Search Results for author: Mehrdad Dianati

Found 19 papers, 10 papers with code

Run-time Monitoring of 3D Object Detection in Automated Driving Systems Using Early Layer Neural Activation Patterns

no code implementations11 Apr 2024 Hakan Yekta Yatbaz, Mehrdad Dianati, Konstantinos Koufos, Roger Woodman

To address the real-time operation requirements in ADS, we also introduce a novel introspection method that combines activation patterns from multiple layers of the detector's backbone and report its performance.

3D Object Detection Object +1

Taming Transformers for Realistic Lidar Point Cloud Generation

2 code implementations8 Apr 2024 Hamed Haghighi, Amir Samadi, Mehrdad Dianati, Valentina Donzella, Kurt Debattista

Diffusion Models (DMs) have achieved State-Of-The-Art (SOTA) results in the Lidar point cloud generation task, benefiting from their stable training and iterative refinement during sampling.

Denoising Point Cloud Generation

Benchmarking the Robustness of Panoptic Segmentation for Automated Driving

no code implementations23 Feb 2024 Yiting Wang, Haonan Zhao, Daniel Gummadi, Mehrdad Dianati, Kurt Debattista, Valentina Donzella

Motivated by such a need, this work proposes a unifying pipeline to assess the robustness of panoptic segmentation models for AAD, correlating it with traditional image quality.

Benchmarking Decision Making +3

Review of the Learning-based Camera and Lidar Simulation Methods for Autonomous Driving Systems

no code implementations29 Jan 2024 Hamed Haghighi, Xiaomeng Wang, Hao Jing, Mehrdad Dianati

This paper reviews the current state-of-the-art in learning-based sensor simulation methods and validation approaches, focusing on two main types of perception sensors: cameras and Lidars.

Autonomous Driving

Contrastive Learning-Based Framework for Sim-to-Real Mapping of Lidar Point Clouds in Autonomous Driving Systems

1 code implementation25 Dec 2023 Hamed Haghighi, Mehrdad Dianati, Kurt Debattista, Valentina Donzella

Motivated by this potential, this paper focuses on sim-to-real mapping of Lidar point clouds, a widely used perception sensor in automated driving systems.

Autonomous Driving Contrastive Learning +2

A Novel Deep Neural Network for Trajectory Prediction in Automated Vehicles Using Velocity Vector Field

1 code implementation19 Sep 2023 Mreza Alipour Sormoli, Amir Samadi, Sajjad Mozaffari, Konstantinos Koufos, Mehrdad Dianati, Roger Woodman

Anticipating the motion of other road users is crucial for automated driving systems (ADS), as it enables safe and informed downstream decision-making and motion planning.

Decision Making Motion Planning +2

SAFE: Saliency-Aware Counterfactual Explanations for DNN-based Automated Driving Systems

no code implementations28 Jul 2023 Amir Samadi, Amir Shirian, Konstantinos Koufos, Kurt Debattista, Mehrdad Dianati

A CF explainer identifies the minimum modifications in the input that would alter the model's output to its complement.

counterfactual

Trajectory Prediction with Observations of Variable-Length for Motion Planning in Highway Merging scenarios

1 code implementation8 Jun 2023 Sajjad Mozaffari, Mreza Alipour Sormoli, Konstantinos Koufos, Graham Lee, Mehrdad Dianati

In addition, we study the impact of the proposed prediction approach on motion planning and control tasks using extensive merging scenarios from the exiD dataset.

Motion Planning Trajectory Prediction

Interruption-Aware Cooperative Perception for V2X Communication-Aided Autonomous Driving

no code implementations24 Apr 2023 Shunli Ren, Zixing Lei, Zi Wang, Mehrdad Dianati, Yafei Wang, Siheng Chen, Wenjun Zhang

To achieve comprehensive recovery, we design a communication-adaptive multi-scale spatial-temporal prediction model to extract multi-scale spatial-temporal features based on V2X communication conditions and capture the most significant information for the prediction of the missing information.

Autonomous Driving Knowledge Distillation

Robust Collaborative 3D Object Detection in Presence of Pose Errors

1 code implementation14 Nov 2022 Yifan Lu, Quanhao Li, Baoan Liu, Mehrdad Dianati, Chen Feng, Siheng Chen, Yanfeng Wang

Collaborative 3D object detection exploits information exchange among multiple agents to enhance accuracy of object detection in presence of sensor impairments such as occlusion.

3D Object Detection Object +2

Prediction Based Decision Making for Autonomous Highway Driving

no code implementations5 Sep 2022 Mustafa Yıldırım, Sajjad Mozaffari, Luc McCutcheon, Mehrdad Dianati, Alireza Tamaddoni-Nezhad Saber Fallah

This paper proposes a Prediction-based Deep Reinforcement Learning (PDRL) decision-making model that considers the manoeuvre intentions of surrounding vehicles in the decision-making process for highway driving.

Autonomous Driving Decision Making +2

Fast and Robust Registration of Partially Overlapping Point Clouds

1 code implementation18 Dec 2021 Eduardo Arnold, Sajjad Mozaffari, Mehrdad Dianati

The proposed method achieves on-par performance with state-of-the-art methods on the KITTI dataset, and outperforms existing methods for low overlapping point clouds.

Autonomous Vehicles

Visual Sensor Pose Optimisation Using Visibility Models for Smart Cities

no code implementations9 Jun 2021 Eduardo Arnold, Sajjad Mozaffari, Mehrdad Dianati, Paul Jennings

Visual sensor networks are used for monitoring traffic in large cities and are promised to support automated driving in complex road segments.

Autonomous Driving object-detection +1

Deep Learning-based Vehicle Behaviour Prediction For Autonomous Driving Applications: A Review

no code implementations25 Dec 2019 Sajjad Mozaffari, Omar Y. Al-Jarrah, Mehrdad Dianati, Paul Jennings, Alexandros Mouzakitis

Motivated by this increased popularity, we provide a comprehensive review of the state-of-the-art of deep learning-based approaches for vehicle behaviour prediction in this paper.

Autonomous Driving

Cooperative Perception for 3D Object Detection in Driving Scenarios using Infrastructure Sensors

1 code implementation18 Dec 2019 Eduardo Arnold, Mehrdad Dianati, Robert de Temple, Saber Fallah

In contrast, the late fusion scheme fuses the independently detected bounding boxes from multiple spatially diverse sensors.

3D Object Detection object-detection

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