Search Results for author: Isaac Ronald Ward

Found 6 papers, 1 papers with code

Improving Contrastive Learning on Visually Homogeneous Mars Rover Images

no code implementations17 Oct 2022 Isaac Ronald Ward, Charles Moore, Kai Pak, Jingdao Chen, Edwin Goh

In this study, we propose two approaches to resolve this: 1) an unsupervised deep clustering step on the Mars datasets, which identifies clusters of images containing similar semantic content and corrects false negative errors during training, and 2) a simple approach which mixes data from different domains to increase visual diversity of the total training dataset.

Contrastive Learning Deep Clustering

Explainable Artificial Intelligence for Pharmacovigilance: What Features Are Important When Predicting Adverse Outcomes?

no code implementations25 Dec 2021 Isaac Ronald Ward, Ling Wang, Juan lu, Mohammed Bennamoun, Girish Dwivedi, Frank M Sanfilippo

Using XAI, we quantified the contribution that specific drugs had on these ACS predictions, thus creating an XAI-based technique for pharmacovigilance monitoring, using ACS as an example of the adverse outcome to detect.

Explainable artificial intelligence Explainable Artificial Intelligence (XAI) +1

A Practical Tutorial on Graph Neural Networks

1 code implementation11 Oct 2020 Isaac Ronald Ward, Jack Joyner, Casey Lickfold, Yulan Guo, Mohammed Bennamoun

Graph neural networks (GNNs) have recently grown in popularity in the field of artificial intelligence (AI) due to their unique ability to ingest relatively unstructured data types as input data.

RGB-D image-based Object Detection: from Traditional Methods to Deep Learning Techniques

no code implementations22 Jul 2019 Isaac Ronald Ward, Hamid Laga, Mohammed Bennamoun

Deep learning techniques, coupled with the availability of large training datasets, have now revolutionized the field of computer vision, including RGB-D object detection, achieving an unprecedented level of performance.

Medical Diagnosis Object +2

Improving Image-Based Localization with Deep Learning: The Impact of the Loss Function

no code implementations28 Apr 2019 Isaac Ronald Ward, M. A. Asim K. Jalwana, Mohammed Bennamoun

This work investigates the impact of the loss function on the performance of Neural Networks, in the context of a monocular, RGB-only, image localization task.

Image-Based Localization regression

Optical Flow Techniques for Facial Expression Analysis -- a Practical Evaluation Study

no code implementations25 Apr 2019 Benjamin Allaert, Isaac Ronald Ward, Ioan Marius Bilasco, Chaabane Djeraba, Mohammed Bennamoun

Optical flow techniques are becoming increasingly performant and robust when estimating motion in a scene, but their performance has yet to be proven in the area of facial expression recognition.

Data Augmentation Facial Expression Recognition +2

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