Search Results for author: Tara Akhound-Sadegh

Found 7 papers, 4 papers with code

Feynman-Kac Correctors in Diffusion: Annealing, Guidance, and Product of Experts

1 code implementation4 Mar 2025 Marta Skreta, Tara Akhound-Sadegh, Viktor Ohanesian, Roberto Bondesan, Alán Aspuru-Guzik, Arnaud Doucet, Rob Brekelmans, Alexander Tong, Kirill Neklyudov

While score-based generative models are the model of choice across diverse domains, there are limited tools available for controlling inference-time behavior in a principled manner, e. g. for composing multiple pretrained models.

Text to Image Generation Text-to-Image Generation

Symmetry-Aware Generative Modeling through Learned Canonicalization

no code implementations14 Jan 2025 Kusha Sareen, Daniel Levy, Arnab Kumar Mondal, Sékou-Oumar Kaba, Tara Akhound-Sadegh, Siamak Ravanbakhsh

Generative modeling of symmetric densities has a range of applications in AI for science, from drug discovery to physics simulations.

Drug Discovery

Sampling from Energy-based Policies using Diffusion

no code implementations2 Oct 2024 Vineet Jain, Tara Akhound-Sadegh, Siamak Ravanbakhsh

Energy-based policies offer a flexible framework for modeling complex, multimodal behaviors in reinforcement learning (RL).

continuous-control Continuous Control +1

Sequence-Augmented SE(3)-Flow Matching For Conditional Protein Backbone Generation

1 code implementation30 May 2024 Guillaume Huguet, James Vuckovic, Kilian Fatras, Eric Thibodeau-Laufer, Pablo Lemos, Riashat Islam, Cheng-Hao Liu, Jarrid Rector-Brooks, Tara Akhound-Sadegh, Michael Bronstein, Alexander Tong, Avishek Joey Bose

Proteins are essential for almost all biological processes and derive their diverse functions from complex 3D structures, which are in turn determined by their amino acid sequences.

Diversity Drug Design +3

Iterated Denoising Energy Matching for Sampling from Boltzmann Densities

1 code implementation9 Feb 2024 Tara Akhound-Sadegh, Jarrid Rector-Brooks, Avishek Joey Bose, Sarthak Mittal, Pablo Lemos, Cheng-Hao Liu, Marcin Sendera, Siamak Ravanbakhsh, Gauthier Gidel, Yoshua Bengio, Nikolay Malkin, Alexander Tong

Efficiently generating statistically independent samples from an unnormalized probability distribution, such as equilibrium samples of many-body systems, is a foundational problem in science.

Denoising Efficient Exploration

Lie Point Symmetry and Physics Informed Networks

no code implementations7 Nov 2023 Tara Akhound-Sadegh, Laurence Perreault-Levasseur, Johannes Brandstetter, Max Welling, Siamak Ravanbakhsh

Symmetries have been leveraged to improve the generalization of neural networks through different mechanisms from data augmentation to equivariant architectures.

Data Augmentation Inductive Bias

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