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Accurate dose distribution prediction is crucial in the radiotherapy planning. Although previous methods based on convolutional neural network have shown promising performance, they have the problem of over-smoothing, leading to prediction…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Xin Liao , Zhenghao Feng , Jianghong Xiao , Xingchen Peng , Yan Wang

Microstructure reconstruction serves as a crucial foundation for establishing Process-Structure-Property (PSP) relationship in material design. Confronting the limitations of variational autoencoder and generative adversarial network within…

计算工程、金融与科学 · 计算机科学 2023-11-30 Xianrui Lyu , Xiaodan Ren

Multi-view image generation holds significant application value in computer vision, particularly in domains like 3D reconstruction, virtual reality, and augmented reality. Most existing methods, which rely on extending single images, face…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Jiaqi Wu , Yaosen Chen , Shuyuan Zhu

We present a three-dimensional graph convolutional network (3DGCN), which predicts molecular properties and biochemical activities, based on 3D molecular graph. In the 3DGCN, graph convolution is unified with learning operations on the…

机器学习 · 计算机科学 2019-08-08 Hyeoncheol Cho , Insung S. Choi

We consider molecule generation in 3D space using language models (LMs), which requires discrete tokenization of 3D molecular geometries. Although tokenization of molecular graphs exists, that for 3D geometries is largely unexplored. Here,…

人工智能 · 计算机科学 2024-08-20 Xiner Li , Limei Wang , Youzhi Luo , Carl Edwards , Shurui Gui , Yuchao Lin , Heng Ji , Shuiwang Ji

In data-driven drug discovery, designing molecular descriptors is a very important task. Deep generative models such as variational autoencoders (VAEs) offer a potential solution by designing descriptors as probabilistic latent vectors…

机器学习 · 计算机科学 2023-08-23 Daiki Koge , Naoaki Ono , Shigehiko Kanaya

The de novo generation of molecules with targeted properties is crucial in biology, chemistry, and drug discovery. Current generative models are limited to using single property values as conditions, struggling with complex customizations…

机器学习 · 计算机科学 2024-10-08 Yanchen Luo , Junfeng Fang , Sihang Li , Zhiyuan Liu , Jiancan Wu , An Zhang , Wenjie Du , Xiang Wang

The segmentation and tracking of living cells play a vital role within the biomedical domain, particularly in cancer research, drug development, and developmental biology. These are usually tedious and time-consuming tasks that are…

图像与视频处理 · 电气工程与系统科学 2024-03-27 Rüveyda Yilmaz , Dennis Eschweiler , Johannes Stegmaier

We study a fundamental problem in structure-based drug design -- generating molecules that bind to specific protein binding sites. While we have witnessed the great success of deep generative models in drug design, the existing methods are…

生物大分子 · 定量生物学 2022-11-15 Shitong Luo , Jiaqi Guan , Jianzhu Ma , Jian Peng

Generative modeling of three-dimensional (3D) molecules is a fundamental yet challenging problem in drug discovery and materials science. Existing approaches typically represent molecules as 3D graphs and co-generate discrete atom types…

机器学习 · 统计学 2026-03-16 Yuchen Hua , Xingang Peng , Jianzhu Ma , Muhan Zhang

Computational methods that operate on three-dimensional molecular structure have the potential to solve important questions in biology and chemistry. In particular, deep neural networks have gained significant attention, but their…

Network optimization is a fundamental challenge in the Internet of Things (IoT) network, often characterized by complex features that make it difficult to solve these problems. Recently, generative diffusion models (GDMs) have emerged as a…

In medical imaging, the diffusion models have shown great potential for synthetic image generation tasks. However, these approaches often lack the interpretable connections between the generated and real images and can create anatomically…

图像与视频处理 · 电气工程与系统科学 2026-02-12 Jian-Qing Zheng , Yuanhan Mo , Yang Sun , Jiahua Li , Fuping Wu , Ziyang Wang , Tonia Vincent , Bartłomiej W. Papież

Denoising diffusion probabilistic models (DDPMs) have achieved impressive performance on various image generation tasks, including image super-resolution. By learning to reverse the process of gradually diffusing the data distribution into…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Kai Zhao , Alex Ling Yu Hung , Kaifeng Pang , Haoxin Zheng , Kyunghyun Sung

Recent advancements in diffusion models have demonstrated significant success in unsupervised anomaly segmentation. For anomaly segmentation, these models are first trained on normal data; then, an anomalous image is noised to an…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Mehrdad Moradi , Kamran Paynabar

With the recent advances in machine learning for quantum chemistry, it is now possible to predict the chemical properties of compounds and to generate novel molecules. Existing generative models mostly use a string- or graph-based…

生物大分子 · 定量生物学 2020-10-14 Vitali Nesterov , Mario Wieser , Volker Roth

Free-form inpainting is the task of adding new content to an image in the regions specified by an arbitrary binary mask. Most existing approaches train for a certain distribution of masks, which limits their generalization capabilities to…

计算机视觉与模式识别 · 计算机科学 2022-09-01 Andreas Lugmayr , Martin Danelljan , Andres Romero , Fisher Yu , Radu Timofte , Luc Van Gool

Diffusion models have emerged as a popular family of deep generative models (DGMs). In the literature, it has been claimed that one class of diffusion models -- denoising diffusion probabilistic models (DDPMs) -- demonstrate superior image…

图像与视频处理 · 电气工程与系统科学 2023-09-20 Rucha Deshpande , Muzaffer Özbey , Hua Li , Mark A. Anastasio , Frank J. Brooks

Deep generative models have shown significant promise in generating valid 3D molecular structures, with the GEOM-Drugs dataset serving as a key benchmark. However, current evaluation protocols suffer from critical flaws, including incorrect…

机器学习 · 计算机科学 2025-05-19 Filipp Nikitin , Ian Dunn , David Ryan Koes , Olexandr Isayev

Effective molecular representation learning is of great importance to facilitate molecular property prediction, which is a fundamental task for the drug and material industry. Recent advances in graph neural networks (GNNs) have shown great…

机器学习 · 计算机科学 2022-05-17 Xiaomin Fang , Lihang Liu , Jieqiong Lei , Donglong He , Shanzhuo Zhang , Jingbo Zhou , Fan Wang , Hua Wu , Haifeng Wang