全息-VAE:在里埃空间中的一个端到端的SO3等同 (变量) 自编码器
Gian Marco Visani1, Michael N Pun2, Arman Angaji3
1Paul G. Allen School of Computer Science and Engineering, University of Washington, 85 E Stevens Way NE, Seattle, Washington 98195, USA.
全息 (变量) 自动编码器利用群体等价性来实现3D无监督学习. 这种方法提取了旋转不变的嵌入和方向,以实现高效的数据表示和下游任务,如蛋白质 - 连接体结合亲缘关系预测.
科学领域:
- 人工智能的人工智能
- 机器学习 机器学习
- 计算科学 计算科学
背景情况:
- 集团等价神经网络使用通用卷积来建模对称数据.
- 在监督和无监督学习任务方面取得了进展,但对称感知表征尚未得到充分探索.
研究的目的:
- 介绍全息 (变量) 自编码器 (H-V) AE,用于端到端的SO3等同的3D无监督学习.
- 开发一种方法,从具有特定来源和对称性的数据中提取有信息的低维表示.
主要方法:
- H-(V) AE 是一个在里埃空间中运行的SO(3) -等价自编码器.
- 它重建了球形里埃编码,学习了一个带有旋转不变嵌入和等价定向框架的隐性空间.
主要成果:
- H-(V) AE有效地编码了球形图像的分类特征.
- 学习的潜空间为蛋白质结构微环境提供了紧的嵌入.
- 当H-VAE嵌入与随机森林回归器配对时,可以实现最先进的蛋白质-连接物结合亲和力预测.
结论:
- H-(V) AE为无监督学习和具有对称性的数据生成提供了一个强大的框架.
- 提取的低维表示对于数据稀缺的下游应用非常有价值,特别是在计算生物学中.
更多相关视频
10:03Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy
Published on: June 27, 2014
11:00Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
Published on: July 19, 2016
相关概念视频
Parseval's Theorem for Fourier transform
To understand Parseval's theorem, it is essential to first comprehend how signal energy is typically calculated. When considering a...
Continuous -time Fourier Transform
Convergence of Fourier Series
The Gibbs phenomenon refers to the persistent oscillations and overshoots that occur near discontinuities...
Properties of Fourier Transform II
The Frequency Shifting property of Fourier Transforms highlights that a shift in the frequency domain corresponds to a phase shift in the time domain. Mathematically, if x(t) has...
Discrete-time Fourier transform
One of the notable...
Properties of Fourier Transform I
In radio broadcasting, multiple audio signals often need to be transmitted simultaneously. The Fourier...
