. Johnson , Sarah Schwettmann , Jacob Steinhardt

Since local feature detection has been one of the most active research areas in computer vision, a large number of detectors have been proposed. This has rendered the task of characterizing the performance of various feature detection…

计算机视觉与模式识别 · 计算机科学 2015-10-20 Shoaib Ehsan , Adrian F. Clark , Bruno Ferrarini , Naveed Ur Rehman , Klaus D. McDonald-Maier

Transformer-based visual object tracking has been utilized extensively. However, the Transformer structure is lack of enough inductive bias. In addition, only focusing on encoding the global feature does harm to modeling local details,…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Changhong Fu , Weiyu Peng , Sihang Li , Junjie Ye , Ziang Cao

Pre-trained encoders are widely employed in dense prediction tasks for their capability to effectively extract visual features from images. The decoder subsequently processes these features to generate pixel-level predictions. However, due…

机器学习 · 计算机科学 2025-03-18 Chao Ning , Wanshui Gan , Weihao Xuan , Naoto Yokoya

While great strides have been made in using deep learning algorithms to solve supervised learning tasks, the problem of unsupervised learning - leveraging unlabeled examples to learn about the structure of a domain - remains a difficult…

机器学习 · 计算机科学 2017-03-02 William Lotter , Gabriel Kreiman , David Cox

Recently, the attention-enhanced multi-layer encoder, such as Transformer, has been extensively studied in Machine Reading Comprehension (MRC). To predict the answer, it is common practice to employ a predictor to draw information only from…

计算与语言 · 计算机科学 2022-08-19 Nuo Chen , Chenyu You

Novelty detection is the task of recognizing samples that do not belong to the distribution of the target class. During training, the novelty class is absent, preventing the use of traditional classification approaches. Deep autoencoders…

计算机视觉与模式识别 · 计算机科学 2021-11-11 John Taylor Jewell , Vahid Reza Khazaie , Yalda Mohsenzadeh

Since its introduction, unsupervised representation learning has attracted a lot of attention from the research community, as it is demonstrated to be highly effective and easy-to-apply in tasks such as dimension reduction, clustering,…

机器学习 · 计算机科学 2018-11-07 Chin-Chia Michael Yeh , Yan Zhu , Evangelos E. Papalexakis , Abdullah Mueen , Eamonn Keogh

An additive autoencoder for dimension reduction, which is composed of a serially performed bias estimation, linear trend estimation, and nonlinear residual estimation, is proposed and analyzed. Computational experiments confirm that an…

机器学习 · 计算机科学 2022-10-14 Tommi Kärkkäinen , Jan Hänninen

Dimensionality reduction is a crucial first step for many unsupervised learning tasks including anomaly detection and clustering. Autoencoder is a popular mechanism to accomplish dimensionality reduction. In order to make dimensionality…

机器学习 · 计算机科学 2021-03-12 Imtiaz Ahmed , Travis Galoppo , Xia Hu , Yu Ding

Given a sequence of tokens, such as words, the task of next-token prediction is to predict the next-token conditional probability distribution. Decoder-only transformers have become effective models for this task, but their properties are…

机器学习 · 计算机科学 2025-11-25 Liam Madden , Curtis Fox , Christos Thrampoulidis

Deep neural network autoencoders are routinely used computationally for model reduction. They allow recognizing the intrinsic dimension of data that lie in a $k$-dimensional subset $K$ of an input Euclidean space $\mathbb{R}^n$. The…

机器学习 · 计算机科学 2024-02-20 Matthew D. Kvalheim , Eduardo D. Sontag

Given two arbitrary closed sets in Euclidean space, a simple transversality condition guarantees that the method of alternating projections converges locally, at linear rate, to a point in the intersection. Exact projection onto nonconvex…

最优化与控制 · 数学 2018-11-06 Dmitriy Drusvyatskiy , Adrian S. Lewis

This paper studies a Shannon-theoretic version of the generalized distribution preserving quantization problem where a stationary and memoryless source is encoded subject to a distortion constraint and the additional requirement that the…

信息论 · 计算机科学 2015-07-10 Naci Saldi , Tamás Linder , Serdar Yüksel

In our previous work, we proposed that engrams in the brain could be biologically implemented as autoencoders over recurrent neural networks. These autoencoders would comprise basic excitatory/inhibitory motifs, with credit assignment…

神经与进化计算 · 计算机科学 2024-07-24 J Marco de Lucas

Auto-encoders are perhaps the best-known non-probabilistic methods for representation learning. They are conceptually simple and easy to train. Recent theoretical work has shed light on their ability to capture manifold structure, and drawn…

机器学习 · 计算机科学 2015-06-16 Daniel Jiwoong Im , Graham W. Taylor

We introduce Perception Encoder (PE), a state-of-the-art vision encoder for image and video understanding trained via simple vision-language learning. Traditionally, vision encoders have relied on a variety of pretraining objectives, each…