activity
20192025
most citedClassification of Hand Movements from EEG using a Deep Attention-based LSTM Network

205 citations · 759 across the 46 of their papers we have counts for

collaborators

48 papers

cs.LG2025

Learning Time-Series Representations by Hierarchical Uniformity-Tolerance Latent Balancing

Amin Jalali, Milad Soltany, Michael Greenspan +1

We propose TimeHUT, a novel method for learning time-series representations by hierarchical uniformity-tolerance balancing of contrastive representations. Our method uses two disti…

cs.CV2025

PRISM: Reducing Spurious Implicit Biases in Vision-Language Models with LLM-Guided Embedding Projection

Mahdiyar Molahasani, Azadeh Motamedi, Michael Greenspan +2

We introduce Projection-based Reduction of Implicit Spurious bias in vision-language Models (PRISM), a new data-free and task-agnostic solution for bias mitigation in VLMs like CLI…

cs.CV2024

Socially-Informed Reconstruction for Pedestrian Trajectory Forecasting

Haleh Damirchi, Ali Etemad, Michael Greenspan

Pedestrian trajectory prediction remains a challenge for autonomous systems, particularly due to the intricate dynamics of social interactions. Accurate forecasting requires a comp…

cs.LG2024

Federated Domain Generalization with Label Smoothing and Balanced Decentralized Training

Milad Soltany, Farhad Pourpanah, Mahdiyar Molahasani +2

In this paper, we propose a novel approach, Federated Domain Generalization with Label Smoothing and Balanced Decentralized Training (FedSB), to address the challenges of data hete…

cs.CV2024

CycleCrash: A Dataset of Bicycle Collision Videos for Collision Prediction and Analysis

Nishq Poorav Desai, Ali Etemad, Michael Greenspan

Self-driving research often underrepresents cyclist collisions and safety. To address this, we present CycleCrash, a novel dataset consisting of 3,000 dashcam videos with 436,347 f…

eess.SP2024

NapTune: Efficient Model Tuning for Mood Classification using Previous Night's Sleep Measures along with Wearable Time-series

Debaditya Shome, Nasim Montazeri Ghahjaverestan, Ali Etemad

Sleep is known to be a key factor in emotional regulation and overall mental health. In this study, we explore the integration of sleep measures from the previous night into wearab…

cs.LG2024

Federated Unsupervised Domain Generalization using Global and Local Alignment of Gradients

Farhad Pourpanah, Mahdiyar Molahasani, Milad Soltany +2

We address the problem of federated domain generalization in an unsupervised setting for the first time. We first theoretically establish a connection between domain shift and alig…

cs.CV2023★ 1 cited

Remote Heart Rate Monitoring in Smart Environments from Videos with Self-supervised Pre-training

Divij Gupta, Ali Etemad

Recent advances in deep learning have made it increasingly feasible to estimate heart rate remotely in smart environments by analyzing videos. However, a notable limitation of deep…

cs.CV2023★ 2 cited

Diffusion Models with Deterministic Normalizing Flow Priors

Mohsen Zand, Ali Etemad, Michael Greenspan

For faster sampling and higher sample quality, we propose DiNof (ffusion with rmalizing low priors), a technique that makes use of normalizing…

cs.CV2023

Multiscale Residual Learning of Graph Convolutional Sequence Chunks for Human Motion Prediction

Mohsen Zand, Ali Etemad, Michael Greenspan

A new method is proposed for human motion prediction by learning temporal and spatial dependencies. Recently, multiscale graphs have been developed to model the human body at highe…

cs.LG2023★ 1 cited

EEG-based Cognitive Load Classification using Feature Masked Autoencoding and Emotion Transfer Learning

Dustin Pulver, Prithila Angkan, Paul Hungler +1

Cognitive load, the amount of mental effort required for task completion, plays an important role in performance and decision-making outcomes, making its classification and analysi…

cs.CV2023★ 1 cited

Context-aware Pedestrian Trajectory Prediction with Multimodal Transformer

Haleh Damirchi, Michael Greenspan, Ali Etemad

We propose a novel solution for predicting future trajectories of pedestrians. Our method uses a multimodal encoder-decoder transformer architecture, which takes as input both pede…

cs.CV2023

Continual Learning for Out-of-Distribution Pedestrian Detection

Mahdiyar Molahasani, Ali Etemad, Michael Greenspan

A continual learning solution is proposed to address the out-of-distribution generalization problem for pedestrian detection. While recent pedestrian detection models have achieved…

cs.CV2023

Toward Fair Facial Expression Recognition with Improved Distribution Alignment

Mojtaba Kolahdouzi, Ali Etemad

We present a novel approach to mitigate bias in facial expression recognition (FER) models. Our method aims to reduce sensitive attribute information such as gender, age, or race,…

cs.LG2023★ 3 cited

On The Relationship Between Continual Learning and Long-Tailed Recognition

Mahdiyar Molahasani, Michael Greenspan, Ali Etemad

Real-world datasets often exhibit long-tailed distributions, where a few dominant "Head" classes have abundant samples while most "Tail" classes are severely underrepresented, lead…

cs.CV2023

Privacy-Preserving Remote Heart Rate Estimation from Facial Videos

Divij Gupta, Ali Etemad

Remote Photoplethysmography (rPPG) is the process of estimating PPG from facial videos. While this approach benefits from contactless interaction, it is reliant on videos of faces,…

cs.LG2023★ 27 cited

In-Distribution and Out-of-Distribution Self-supervised ECG Representation Learning for Arrhythmia Detection

Sahar Soltanieh, Javad Hashemi, Ali Etemad

This paper presents a systematic investigation into the effectiveness of Self-Supervised Learning (SSL) methods for Electrocardiogram (ECG) arrhythmia detection. We begin by conduc…

cs.LG2023★ 57 cited

Multimodal Brain-Computer Interface for In-Vehicle Driver Cognitive Load Measurement: Dataset and Baselines

Prithila Angkan, Behnam Behinaein, Zunayed Mahmud +4

Through this paper, we introduce a novel driver cognitive load assessment dataset, CL-Drive, which contains Electroencephalogram (EEG) signals along with other physiological signal…

cs.CV2023★ 1 cited

Partial Label Learning for Emotion Recognition from EEG

Guangyi Zhang, Ali Etemad

Fully supervised learning has recently achieved promising performance in various electroencephalography (EEG) learning tasks by training on large datasets with ground truth labels.…

cs.CV2022★ 3 cited

FaceTopoNet: Facial Expression Recognition using Face Topology Learning

Mojtaba Kolahdouzi, Alireza Sepas-Moghaddam, Ali Etemad

Prior work has shown that the order in which different components of the face are learned using a sequential learner can play an important role in the performance of facial express…

eess.SP2022★ 1 cited

Self-Supervised Human Activity Recognition with Localized Time-Frequency Contrastive Representation Learning

Setareh Rahimi Taghanaki, Michael Rainbow, Ali Etemad

In this paper, we propose a self-supervised learning solution for human activity recognition with smartphone accelerometer data. We aim to develop a model that learns strong repres…

eess.SP2022★ 17 cited

Multimodal Estimation of End Point Force During Quasi-dynamic and Dynamic Muscle Contractions Using Deep Learning

Gelareh Hajian, Evelyn Morin, Ali Etemad

Accurate force/torque estimation is essential for applications such as powered exoskeletons, robotics, and rehabilitation. However, force/torque estimation under dynamic conditions…

cs.CV2022★ 2 cited

ObjectBox: From Centers to Boxes for Anchor-Free Object Detection

Mohsen Zand, Ali Etemad, Michael Greenspan

We present ObjectBox, a novel single-stage anchor-free and highly generalizable object detection approach. As opposed to both existing anchor-based and anchor-free detectors, which…

cs.CV2022★ 1 cited

Learning Sequential Contexts using Transformer for 3D Hand Pose Estimation

Leyla Khaleghi, Joshua Marshall, Ali Etemad

3D hand pose estimation (HPE) is the process of locating the joints of the hand in 3D from any visual input. HPE has recently received an increased amount of attention due to its k…