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Conformational sampling of biomolecules using molecular dynamics simulations often produces large amount of high dimensional data that makes it difficult to interpret using conventional analysis techniques. Dimensionality reduction methods…

生物大分子 · 定量生物学 2021-12-08 Mahdi Ghorbani , Samarjeet Prasad , Jeffery B. Klauda , Bernard R. Brooks

Modern deep neural networks are well known to be brittle in the face of unknown data instances and recognition of the latter remains a challenge. Although it is inevitable for continual-learning systems to encounter such unseen concepts,…

机器学习 · 计算机科学 2022-04-04 Martin Mundt , Iuliia Pliushch , Sagnik Majumder , Yongwon Hong , Visvanathan Ramesh

Adversarial learning is a widely used technique in fair representation learning to remove the biases on sensitive attributes from data representations. It usually requires to incorporate the sensitive attribute labels as prediction targets.…

机器学习 · 计算机科学 2022-04-04 Chuhan Wu , Fangzhao Wu , Tao Qi , Yongfeng Huang

Machine learning continues to grow in popularity due to its ability to learn increasingly complex tasks. However, for many supervised models, the shift in a data distribution or the appearance of a new event can result in a severe decrease…

机器学习 · 计算机科学 2021-10-19 Ryan King , Bobak Mortazavi

In conventional supervised learning, a training dataset is given with ground-truth labels from a known label set, and the learned model will classify unseen instances to known labels. This paper studies a new problem setting in which there…

机器学习 · 计算机科学 2024-06-03 Peng Zhao , Jia-Wei Shan , Yu-Jie Zhang , Zhi-Hua Zhou

In this note we present a generative model of natural images consisting of a deep hierarchy of layers of latent random variables, each of which follows a new type of distribution that we call rectified Gaussian. These rectified Gaussian…

机器学习 · 统计学 2016-03-01 Tim Salimans

Unsupervised disentangled representation learning from the unlabelled audio data, and high fidelity audio generation have become two linchpins in the machine learning research fields. However, the representation learned from an unsupervised…

音频与语音处理 · 电气工程与系统科学 2020-10-20 Kazi Nazmul Haque , Rajib Rana , Björn W Schuller

We propose a new type of variational autoencoder to perform improved pre-processing for clustering and anomaly detection on data with a given label. Anomalies however are not known or labeled. We call our method conditional latent space…

机器学习 · 计算机科学 2019-12-02 Erik Norlander , Alexandros Sopasakis

Large occlusions result in a significant decline in image classification accuracy. During inference, diverse types of unseen occlusions introduce out-of-distribution data to the classification model, leading to accuracy dropping as low as…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Ketan Kotwal , Tanay Deshmukh , Preeti Gopal

In this paper, we describe the "implicit autoencoder" (IAE), a generative autoencoder in which both the generative path and the recognition path are parametrized by implicit distributions. We use two generative adversarial networks to…

机器学习 · 计算机科学 2019-02-08 Alireza Makhzani

Supervised learning, while deployed in real-life scenarios, often encounters instances of unknown classes. Conventional algorithms for training a supervised learning model do not provide an option to detect such instances, so they…

机器学习 · 计算机科学 2021-07-06 Jun Zhuang , Mohammad Al Hasan

Supervised classification methods often assume that evaluation data is drawn from the same distribution as training data and that all classes are present for training. However, real-world classifiers must handle inputs that are far from the…

计算机视觉与模式识别 · 计算机科学 2020-09-11 Ryne Roady , Tyler L. Hayes , Christopher Kanan

Work in deep clustering focuses on finding a single partition of data. However, high-dimensional data, such as images, typically feature multiple interesting characteristics one could cluster over. For example, images of objects against a…

Variational auto-encoders (VAEs) provide an attractive solution to image generation problem. However, they tend to produce blurred and over-smoothed images due to their dependence on pixel-wise reconstruction loss. This paper introduces a…

计算机视觉与模式识别 · 计算机科学 2018-04-30 Salman H. Khan , Munawar Hayat , Nick Barnes

Materials informatics (MI), which uses artificial intelligence and data analysis techniques to improve the efficiency of materials development, is attracting increasing interest from industry. One of its main applications is the rapid…

机器学习 · 计算机科学 2023-02-07 Yoshihiro Osakabe , Akinori Asahara

Classification tasks usually assume that all possible classes are present during the training phase. This is restrictive if the algorithm is used over a long time and possibly encounters samples from unknown classes. The recently introduced…

机器学习 · 统计学 2019-07-18 Edoardo Vignotto , Sebastian Engelke

Recent successes in image generation, model-based reinforcement learning, and text-to-image generation have demonstrated the empirical advantages of discrete latent representations, although the reasons behind their benefits remain unclear.…

机器学习 · 计算机科学 2023-07-27 David Friede , Christian Reimers , Heiner Stuckenschmidt , Mathias Niepert

In real-world classification tasks, it is difficult to collect training samples from all possible categories of the environment. Therefore, when an instance of an unseen class appears in the prediction stage, a robust classifier should be…

机器学习 · 计算机科学 2017-06-20 Yang Yu , Wei-Yang Qu , Nan Li , Zimin Guo

Deep networks have produced significant gains for various visual recognition problems, leading to high impact academic and commercial applications. Recent work in deep networks highlighted that it is easy to generate images that humans…

计算机视觉与模式识别 · 计算机科学 2015-11-20 Abhijit Bendale , Terrance Boult

Generalized category discovery (GCD) is a recently proposed open-world task. Given a set of images consisting of labeled and unlabeled instances, the goal of GCD is to automatically cluster the unlabeled samples using information…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Xiangli Yang , Xinglin Pan , Irwin King , Zenglin Xu