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Relevant bibliographies by topics / Automated quality inspection / Dissertations / Theses

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Dissertations / Theses on the topic 'Automated quality inspection'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Lefley, M. "The automated inspection of knitted fabric." Thesis, De Montfort University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380643.

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2

Cavanough, Gary L. "Automated weld quality monitoring." Thesis, Queensland University of Technology, 1994.

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3

Boyer, Jacob, Janos C. Keresztes, Wouter Saeys, and John Koshel. "An automated imaging BRDF polarimeter for fruit quality inspection." SPIE-INT SOC OPTICAL ENGINEERING, 2016. http://hdl.handle.net/10150/622517.

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The purpose of this project was to test and implement recent research of polarization and scatter properties that suggest using a cross polarization imaging system to reduce glare artifacts. In particular, the use of this research is to improve the machine vision of apple quality detection in the food industry. The automated measurement system was implemented by acquiring pictures at different angles and different polarization states of apples. The opto-mechanics, system integration, synchronization and data collection are controlled with LabVIEW.

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4

Alcock, Robert J. "Techniques for automated visual inspection of birch wood boards." Thesis, Cardiff University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323153.

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5

Piepmeier, Jenelle Armstrong. "Textural analysis for defect detection in automated inspection systems." Thesis, Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/19108.

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6

Freear, Nicholas David. "Automated visual inspection for the quality control of pad printing." Thesis, University of Birmingham, 2002. http://etheses.bham.ac.uk//id/eprint/890/.

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Pad printing is used to decorate consumer goods largely because of its unique ability to apply graphics to doubly curved surfaces. The Intelpadrint project was conceived to develop a better understanding of the process and new printing pads, inks and printers. The thesis deals primarily with the research of a printer control system including machine vision. At present printing is manually controlled. Operator knowledge was gathered for use by an expert system to control the process. A novel local corner- matching algorithm was conceived to effect image segmentation, and neuro-fuzzy techniques

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7

Zhu, Yuehan. "Automated Supply-Chain Quality Inspection Using Image Analysis and Machine Learning." Thesis, Högskolan Kristianstad, Fakulteten för naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-20069.

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An image processing method for automatic quality assurance of Ericsson products is developed. The method consists of taking an image of the product, extract the product labels from the image, OCR the product numbers and make a database lookup to match the mounted product with the customer specification. The engineering innovation of the method developed in this report is that the OCR is performed using machine learning techniques. It is shown that machine learning can produce results that are on par or better than baseline OCR methods. The advantage with a machine learning based approach is th

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8

Eskenazi, Cem. "An automated visual inspection system for bare hybrid boards /." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63302.

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9

Leal, James Andrew 1963. "Automated radiographic inspection of through-hole electronic circuit board solder defects." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276672.

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A study has been carried out to investigate the use of "real-time" radiography as a method of automated inspection of through-hole electronic circuit board solder joints. By evaluating five major solder defects it has been found that film radiography employing high contrast film results in a definite distinction between a good solder joint and a defective solder joint. The same five defects were also found to be distinguishable from a good solder joint when evaluated by a real-time radiographic inspection unit using digital image processing. Although the type of defect being investigated was n

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Finney, Graham Barry. "Investigation into the use of neural networks for visual inspection of ceramic tableware." Thesis, Liverpool John Moores University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327673.

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11

Danner, Kyle Ricardo. "Utilizing automated inspection to identify surface quality defects within the automotive body assembly process." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/126951.

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Thesis: M.B.A., Massachusetts Institute of Technology, Sloan School of Management, in conjunction with the Leaders for Global Operations Program at MIT, May, 2020<br>Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, in conjunction with the Leaders for Global Operations Program at MIT, May, 2020<br>Cataloged from the official PDF of thesis.<br>Includes bibliographical references (pages 111-112).<br>Nissan relies on inspectors to perform manual inspections in order to ensure vehicles are produced with a high-quality surface finish. These inspections occur

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12

Zhu, Bin. "Novel statistical pattern recognition and 3D machine vision technologies for automated food quality inspection." College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8912.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Fischell Dept. of Bioengineering . Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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13

Eaton, Gilbert A. "Machine vision approach to identifying and grading Strawberries." Thesis, Griffith University, 2020. http://hdl.handle.net/10072/393978.

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Machine vision systems for quality inspection of processing and production lines are associated with increases in productivity, cost savings, and quality control consistency, having become common place in many industries including agriculture. However, automated strawberry quality control has historically been a challenge due to the delicate nature of the fruit’s flesh, making it more prone to damage, bruising, discolouration, and softening than other fruits and vegetables. Previous efforts have been made to grade strawberries using conveyor systems and cameras, generating good or excellent re

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Wilkerson, Jerod W. "Closing the Defect Reduction Gap between Software Inspection and Test-Driven Development: Applying Mutation Analysis to Iterative, Test-First Programming." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/195160.

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The main objective of this dissertation is to assist in reducing the chaotic state of the software engineering discipline by providing insights into both the effectiveness of software defect reduction methods and ways these methods can be improved. The dissertation is divided into two main parts. The first is a quasi-experiment comparing the software defect rates and initial development costs of two methods of software defect reduction: software inspection and test-driven development (TDD). Participants, consisting of computer science students at the University of Arizona, were divided into

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15

Bodnarova, Adriana. "Texture analysis for automatic visual inspection and flaw detection in textiles." Thesis, Queensland University of Technology, 2000.

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16

Zemblys, Raimondas. "Spausdintinio montažo plokščių surinkimo kokybės įvertinimas kompiuterine rega." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080929_124812-84085.

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Elektronikos gamybos rinkoje produkcijos kokybei užtikrinti buvo pasikliaujama žmogaus vizualia apžiūra ir elektroniniais testais. Pasirodžius personaliniams kompiuteriams, gamybos pramonėje pradėta naudoti „kompiuterinė rega”. Procesas, kuriame naudojamas optinis vaizdo sensorius, pvz.: kamera, apibūdinamas kaip automatinė optinė kontrolė – AOK (angl. Automated Optical Inspection - AOI). Darbo tikslas - sukurti spausdintinio montažo plokščių kokybės įvertinimo sistemą panaudojant kompiuterinę regą, išrinkti spausdintinio montažo plokščių kokybės įvertinimui efektyviausius vaizdo apdorojimo al

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17

Tout, Karim. "Automatic Vision System for Surface Inspection and Monitoring : Application to Wheel Inspection." Thesis, Troyes, 2018. http://www.theses.fr/2018TROY0008.

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L'inspection visuelle des produits industriels a toujours été l'une des applications les plus reconnues du contrôle de qualité. Cette inspection reste en grande partie un processus manuel mené par des opérateurs et ceci rend l’opération peu fiable. Par conséquent, il est nécessaire d'automatiser cette inspection pour une meilleure efficacité. L'objectif principal de cette thèse est de concevoir un système d'inspection visuelle automatique pour l'inspection et la surveillance de la surface du produit. L'application spécifique de l'inspection de roues est considérée pour étudier la conception et

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18

Fiala, John C. "Computer representations of machined parts for automatic inspection." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/76033.

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A comparison is made between octrees, which are regular decompositions of volumes, and new, irregular decompositions called R-trees. This comparison is made within the context of the volume intersection problems that might be associated with an automatic inspection system. The results show that the irregular decomposition is independent of object position and can provide a more space efficient encoding for certain shapes. However, detecting intersections between R-trees requires an algorithm of greater complexity due to the irregularity of the decomposition. Algorithms are given for obtainin

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19

Johnson, Amos, and Hannes Aronsson. "Automated visual inspections for final assembly : A case study of cab assembly at Scania Oskarshamn." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-79401.

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Quality inspections have seen varying degrees of automation depending on the complexity of the task and the environment. Especially in later phases of multi-stage manufacturing processes, such as final assembly in automotive industries, quality inspections are largely manual to this day. Today, emerging technologies offer both pressures and tools to increase automation. However, the current state of the research field is lacking in studies that help guide companies toward implementation. Thus, quality managers at final assembly for Scania's truck coachwork factory in Oskarshamn (MC) stipulated

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20

Chung, Rong-Lun, and 鍾榮倫. "Automated Beef Quality Inspection and Grading System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/9mtnsv.

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碩士<br>朝陽科技大學<br>工業工程與管理系<br>106<br>Beef is one of the common foods in our daily life. The nutrients of beef including protein, amino acids and sugars are easily absorbed by human body and become necessary for growth and development. The appearance structure of beef is composed of fat and lean tissue. Different beef marbling levels and lean meat colors significantly affect the grade of beef quality. Excessive accumulation of fat or dark color of lean meat will reduce the quality level of beef. If consumers eat beef with poor quality, it may cause harm to the health of customers. And such d

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21

Chiu, Cheng-Lin, and 邱政霖. "Automated Quality Inspection of Camera Pan-Tilt Motion." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/g7qh5k.

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碩士<br>國立臺北科技大學<br>電機工程系<br>106<br>Three methods for quality inspection of cameras are presented in the thesis. Image shaking can be caused by non-smooth mechanism of the motor. To estimate vibration of the camera, the rotation angle of each frame of the camera is calculated. Three methods are used to detect the camera pan-tilt motion by using designed pattern. Planar pattern is employed in the first method of camera pan-tilt motion detection to analyze the camera rotation by using pinhole camera model. Semi-cylindrical pattern is used in the second method of camera pan-tilt motion detection to

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22

Wu, Tsung-Ju, and 吳宗儒. "Automatic Optical PCB Drilling Vias Quality Inspection System." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/64468645064364421966.

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碩士<br>國立成功大學<br>製造工程研究所碩博士班<br>97<br>The purpose of this research is to develop an automation optical inspection system for inspecting the vias quality on a PCB. For hardware, it integrates the motion machine, CCD camera, lighting system and personal computer; regarding the software, it integrates the functions such as image processing, image analysis, vias labeling, feature calculation, etc. In the end, the target plot and the bar chart will be adopted to indicate the vias position and the roundness for comparing the vias quality of a PCB.

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23

Lin, Shi-Xuan, and 林士軒. "THE DEVELOPMENT OF AN AUTOMATIC PCB QUALITY INSPECTION SYSTEM." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/89089264251483351156.

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碩士<br>大同大學<br>機械工程學系(所)<br>105<br>This research aims to develop an automatic PCB quality inspection system. The human testing at the end of the circuit board production line will be replaced by the automatic inspection system. The primary developing items include the PCB convey mechanism, detection mechanism and quality differentiate mechanism. Here, the PLC(programmable logic controller) is adopted as a controller in the system. Firstly, Pro/E , an engineering drawing software, is used during the design stage. Secondly, the system's whole frame will be manufactured and improved by the f

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24

Hsu, Wen-Cheng, and 許文正. "Application of PLC to Automatic Quality Inspection of Golf Ball." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/61241902709031910609.

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碩士<br>國立彰化師範大學<br>電機工程學系<br>98<br>This thesis discusses the quality inspection processing solutions of the golf ball. It introduced the automatic test of how to save the personnel costs, data unified management and information accurate insured. After the manufacture process of golf ball is completed, the traditional quality checking method is using different measuring apparatus to test the object and key in the data to computer manually for statistics analysis. By using traditional quality checking method, it requires 1 to 3 minutes to complete the test. If the testing items increase then it w

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25

Wang, Wei-Chien, and 王薇茜. "Research of Automatic Optical Inspection System in PCB Drilling Quality." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/35448457220388026536.

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碩士<br>國立成功大學<br>製造工程研究所碩博士班<br>96<br>In this research, an Automatic Optical Inspection (AOI) system is studied and developed based on machine vision. The methods of image registration, threshold, labeling, drill contrast, and defect display are adopted in this research. At first, the image registration is used to connect each sub-image to a whole image. Second, the image threshold is used to divide holes with disturbance. Then, labeling is used to label each object on the whole image. The quality parameters are then calculated and displayed on the bar chart and target plot. For the experi

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26

Chen-Yu-Jen and 陳宥任. "Automatic Quality Inspection System for the MCP LED Planar Elements." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/02649990137541704261.

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碩士<br>明新科技大學<br>精密機電工程研究所<br>101<br>In view of the importance of the LED illumination industry, this research was to cooperate with Paragon Semiconductor Lighting Technology Co., Ltd. to analyze their manufacture process of the MCP (multi-chip package) LED. The research studied the original process in the company, and found that the company spent too much man power for the inspection process. The efficiency is very low, and the defectiveness of the production is too high. There were several functions purposed in this research: 1. To build the loading and unloading devices that are compatible t

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27

han, Chen yu, and 陳昱翰. "An Automatic Inspection System for the Coating Quality of Mirror Elements." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/04599857379828099846.

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碩士<br>逢甲大學<br>自動控制工程學系<br>103<br>This study aims to inspect the common defects of mirror elements, including scratches, foreign material, and edge serration, which occur in the production of mirror elements, where a mirror surface was illuminated in different directions in the experiment. The image captured by CCD was used for image processing to highlight the defect position, enhance image contrast, and judge whether the defect exceeds the permissible range. The image contour was analyzed by edge detection, and combined with edge evaluating parameters to improve the quality of the coating edg

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28

Lin, Shiou-Yu, and 林修宇. "Design and Development of Automatic Optical Micro Blind Vias Quality Inspection System." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/71059045387888634380.

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碩士<br>國立成功大學<br>製造工程研究所碩博士班<br>97<br>In this research, an Automatic Optical Inspection (AOI) system based on image processing technology applied in PCB inspection of micro blind vias quality is designed and developed. It combines the hardware equipment including personal computers, AOI machines, lighting devices and CCD cameras with software technology including image pre-processing, vias labeling and detection results to achieve system implementation. At first, the relationship between the number of image pixels and the actual physical size for blind vias is used to calculate the actual size(

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29

Silva, Ana Eduarda de Sá. "Collaborative human-machine quality control system: steps towards automatic machine vision inspection." Doctoral thesis, 2014. https://repositorio-aberto.up.pt/handle/10216/91322.

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30

Silva, Ana Eduarda de Sá. "Collaborative human-machine quality control system: steps towards automatic machine vision inspection." Tese, 2014. https://repositorio-aberto.up.pt/handle/10216/91322.

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31

Faria, Mário André Oliveira. "Controlo de qualidade e inspeção visual por imagem: definição de uma aplicação para registo de alterações e avaliação de desempenho." Master's thesis, 2015. http://hdl.handle.net/1822/40160.

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Dissertação de mestrado em Engenharia e Gestão da Qualidade<br>O processo de soldadura eletrónica Surface Mounting Technology (SMT) é amplamente utilizado na produção de bens eletrónicos nos dias de hoje. Para melhorar a qualidade dos produtos a empresa onde se desenvolveu este projeto utiliza um sistema de inspeção ótica automático (AOI) para identificar eventuais defeitos. Este sistema de inspeção é complexo e pode mesmo introduzir falhas que resultam em classificações erradas de produtos bons e defeituosos. Tal sistema é complementado por um especialista que analisa os mesmos produtos

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