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Development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence

Thesis (MEng)--Stellenbosch University, 2022.

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Main Author: Deacon, Quintus
Other Authors: Louw, Louis
Format: Thesis
Language:en_ZA
Published: Stellenbosch : Stellenbosch University 2022
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access_status_str Open Access
author Deacon, Quintus
author2 Louw, Louis
author_browse Deacon, Quintus
Louw, Louis
author_facet Louw, Louis
Deacon, Quintus
author_sort Deacon, Quintus
collection Thesis
dc_rights_str_mv Stellenbosch University
description Thesis (MEng)--Stellenbosch University, 2022.
format Thesis
id oai:scholar.sun.ac.za:10019.1/124599
institution Stellenbosch University (South Africa)
language en_ZA
last_indexed 2026-06-10T12:43:59.464Z
license_str Other — see source repository
provenance_str_mv Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository
publishDate 2022
publishDateRange 2022
publishDateSort 2022
publisher Stellenbosch : Stellenbosch University
publisherStr Stellenbosch : Stellenbosch University
record_format dspace
source_str SUNScholar — Stellenbosch University Repository
spelling oai:scholar.sun.ac.za:10019.1/124599 Development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence Deacon, Quintus Louw, Louis Palm, Daniel Internet of things Artificial Intelligence Artificial intelligence -- Agricultural applications Artificial intelligence -- Engineering applications Computer vision UCTD Thesis (MEng)--Stellenbosch University, 2022. ENGLISH SUMMARY: Invasive fruit flies are of major concern to the agricultural industry, causing millions of rands lost due to harvest damage, trade bans, and surveillance cost. Current surveillance methods of invasive fruit flies consist of entomologists manually inspecting fruit fly traps to determine the species of fruit flies captured. This process is time intensive, expensive, and inaccurate. This study proposes a smart trap approach based on vision system technology to automate the fruit fly species classification aspect of the surveillance process. The goal of the smart trap is to serve as an early warning system of invasive fruit fly outbreaks in pest free areas. A design science methodology was followed to design a smart trap that uses a camera imbedded in traditional fruit fly bucket traps to take images of new fruit fly captures and send them to a central server. Otsu's thresholding image segmentation was compared to the EfficienDet DO object detector for segmenting fruit fly instances from the image provided by the smart trap camera. EfficeintDet DO had the highest precision, recall, and Intersection over Union of 92%, 96.88% and 90.5% respectively. Thereafter pretrained models of EfficientNet BO, MobileNet V2, and MobileNet V3 Large were trained to differentiate between the Ceratitis capitata and -quilici fruit fly species segments provided by EfficientDet DO. MobileNet V3 Large had the highest accuracy and Fl-Score of 96.55% and 96.57% respectively. The object detection and image classification algorithms were trained on Google Colab using transfer learning and image augmentation. These were then executed on a Raspberry Pi 4 Model B microcomputer. The smart trap system was accurate in distinguishing between two fruit fly species, and capable of execution on a resource constrained device. The smart trap system shows promise for low cost, easy deployment smart traps but has some issues regarding connectivity in remote areas. AFRIKAANS OPSOMMING: Indringervrugtevliee is 'n groot kommer vir die landboubedryf en veroorsaak dat miljoene rande verlore gaan weens oesskade, handelsverbod en toesigkoste. Huidige toesigmetodes van indringer-vrugtevliee bestaan uit entomoloe wat vrugtevlieg-valle met die hand inspekteer om die spesie vrugtevliee wat gevang is, te bepaal. Hierdie proses is tydsintensief, duur en onakkuraat. Hierdie studie stel 'n slim lokval-benadering voor gebaseer op visiestelseltegnologie om die vrugtevliegspesieklassifikasie-aspek van die toesigproses te outomatiseer. Die doel van die slim lokval is om as 'n vroee waarskuwingstelsel van indringervrugtevlieg-uitbrake in plaagvrye gebiede te dien. 'n Wetenskaplike ontwerpmetodologie is gevolg om 'n slim lokval te ontwerp wat 'n kamera gebruik wat in tradisionele vrugtevlieemmervalletjies ingebed is om fotos van nuwe vrugtevlieevangste te neem en dit na 'n sentrale bediener te stuur. Otsu se drumpelbeeldsegmentering is vergelyk met die EfficienDet DO-objekdetektor vir die segmentering van vrugtevlieggevalle vanaf die beeld wat deur die slimvalkamera verskaf word. EfficeintDet DO het die hoogste akkuraatheid, herroeping en kruising oor Unie van 92%, 96.88% en 90.5% onderskeidelik gehad. Daarna is voorafgeleerde modelle van EfficientNet BO, MobileNet V2 en MobileNet V3 Large geleer om te onderskei tussen die Ceratitis capitata en -quilici vrugtevlieg spesies segmente verskaf deur EfficientDet DO. MobileNet V3 Large het die hoogste akkuraatheid en Fl-telling van onderskeidelik 96.55% en 96.57% gehad. Die objekdetektor en beeldklassifikasiealgoritmes is op Google Colab opgelei deur oordragleer en fotoaanvulling te gebruik. Dit is toe op 'n Raspberry Pi 4 Model B mikrorekenaar uitgevoer. Die slim lokvalstelsel was akkuraat in die onderskeid tussen twee vrugtevliegspesies, en in staat om uitgevoer te word op 'n hulpbronbeperkte toestel. Die slim strikstelsel toon belofte vir 'n lae koste, maklike ontplooiing van slim strikke, maar het 'n paar probleme rakende konnektiwiteit in afgelee gebiede. Masters 2022-02-07T15:41:18Z 2022-04-29T09:21:39Z 2022-02-07T15:41:18Z 2022-04-29T09:21:39Z 2022-04 Thesis http://hdl.handle.net/10019.1/124599 en_ZA Stellenbosch University xiv, 163 pages : illustrations application/pdf Stellenbosch : Stellenbosch University
spellingShingle Internet of things
Artificial Intelligence
Artificial intelligence -- Agricultural applications
Artificial intelligence -- Engineering applications
Computer vision
UCTD
Deacon, Quintus
Development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence
title Development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence
title_full Development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence
title_fullStr Development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence
title_full_unstemmed Development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence
title_short Development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence
title_sort development of a smart trap for the surveillance of invasive fruit flies using internet of things and artificial intelligence
topic Internet of things
Artificial Intelligence
Artificial intelligence -- Agricultural applications
Artificial intelligence -- Engineering applications
Computer vision
UCTD
url http://hdl.handle.net/10019.1/124599
work_keys_str_mv AT deaconquintus developmentofasmarttrapforthesurveillanceofinvasivefruitfliesusinginternetofthingsandartificialintelligence