activity
20132026
most citedReenact Anything: Semantic Video Motion Transfer Using Motion-Textual Inversion

5 citations · 11 across the 14 of their papers we have counts for

collaborators

16 papers

cs.CV2026

Reviving ConvNeXt for Efficient Convolutional Diffusion Models

Taesung Kwon, Lorenzo Bianchi, Lennart Wittke +5

Recent diffusion models increasingly favor Transformer backbones, motivated by the remarkable scalability of fully attentional architectures. Yet the locality bias, parameter effic…

cs.CV2025

HiGS: History-Guided Sampling for Plug-and-Play Enhancement of Diffusion Models

Seyedmorteza Sadat, Farnood Salehi, Romann M. Weber

While diffusion models have made remarkable progress in image generation, their outputs can still appear unrealistic and lack fine details, especially when using fewer number of ne…

cs.CV2025

HiWave: Training-Free High-Resolution Image Generation via Wavelet-Based Diffusion Sampling

Tobias Vontobel, Seyedmorteza Sadat, Farnood Salehi +1

Diffusion models have emerged as the leading approach for image synthesis, demonstrating exceptional photorealism and diversity. However, training diffusion models at high resoluti…

cs.LG2025

Guidance in the Frequency Domain Enables High-Fidelity Sampling at Low CFG Scales

Seyedmorteza Sadat, Tobias Vontobel, Farnood Salehi +1

Classifier-free guidance (CFG) has become an essential component of modern conditional diffusion models. Although highly effective in practice, the underlying mechanisms by which C…

cs.LG2024

Eliminating Oversaturation and Artifacts of High Guidance Scales in Diffusion Models

Seyedmorteza Sadat, Otmar Hilliges, Romann M. Weber

Classifier-free guidance (CFG) is crucial for improving both generation quality and alignment between the input condition and final output in diffusion models. While a high guidanc…

cs.CV2024★ 5 cited

Reenact Anything: Semantic Video Motion Transfer Using Motion-Textual Inversion

Manuel Kansy, Jacek Naruniec, Christopher Schroers +2

Recent years have seen a tremendous improvement in the quality of video generation and editing approaches. While several techniques focus on editing appearance, few address motion.…

cs.LG2024

No Training, No Problem: Rethinking Classifier-Free Guidance for Diffusion Models

Seyedmorteza Sadat, Manuel Kansy, Otmar Hilliges +1

Classifier-free guidance (CFG) has become the standard method for enhancing the quality of conditional diffusion models. However, employing CFG requires either training an uncondit…

cs.LG2024★ 1 cited

LiteVAE: Lightweight and Efficient Variational Autoencoders for Latent Diffusion Models

Seyedmorteza Sadat, Jakob Buhmann, Derek Bradley +2

Advances in latent diffusion models (LDMs) have revolutionized high-resolution image generation, but the design space of the autoencoder that is central to these systems remains un…

cs.CV2023★ 3 cited

CADS: Unleashing the Diversity of Diffusion Models through Condition-Annealed Sampling

Seyedmorteza Sadat, Jakob Buhmann, Derek Bradley +2

While conditional diffusion models are known to have good coverage of the data distribution, they still face limitations in output diversity, particularly when sampled with a high…

cs.LG2023

The Score-Difference Flow for Implicit Generative Modeling

Romann M. Weber

Implicit generative modeling (IGM) aims to produce samples of synthetic data matching the characteristics of a target data distribution. Recent work (e.g. score-matching networks,…

cs.CV2023

Controllable Inversion of Black-Box Face Recognition Models via Diffusion

Manuel Kansy, Anton Raël, Graziana Mignone +4

Face recognition models embed a face image into a low-dimensional identity vector containing abstract encodings of identity-specific facial features that allow individuals to be di…

cs.LG2021★ 1 cited

Exploiting the Hidden Tasks of GANs: Making Implicit Subproblems Explicit

Romann M. Weber

We present an alternative perspective on the training of generative adversarial networks (GANs), showing that the training step for a GAN generator decomposes into two implicit sub…

cs.SD2019

Spectrogram Feature Losses for Music Source Separation

Abhimanyu Sahai, Romann Weber, Brian McWilliams

In this paper we study deep learning-based music source separation, and explore using an alternative loss to the standard spectrogram pixel-level L2 loss for model training. Our ma…

stat.ML2018

Disentangled Dynamic Representations from Unordered Data

Leonhard Helminger, Abdelaziz Djelouah, Markus Gross +1

We present a deep generative model that learns disentangled static and dynamic representations of data from unordered input. Our approach exploits regularities in sequential data t…

cs.CV2018★ 1 cited

Unsupervised Deep Representations for Learning Audience Facial Behaviors

Suman Saha, Rajitha Navarathna, Leonhard Helminger +1

In this paper, we present an unsupervised learning approach for analyzing facial behavior based on a deep generative model combined with a convolutional neural network (CNN). We jo…

q-bio.NC2013

Beyond Spikes: Neural Codes and the Chemical Vocabulary of Cognition

Romann M. Weber

In this paper, I examine what I refer to as the spike doctrine, which is the generally held belief in neuroscience that information in the brain is encoded by sequences of neural a…