Results 21 to 30 of about 5,879,357 (336)

Unsupervised learning on particle image velocimetry with embedded cross‐correlation and divergence‐free constraint

open access: yesIET Cyber-systems and Robotics, 2022
Particle image velocimetry (PIV) is an essential method in experimental fluid dynamics. In recent years, the development of deep learning‐based methods has inspired new approaches to tackle the PIV problem, which considerably improves the accuracy of PIV.
Yiwei Chong   +4 more
doaj   +1 more source

A Large-Scale Study on Unsupervised Spatiotemporal Representation Learning [PDF]

open access: yesComputer Vision and Pattern Recognition, 2021
We present a large-scale study on unsupervised spatiotemporal representation learning from videos. With a unified perspective on four recent image-based frameworks, we study a simple objective that can easily generalize all these methods to space-time ...
Christoph Feichtenhofer   +4 more
semanticscholar   +1 more source

Stable and Fast Deep Mutual Information Maximization Based on Wasserstein Distance

open access: yesEntropy, 2023
Deep learning is one of the most exciting and promising techniques in the field of artificial intelligence (AI), which drives AI applications to be more intelligent and comprehensive.
Xing He   +4 more
doaj   +1 more source

An Unsupervised Machine Learning Algorithms: Comprehensive Review

open access: yesInternational Journal of Computing and Digital Systems, 2023
: Machine learning (ML) is a data-driven strategy in which computers learn from data without human intervention. The outstanding ML applications are used in a variety of areas.
Samreen Naeem   +3 more
semanticscholar   +1 more source

Unsupervised Prompt Learning for Vision-Language Models [PDF]

open access: yesarXiv.org, 2022
Contrastive vision-language models like CLIP have shown great progress in transfer learning. In the inference stage, the proper text description, also known as prompt, needs to be carefully designed to correctly classify the given images.
Hao Huang, Jack Chu, Fangyun Wei
semanticscholar   +1 more source

Unsupervised Learning of Monocular Depth Estimation:A Survey [PDF]

open access: yesJisuanji kexue
As the key point of 3D reconstruction,automatic driving and visual SLAM,depth estimation has always been a hot research direction in the field of computer vision,among which,monocular depth estimation technology based on unsupervised learning has been ...
CAI Jiacheng, DONG Fangmin, SUN Shuifa, TANG Yongheng
doaj   +1 more source

Classification under Streaming Emerging New Classes: A Solution using Completely Random Trees [PDF]

open access: yes, 2016
This paper investigates an important problem in stream mining, i.e., classification under streaming emerging new classes or SENC. The common approach is to treat it as a classification problem and solve it using either a supervised learner or a semi ...
Mu, Xin, Ting, Kai Ming, Zhou, Zhi-Hua
core   +3 more sources

DeConFuse: a deep convolutional transform-based unsupervised fusion framework

open access: yesEURASIP Journal on Advances in Signal Processing, 2020
This work proposes an unsupervised fusion framework based on deep convolutional transform learning. The great learning ability of convolutional filters for data analysis is well acknowledged.
Pooja Gupta   +4 more
doaj   +1 more source

Biological structure and function emerge from scaling unsupervised learning to 250 million protein sequences

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2019
Significance Learning biological properties from sequence data is a logical step toward generative and predictive artificial intelligence for biology.
Alexander Rives   +7 more
semanticscholar   +1 more source

Unsupervised Cross-lingual Representation Learning for Speech Recognition [PDF]

open access: yesInterspeech, 2020
This paper presents XLSR which learns cross-lingual speech representations by pretraining a single model from the raw waveform of speech in multiple languages.
Alexis Conneau   +4 more
semanticscholar   +1 more source

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