activity
20192025
most citedAsynchronous Decentralized SGD with Quantized and Local Updates

23 citations · 29 across the 7 of their papers we have counts for

collaborators

9 papers

cs.LG2025

Test-time scaling of diffusions with flow maps

Amirmojtaba Sabour, Michael S. Albergo, Carles Domingo-Enrich +4

A common recipe to improve diffusion models at test-time so that samples score highly against a user-specified reward is to introduce the gradient of the reward into the dynamics o…

cs.CV2025

Cosmos-Drive-Dreams: Scalable Synthetic Driving Data Generation with World Foundation Models

Xuanchi Ren, Yifan Lu, Tianshi Cao +13

Collecting and annotating real-world data for safety-critical physical AI systems, such as Autonomous Vehicle (AV), is time-consuming and costly. It is especially challenging to ca…

cs.CV2025

Align Your Flow: Scaling Continuous-Time Flow Map Distillation

Amirmojtaba Sabour, Sanja Fidler, Karsten Kreis

Diffusion- and flow-based models have emerged as state-of-the-art generative modeling approaches, but they require many sampling steps. Consistency models can distill these models…

cs.GR2025

VideoPanda: Video Panoramic Diffusion with Multi-view Attention

Kevin Xie, Amirmojtaba Sabour, Jiahui Huang +5

High resolution panoramic video content is paramount for immersive experiences in Virtual Reality, but is non-trivial to collect as it requires specialized equipment and intricate…

cs.CV2024★ 1 cited

Align Your Steps: Optimizing Sampling Schedules in Diffusion Models

Amirmojtaba Sabour, Sanja Fidler, Karsten Kreis

Diffusion models (DMs) have established themselves as the state-of-the-art generative modeling approach in the visual domain and beyond. A crucial drawback of DMs is their slow sam…

cs.CV2024

EmerDiff: Emerging Pixel-level Semantic Knowledge in Diffusion Models

Koichi Namekata, Amirmojtaba Sabour, Sanja Fidler +1

Diffusion models have recently received increasing research attention for their remarkable transfer abilities in semantic segmentation tasks. However, generating fine-grained segme…

cs.LG2021★ 5 cited

CCGG: A Deep Autoregressive Model for Class-Conditional Graph Generation

Yassaman Ommi, Matin Yousefabadi, Faezeh Faez +3

Graph data structures are fundamental for studying connected entities. With an increase in the number of applications where data is represented as graphs, the problem of graph gene…

cs.DS2020

Dynamic Averaging Load Balancing on Cycles

Dan Alistarh, Giorgi Nadiradze, Amirmojtaba Sabour

We consider the following dynamic load-balancing process: given an underlying graph with nodes, in each step , one unit of load is created, and placed at a randoml…

cs.LG2019★ 23 cited

Asynchronous Decentralized SGD with Quantized and Local Updates

Giorgi Nadiradze, Amirmojtaba Sabour, Peter Davies +2

Decentralized optimization is emerging as a viable alternative for scalable distributed machine learning, but also introduces new challenges in terms of synchronization costs. To t…