Search Results for author: Reza Arablouei

Found 18 papers, 3 papers with code

Distributed Maximum Consensus over Noisy Links

no code implementations27 Mar 2024 Ehsan Lari, Reza Arablouei, Naveen K. D. Venkategowda, Stefan Werner

We introduce a distributed algorithm, termed noise-robust distributed maximum consensus (RD-MC), for estimating the maximum value within a multi-agent network in the presence of noisy communication links.

Distributed Optimization

Privacy-Preserving Distributed Nonnegative Matrix Factorization

no code implementations27 Mar 2024 Ehsan Lari, Reza Arablouei, Stefan Werner

To address this, we propose a privacy-preserving algorithm for fully-distributed NMF that decomposes a distributed large data matrix into left and right matrix factors while safeguarding each agent's local data privacy.

Privacy Preserving

Analyzing the Impact of Partial Sharing on the Resilience of Online Federated Learning Against Model Poisoning Attacks

no code implementations19 Mar 2024 Ehsan Lari, Vinay Chakravarthi Gogineni, Reza Arablouei, Stefan Werner

PSO-Fed reduces the communication load by enabling clients to exchange only a fraction of their model estimates with the server at each update round.

Federated Learning Model Poisoning

IoT Data Trust Evaluation via Machine Learning

1 code implementation15 Aug 2023 Timothy Tadj, Reza Arablouei, Volkan Dedeoglu

These features can be used to learn ML models for recognizing the trustworthiness of IoT sensor data.

Benchmarking Time Series

CVB: A Video Dataset of Cattle Visual Behaviors

no code implementations26 May 2023 Ali Zia, Renuka Sharma, Reza Arablouei, Greg Bishop-hurley, Jody McNally, Neil Bagnall, Vivien Rolland, Brano Kusy, Lars Petersson, Aaron Ingham

Therefore, we introduce a new dataset, called Cattle Visual Behaviors (CVB), that consists of 502 video clips, each fifteen seconds long, captured in natural lighting conditions, and annotated with eleven visually perceptible behaviors of grazing cattle.

Action Recognition

In-situ animal behavior classification using knowledge distillation and fixed-point quantization

no code implementations9 Sep 2022 Reza Arablouei, Liang Wang, Caitlin Phillips, Lachlan Currie, Jordan Yates, Greg Bishop-hurley

The evaluation results using two real-world animal behavior classification datasets show that the classification accuracy of the student GRU-MLP models improves appreciably through KD, approaching that of the teacher ResNet model.

Classification Knowledge Distillation +4

Decentralized Optimization with Distributed Features and Non-Smooth Objective Functions

no code implementations23 Aug 2022 Cristiano Gratton, Naveen K. D. Venkategowda, Reza Arablouei, Stefan Werner

We develop a new consensus-based distributed algorithm for solving learning problems with feature partitioning and non-smooth convex objective functions.

Distributed Optimization

Multimodal sensor data fusion for in-situ classification of animal behavior using accelerometry and GNSS data

1 code implementation24 Jun 2022 Reza Arablouei, Ziwei Wang, Greg J. Bishop-Hurley, Jiajun Liu

However, the multimodal animal behavior classification algorithm based on posterior probability fusion is preferable to the one based on feature concatenation as it delivers better classification accuracy, has less computational and memory complexity, is more robust to sensor data failure, and enjoys better modularity.

Classification

Animal behavior classification via deep learning on embedded systems

no code implementations24 Nov 2021 Reza Arablouei, Liang Wang, Lachlan Currie, Jordan Yates, Flavio A. P. Alvarenga, Greg J. Bishop-Hurley

We develop an end-to-end deep-neural-network-based algorithm for classifying animal behavior using accelerometry data on the embedded system of an artificial intelligence of things (AIoT) device installed in a wearable collar tag.

Classification TAG +3

Animal Behavior Classification via Accelerometry Data and Recurrent Neural Networks

no code implementations24 Nov 2021 Liang Wang, Reza Arablouei, Flavio A. P. Alvarenga, Greg J. Bishop-Hurley

We study the classification of animal behavior using accelerometry data through various recurrent neural network (RNN) models.

Classification Time Series +2

Clustering-based Joint Channel Estimation and Signal Detection for Grant-free NOMA

no code implementations7 Oct 2020 Ayoob Salari, Mahyar Shirvanimoghaddam, Muhammad Basit Shahab, Reza Arablouei, Sarah Johnson

Since the accuracy of the utilized clustering algorithm depends on the number of the data points available at the receiver, the proposed technique delivers a tradeoff between the accuracy and block length.

Clustering

Fusing Multiple Multiband Images

1 code implementation13 Dec 2017 Reza Arablouei

We use the well-known forward observation and linear mixture models with Gaussian perturbations to formulate the maximum-likelihood estimator of the endmember abundance matrix of the fused image.

Infrared And Visible Image Fusion

Fast and robust pushbroom hyperspectral imaging via DMD-based scanning

no code implementations1 Aug 2016 Reza Arablouei, Ethan Goan, Stephen Gensemer, Branislav Kusy

Using the image sensor pair, the device can simultaneously capture hyperspectral data as well as RGB images of the scene.

Hyperspectral Image Recovery via Hybrid Regularization

no code implementations9 Nov 2015 Reza Arablouei, Frank de Hoog

Numerical simulations using real hyperspectral images exhibit that the proposed algorithm offers an excellent recovery performance with a number of measurements that is only a small fraction of the hyperspectral image data size.

Denoising

Recursive Total Least-Squares Algorithm Based on Inverse Power Method and Dichotomous Coordinate-Descent Iterations

no code implementations25 Aug 2014 Reza Arablouei, Kutluyıl Doğançay, Stefan Werner

We develop a recursive total least-squares (RTLS) algorithm for errors-in-variables system identification utilizing the inverse power method and the dichotomous coordinate-descent (DCD) iterations.

Analysis of a Reduced-Communication Diffusion LMS Algorithm

no code implementations25 Aug 2014 Reza Arablouei, Stefan Werner, Kutluyıl Doğançay, Yih-Fang Huang

In diffusion-based algorithms for adaptive distributed estimation, each node of an adaptive network estimates a target parameter vector by creating an intermediate estimate and then combining the intermediate estimates available within its closed neighborhood.

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