activity
20232026
most citedA Diffusion-Model of Joint Interactive Navigation

1 citations · 1 across the 10 of their papers we have counts for

collaborators

10 papers

cs.LG2026

Integration Matters: Rollout-Based Training for Constrained Diffusion Models

Xiaoxuan Liang, Saeid Naderiparizi, Berend Zwartsenberg +1

Constrained generative models aim to produce samples that satisfy complex feasibility constraints while remaining faithful to the data distribution. Existing constrained generation…

cs.LG2026

Improved Constrained Generation by Bridging Pretrained Generative Models

Xiaoxuan Liang, Saeid Naderiparizi, Yunpeng Liu +2

Constrained generative modeling is fundamental to applications such as robotic control and autonomous driving, where models must respect physical laws and safety-critical constrain…

cs.LG2025

Constrained Generative Modeling with Manually Bridged Diffusion Models

Saeid Naderiparizi, Xiaoxuan Liang, Berend Zwartsenberg +1

In this paper we describe a novel framework for diffusion-based generative modeling on constrained spaces. In particular, we introduce manual bridges, a framework that expands the…

cs.AI2024

TorchDriveEnv: A Reinforcement Learning Benchmark for Autonomous Driving with Reactive, Realistic, and Diverse Non-Playable Characters

Jonathan Wilder Lavington, Ke Zhang, Vasileios Lioutas +9

The training, testing, and deployment, of autonomous vehicles requires realistic and efficient simulators. Moreover, because of the high variability between different problems pres…

cs.CV2024

Semantically Consistent Video Inpainting with Conditional Diffusion Models

Dylan Green, William Harvey, Saeid Naderiparizi +10

Current state-of-the-art methods for video inpainting typically rely on optical flow or attention-based approaches to inpaint masked regions by propagating visual information acros…

cs.LG2024

Nearest Neighbour Score Estimators for Diffusion Generative Models

Matthew Niedoba, Dylan Green, Saeid Naderiparizi +9

Score function estimation is the cornerstone of both training and sampling from diffusion generative models. Despite this fact, the most commonly used estimators are either biased…

cs.LG2023★ 1 cited

A Diffusion-Model of Joint Interactive Navigation

Matthew Niedoba, Jonathan Wilder Lavington, Yunpeng Liu +8

Simulation of autonomous vehicle systems requires that simulated traffic participants exhibit diverse and realistic behaviors. The use of prerecorded real-world traffic scenarios i…

cs.LG2023

Don't be so negative! Score-based Generative Modeling with Oracle-assisted Guidance

Saeid Naderiparizi, Xiaoxuan Liang, Setareh Cohan +2

Score-based diffusion models are a powerful class of generative models, widely utilized across diverse domains. Despite significant advancements in large-scale tasks such as text-t…

cs.CV2023

Realistically distributing object placements in synthetic training data improves the performance of vision-based object detection models

Setareh Dabiri, Vasileios Lioutas, Berend Zwartsenberg +8

When training object detection models on synthetic data, it is important to make the distribution of synthetic data as close as possible to the distribution of real data. We invest…

cs.CV2023

Video Killed the HD-Map: Predicting Multi-Agent Behavior Directly From Aerial Images

Yunpeng Liu, Vasileios Lioutas, Jonathan Wilder Lavington +8

The development of algorithms that learn multi-agent behavioral models using human demonstrations has led to increasingly realistic simulations in the field of autonomous driving.…