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Variational Autoencoders are powerful models for unsupervised learning. However deep models with several layers of dependent stochastic variables are difficult to train which limits the improvements obtained using these highly expressive…

Recently, sparse autoencoders (SAEs) have emerged as a promising technique for interpreting activations in foundation models by disentangling features into a sparse set of concepts. However, identifying the optimal level of sparsity for…

机器学习 · 计算机科学 2026-04-17 Dongsheng Wang , Jinsen Zhang , Dawei Su , Hui Huang

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

We argue that training autoencoders to reconstruct inputs from noised versions of their encodings, when combined with perceptual losses, yields encodings that are structured according to a perceptual hierarchy. We demonstrate the emergence…

声音 · 计算机科学 2025-11-11 Mathias Rose Bjare , Giorgia Cantisani , Marco Pasini , Stefan Lattner , Gerhard Widmer

An autoencoder is a neural network which data projects to and from a lower dimensional latent space, where this data is easier to understand and model. The autoencoder consists of two sub-networks, the encoder and the decoder, which carry…

计算机视觉与模式识别 · 计算机科学 2019-04-03 Saïd Ladjal , Alasdair Newson , Chi-Hieu Pham

We present a framework to define a large class of neural networks for which, by construction, training by gradient flow provably reaches arbitrarily low loss when the number of parameters grows. Distinct from the fixed-space global…

最优化与控制 · 数学 2025-01-13 David A. R. Robin , Kevin Scaman , Marc Lelarge

The unification of low-level perception and high-level reasoning is a long-standing problem in artificial intelligence, which has the potential to not only bring the areas of logic and learning closer together but also demonstrate how…

人工智能 · 计算机科学 2019-11-27 Anton Fuxjaeger , Vaishak Belle

This paper aims to improve the feature learning in Convolutional Networks (Convnet) by capturing the structure of objects. A new sparsity function is imposed on the extracted featuremap to capture the structure and shape of the learned…

机器学习 · 计算机科学 2017-01-03 Ehsan Hosseini-Asl

Error backpropagation is a highly effective mechanism for learning high-quality hierarchical features in deep networks. Updating the features or weights in one layer, however, requires waiting for the propagation of error signals from…

神经与进化计算 · 计算机科学 2017-11-21 Hesham Mostafa , Vishwajith Ramesh , Gert Cauwenberghs

Deep Learning has been widely applied in the area of image processing and natural language processing. In this paper, we propose an end-to-end communication structure based on autoencoder where the transceiver can be optimized jointly. A…

信息论 · 计算机科学 2019-06-18 Tianjie Mu , Xiaohui Chen , Li Chen , Huarui Yin , Weidong Wang

We propose a multi-step training method for designing generalized linear classifiers. First, an initial multi-class linear classifier is found through regression. Then validation error is minimized by pruning of unnecessary inputs.…

机器学习 · 计算机科学 2023-12-15 Kanishka Tyagi , Chinmay Rane , Michael Manry

One of the roadblocks to a better understanding of neural networks' internals is \textit{polysemanticity}, where neurons appear to activate in multiple, semantically distinct contexts. Polysemanticity prevents us from identifying concise,…

机器学习 · 计算机科学 2023-10-05 Hoagy Cunningham , Aidan Ewart , Logan Riggs , Robert Huben , Lee Sharkey

The current deep neural network algorithm still stays in the end-to-end training supervision method like Image-Label pairs, which makes traditional algorithm is difficult to explain the reason for the results, and the prediction logic is…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Yishuang Tian , Ning Wang , Liang Zhang

Automatic Target Recognition (ATR) algorithms classify a given Synthetic Aperture Radar (SAR) image into one of the known target classes using a set of training images available for each class. Recently, learning methods have shown to…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Tushar Agarwal , Nithin Sugavanam , Emre Ertin

In this paper we present a new approach to solve semi-supervised classification tasks for biomedical applications, involving a supervised autoencoder network. We create a network architecture that encodes labels into the latent space of an…

机器学习 · 计算机科学 2022-08-24 Cyprien Gille , Frederic Guyard , Michel Barlaud

This is an official pytorch implementation of Deep High-Resolution Representation Learning for Human Pose Estimation. In this work, we are interested in the human pose estimation problem with a focus on learning reliable high-resolution…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Ke Sun , Bin Xiao , Dong Liu , Jingdong Wang

Autoencoders have seen wide success in domains ranging from feature selection to information retrieval. Despite this success, designing an autoencoder for a given task remains a challenging undertaking due to the lack of firm intuition on…

神经与进化计算 · 计算机科学 2020-04-17 Jeff Hajewski , Suely Oliveira , Xiaoyu Xing

In this work, we present a general purpose deep neural network package for representing energies, forces, dipole moments, and polarizabilities of atomistic systems. This so-called recursively embedded atom neural network model takes both…

化学物理 · 物理学 2022-04-06 Yaolong Zhang , Junfan Xia , Bin Jiang

Tomographic synthetic aperture radar (TomoSAR) imaging algorithms based on deep learning can effectively reduce computational costs. The idea of existing researches is to reconstruct the elevation for each range-azimuth cell in…

信号处理 · 电气工程与系统科学 2022-10-06 Yu Ren , Xiaoling Zhang , Yunqiao Hu , Xu Zhan

Active deep learning classification of hyperspectral images is considered in this paper. Deep learning has achieved success in many applications, but good-quality labeled samples are needed to construct a deep learning network. It is…

机器学习 · 计算机科学 2016-12-04 Peng Liu , Hui Zhang , Kie B. Eom