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Gastrointestinal (GI) imaging via Wireless Capsule Endoscopy (WCE) generates a large number of images requiring manual screening. Deep learning-based Clinical Decision Support (CDS) systems can assist screening, yet their performance relies…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Dimitrios E. Diamantis , Dimitris K. Iakovidis

Using generative deep learning models and reinforcement learning together can effectively generate new molecules with desired properties. By employing a multi-objective scoring function, thousands of high-scoring molecules can be generated,…

Variational Autoencoders (VAE) are probabilistic deep generative models underpinned by elegant theory, stable training processes, and meaningful manifold representations. However, they produce blurry images due to a lack of explicit…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Prashnna K Gyawali , Rudra Saha , Linwei Wang , VSR Veeravasarapu , Maneesh Singh

Massive molecular simulations of drug-target proteins have been used as a tool to understand disease mechanism and develop therapeutics. This work focuses on learning a generative neural network on a structural ensemble of a drug-target…

Machine Learning · Computer Science 2022-05-24 N. Joseph Tatro , Payel Das , Pin-Yu Chen , Vijil Chenthamarakshan , Rongjie Lai

Variational autoencoder (VAE) is one of the most common techniques in the field of medical image generation, where this architecture has shown advanced researchers in recent years and has developed into various architectures. VAE has…

Machine Learning · Computer Science 2024-11-13 Khadija Rais , Mohamed Amroune , Abdelmadjid Benmachiche , Mohamed Yassine Haouam

Text-guided molecule generation is a task where molecules are generated to match specific textual descriptions. Recently, most existing SMILES-based molecule generation methods rely on an autoregressive architecture. In this work, we…

Machine Learning · Computer Science 2024-02-21 Haisong Gong , Qiang Liu , Shu Wu , Liang Wang

Recent advances in machine learning for molecules exhibit great potential for facilitating drug discovery from in silico predictions. Most models for molecule generation rely on the decomposition of molecules into frequently occurring…

Chemical Physics · Physics 2023-11-08 Leon Hetzel , Johanna Sommer , Bastian Rieck , Fabian Theis , Stephan Günnemann

The generation of molecules with desired properties has become increasingly popular, revolutionizing the way scientists design molecular structures and providing valuable support for chemical and drug design. However, despite the potential…

Machine Learning · Computer Science 2024-03-05 Yin Fang , Ningyu Zhang , Zhuo Chen , Lingbing Guo , Xiaohui Fan , Huajun Chen

Generative models have been applied in the medical imaging domain for various image recognition and synthesis tasks. However, a more controllable and interpretable image synthesis model is still lacking yet necessary for important…

Image and Video Processing · Electrical Eng. & Systems 2021-11-15 Jiarong Ye , Yuan Xue , Peter Liu , Richard Zaino , Keith Cheng , Xiaolei Huang

We present two deep generative models based on Variational Autoencoders to improve the accuracy of drug response prediction. Our models, Perturbation Variational Autoencoder and its semi-supervised extension, Drug Response Variational…

Machine Learning · Statistics 2017-07-07 Ladislav Rampasek , Daniel Hidru , Petr Smirnov , Benjamin Haibe-Kains , Anna Goldenberg

Speech-to-face generation is an intriguing area of research that focuses on generating realistic facial images based on a speaker's audio speech. However, state-of-the-art methods employing GAN-based architectures lack stability and cannot…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Jinting Wang , Li Liu , Jun Wang , Hei Victor Cheng

Artificial Intelligence in healthcare is a new and exciting frontier and the possibilities are endless. With deep learning approaches beating human performances in many areas, the logical next step is to attempt their application in the…

Machine Learning · Computer Science 2018-08-21 Ally Salim

We seek to automate the design of molecules based on specific chemical properties. Our primary contributions are a simpler method for generating SMILES strings guaranteed to be chemically valid, using a combination of a new context-free…

Machine Learning · Computer Science 2018-11-29 Egor Kraev

Variational autoencoder (VAE) is a popular method for drug discovery and various architectures and pipelines have been proposed to improve its performance. However, VAE approaches are known to suffer from poor manifold recovery when the…

Machine Learning · Computer Science 2023-09-12 Chenghui Zhou , Barnabas Poczos

De novo design of molecules has recently enjoyed the power of generative deep neural networks. Current approaches aim to generate molecules either resembling the properties of the molecules of the training set or molecules that are…

Biomolecules · Quantitative Biology 2020-11-02 Ahmadreza Ghanbarpour , Markus A. Lill

Effective representation of molecules is a crucial factor affecting the performance of artificial intelligence models. This study introduces a flexible, fragment-based, multiscale molecular representation framework called t-SMILES…

Machine Learning · Computer Science 2024-05-22 Juan-Ni Wu , Tong Wang , Yue Chen , Li-Juan Tang , Hai-Long Wu , Ru-Qin Yu

Graph neural networks (GNNs) have been used extensively for addressing problems in drug design and discovery. Both ligand and target molecules are represented as graphs with node and edge features encoding information about atomic elements…

Machine Learning · Computer Science 2021-10-14 Dhananjay Bhaskar , Jackson D. Grady , Michael A. Perlmutter , Smita Krishnaswamy

Combination therapy has shown to improve therapeutic efficacy while reducing side effects. Importantly, it has become an indispensable strategy to overcome resistance in antibiotics, anti-microbials, and anti-cancer drugs. Facing enormous…

Molecular Networks · Quantitative Biology 2020-04-24 Mostafa Karimi , Arman Hasanzadeh , Yang shen

Synthetic data generation is of great interest in diverse applications, such as for privacy protection. Deep generative models, such as variational autoencoders (VAEs), are a popular approach for creating such synthetic datasets from…

Machine Learning · Statistics 2021-05-17 Kiana Farhadyar , Federico Bonofiglio , Daniela Zoeller , Harald Binder

Molecular representation learning is fundamental for many drug related applications. Most existing molecular pre-training models are limited in using single molecular modality, either SMILES or graph representation. To effectively leverage…

Machine Learning · Computer Science 2024-11-05 Shikun Feng , Lixin Yang , Yanwen Huang , Yuyan Ni , Weiying Ma , Yanyan Lan