Search Results for author: Ali Abedi

Found 16 papers, 5 papers with code

Engagement Measurement Based on Facial Landmarks and Spatial-Temporal Graph Convolutional Networks

no code implementations25 Mar 2024 Ali Abedi, Shehroz S. Khan

It uses facial landmarks, which carry no personally identifiable information, extracted from videos via the MediaPipe deep learning solution.

Privacy Preserving Transfer Learning

Rehabilitation Exercise Quality Assessment through Supervised Contrastive Learning with Hard and Soft Negatives

no code implementations5 Mar 2024 Mark Karlov, Ali Abedi, Shehroz S. Khan

Exercise-based rehabilitation programs have proven to be effective in enhancing the quality of life and reducing mortality and rehospitalization rates.

Contrastive Learning

RFID-Assisted Indoor Localization Using Hybrid Wireless Data Fusion

no code implementations28 Jul 2023 Abouzar Ghavami, Ali Abedi

In this paper, a hybrid section-based indoor localization method using a developed Radio Frequency Identification (RFID) tracking device and multiple IoT wireless technologies is proposed.

Indoor Localization

Cross-Modal Video to Body-joints Augmentation for Rehabilitation Exercise Quality Assessment

no code implementations15 Jun 2023 Ali Abedi, Mobin Malmirian, Shehroz S. Khan

This paper introduces a novel approach to assessing the quality of rehabilitation exercises using RGB video.

Data Augmentation

Rehabilitation Exercise Repetition Segmentation and Counting using Skeletal Body Joints

1 code implementation19 Apr 2023 Ali Abedi, Paritosh Bisht, Riddhi Chatterjee, Rachit Agrawal, Vyom Sharma, Dinesh Babu Jayagopi, Shehroz S. Khan

This paper presents a novel approach for segmenting and counting the repetitions of rehabilitation exercises performed by patients, based on their skeletal body joints.

Multi-modal reward for visual relationships-based image captioning

no code implementations19 Mar 2023 Ali Abedi, Hossein Karshenas, Peyman Adibi

To take advantage of visual relationships in caption generation, this paper proposes a deep neural network architecture for image captioning based on fusing the visual relationships information extracted from an image's scene graph with the spatial feature maps of the image.

Caption Generation Image Captioning +4

Bag of States: A Non-sequential Approach to Video-based Engagement Measurement

no code implementations17 Jan 2023 Ali Abedi, Chinchu Thomas, Dinesh Babu Jayagopi, Shehroz S. Khan

Compared to the existing sequential and spatiotemporal approaches for engagement measurement, the proposed non-sequential approach improves the state-of-the-art results.

Step Counting with Attention-based LSTM

1 code implementation18 Nov 2022 Shehroz S. Khan, Ali Abedi

One measure of physical activity, the step count, is well known as a predictor of long-term morbidity and mortality.

Time Series Analysis

MAISON -- Multimodal AI-based Sensor platform for Older Individuals

no code implementations7 Nov 2022 Ali Abedi, Faranak Dayyani, Charlene Chu, Shehroz S. Khan

In this paper, we propose MAISON, a scalable cloud-based platform of commercially available smart devices capable of collecting desired multimodal sensor data from older adults and patients living in their own homes.

Supervised Contrastive Learning for Detecting Anomalous Driving Behaviours from Multimodal Videos

1 code implementation9 Sep 2021 Shehroz S. Khan, Ziting Shen, Haoying Sun, Ax Patel, Ali Abedi

We showed our results on a driver anomaly detection dataset that contains 783 minutes of video recordings of normal and anomalous driving behaviors of 31 drivers from the various top and front cameras (both depth and infrared).

Anomaly Detection Contrastive Learning

Affect-driven Ordinal Engagement Measurement from Video

no code implementations21 Jun 2021 Ali Abedi, Shehroz Khan

We evaluated the performance of the proposed method on the only two publicly available video engagement measurement datasets, DAiSEE and EmotiW-EW, containing videos of students in online learning programs.

Federated Learning Ordinal Classification

Improving state-of-the-art in Detecting Student Engagement with Resnet and TCN Hybrid Network

1 code implementation20 Apr 2021 Ali Abedi, Shehroz S. Khan

The 2D ResNet extracts spatial features from consecutive video frames, and the TCN analyzes the temporal changes in video frames to detect the level of engagement.

FedSL: Federated Split Learning on Distributed Sequential Data in Recurrent Neural Networks

1 code implementation6 Nov 2020 Ali Abedi, Shehroz S. Khan

Since the proposed framework is privacy-preserving, segments of multiple-segment sequential data cannot be shared between clients or between clients and server.

Federated Learning Privacy Preserving

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