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Classical methods for model order selection often fail in scenarios with low SNR or few snapshots. Deep learning-based methods are promising alternatives for such challenging situations as they compensate lack of information in the…

信号处理 · 电气工程与系统科学 2023-12-07 Michael Baur , Franz Weißer , Benedikt Böck , Wolfgang Utschick

While the beta-VAE family is aiming to find disentangled representations and acquire human-interpretable generative factors, like what an ICA (from the linear domain) does, we propose Full Encoder, a novel unified autoencoder framework as a…

机器学习 · 计算机科学 2021-07-14 Zhouzheng Li , Kun Feng

Deep learning has recently become one of the most compute/data-intensive methods and is widely used in many research areas and businesses. One of the critical challenges of deep learning is that it has many parameters that can be adjusted,…

分布式、并行与集群计算 · 计算机科学 2022-10-12 JooYoung Park , DoangJoo Synn , XinYu Piao , Jong-Kook Kim

With the increasing use of high-precision system analysis programs in nuclear engineering, the number of high-fidelity computational data for accident simulation is exploding. Therefore, an algorithm that can achieve both automatic…

信号处理 · 电气工程与系统科学 2022-08-30 Chengyuan Li , Meifu Li , Zhifang Qiu

In a collaborative-filtering recommendation scenario, biases in the data will likely propagate in the learned recommendations. In this paper we focus on the so-called mainstream bias: the tendency of a recommender system to provide better…

信息检索 · 计算机科学 2021-02-04 Roger Zhe Li , Julián Urbano , Alan Hanjalic

Wide accessibility of imaging and profile sensors in modern industrial systems created an abundance of high-dimensional sensing variables. This led to a a growing interest in the research of high-dimensional process monitoring. However,…

机器学习 · 计算机科学 2022-08-15 Nurettin Sergin , Hao Yan

Variational autoencoders (VAEs) have been used extensively to discover low-dimensional latent factors governing neural activity and animal behavior. However, without careful model selection, the uncovered latent factors may reflect noise in…

机器学习 · 计算机科学 2023-12-13 Julia Huiming Wang , Dexter Tsin , Tatiana Engel

Variational Autoencoder is a scalable method for learning latent variable models of complex data. It employs a clear objective that can be easily optimized. However, it does not explicitly measure the quality of learned representations. We…

机器学习 · 计算机科学 2020-05-29 Andriy Serdega , Dae-Shik Kim

DCE-MRI provides information about vascular permeability and tissue perfusion through the acquisition of pharmacokinetic parameters. However, traditional methods for estimating these pharmacokinetic parameters involve fitting tracer kinetic…

图像与视频处理 · 电气工程与系统科学 2023-06-08 Gyutaek Oh , Won-Jin Moon , Jong Chul Ye

We present a novel masked image modeling (MIM) approach, context autoencoder (CAE), for self-supervised representation pretraining. We pretrain an encoder by making predictions in the encoded representation space. The pretraining tasks…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Xiaokang Chen , Mingyu Ding , Xiaodi Wang , Ying Xin , Shentong Mo , Yunhao Wang , Shumin Han , Ping Luo , Gang Zeng , Jingdong Wang

Diffusion autoencoders (DAs) are variants of diffusion generative models that use an input-dependent latent variable to capture representations alongside the diffusion process. These representations, to varying extents, can be used for…

机器学习 · 计算机科学 2025-06-03 Magdalena Proszewska , Nikolay Malkin , N. Siddharth

Stacked denoising auto encoders (DAEs) are well known to learn useful deep representations, which can be used to improve supervised training by initializing a deep network. We investigate a training scheme of a deep DAE, where DAE layers…

机器学习 · 计算机科学 2015-04-14 Alexander Kalmanovich , Gal Chechik

Tabular data remain a dominant form of real-world information but pose persistent challenges for deep learning due to heterogeneous feature types, lack of natural structure, and limited label-preserving augmentations. As a result, ensemble…

机器学习 · 计算机科学 2025-09-23 Sivan Sarafian , Yehudit Aperstein

We demonstrate a new deep learning autoencoder network, trained by a nonnegativity constraint algorithm (NCAE), that learns features which show part-based representation of data. The learning algorithm is based on constraining negative…

机器学习 · 计算机科学 2016-01-13 Ehsan Hosseini-Asl , Jacek M. Zurada , Olfa Nasraoui

Data encoding is a common and central operation in most data analysis tasks. The performance of other models downstream in the computational process highly depends on the quality of data encoding. One of the most powerful ways to encode…

机器学习 · 计算机科学 2025-09-03 Teddy Lazebnik , Liron Simon-Keren

Sparse autoencoders (SAEs) extract human-interpretable features from deep neural networks by transforming their activations into a sparse, higher dimensional latent space, and then reconstructing the activations from these latents.…

机器学习 · 计算机科学 2025-02-13 Gonçalo Paulo , Stepan Shabalin , Nora Belrose

Semi-supervised learning is attracting increasing attention due to the fact that datasets of many domains lack enough labeled data. Variational Auto-Encoder (VAE), in particular, has demonstrated the benefits of semi-supervised learning.…

机器学习 · 计算机科学 2018-12-04 Yang Li , Quan Pan , Suhang Wang , Haiyun Peng , Tao Yang , Erik Cambria

Variational Autoencoders (VAEs) are powerful generative models that have been widely used in various fields, including image and text generation. However, one of the known challenges in using VAEs is the model's sensitivity to its…

机器学习 · 计算机科学 2024-12-31 Gabriela Sejnova , Michal Vavrecka , Karla Stepanova

Masked AutoEncoders (MAE) have emerged as a robust self-supervised framework, offering remarkable performance across a wide range of downstream tasks. To increase the difficulty of the pretext task and learn richer visual representations,…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Carlos Hinojosa , Shuming Liu , Bernard Ghanem

Diffusion models have achieved remarkable success in image and video generation. In this work, we demonstrate that diffusion models can also \textit{generate high-performing neural network parameters}. Our approach is simple, utilizing an…

机器学习 · 计算机科学 2025-01-03 Kai Wang , Dongwen Tang , Boya Zeng , Yida Yin , Zhaopan Xu , Yukun Zhou , Zelin Zang , Trevor Darrell , Zhuang Liu , Yang You