Search Results for author: Homa Alemzadeh

Found 13 papers, 7 papers with code

Real-Time Multimodal Cognitive Assistant for Emergency Medical Services

1 code implementation11 Mar 2024 Keshara Weerasinghe, Saahith Janapati, Xueren Ge, Sion Kim, Sneha Iyer, John A. Stankovic, Homa Alemzadeh

Emergency Medical Services (EMS) responders often operate under time-sensitive conditions, facing cognitive overload and inherent risks, requiring essential skills in critical thinking and rapid decision-making.

Action Recognition Edge-computing +2

Camera-Independent Single Image Depth Estimation from Defocus Blur

1 code implementation21 Nov 2023 Lahiru Wijayasingha, Homa Alemzadeh, John A. Stankovic

We created a synthetic dataset which can be used to test the camera independent performance of depth from defocus blur models.

Monocular Depth Estimation

KnowSafe: Combined Knowledge and Data Driven Hazard Mitigation in Artificial Pancreas Systems

no code implementations13 Nov 2023 Xugui Zhou, Maxfield Kouzel, Chloe Smith, Homa Alemzadeh

Significant progress has been made in anomaly detection and run-time monitoring to improve the safety and security of cyber-physical systems (CPS).

Anomaly Detection

DKEC: Domain Knowledge Enhanced Multi-Label Classification for Electronic Health Records

1 code implementation10 Oct 2023 Xueren Ge, Ronald Dean Williams, John A. Stankovic, Homa Alemzadeh

Multi-label text classification (MLTC) tasks in the medical domain often face long-tail label distribution, where rare classes have fewer training samples than frequent classes.

Medical Diagnosis Multi-Label Classification +3

Robotic Scene Segmentation with Memory Network for Runtime Surgical Context Inference

1 code implementation24 Aug 2023 Zongyu Li, Ian Reyes, Homa Alemzadeh

However, runtime context inference is challenging since it requires timely and accurate detection of the interactions among the tools and objects in the surgical scene based on the segmentation of video data.

Scene Segmentation Segmentation +2

Runtime Stealthy Perception Attacks against DNN-based Adaptive Cruise Control Systems

no code implementations18 Jul 2023 Xugui Zhou, Anqi Chen, Maxfield Kouzel, Haotian Ren, Morgan McCarty, Cristina Nita-Rotaru, Homa Alemzadeh

Adaptive Cruise Control (ACC) is a widely used driver assistance technology for maintaining the desired speed and safe distance to the leading vehicle.

Short: Basal-Adjust: Trend Prediction Alerts and Adjusted Basal Rates for Hyperglycemia Prevention

no code implementations16 Mar 2023 Chloe Smith, Maxfield Kouzel, Xugui Zhou, Homa Alemzadeh

Significant advancements in type 1 diabetes treatment have been made in the development of state-of-the-art Artificial Pancreas Systems (APS).

Towards Surgical Context Inference and Translation to Gestures

1 code implementation28 Feb 2023 Kay Hutchinson, Zongyu Li, Ian Reyes, Homa Alemzadeh

We evaluate the performance of each stage of our method by comparing the results with the ground truth segmentation masks, the consensus context labels, and the gesture labels in the JIGSAWS dataset.

Image Segmentation Scene Segmentation +2

Towards Developing Safety Assurance Cases for Learning-Enabled Medical Cyber-Physical Systems

no code implementations23 Nov 2022 Maryam Bagheri, Josephine Lamp, Xugui Zhou, Lu Feng, Homa Alemzadeh

In this paper, we develop a safety assurance case for ML controllers in learning-enabled MCPS, with an emphasis on establishing confidence in the ML-based predictions.

Robustness Testing of Data and Knowledge Driven Anomaly Detection in Cyber-Physical Systems

no code implementations20 Apr 2022 Xugui Zhou, Maxfield Kouzel, Homa Alemzadeh

The growing complexity of Cyber-Physical Systems (CPS) and challenges in ensuring safety and security have led to the increasing use of deep learning methods for accurate and scalable anomaly detection.

Anomaly Detection Image Classification +3

Runtime Detection of Executional Errors in Robot-Assisted Surgery

1 code implementation1 Mar 2022 Zongyu Li, Kay Hutchinson, Homa Alemzadeh

These Siamese networks also outperform gesture nonspecific task specific Siamese-CNN and Siamese-LSTM models for Suturing and Needle Passing.

Data-driven Design of Context-aware Monitors for Hazard Prediction in Artificial Pancreas Systems

2 code implementations6 Apr 2021 Xugui Zhou, Bulbul Ahmed, James H. Aylor, Philip Asare, Homa Alemzadeh

Medical Cyber-physical Systems (MCPS) are vulnerable to accidental or malicious faults that can target their controllers and cause safety hazards and harm to patients.

On the Safety of Machine Learning: Cyber-Physical Systems, Decision Sciences, and Data Products

no code implementations5 Oct 2016 Kush R. Varshney, Homa Alemzadeh

Machine learning algorithms increasingly influence our decisions and interact with us in all parts of our daily lives.

BIG-bench Machine Learning

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