Undergraduate Research: An Archive - 2022 Program
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THESIS TITLE<br />
Deploying Deep<br />
Learning to Estimate<br />
the Abundance of<br />
Marine Debris From<br />
Video Footage<br />
ADVISER<br />
Constantinos<br />
Hadjistassou,<br />
Associate Professor of<br />
Engineering, University<br />
of Nicosia<br />
Cathy Teng ’22<br />
COMPUTER SCIENCE<br />
Certificate in Environmental Studies<br />
The ubiquity of plastic goods in modern society<br />
has led to the omnipresence of synthetic<br />
materials in the marine environment. To address<br />
the problem of plastic pollution, I developed<br />
an image classifier based on the YOLOv5 deep<br />
learning tool that can classify and localize<br />
plastic debris and marine life in images and<br />
video recordings. The image classifier, when<br />
augmented by the region-of-interest line and<br />
centroid-tracking counting methods, was able<br />
to count plastic debris and fish displayed in<br />
video footage. The centroid tracking method<br />
achieved a counting accuracy of 79% and<br />
proved more efficient due to its ability to track<br />
the geometric centers of the bounding boxes<br />
of detected objects. Additionally, the proposed<br />
classifier achieved a mean average precision<br />
of 89.4% when validated for nine categories of<br />
objects. This method’s impact could be enhanced<br />
substantially if it is integrated into other<br />
surveying methods or applications.<br />
CLIMATE AND<br />
ENVIRONMENTAL SCIENCE<br />
8