Search Results for author: Abolfazl Razi

Found 25 papers, 6 papers with code

Enhanced Cooperative Perception for Autonomous Vehicles Using Imperfect Communication

no code implementations10 Apr 2024 Ahmad Sarlak, Hazim Alzorgan, Sayed Pedram Haeri Boroujeni, Abolfazl Razi, Rahul Amin

To validate our approach, we used the CARLA simulator to create a dataset of annotated videos for different driving scenarios where pedestrian detection is challenging for an AV with compromised vision.

object-detection Object Detection +1

VisionGPT: LLM-Assisted Real-Time Anomaly Detection for Safe Visual Navigation

1 code implementation19 Mar 2024 Hao Wang, Jiayou Qin, Ashish Bastola, Xiwen Chen, John Suchanek, Zihao Gong, Abolfazl Razi

This paper explores the potential of Large Language Models(LLMs) in zero-shot anomaly detection for safe visual navigation.

Anomaly Detection object-detection +5

FLAME Diffuser: Grounded Wildfire Image Synthesis using Mask Guided Diffusion

no code implementations6 Mar 2024 Hao Wang, Sayed Pedram Haeri Boroujeni, Xiwen Chen, Ashish Bastola, Huayu Li, Abolfazl Razi

Thus, our proposed framework can generate a massive dataset of that images are high-quality and ground truth-paired, which well addresses the needs of the annotated datasets in specific tasks.

Fire Detection Image Generation +2

Opinion Dynamics in Social Multiplex Networks with Mono and Bi-directional Interactions in the Presence of Leaders

no code implementations29 Jan 2024 Amirreza Talebi, Sayed Pedram Haeri Boroujeni, Abolfazl Razi

We further scrutinize the convergence rates of opinion dynamics in networks with one-way versus two-way interactions.

Driving Towards Inclusion: Revisiting In-Vehicle Interaction in Autonomous Vehicles

no code implementations26 Jan 2024 Ashish Bastola, Julian Brinkley, Hao Wang, Abolfazl Razi

This paper presents a comprehensive literature review of the current state of in-vehicle human-computer interaction (HCI) in the context of self-driving vehicles, with a specific focus on inclusion and accessibility.

Autonomous Vehicles

Enhancing Digital Hologram Reconstruction Using Reverse-Attention Loss for Untrained Physics-Driven Deep Learning Models with Uncertain Distance

no code implementations11 Jan 2024 Xiwen Chen, Hao Wang, Zhao Zhang, Zhenmin Li, Huayu Li, Tong Ye, Abolfazl Razi

Untrained Physics-based Deep Learning (DL) methods for digital holography have gained significant attention due to their benefits, such as not requiring an annotated training dataset, and providing interpretability since utilizing the governing laws of hologram formation.

SSIM

Actuator Trajectory Planning for UAVs with Overhead Manipulator using Reinforcement Learning

no code implementations24 Aug 2023 Hazim Alzorgan, Abolfazl Razi, Ata Jahangir Moshayedi

In this paper, we investigate the operation of an aerial manipulator system, namely an Unmanned Aerial Vehicle (UAV) equipped with a controllable arm with two degrees of freedom to carry out actuation tasks on the fly.

Motion Planning Navigate +3

Obscured Wildfire Flame Detection By Temporal Analysis of Smoke Patterns Captured by Unmanned Aerial Systems

no code implementations30 Jun 2023 Uma Meleti, Abolfazl Razi

This research paper addresses the challenge of detecting obscured wildfires (when the fire flames are covered by trees, smoke, clouds, and other natural barriers) in real-time using drones equipped only with RGB cameras.

Semantic Segmentation

Energy Optimization for HVAC Systems in Multi-VAV Open Offices: A Deep Reinforcement Learning Approach

2 code implementations23 Jun 2023 Hao Wang, Xiwen Chen, Natan Vital, Edward. Duffy, Abolfazl Razi

It takes only a total of 40 minutes for 5 epochs (about 7. 75 minutes per epoch) to train a network with superior performance and covering diverse conditions for its low-complexity architecture; therefore, it easily adapts to changes in the building setups, weather conditions, occupancy rate, etc.

energy management Total Energy

Learning on Bandwidth Constrained Multi-Source Data with MIMO-inspired DPP MAP Inference

no code implementations4 Jun 2023 Xiwen Chen, Huayu Li, Rahul Amin, Abolfazl Razi

A determinant-preserved sparse representation of selected samples is used to perform sample precoding in local sources to be processed by DPP.

RD-DPP: Rate-Distortion Theory Meets Determinantal Point Process to Diversify Learning Data Samples

no code implementations9 Apr 2023 Xiwen Chen, Huayu Li, Rahul Amin, Abolfazl Razi

However, the number of selected samples is restricted to the rank of the kernel matrix implied by the dimensionality of data samples.

Fast Key Points Detection and Matching for Tree-Structured Images

no code implementations7 Nov 2022 Hao Wang, Xiwen Chen, Abolfazl Razi, Rahul Amin

The proposed algorithm is applicable to a variety of tree-structured image matching, but our focus is on dendrites, recently-developed visual identifiers.

Graph Matching Key Point Matching

DH-GAN: A Physics-driven Untrained Generative Adversarial Network for 3D Microscopic Imaging using Digital Holography

no code implementations25 May 2022 Xiwen Chen, Hao Wang, Abolfazl Razi, Michael Kozicki, Christopher Mann

Digital holography is a 3D imaging technique by emitting a laser beam with a plane wavefront to an object and measuring the intensity of the diffracted waveform, called holograms.

Generative Adversarial Network

Deep Learning Serves Traffic Safety Analysis: A Forward-looking Review

no code implementations7 Mar 2022 Abolfazl Razi, Xiwen Chen, Huayu Li, Hao Wang, Brendan Russo, Yan Chen, Hongbin Yu

This paper explores Deep Learning (DL) methods that are used or have the potential to be used for traffic video analysis, emphasizing driving safety for both Autonomous Vehicles (AVs) and human-operated vehicles.

Anomaly Detection Autonomous Vehicles +5

Network-level Safety Metrics for Overall Traffic Safety Assessment: A Case Study

no code implementations27 Jan 2022 Xiwen Chen, Hao Wang, Abolfazl Razi, Brendan Russo, Jason Pacheco, John Roberts, Jeffrey Wishart, Larry Head, Alonso Granados Baca

To bridge these two perspectives, we define a new set of network-level safety metrics (NSM) to assess the overall safety profile of traffic flow by processing imagery taken by RSU cameras.

Autonomous Driving Edge-computing +1

Fully-echoed Q-routing with Simulated Annealing Inference for Flying Adhoc Networks

no code implementations23 Mar 2021 Arnau Rovira-Sugranes, Fatemeh Afghah, Junsuo Qu, Abolfazl Razi

Current networking protocols deem inefficient in accommodating the two key challenges of Unmanned Aerial Vehicle (UAV) networks, namely the network connectivity loss and energy limitations.

Aerial Imagery Pile burn detection using Deep Learning: the FLAME dataset

1 code implementation28 Dec 2020 Alireza Shamsoshoara, Fatemeh Afghah, Abolfazl Razi, Liming Zheng, Peter Z Fulé, Erik Blasch

FLAME (Fire Luminosity Airborne-based Machine learning Evaluation) offers a dataset of aerial images of fires along with methods for fire detection and segmentation which can help firefighters and researchers to develop optimal fire management strategies.

BIG-bench Machine Learning Binary Classification +2

Deep DIH : Statistically Inferred Reconstruction of Digital In-Line Holography by Deep Learning

1 code implementation25 Apr 2020 Huayu Li, Xiwen Chen, Haiyu Wu, Zaoyi Chi, Christopher Mann, Abolfazl Razi

Recently, end-to-end deep learning-based methods have been utilized to reconstruct the object wavefront (as a surrogate for the 3D structure of the object) directly from a single-shot in-line digital hologram.

An Autonomous Spectrum Management Scheme for Unmanned Aerial Vehicle Networks in Disaster Relief Operations

1 code implementation26 Nov 2019 Alireza Shamsoshoara, Fatemeh Afghah, Abolfazl Razi, Sajad Mousavi, Jonathan Ashdown, Kurt Turk

This paper studies the problem of spectrum shortage in an unmanned aerial vehicle (UAV) network during critical missions such as wildfire monitoring, search and rescue, and disaster monitoring.

Management

A Solution for Dynamic Spectrum Management in Mission-Critical UAV Networks

2 code implementations16 Apr 2019 Alireza Shamsoshoara, Mehrdad Khaledi, Fatemeh Afghah, Abolfazl Razi, Jonathan Ashdown, Kurt Turck

In this paper, we study the problem of spectrum scarcity in a network of unmanned aerial vehicles (UAVs) during mission-critical applications such as disaster monitoring and public safety missions, where the pre-allocated spectrum is not sufficient to offer a high data transmission rate for real-time video-streaming.

Management

A Unified Framework for Joint Mobility Prediction and Object Profiling of Drones in UAV Networks

no code implementations31 Jul 2018 Han Peng, Abolfazl Razi, Fatemeh Afghah, Jonathan Ashdown

In recent years, using a network of autonomous and cooperative unmanned aerial vehicles (UAVs) without command and communication from the ground station has become more imperative, in particular in search-and-rescue operations, disaster management, and other applications where human intervention is limited.

Management

A Shapley Value Solution to Game Theoretic-based Feature Reduction in False Alarm Detection

no code implementations5 Dec 2015 Fatemeh Afghah, Abolfazl Razi, Kayvan Najarian

False alarm is one of the main concerns in intensive care units and can result in care disruption, sleep deprivation, and insensitivity of care-givers to alarms.

General Classification

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