Machine learning based prediction of hexapod invertebrates and its impact on biodiversity
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BRAC University
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Abstract
Insects represent one of the most diversified groups and are also critical to maintaining
ecological balance; however, their monitoring is limited by traditional field
sampling and manual identification techniques. This research introduces a new
framework that combines automated insect detection with biodiversity quantification
and hotspot visualization, converting the recognition results into ecological
conservation decision-support tools. We have used a dataset of 6,000 annotated images
of ten equivalent classes of hexapods to train and evaluate the state-of-the-art
systems, YOLOv8 and YOLOv10, in a hybrid setup. The YOLOv8 model showed
better results in all the tested detection metrics. Biodiversity was also determined
by ecological metrics besides detection accuracy, which also showed that the site had
a species richness of 10, a Shannon diversity index of 2.296 and an evenness value of
0.997. To find diversity gradients across locations, numerical indices were replaced
with a hotspot analysis. The maps indicate sites that need to be preserved right
away, not places that can be restored environmentally. The study shows that combining
advanced deep learning methods with biodiversity measurements can lead
to data-rich, scalable, and ecologically sound insights for monitoring and making
policy decisions.
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Description
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 39-41).
This thesis is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Computer Science and Engineering, 2025.
Includes bibliographical references (pages 39-41).
This thesis is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Computer Science and Engineering, 2025.
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Thesis