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RNA velocity is an important model that combines cellular spliced and unspliced RNA counts to infer dynamical properties of various regulatory functions. Despite its wide applicability and many variants used in practice, the model has not…

Dynamical Systems · Mathematics 2026-01-06 Boya Hou , Maxim Raginsky , Abhishek Pandey , Olgica Milenkovic

We introduce a new generative model that combines latent diffusion with persistent homology to create 3D shapes with high diversity, with a special emphasis on their topological characteristics. Our method involves representing 3D shapes as…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Jiangbei Hu , Ben Fei , Baixin Xu , Fei Hou , Weidong Yang , Shengfa Wang , Na Lei , Chen Qian , Ying He

We explore a framework for protein sequence representation learning that decomposes the task between manifold learning and distributional modelling. Specifically we present a Latent Space Diffusion architecture which combines a protein…

Machine Learning · Computer Science 2025-03-25 Eoin Quinn , Ghassene Jebali , Maxime Seince , Oliver Bent

To survive environmental conditions, cells transcribe their response activities into encoded mRNA sequences in order to produce certain amounts of protein concentrations. The external conditions are mapped into the cell through the…

Biological Physics · Physics 2017-10-26 Andrés F. López-Lopera , Mauricio A. Álvarez

Diffusion models and flow-matching models have enabled generating diverse and realistic images by learning to transfer noise to data. However, sampling from these models involves iterative denoising over many neural network passes, making…

Machine Learning · Computer Science 2025-06-24 Kevin Frans , Danijar Hafner , Sergey Levine , Pieter Abbeel

Understanding and predicting the progression of neurodegenerative diseases remains a major challenge in medical AI, with significant implications for early diagnosis, disease monitoring, and treatment planning. However, most available…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Nivetha Jayakumar , Swakshar Deb , Bahram Jafrasteh , Qingyu Zhao , Miaomiao Zhang

Due to limitations such as geographic, physical, or economic factors, collected seismic data often have missing traces. Traditional seismic data reconstruction methods face the challenge of selecting numerous empirical parameters and…

Geophysics · Physics 2026-01-09 Shuang Wang , Fei Deng , Peifan Jiang , Zezheng Ni , Bin Wang

Diffusion models have shown promise in text generation, but often struggle with generating long, coherent, and contextually accurate text. Token-level diffusion doesn't model word-order dependencies explicitly and operates on short, fixed…

Computation and Language · Computer Science 2025-05-27 Xiaochen Zhu , Georgi Karadzhov , Chenxi Whitehouse , Andreas Vlachos

Integrative biomolecular modeling of RNA relies on structural refined collections and accurate experimental data that reflect binding and folding behavior. However, the prediction of such collections remains challenging due to the rugged…

The advancements in generative modeling, particularly the advent of diffusion models, have sparked a fundamental question: how can these models be effectively used for discriminative tasks? In this work, we find that generative models can…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Mihir Prabhudesai , Tsung-Wei Ke , Alexander C. Li , Deepak Pathak , Katerina Fragkiadaki

Offline reinforcement learning (RL) holds promise as a means to learn high-reward policies from a static dataset, without the need for further environment interactions. However, a key challenge in offline RL lies in effectively stitching…

Machine Learning · Computer Science 2023-09-14 Siddarth Venkatraman , Shivesh Khaitan , Ravi Tej Akella , John Dolan , Jeff Schneider , Glen Berseth

Deep neural networks have brought remarkable breakthroughs in medical image analysis. However, due to their data-hungry nature, the modest dataset sizes in medical imaging projects might be hindering their full potential. Generating…

The most advanced diffusion models have recently adopted increasingly deep stacked networks (e.g., U-Net or Transformer) to promote the generative emergence capabilities of vision generation models similar to large language models (LLMs).…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zhiyuan Ma , Liangliang Zhao , Biqing Qi , Bowen Zhou

Image Super-Resolution is a fundamental problem in computer vision with broad applications spacing from medical imaging to satellite analysis. The ability to reconstruct high-resolution images from low-resolution inputs is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Luigi Sigillo , Christian Bianchi , Aurelio Uncini , Danilo Comminiello

Semantic communications mark a paradigm shift from bit-accurate transmission toward meaning-centric communication, essential as wireless systems approach theoretical capacity limits. The emergence of generative AI has catalyzed generative…

Signal Processing · Electrical Eng. & Systems 2026-05-08 Hai-Long Qin , Jincheng Dai , Guo Lu , Shuo Shao , Sixian Wang , Tongda Xu , Wenjun Zhang , Ping Zhang , Khaled B. Letaief

We present a framework for adapting a large pretrained latent diffusion model to high-resolution Synthetic Aperture Radar (SAR) image generation. The approach enables controllable synthesis and the creation of rare or out-of-distribution…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Solène Debuysère , Nicolas Trouvé , Nathan Letheule , Olivier Lévêque , Elise Colin

We introduce Diffusion Active Learning, a novel approach that combines generative diffusion modeling with data-driven sequential experimental design to adaptively acquire data for inverse problems. Although broadly applicable, we focus on…

Machine Learning · Computer Science 2025-04-07 Luis Barba , Johannes Kirschner , Tomas Aidukas , Manuel Guizar-Sicairos , Benjamín Béjar

Generating visual layouts is an essential ingredient of graphic design. The ability to condition layout generation on a partial subset of component attributes is critical to real-world applications that involve user interaction. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Elad Levi , Eli Brosh , Mykola Mykhailych , Meir Perez

Diffusion models excel at generation, but their latent spaces are high dimensional and not explicitly organized for interpretation or control. We introduce ConDA (Contrastive Diffusion Alignment), a plug-and-play geometry layer that applies…

We propose generative neural network methods to generate DNA sequences and tune them to have desired properties. We present three approaches: creating synthetic DNA sequences using a generative adversarial network; a DNA-based variant of…

Machine Learning · Computer Science 2017-12-19 Nathan Killoran , Leo J. Lee , Andrew Delong , David Duvenaud , Brendan J. Frey