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Related papers: Localized Supervised Learning for Cryo-ET Reconstr…

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Within medical imaging, manual curation of sufficient well-labeled samples is cost, time and scale-prohibitive. To improve the representativeness of the training dataset, for the first time, we present an approach to utilize large amounts…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Fernando Navarro , Sailesh Conjeti , Federico Tombari , Nassir Navab

The number of noisy images required for molecular reconstruction in single-particle cryo-electron microscopy (cryo-EM) is governed by the autocorrelations of the observed, randomly-oriented, noisy projection images. In this work, we…

Numerical Analysis · Mathematics 2023-05-03 Tamir Bendory , Yuehaw Khoo , Joe Kileel , Oscar Mickelin , Amit Singer

EEG-based Emotion recognition holds significant promise for applications in human-computer interaction, medicine, and neuroscience. While deep learning has shown potential in this field, current approaches usually rely on large-scale…

Signal Processing · Electrical Eng. & Systems 2024-03-08 Hanqi Wang , Tao Chen , Liang Song

Electron tomography (ET) allows high-resolution reconstructions of macromolecular complexes at nearnative state. Cellular structures segmentation in the reconstruction data from electron tomographic images is often required for analyzing…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Enze Zhang , Fa Zhang , Zhiyong Liu , Xiaohua Wan , Lifa Zhu

Over the past decade, cryogenic electron microscopy (cryo-EM) has emerged as a primary method for determining near-native, near-atomic resolution 3D structures of biological macromolecules. In order to meet increasing demand for cryo-EM,…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Paul T. Kim , Alex J. Noble , Anchi Cheng , Tristan Bepler

Deep learning has transformed computer vision but relies heavily on large labeled datasets and computational resources. Transfer learning, particularly fine-tuning pretrained models, offers a practical alternative; however, models…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Iván Matas , Carmen Serrano , Miguel Nogales , David Moreno , Lara Ferrándiz , Teresa Ojeda , Begoña Acha

Single particle cryogenic electron microscopy (cryo-EM) is an imaging technique capable of recovering the high-resolution 3-D structure of biological macromolecules from many noisy and randomly oriented projection images. One notable…

Biomolecules · Quantitative Biology 2024-01-30 Andy Zhang , Oscar Mickelin , Joe Kileel , Eric J. Verbeke , Nicholas F. Marshall , Marc Aurèle Gilles , Amit Singer

Recently, deep learning approaches have become the main research frontier for biological image reconstruction and enhancement problems thanks to their high performance, along with their ultra-fast inference times. However, due to the…

Image and Video Processing · Electrical Eng. & Systems 2022-03-18 Mehmet Akçakaya , Burhaneddin Yaman , Hyungjin Chung , Jong Chul Ye

Histologic examination plays a crucial role in oncology research and diagnostics. The adoption of digital scanning of whole slide images (WSI) has created an opportunity to leverage deep learning-based image classification methods to…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Md Zahangir Alom , Quynh T. Tran , Brent A. Orr

Structured representations such as keypoints are widely used in pose transfer, conditional image generation, animation, and 3D reconstruction. However, their supervised learning requires expensive annotation for each target domain. We…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Xingzhe He , Bastian Wandt , Helge Rhodin

To develop a deep-learning method for achieving fast high-resolution MR elastography from highly undersampled data without the need of high-quality training dataset. We first framed the deep neural network representation as a nonlinear…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Xi Peng

Accurate interpretation of electrocardiogram (ECG) remains challenging due to the scarcity of labeled data and the high cost of expert annotation. Self-supervised learning (SSL) offers a promising solution by enabling models to learn…

Artificial Intelligence · Computer Science 2026-04-14 Zehao Qin , Xiaojian Lin , Ping Zhang , Hongliang Wu , Xinkang Wang , Guangling Liu , Bo Chen , Wenming Yang , Guijin Wang

Motivation: Cryo-Electron Tomography (cryo-ET) visualizes structure and spatial organization of macromolecules and their interactions with other subcellular components inside single cells in the close-to-native state at sub-molecular…

Quantitative Methods · Quantitative Biology 2020-07-31 Liangyong Yu , Ran Li , Xiangrui Zeng , Hongyi Wang , Jie Jin , Ge Yang , Rui Jiang , Min Xu

Recent years have witnessed growing interest in machine learning-based models and techniques for low-dose X-ray CT (LDCT) imaging tasks. The methods can typically be categorized into supervised learning methods and unsupervised or…

Machine Learning · Computer Science 2019-10-29 Zhipeng Li , Siqi Ye , Yong Long , Saiprasad Ravishankar

Motivated by the task of 2-D classification in single particle reconstruction by cryo-electron microscopy (cryo-EM), we consider the problem of heterogeneous multireference alignment of images. In this problem, the goal is to estimate a…

Image and Video Processing · Electrical Eng. & Systems 2019-10-03 Chao Ma , Tamir Bendory , Nicolas Boumal , Fred Sigworth , Amit Singer

In recent years, self-supervised learning methods have shown significant improvement for pre-training with unlabeled data and have proven helpful for electrocardiogram signals. However, most previous pre-training methods for…

Machine Learning · Computer Science 2022-03-21 Jungwoo Oh , Hyunseung Chung , Joon-myoung Kwon , Dong-gyun Hong , Edward Choi

Machine learning methods have shown great success in various scientific areas, including fluid mechanics. However, reconstruction problems, where full velocity fields must be recovered from partial observations, remain challenging. In this…

Fluid Dynamics · Physics 2025-01-16 Qian Zhang , Dmitry Krotov , George Em Karniadakis

Classifying structural variability in noisy projections of biological macromolecules is a central problem in Cryo-EM. In this work, we build on a previous method for estimating the covariance matrix of the three-dimensional structure…

Computer Vision and Pattern Recognition · Computer Science 2015-12-08 Joakim Andén , Eugene Katsevich , Amit Singer

We propose a method to facilitate exploration and analysis of new large data sets. In particular, we give an unsupervised deep learning approach to learning a latent representation that captures semantic similarity in the data set. The core…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Gary B Huang , Huei-Fang Yang , Shin-ya Takemura , Pat Rivlin , Stephen M Plaza

Background: Dual-energy CT (DECT) and material decomposition play vital roles in quantitative medical imaging. However, the decomposition process may suffer from significant noise amplification, leading to severely degraded image…