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Metaproteomics are becoming widely used in microbiome research for gaining insights into the functional state of the microbial community. Current metaproteomics studies are generally based on high-throughput tandem mass spectrometry (MS/MS)…

Quantitative Methods · Quantitative Biology 2020-09-24 Xuan Guo , Shichao Feng

Metabolomics complements investigation of the genome, transcriptome, and proteome of an organism. Today, the vast majority of metabolites remain unknown, in particular for non-model organisms. Mass spectrometry is one of the predominant…

Quantitative Methods · Quantitative Biology 2013-07-31 Kai Dührkop , Marcus Ludwig , Marvin Meusel , Sebastian Böcker

Deep neural networks have recently achieved promising performance in the vein recognition task and have shown an increasing application trend, however, they are prone to adversarial perturbation attacks by adding imperceptible perturbations…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Huafeng Qin , Yuming Fu , Huiyan Zhang , Mounim A. El-Yacoubi , Xinbo Gao , Qun Song , Jun Wang

Data scarcity and class imbalance are two fundamental challenges in many machine learning applications to healthcare. Breast cancer classification in mammography exemplifies these challenges, with a malignancy rate of around 0.5% in a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Eric Wu , Kevin Wu , William Lotter

Retrieving molecular structures from tandem mass spectra is a crucial step in rapid compound identification. Existing retrieval methods, such as traditional mass spectral library matching, suffer from limited spectral library coverage,…

Machine Learning · Computer Science 2025-11-11 Yiwen Zhang , Keyan Ding , Yihang Wu , Xiang Zhuang , Yi Yang , Qiang Zhang , Huajun Chen

Generative Adversarial Networks (GAN) is currently widely used as an unsupervised image generation method. Current state-of-the-art GANs can generate photorealistic images with high resolution. However, a large amount of data is required,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Pengwei Wang

When simulating metabolite productions with genome-scale constraint-based metabolic models, gene deletion strategies are necessary to achieve growth-coupled production, which means cell growth and target metabolite production occur…

Quantitative Methods · Quantitative Biology 2025-11-18 Ziwei Yang , Takeyuki Tamura

Peptide identification in mass spectrometry-based proteomics is crucial for understanding protein function and dynamics. Traditional database search methods, though widely used, rely on heuristic scoring functions and statistical…

Quantitative Methods · Quantitative Biology 2024-05-13 Yonghan Yu , Ming Li

Recently, Generative Adversarial Networks (GANs) have emerged as a popular alternative for modeling complex high dimensional distributions. Most of the existing works implicitly assume that the clean samples from the target distribution are…

Machine Learning · Statistics 2019-02-14 Mohammadreza Soltani , Swayambhoo Jain , Abhinav Sambasivan

One-class novelty detection is the process of determining if a query example differs from the training examples (the target class). Most of previous strategies attempt to learn the real characteristics of target sample by using generative…

Computer Vision and Pattern Recognition · Computer Science 2020-02-06 Chengwei Chen , Wang Yuan , Yuan Xie , Yanyun Qu , Yiqing Tao , Haichuan Song , Lizhuang Ma

Linear modal analysis is a useful and effective tool for the design and analysis of structures. However, a comprehensive basis for nonlinear modal analysis remains to be developed. In the current work, a machine learning scheme is proposed…

Machine Learning · Computer Science 2022-03-03 G. Tsialiamanis , M. D. Champneys , N. Dervilis , D. J. Wagg , K. Worden

Measuring biases of vision systems with respect to protected attributes like gender and age is critical as these systems gain widespread use in society. However, significant correlations between attributes in benchmark datasets make it…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Chandan Singh , Guha Balakrishnan , Pietro Perona

In differentiable neural architecture search (NAS) algorithms like DARTS, the training set used to update model weight and the validation set used to update model architectures are sampled from the same data distribution. Thus, the uncommon…

Machine Learning · Computer Science 2021-12-02 Ruisi Zhang , Youwei Liang , Sai Ashish Somayajula , Pengtao Xie

Most conventional Neural Architecture Search (NAS) approaches are limited in that they only generate architectures without searching for the optimal parameters. While some NAS methods handle this issue by utilizing a supernet trained on a…

Machine Learning · Computer Science 2021-10-29 Wonyong Jeong , Hayeon Lee , Gun Park , Eunyoung Hyung , Jinheon Baek , Sung Ju Hwang

A key challenge in metabolomics is annotating measured spectra from a biological sample with chemical identities. Currently, only a small fraction of measurements can be assigned identities. Two complementary computational approaches have…

Machine Learning · Computer Science 2022-03-28 Xinmeng Li , Hao Zhu , Li-ping Liu , Soha Hassoun

The proliferation of machine learning models in diverse clinical applications has led to a growing need for high-fidelity, medical image training data. Such data is often scarce due to cost constraints and privacy concerns. Alleviating this…

Image and Video Processing · Electrical Eng. & Systems 2024-10-24 William Cagas , Chan Ko , Blake Hsiao , Shryuk Grandhi , Rishi Bhattacharya , Kevin Zhu , Michael Lam

Objective: Magnetic Resonance Spectroscopy (MRS) is an important technique for biomedical detection. However, it is challenging to accurately quantify metabolites with proton MRS due to serious overlaps of metabolite signals, imperfections…

In medical imaging, a general problem is that it is costly and time consuming to collect high quality data from healthy and diseased subjects. Generative adversarial networks (GANs) is a deep learning method that has been developed for…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 Per Welander , Simon Karlsson , Anders Eklund

Generative adversarial network (GAN) has achieved impressive success on cross-domain generation, but it faces difficulty in cross-modal generation due to the lack of a common distribution between heterogeneous data. Most existing methods of…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Wen-Cheng Chen , Chien-Wen Chen , Min-Chun Hu

Biological sequence analysis is an essential step toward building a deeper understanding of the underlying functions, structures, and behaviors of the sequences. It can help in identifying the characteristics of the associated organisms,…

Machine Learning · Computer Science 2023-03-07 Taslim Murad , Sarwan Ali , Murray Patterson