Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 44 for “"Machine vision system"”.
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Machine vision system developments for industrial inspection applications
… area of automated industrial inspection using machine vision systems. It is anticipated that the algorithms described will contribute to the design of a machine vision system for the automatic surface inspection of cylindrical pellets. Firstly, the acquisition and segmentation of pellet tray …
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Construction of a machine vision system for autonomous applications
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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A machine vision system for classifying rectangular cabinet frames
This thesis describes a machine vision solution to an industrial classification task. The specific problem is the identification of kitchen cabinet frames that travel on a conveyor belt. For these components, it is possible to acquire silhouette images and perform two dimensional image analysis. …
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3D machine vision system for robotic weeding and plant phenotyping
… growing global population. An autonomous weeding system should be capable of differentiating crop plants and weeds to avoid contaminating crops with herbicide or damaging them with mechanical tools. For the plant genetics industry, automated high-throughput phenotyping technology is critical to …
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A knowledge-based machine vision system for grain quality inspection
A knowledge-based machine vision system was developed for automatic corn quality inspection. This system consisted of a primitive feature extraction algorithm, several quality-related feature extraction algorithms, and several knowledge-based corn quality inspection algorithms. The feature …
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A knowledge-based machine vision system for automated industrial web inspection
Most current machine vision systems for industrial inspection were developed with one specific task in mind. Due to the requirement for real-time operation, these systems are typically implemented in special purpose hardware that performs very specific operations. Hence, these systems inflexible in …
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Using an FPGA-Based Processing Platform in an Industrial Machine Vision System
… thesis describes the development of a commercial machine vision system as a case study for utilizing the Modular Reprogrammable Real-time Processing Hardware (MORRPH) board. The commercial system described in this thesis is based on a prototype system that was developed as a test-bed for …
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Image data acquisition, processing and object recognition for use in a machine vision system
… early pioneering work of Rosenfeld and Sklansky, machine vision has been used successfully in a number of practical applications. In this work the areas of application have been reviewed to determine the extent to which computer vision has been utilised in industry. Its application so far has been …
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A Simple Machine Vision System for Improving the Edging and Trimming Operations Performed in Hardwood Sawmills
… some degree of automation. That is, some type of system must be designed that can scan a board to sense important hardwood features, make correct edging and trimming decisions, and then control down stream edgers and trimmers with minimal operator intervention. The most difficult part in the …
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Development and implementation of a machine vision system for error detection in an automated fiber optic coilwinder
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1998.
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On the construction of an autonomous 3D machine vision system and the development of techniques for interpreting its output data
… the preliminary development of a 3 dimensional vision system for use in robotics. The first part describes the successful development of a prototype of a fully autonomous computer peripheral from fast, hardwired circuitry which generates a 3D mapping of its field of view in a bank of dual ported …
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The application of a machine vision system to relate to froth surface characteristics to the metallurgical performance of a PGM flotation process
This dissertation describes the use of a machine vision system to explore the relationships between the structure of the flotation froth surface, flotation performance and selected operational parameters in a flotation operation aimed at the beneficiation of Platinum Group Minerals. The machine …
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The investigation and design of a machine vision system for the detection and control of the separation in a spinal ore concentrator
… propose and implement the hardware needed for a Machine Vision System that is to operate on the Spiral Ore Concentrator. Secondly, to propose and implement an algorithm that would operate together with the hardware, to find the transition point between the two types of material, also to find the …
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The investigation of the characterisation of flotation froths and design of a machine vision system for monitoring the operation of a flotation cell ore concentration
… processing techniques in the development of a machine vision system that is capable of characterising the froth structures prevalent on the surface of industrial flotation cells. At present, there is no instrument available that has the ability to measure the size and shape of the bubbles that …
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Evaluation of color-based machine vision for lumber processing in furniture rough mills
… the potential application of a color-based machine vision system under development at Virginia Tech for lumber processing in the furniture rough mill. The evaluation was done by conducting a yield study using 134 red oak boards. ROMI-RIP, a rip-first simulation program by Thomas (1995), was …
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An Integrated Control and Data Acquisition System for Pharmaceutical Capsule Inspection
… It is Pharmaphil's desire to develop a custom machine vision system to replace manual inspection with a potential opportunity in the capsule manufacturing quality control market. In collaboration with the Electrical and Computer Engineering Department at the University of Windsor, a novel …
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The Development of a vision-based flotation froth analysis system
This dissertation describes the development of a machine vision system for the on-line analysis of flotation froth images. The size and shape of bubbles that constitute the flotation froth convey considerable information on the performance of the flotation process. A method whereby this size and …
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The Development of a vision-based flotation froth analysis system
This dissertation describes the development of a machine vision system for the on-line analysis of flotation froth images. The size and shape of bubbles that constitute the flotation froth convey considerable information on the performance of the flotation process. A method whereby this size and …
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Automated corn kernel quality inspection using machine vision
A machine vision system was designed and developed for automatically inspecting corn kernels. This system consisted of a motor driven kernel delivery apparatus, two light-beam-based object position sensors, a strobe light, a control circuit, a video camera and a PC computer with image processing …
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Machine vision for in-process inspection on an automated peptide manufacturing platform
… inspection of a manufacturing line utilizing machine vision is a powerful tool used to increase efficiency, reduce variation, and maintain a high-quality standard in modern manufacturing systems. The aim of this thesis is to develop and implement a machine vision system for Mytide …
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