Search Results for author: Ghada Zamzmi

Found 31 papers, 3 papers with code

Combinatorial Complexes: Bridging the Gap Between Cell Complexes and Hypergraphs

no code implementations15 Dec 2023 Mustafa Hajij, Ghada Zamzmi, Theodore Papamarkou, Aldo Guzmán-Sáenz, Tolga Birdal, Michael T. Schaub

In this context, cell complexes are often seen as a subclass of hypergraphs with additional algebraic structure that can be exploited, e. g., to develop a spectral theory.

Uncovering the effects of model initialization on deep model generalization: A study with adult and pediatric Chest X-ray images

no code implementations20 Sep 2023 Sivaramakrishnan Rajaraman, Ghada Zamzmi, Feng Yang, Zhaohui Liang, Zhiyun Xue, Sameer Antani

Model initialization techniques are vital for improving the performance and reliability of deep learning models in medical computer vision applications.

Semantically Redundant Training Data Removal and Deep Model Classification Performance: A Study with Chest X-rays

no code implementations18 Sep 2023 Sivaramakrishnan Rajaraman, Ghada Zamzmi, Feng Yang, Zhaohui Liang, Zhiyun Xue, Sameer Antani

Deep learning (DL) has demonstrated its innate capacity to independently learn hierarchical features from complex and multi-dimensional data.

Attribute

Does image resolution impact chest X-ray based fine-grained Tuberculosis-consistent lesion segmentation?

no code implementations10 Jan 2023 Sivaramakrishnan Rajaraman, Feng Yang, Ghada Zamzmi, Zhiyun Xue, Sameer Antani

Literature is sparse in discussing the optimal image resolution to train these models for segmenting the Tuberculosis (TB)-consistent lesions in CXRs.

Lesion Segmentation

Generalizability of Deep Adult Lung Segmentation Models to the Pediatric Population: A Retrospective Study

no code implementations4 Nov 2022 Sivaramakrishnan Rajaraman, Feng Yang, Ghada Zamzmi, Zhiyun Xue, Sameer Antani

In this work, our goal is to (i) analyze the generalizability of deep adult lung segmentation models to the pediatric population and (ii) improve performance through a stage-wise, systematic approach consisting of CXR modality-specific weight initializations, stacked ensembles, and an ensemble of stacked ensembles.

Domain Generalization MS-SSIM +3

Deep ensemble learning for segmenting tuberculosis-consistent manifestations in chest radiographs

no code implementations13 Jun 2022 Sivaramakrishnan Rajaraman, Feng Yang, Ghada Zamzmi, Peng Guo, Zhiyun Xue, Sameer K Antani

We observed that the stacking ensemble demonstrated superior segmentation performance (Dice score: 0. 5743, 95% confidence interval: (0. 4055, 0. 7431)) compared to the individual constituent models and other ensemble methods.

Decision Making Ensemble Learning +3

Topological Deep Learning: Going Beyond Graph Data

3 code implementations1 Jun 2022 Mustafa Hajij, Ghada Zamzmi, Theodore Papamarkou, Nina Miolane, Aldo Guzmán-Sáenz, Karthikeyan Natesan Ramamurthy, Tolga Birdal, Tamal K. Dey, Soham Mukherjee, Shreyas N. Samaga, Neal Livesay, Robin Walters, Paul Rosen, Michael T. Schaub

Topological deep learning is a rapidly growing field that pertains to the development of deep learning models for data supported on topological domains such as simplicial complexes, cell complexes, and hypergraphs, which generalize many domains encountered in scientific computations.

Graph Learning

Robust Neonatal Face Detection in Real-world Clinical Settings

no code implementations1 Apr 2022 Jacqueline Hausmann, Md Sirajus Salekin, Ghada Zamzmi, Dmitry Goldgof, Yu Sun

Current face detection algorithms are extremely generalized and can obtain decent accuracy when detecting the adult faces.

Face Detection

WiCV 2021: The Eighth Women In Computer Vision Workshop

no code implementations11 Mar 2022 Arushi Goel, Niveditha Kalavakonda, Nour Karessli, Tejaswi Kasarla, Kathryn Leonard, Boyi Li, Nermin Samet and, Ghada Zamzmi

In this paper, we present the details of Women in Computer Vision Workshop - WiCV 2021, organized alongside the virtual CVPR 2021.

Data-Centric AI Requires Rethinking Data Notion

no code implementations6 Oct 2021 Mustafa Hajij, Ghada Zamzmi, Karthikeyan Natesan Ramamurthy, Aldo Guzman Saenz

The transition towards data-centric AI requires revisiting data notions from mathematical and implementational standpoints to obtain unified data-centric machine learning packages.

BIG-bench Machine Learning

Multi-loss ensemble deep learning for chest X-ray classification

no code implementations29 Sep 2021 Sivaramakrishnan Rajaraman, Ghada Zamzmi, Sameer Antani

Currently, the cross-entropy loss remains the de-facto loss function for training deep learning classifiers.

Classification Image Classification +2

Pattern Recognition in Vital Signs Using Spectrograms

no code implementations5 Aug 2021 Sidharth Srivatsav Sribhashyam, Md Sirajus Salekin, Dmitry Goldgof, Ghada Zamzmi, Mark Last, Yu Sun

The results from the proposed approach are promising with an accuracy of 91. 55% and 91. 67% in prediction and classification tasks respectively.

Time Series Time Series Analysis

Trilateral Attention Network for Real-time Medical Image Segmentation

no code implementations17 Jun 2021 Ghada Zamzmi, Vandana Sachdev, Sameer Antani

The performance of the segmentation stage highly relies on the extracted set of spatial features and the receptive fields.

Cardiac Segmentation Image Segmentation +2

Chest X-Ray Bone Suppression for Improving Classification of Tuberculosis-Consistent Findings

no code implementations9 Apr 2021 Sivaramakrishnan Rajaraman, Ghada Zamzmi, Les Folio, Philip Alderson, Sameer Antani

However, the presence of bony structures such as ribs and clavicles can obscure subtle abnormalities, resulting in diagnostic errors.

General Classification

Simplicial Complex Representation Learning

no code implementations6 Mar 2021 Mustafa Hajij, Ghada Zamzmi, Theodore Papamarkou, Vasileios Maroulas, Xuanting Cai

In this work, we propose a method for simplicial complex-level representation learning that embeds a simplicial complex to a universal embedding space in a way that complex-to-complex proximity is preserved.

Representation Learning

Persistent Homology and Graphs Representation Learning

no code implementations25 Feb 2021 Mustafa Hajij, Ghada Zamzmi, Xuanting Cai

This article aims to study the topological invariant properties encoded in node graph representational embeddings by utilizing tools available in persistent homology.

Representation Learning

TDA-Net: Fusion of Persistent Homology and Deep Learning Features for COVID-19 Detection in Chest X-Ray Images

no code implementations21 Jan 2021 Mustafa Hajij, Ghada Zamzmi, Fawwaz Batayneh

Topological Data Analysis (TDA) has emerged recently as a robust tool to extract and compare the structure of datasets.

Topological Data Analysis

Multimodal Spatio-Temporal Deep Learning Approach for Neonatal Postoperative Pain Assessment

no code implementations3 Dec 2020 Md Sirajus Salekin, Ghada Zamzmi, Dmitry Goldgof, Rangachar Kasturi, Thao Ho, Yu Sun

We compare the performance of the multimodal and unimodal postoperative pain assessment, and measure the impact of temporal information integration.

Algebraically-Informed Deep Networks (AIDN): A Deep Learning Approach to Represent Algebraic Structures

1 code implementation2 Dec 2020 Mustafa Hajij, Ghada Zamzmi, Matthew Dawson, Greg Muller

The deep networks obtained via \textbf{AIDN} are \textit{algebraically-informed} in the sense that they satisfy the algebraic relations of the presentation of the algebraic structure that serves as the input to the algorithm.

Accounting for Affect in Pain Level Recognition

no code implementations15 Nov 2020 Md Taufeeq Uddin, Shaun Canavan, Ghada Zamzmi

In this work, we address the importance of affect in automated pain assessment and the implications in real-world settings.

Cell Complex Neural Networks

no code implementations NeurIPS Workshop TDA_and_Beyond 2020 Mustafa Hajij, Kyle Istvan, Ghada Zamzmi

Cell complexes are topological spaces constructed from simple blocks called cells.

Unified Representation Learning for Efficient Medical Image Analysis

no code implementations19 Jun 2020 Ghada Zamzmi, Sivaramakrishnan Rajaraman, Sameer Antani

We explore different fine-tuning strategies to demonstrate the impact of the strategy on the performance of target medical image tasks.

General Classification Image Denoising +3

First Investigation Into the Use of Deep Learning for Continuous Assessment of Neonatal Postoperative Pain

no code implementations24 Mar 2020 Md Sirajus Salekin, Ghada Zamzmi, Dmitry Goldgof, Rangachar Kasturi, Thao Ho, Yu Sun

This paper presents the first investigation into the use of fully automated deep learning framework for assessing neonatal postoperative pain.

Multi-Channel Neural Network for Assessing Neonatal Pain from Videos

no code implementations25 Aug 2019 Md Sirajus Salekin, Ghada Zamzmi, Dmitry Goldgof, Rangachar Kasturi, Thao Ho, Yu Sun

Neonates do not have the ability to either articulate pain or communicate it non-verbally by pointing.

A method to Suppress Facial Expression in Posed and Spontaneous Videos

no code implementations4 Oct 2018 Ghada Zamzmi, Gabriel Ruiz, Matthew Shreve, Dmitry Goldgof, Rangachar Kasturi, Sudeep Sarkar

We address the problem of suppressing facial expressions in videos because expressions can hinder the retrieval of important information in applications such as face recognition.

Face Recognition Retrieval

Neonatal Pain Expression Recognition Using Transfer Learning

no code implementations4 Jul 2018 Ghada Zamzmi, Dmitry Goldgof, Rangachar Kasturi, Yu Sun

In this paper, we propose a new pipeline for pain expression recognition in neonates using transfer learning.

Face Recognition General Classification +2

Machine-based Multimodal Pain Assessment Tool for Infants: A Review

no code implementations1 Jul 2016 Ghada Zamzmi, Dmitry Goldgof, Rangachar Kasturi, Yu Sun, Terri Ashmeade

In addition, it reviews the databases available to the research community and discusses the current limitations of the automated pain assessment.

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