Search Results for author: Hamed Tabkhi

Found 35 papers, 13 papers with code

PoseWatch: A Transformer-based Architecture for Human-centric Video Anomaly Detection Using Spatio-temporal Pose Tokenization

no code implementations27 Aug 2024 Ghazal Alinezhad Noghre, Armin Danesh Pazho, Hamed Tabkhi

Video Anomaly Detection (VAD) presents a significant challenge in computer vision, particularly due to the unpredictable and infrequent nature of anomalous events, coupled with the diverse and dynamic environments in which they occur.

Anomaly Detection Video Anomaly Detection

PHEVA: A Privacy-preserving Human-centric Video Anomaly Detection Dataset

1 code implementation26 Aug 2024 Ghazal Alinezhad Noghre, Shanle Yao, Armin Danesh Pazho, Babak Rahimi Ardabili, Vinit Katariya, Hamed Tabkhi

This study benchmarks state-of-the-art methods on PHEVA using a comprehensive set of metrics, including the 10% Error Rate (10ER), a metric used for anomaly detection for the first time providing insights relevant to real-world deployment.

Anomaly Detection Continual Learning +3

An Exploratory Study on Human-Centric Video Anomaly Detection through Variational Autoencoders and Trajectory Prediction

1 code implementation29 Apr 2024 Ghazal Alinezhad Noghre, Armin Danesh Pazho, Hamed Tabkhi

This paper introduces TSGAD, a novel human-centric Two-Stream Graph-Improved Anomaly Detection leveraging Variational Autoencoders (VAEs) and trajectory prediction.

Anomaly Detection Trajectory Prediction +1

Evaluating the Effectiveness of Video Anomaly Detection in the Wild: Online Learning and Inference for Real-world Deployment

no code implementations29 Apr 2024 Shanle Yao, Ghazal Alinezhad Noghre, Armin Danesh Pazho, Hamed Tabkhi

Video Anomaly Detection (VAD) identifies unusual activities in video streams, a key technology with broad applications ranging from surveillance to healthcare.

Anomaly Detection Video Anomaly Detection

Enhancing Automatic Modulation Recognition for IoT Applications Using Transformers

no code implementations8 Mar 2024 Narges Rashvand, Kenneth Witham, Gabriel Maldonado, Vinit Katariya, Nishanth Marer Prabhu, Gunar Schirner, Hamed Tabkhi

Automatic modulation recognition (AMR) is vital for accurately identifying modulation types within incoming signals, a critical task for optimizing operations within edge devices in IoT ecosystems.

Automatic Modulation Recognition Edge-computing

Expert with Clustering: Hierarchical Online Preference Learning Framework

no code implementations26 Jan 2024 Tianyue Zhou, Jung-Hoon Cho, Babak Rahimi Ardabili, Hamed Tabkhi, Cathy Wu

To the best of the authors knowledge, this is the first work to analyze the regret of an integrated expert algorithm with k-Means clustering.

Clustering

OCT-SelfNet: A Self-Supervised Framework with Multi-Modal Datasets for Generalized and Robust Retinal Disease Detection

no code implementations22 Jan 2024 Fatema-E Jannat, Sina Gholami, Minhaj Nur Alam, Hamed Tabkhi

Our method addresses the issue using a two-phase training approach that combines self-supervised pretraining and supervised fine-tuning with a mask autoencoder based on the SwinV2 backbone by providing a solution for real-world clinical deployment.

VegaEdge: Edge AI Confluence Anomaly Detection for Real-Time Highway IoT-Applications

no code implementations14 Nov 2023 Vinit Katariya, Fatema-E- Jannat, Armin Danesh Pazho, Ghazal Alinezhad Noghre, Hamed Tabkhi

On top of that, we present VegaEdge - a sophisticated AI confluence designed for real-time security and surveillance applications in modern highway settings through edge-centric IoT-embedded platforms equipped with our anomaly detection approach.

Anomaly Detection Trajectory Prediction

Real-Time Online Unsupervised Domain Adaptation for Real-World Person Re-identification

no code implementations6 Jun 2023 Christopher Neff, Armin Danesh Pazho, Hamed Tabkhi

This paper defines the setting of Real-world Real-time Online Unsupervised Domain Adaptation (R$^2$OUDA) for Person Re-identification.

Online unsupervised domain adaptation Person Re-Identification

Real-Time Bus Arrival Prediction: A Deep Learning Approach for Enhanced Urban Mobility

no code implementations27 Mar 2023 Narges Rashvand, Sanaz Sadat Hosseini, Mona Azarbayjani, Hamed Tabkhi

A prevalent challenge is the mismatch between actual bus arrival times and their scheduled counterparts, leading to disruptions in fixed schedules.

Real-World Community-in-the-Loop Smart Video Surveillance -- A Case Study at a Community College

no code implementations22 Mar 2023 Shanle Yao, Babak Rahimi Ardabili, Armin Danesh Pazho, Ghazal Alinezhad Noghre, Christopher Neff, Hamed Tabkhi

This paper presents a case study for designing and deploying smart video surveillance systems based on a real-world testbed at a community college.

A POV-based Highway Vehicle Trajectory Dataset and Prediction Architecture

2 code implementations10 Mar 2023 Vinit Katariya, Ghazal Alinezhad Noghre, Armin Danesh Pazho, Hamed Tabkhi

We introduce the \emph{Carolinas Highway Dataset (CHD\footnote{\emph{CHD} available at: \url{https://github. com/TeCSAR-UNCC/Carolinas\_Dataset}})}, a vehicle trajectory, detection, and tracking dataset.

Trajectory Prediction

Understanding the Challenges and Opportunities of Pose-based Anomaly Detection

no code implementations9 Mar 2023 Ghazal Alinezhad Noghre, Armin Danesh Pazho, Vinit Katariya, Hamed Tabkhi

In this work, we analyze and quantify the characteristics of two well-known video anomaly datasets to better understand the difficulties of pose-based anomaly detection.

Anomaly Detection Pose-based Anomaly Detection +1

Ancilia: Scalable Intelligent Video Surveillance for the Artificial Intelligence of Things

no code implementations9 Jan 2023 Armin Danesh Pazho, Christopher Neff, Ghazal Alinezhad Noghre, Babak Rahimi Ardabili, Shanle Yao, Mohammadreza Baharani, Hamed Tabkhi

With the advancement of vision-based artificial intelligence, the proliferation of the Internet of Things connected cameras, and the increasing societal need for rapid and equitable security, the demand for accurate real-time intelligent surveillance has never been higher.

CHAD: Charlotte Anomaly Dataset

1 code implementation19 Dec 2022 Armin Danesh Pazho, Ghazal Alinezhad Noghre, Babak Rahimi Ardabili, Christopher Neff, Hamed Tabkhi

In addition to frame-level anomaly labels, CHAD is the first anomaly dataset to include bounding box, identity, and pose annotations for each actor.

Anomaly Detection Video Anomaly Detection

Pishgu: Universal Path Prediction Network Architecture for Real-time Cyber-physical Edge Systems

1 code implementation14 Oct 2022 Ghazal Alinezhad Noghre, Vinit Katariya, Armin Danesh Pazho, Christopher Neff, Hamed Tabkhi

These real-world CPS applications need a robust, lightweight path prediction that can provide a universal network architecture for multiple subjects (e. g., pedestrians and vehicles) from different perspectives.

Autonomous Driving Pedestrian Trajectory Prediction +1

A Novel Fully Annotated Thermal Infrared Face Dataset: Recorded in Various Environment Conditions and Distances From The Camera

1 code implementation29 Apr 2022 Roshanak Ashrafi, Mona Azarbayjania, Hamed Tabkhi

Our dataset is the first publicly available thermal dataset annotated with the thermal sensation of each subject in different thermal conditions and one of the few datasets in raw 16-bit format.

Machine Learning-Based Automated Thermal Comfort Prediction: Integration of Low-Cost Thermal and Visual Cameras for Higher Accuracy

no code implementations14 Apr 2022 Roshanak Ashrafi, Mona Azarbayjani, Hamed Tabkhi

To that end, a real-time feedback system is needed to provide data about occupants' comfort conditions that can be used to control the building's heating, cooling, and air conditioning (HVAC) system.

ADG-Pose: Automated Dataset Generation for Real-World Human Pose Estimation

1 code implementation1 Feb 2022 Ghazal Alinezhad Noghre, Armin Danesh Pazho, Justin Sanchez, Nathan Hewitt, Christopher Neff, Hamed Tabkhi

Recent advancements in computer vision have seen a rise in the prominence of applications using neural networks to understand human poses.

Action Recognition Pose Estimation +1

DeepTrack: Lightweight Deep Learning for Vehicle Path Prediction in Highways

no code implementations1 Aug 2021 Vinit Katariya, Mohammadreza Baharani, Nichole Morris, Omidreza Shoghli, Hamed Tabkhi

Vehicle trajectory prediction is essential for enabling safety-critical intelligent transportation systems (ITS) applications used in management and operations.

Management Trajectory Prediction

ATCN: Resource-Efficient Processing of Time Series on Edge

1 code implementation10 Nov 2020 Mohammadreza Baharani, Hamed Tabkhi

This paper presents a scalable deep learning model called Agile Temporal Convolutional Network (ATCN) for high-accurate fast classification and time series prediction in resource-constrained embedded systems.

General Classification Heartbeat Classification +2

EfficientHRNet: Efficient Scaling for Lightweight High-Resolution Multi-Person Pose Estimation

2 code implementations16 Jul 2020 Christopher Neff, Aneri Sheth, Steven Furgurson, Hamed Tabkhi

The largest model is able to come within 4. 4% accuracy of the current state-of-the-art, while having 1/3 the model size and 1/6 the computation, achieving 23 FPS on Nvidia Jetson Xavier.

2D Human Pose Estimation Multi-Person Pose Estimation +1

REVAMP$^2$T: Real-time Edge Video Analytics for Multi-camera Privacy-aware Pedestrian Tracking

no code implementations20 Nov 2019 Christopher Neff, Matías Mendieta, Shrey Mohan, Mohammadreza Baharani, Samuel Rogers, Hamed Tabkhi

This article presents REVAMP$^2$T, Real-time Edge Video Analytics for Multi-camera Privacy-aware Pedestrian Tracking, as an integrated end-to-end IoT system for privacy-built-in decentralized situational awareness.

Real-time Person Re-identification at the Edge: A Mixed Precision Approach

1 code implementation19 Aug 2019 Mohammadreza Baharani, Shrey Mohan, Hamed Tabkhi

In this paper, we study the effect of using a light-weight model, MobileNet-v2 for re-ID and investigate the impact of single (FP32) precision versus half (FP16) precision for training on the server and inference on the edge nodes.

Person Re-Identification

Real-time Deep Learning at the Edge for Scalable Reliability Modeling of Si-MOSFET Power Electronics Converters

1 code implementation3 Aug 2019 Mohammadreza Baharani, Mehrdad Biglarbegian, Babak Parkhideh, Hamed Tabkhi

This article presents a transformative approach, named Deep Learning Reliability Awareness of Converters at the Edge (Deep RACE), for real-time reliability modeling and prediction of high-frequency MOSFET power electronic converters.

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