{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/9643"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/9643","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Real-time automatic machine inspection of plastic bottle closures","abstract":"This thesis presents work done developing an automatic system for plastic bottle closures. These plastic closures ae manufactured at 20 per second and the inspection must be done in real-time at this rate. Two types of defects must be detected and the defective closures removed from the production line. Inspection by human operators proved to be unreliable and subjective, and an automatic inspection system was needed. A machine vision system is capable of producing reliable and repeatable results in an environment which is unpleasant to humans. An automatic inspection system was implemented on the production line. The development of this system is divided into three sections.","abstract_html":"This thesis presents work done developing an automatic system for plastic bottle closures. These plastic closures ae manufactured at 20 per second and the inspection must be done in real-time at this rate. Two types of defects must be detected and the defective closures removed from the production line. Inspection by human operators proved to be unreliable and subjective, and an automatic inspection system was needed. A machine vision system is capable of producing reliable and repeatable results in an environment which is unpleasant to humans. An automatic inspection system was implemented on the production line. The development of this system is divided into three sections.","abstract_has_math":false,"creators":["Bartleet, Trevor Clive"],"institution":"Department of Electrical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["De Jager, Gerhard"],"committee_chairs":[],"committee_members":[],"year":1995,"date_issued":"1995","date_published":"1995","updated_at":"2026-07-22T22:23:05Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/9643","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["De Jager, Gerhard"]},{"key":"dc:creator","label":"Author","values":["Bartleet, Trevor Clive"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-11-15T19:35:48Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-11-15T19:35:48Z"]},{"key":"dc:date.issued","label":"Date","values":["1995"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Electrical Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/9643"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Bibliography: leaves 89-91."]},{"key":"dc:description.abstract","label":"Abstract","values":["This thesis presents work done developing an automatic system for plastic bottle closures. These plastic closures ae manufactured at 20 per second and the inspection must be done in real-time at this rate. Two types of defects must be detected and the defective closures removed from the production line. Inspection by human operators proved to be unreliable and subjective, and an automatic inspection system was needed. A machine vision system is capable of producing reliable and repeatable results in an environment which is unpleasant to humans. An automatic inspection system was implemented on the production line. The development of this system is divided into three sections."]},{"key":"dc:title","label":"Title","values":["Real-time automatic machine inspection of plastic bottle closures"]}]}],"canonical_facts":{"dc:contributor.advisor":["De Jager, Gerhard"],"dc:creator":["Bartleet, Trevor Clive"],"dc:date.accessioned":["2014-11-15T19:35:48Z"],"dc:date.available":["2014-11-15T19:35:48Z"],"dc:date.issued":["1995"],"dc:description":["Bibliography: leaves 89-91."],"dc:description.abstract":["This thesis presents work done developing an automatic system for plastic bottle closures. These plastic closures ae manufactured at 20 per second and the inspection must be done in real-time at this rate. Two types of defects must be detected and the defective closures removed from the production line. Inspection by human operators proved to be unreliable and subjective, and an automatic inspection system was needed. A machine vision system is capable of producing reliable and repeatable results in an environment which is unpleasant to humans. An automatic inspection system was implemented on the production line. The development of this system is divided into three sections."],"dc:identifier.uri":["http://hdl.handle.net/11427/9643"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Electrical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Real-time automatic machine inspection of plastic bottle closures"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:23:05Z"}