1 code implementation • 31 Jul 2023 • Navid Hasanzadeh, Shahrokh Valaee, Hojjat Salehinejad
Although some studies suggest a relationship between blood pressure and certain vital signals, such as Photoplethysmogram (PPG), reliable generalization of the proposed blood pressure estimation methods is not yet guaranteed.
Ranked #1 on Hypertension detection on MIMIC-III
no code implementations • 15 May 2023 • Mustafa Ammous, Hui Chen, Henk Wymeersch, Shahrokh Valaee
Reconfigurable intelligent surfaces (RISs) are expected to be a main component of future 6G networks, due to their capability to create a controllable wireless environment, and achieve extended coverage and improved localization accuracy.
no code implementations • 9 Jan 2023 • Hui Chen, Hyowon Kim, Mustafa Ammous, Gonzalo Seco-Granados, George C. Alexandropoulos, Shahrokh Valaee, Henk Wymeersch
A smart city involves, among other elements, intelligent transportation, crowd monitoring, and digital twins, each of which requires information exchange via wireless communication links and localization of connected devices and passive objects (including people).
1 code implementation • 7 Mar 2022 • Hojjat Salehinejad, Yang Wang, Yuanhao Yu, Tang Jin, Shahrokh Valaee
A population-based optimization algorithm evolves the population in order to find a best state vector which minimizes the number of active kernels while maximizing the accuracy of the classifier.
no code implementations • 27 Apr 2021 • Shiva Akbari, Shahrokh Valaee
This paper proposes a cooperative angle-of-arrival(AoA) estimation, taking advantage of co-processing channel state information (CSI) from a group of access points that receive signals of the same source.
no code implementations • 25 Feb 2021 • Hojjat Salehinejad, Shahrokh Valaee
A typical deep neural network (DNN) has a large number of trainable parameters.
1 code implementation • 10 Feb 2021 • Hojjat Salehinejad, Shahrokh Valaee
Pruning is one of the major methods to compress deep neural networks.
1 code implementation • 8 Jun 2020 • Alex Labach, Shahrokh Valaee
It can be used for structured or unstructured pruning and we propose a number of specific methods for each.
2 code implementations • 7 Jun 2020 • Hojjat Salehinejad, Shahrokh Valaee
The energy-based model stochastically evolves the population to find states with lower energy loss.
1 code implementation • 21 Nov 2019 • Alex Labach, Shahrokh Valaee
Dropout and similar stochastic neural network regularization methods are often interpreted as implicitly averaging over a large ensemble of models.
no code implementations • 25 Apr 2019 • Alex Labach, Hojjat Salehinejad, Shahrokh Valaee
Dropout methods are a family of stochastic techniques used in neural network training or inference that have generated significant research interest and are widely used in practice.
no code implementations • 7 Feb 2019 • Hojjat Salehinejad, Shahrokh Valaee
In this paper, we propose an adaptive technique to wisely drop the visible and hidden units in a deep neural network using Ising energy of the network.
no code implementations • 24 Sep 2018 • Hojjat Salehinejad, Sumeya Naqvi, Errol Colak, Joseph Barfett, Shahrokh Valaee
The images generated from a cylindrical transform augment a limited annotated set of images in three dimensions.
no code implementations • 29 Dec 2017 • Hojjat Salehinejad, Sharan Sankar, Joseph Barfett, Errol Colak, Shahrokh Valaee
Recurrent neural networks (RNNs) are capable of learning features and long term dependencies from sequential and time-series data.
no code implementations • 8 Nov 2017 • Hojjat Salehinejad, Shahrokh Valaee, Tim Dowdell, Errol Colak, Joseph Barfett
Medical datasets are often highly imbalanced with over-representation of common medical problems and a paucity of data from rare conditions.
no code implementations • 24 Aug 2017 • Hojjat Salehinejad, Shahrokh Valaee, Aren Mnatzakanian, Tim Dowdell, Joseph Barfett, Errol Colak
Radiology reports are an important means of communication between radiologists and other physicians.
1 code implementation • 23 Aug 2017 • Siamak Yousefi, Hirokazu Narui, Sankalp Dayal, Stefano Ermon, Shahrokh Valaee
This is done by extracting features from CSI data streams and using machine learning techniques to build models and classifiers.
no code implementations • 14 Aug 2017 • Hojjat Salehinejad, Shahrokh Valaee, Timothy Dowdell, Joseph Barfett
We propose a sampling method based on the radial transform in a polar coordinate system for image augmentation to facilitate the training of deep learning models from limited source data.
no code implementations • 7 Aug 2017 • Hojjat Salehinejad, Joseph Barfett, Parham Aarabi, Shahrokh Valaee, Errol Colak, Bruce Gray, Tim Dowdell
Pathfinding in hospitals is challenging for patients, visitors, and even employees.
no code implementations • 19 Apr 2017 • Hamed Sadeghi, Shahrokh Valaee, Shahram Shirani
Then, it finds depth and angle-of-view of the query using the information provided by the OCR engine in order to refine the location estimate.
no code implementations • 12 Oct 2013 • Sameh Sorour, Yves Lostanlen, Shahrokh Valaee
In this paper, we aim to design an indoor localization scheme that can be directly employed without building a full fingerprinted radio map of the indoor environment.