Search Results for author: Homayoun Najjaran

Found 23 papers, 2 papers with code

Condition Monitoring with Incomplete Data: An Integrated Variational Autoencoder and Distance Metric Framework

no code implementations8 Apr 2024 Maryam Ahang, Mostafa Abbasi, Todd Charter, Homayoun Najjaran

Condition monitoring of industrial systems is crucial for ensuring safety and maintenance planning, yet notable challenges arise in real-world settings due to the limited or non-existent availability of fault samples.

Descriptive Fault Detection +1

Vision Transformers in Domain Adaptation and Generalization: A Study of Robustness

no code implementations5 Apr 2024 Shadi Alijani, Jamil Fayyad, Homayoun Najjaran

Motivated by the increased interest from the research community, our paper investigates the deployment of vision transformers in domain adaptation and domain generalization scenarios.

Data Augmentation Domain Generalization +1

Ego-Motion Aware Target Prediction Module for Robust Multi-Object Tracking

1 code implementation3 Apr 2024 Navid Mahdian, Mohammad Jani, Amir M. Soufi Enayati, Homayoun Najjaran

Conventional prediction methods in DBT utilize Kalman Filter(KF) to extrapolate the target location in the upcoming frames by supposing a constant velocity motion model.

Autonomous Driving Multi-Object Tracking +1

Extended Reality for Enhanced Human-Robot Collaboration: a Human-in-the-Loop Approach

no code implementations21 Mar 2024 Yehor Karpichev, Todd Charter, Homayoun Najjaran

The rise of automation has provided an opportunity to achieve higher efficiency in manufacturing processes, yet it often compromises the flexibility required to promptly respond to evolving market needs and meet the demand for customization.

A mathematical model for simultaneous personnel shift planning and unrelated parallel machine scheduling

no code implementations24 Feb 2024 Maziyar Khadivi, Mostafa Abbasi, Todd Charter, Homayoun Najjaran

This paper addresses a production scheduling problem derived from an industrial use case, focusing on unrelated parallel machine scheduling with the personnel availability constraint.

Decision Making Scheduling

Safety Optimized Reinforcement Learning via Multi-Objective Policy Optimization

no code implementations23 Feb 2024 Homayoun Honari, Mehran Ghafarian Tamizi, Homayoun Najjaran

The advantage of the Safety Optimized RL (SORL) algorithm compared to the traditional Safe RL algorithms is that it omits the need to constrain the policy search space.

Decision Making reinforcement-learning +1

Intelligent Condition Monitoring of Industrial Plants: An Overview of Methodologies and Uncertainty Management Strategies

no code implementations3 Jan 2024 Maryam Ahang, Todd Charter, Oluwaseyi Ogunfowora, Maziyar Khadivi, Mostafa Abbasi, Homayoun Najjaran

This paper provides an overview of intelligent condition monitoring and fault detection and diagnosis methods for industrial plants with a focus on the open-source benchmark Tennessee Eastman Process (TEP).

Fault Detection Management

Empirical Validation of Conformal Prediction for Trustworthy Skin Lesions Classification

no code implementations12 Dec 2023 Jamil Fayyad, Shadi Alijani, Homayoun Najjaran

The objective of this paper is to study Conformal Prediction, an emerging distribution-free uncertainty quantification technique, and provide a comprehensive understanding of the advantages and limitations inherent in various methods within the medical imaging field.

Conformal Prediction Decision Making +3

Gap and Overlap Detection in Automated Fiber Placement

no code implementations1 Sep 2023 Assef Ghamisi, Homayoun Najjaran

The identification and correction of manufacturing defects, particularly gaps and overlaps, are crucial for ensuring high-quality composite parts produced through Automated Fiber Placement (AFP).

Defect Detection

A Transformer-based Framework For Multi-variate Time Series: A Remaining Useful Life Prediction Use Case

no code implementations19 Aug 2023 Oluwaseyi Ogunfowora, Homayoun Najjaran

This work proposed an encoder-transformer architecture-based framework for multivariate time series prediction for a prognostics use case.

Time Series Time Series Prediction

Learning Team-Based Navigation: A Review of Deep Reinforcement Learning Techniques for Multi-Agent Pathfinding

no code implementations11 Aug 2023 Jaehoon Chung, Jamil Fayyad, Younes Al Younes, Homayoun Najjaran

Our objective is to assist readers in gaining insight into the current research direction, providing unified metrics for comparing different MAPF algorithms and expanding their knowledge of model-based DRL to address the existing challenges in MAPF.

Using Implicit Behavior Cloning and Dynamic Movement Primitive to Facilitate Reinforcement Learning for Robot Motion Planning

no code implementations29 Jul 2023 Zengjie Zhang, Jayden Hong, Amir Soufi Enayati, Homayoun Najjaran

Reinforcement learning (RL) for motion planning of multi-degree-of-freedom robots still suffers from low efficiency in terms of slow training speed and poor generalizability.

Motion Planning Reinforcement Learning (RL)

Model Compression Methods for YOLOv5: A Review

no code implementations21 Jul 2023 Mohammad Jani, Jamil Fayyad, Younes Al-Younes, Homayoun Najjaran

This paper targets those interested in the practical deployment of model compression methods on YOLOv5, and in exploring different compression techniques that can be used for subsequent versions of YOLO.

Knowledge Distillation Network Pruning +2

Systematic Adaptation of Communication-focused Machine Learning Models from Real to Virtual Environments for Human-Robot Collaboration

no code implementations21 Jul 2023 Debasmita Mukherjee, Ritwik Singhai, Homayoun Najjaran

Hand gestures recognition which has been a topic of much research and subsequent commercialization in the real world has been possible because of the creation of large, labelled datasets.

Bag of Views: An Appearance-based Approach to Next-Best-View Planning for 3D Reconstruction

1 code implementation11 Jul 2023 Sara Hatami Gazani, Matthew Tucsok, Iraj Mantegh, Homayoun Najjaran

UAV-based intelligent data acquisition for 3D reconstruction and monitoring of infrastructure has experienced an increasing surge of interest due to recent advancements in image processing and deep learning-based techniques.

3D Reconstruction

Reinforcement and Deep Reinforcement Learning-based Solutions for Machine Maintenance Planning, Scheduling Policies, and Optimization

no code implementations7 Jul 2023 Oluwaseyi Ogunfowora, Homayoun Najjaran

Adopted methodologies, findings, and well-defined interpretations of the reviewed studies were summarized in graphical and tabular representations to maximize the utility of the work for both researchers and practitioners.

Decision Making reinforcement-learning +1

Object Semantics Give Us the Depth We Need: Multi-task Approach to Aerial Depth Completion

no code implementations25 Apr 2023 Sara Hatami Gazani, Fardad Dadboud, Miodrag Bolic, Iraj Mantegh, Homayoun Najjaran

Depth completion and object detection are two crucial tasks often used for aerial 3D mapping, path planning, and collision avoidance of Uncrewed Aerial Vehicles (UAVs).

Collision Avoidance Decision Making +5

Facilitating Sim-to-real by Intrinsic Stochasticity of Real-Time Simulation in Reinforcement Learning for Robot Manipulation

no code implementations12 Apr 2023 Ram Dershan, Amir M. Soufi Enayati, Zengjie Zhang, Dean Richert, Homayoun Najjaran

Simulation is essential to reinforcement learning (RL) before implementation in the real world, especially for safety-critical applications like robot manipulation.

Reinforcement Learning (RL) Robot Manipulation

Exploiting Symmetry and Heuristic Demonstrations in Off-policy Reinforcement Learning for Robotic Manipulation

no code implementations12 Apr 2023 Amir M. Soufi Enayati, Zengjie Zhang, Kashish Gupta, Homayoun Najjaran

A comparison study between the proposed method and a traditional off-policy reinforcement learning algorithm indicates its advantage in learning performance and potential value for applications.

reinforcement-learning Robot Manipulation

Human-Robot Skill Transfer with Enhanced Compliance via Dynamic Movement Primitives

no code implementations12 Apr 2023 Jayden Hong, Zengjie Zhang, Amir M. Soufi Enayati, Homayoun Najjaran

Our contribution is introducing a systematic method to extract the dynamic features from human demonstration to auto-tune the parameters in the DMP framework.

Reinforcement Learning (RL) Trajectory Planning

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