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 24 for “"3D scanner"”.
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Enhancement of image recognition in digital close-range photogrammetry using mathematical equations and camera calibration
… conventional methods for generation of virtual 3D models, which for use in CAD, CAM and CAE studies. However, many studies have revealed that most of the developed algorithms for 3D modelling possess several major challenges due to its tedious task during the image recognition phase. Thus, this …
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Design and fabricating of an orthotic insole by using Kinect® XBOX gaming sensor scanner and 3D printer
… insole by using Kinect® XBOX 360 gaming sensor scanner and 3D printer. In order to fulfill medical requirement, it was invented to help medical field to overcome their problem of high 3D scanner cost, handcrafted fabrication, inventory problem, and long fabrication time. In term of process, …
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Accuracy of Ortho Insight 3D Digital Scanner in Mesial-Distal Tooth Measurements
Introduction: Digital scanners and software may be used to measure mesial-distal (MD) tooth width for orthodontic diagnosis and treatment planning. Although there have been many studies performed on different digital scanners, accuracy of mesial-distal tooth measurements using the Ortho Insight 3D …
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Three-dimensional body scanning : a novel technique for body composition assessment
… comfortable for subjects. The Three Dimensional (3D) body scanner is a new body composition assessment method that might serve as another option for investigators and practitioners. The purpose of this study was to determine the accuracy of the 3D body scanner at measuring body composition using …
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A 3-Dimensional Approach to Projectile Point Classification
… region in Northwest Arkansas. A structured-light 3D scanner was used to create complete 3D models of the artifacts that includes several projectile point types. This was done to improve the accuracy and replicability of measurements. Several different quantitative attributes were examined using …
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Three dimensional reconstruction of objects based on digital fringe projection
… professionals have been working on improving 3D reconstruction algorithms to fit the high demands of various real life applications. In this thesis, we implemented a 3D scanner system based on fringe projection method. Two different methods have been implemented and used as the unwrapping …
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3D face modeling with a consumer depth camera
Modeling the 3D geometry of the face is an important research topic in computer graphics and computer vision. The applications for face models include computer animation and facial analysis. Over the past few decades, several face modeling techniques have been developed using both active and …
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Intra-Oral Three Dimensional Scanning for Assessment of Surgical Outcome in Patients with Unilateral Cleft Lip and Palate
… be scanned to create indirect three dimensional (3D) digital models and dental arches can be scanned directly using an intra-oral 3D scanner. The latter technique eliminates the need for impression taking but has not previously been investigated in cleft care.Aims: This prospective study aimed to …
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3D anthropometry: quantifying the shape and size variability within the UK male offshore oil and gas workforce.
… offshore workers, employing the latest portable 3D scanning technology, to quantify size and shape change associated with weight increase and identify differing physique groups among the sample. Method: 588 male offshore workers within seven pre-determined weight categories were scanned, using …
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Development of Simulation Platform for Oropharyngeal Airway Placement and Design Evaluation of the Bardo Airway
… CAD – related technique and tools, such as 3D scanner (ScanStudio HD), RapidWorks, SolidWorks and Mimics were utilized to create the models used to construct the platform. The purpose of this platform is to generate data to support the development of additional sizes and other modification …
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Exploring the Effect of Ankle Braces on Foot Posture
… (ICC = 0.867-0.996) when compared to a 3D scanner. This device was then used in the second portion of this study, which evaluated the effects of ankle braces on plantar loading patterns in individuals with different foot postures. Contact area, peak force, force-time integral, and center …
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Effect of Centric Interference on Canine Tooth Wear
… were scanned using a high resolution desktop scanner, (OrthoInsight 3D Scanner™, MotionView LLC). T4 models were articulated using a Panadent® Articulator and evaluated for dental interferences and CO/MIP variance using the incisal pin locator. The canines were evaluated for volumetric CTW …
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A robotic system for photopatteming of freeform surfaces
… first digitally triangulating the surface with a 3D scanner and associating the location of each triangle in the digital space with the corresponding location on the workpiece surface in real space. Subsequently, the area enclosed by each triangle is associated with a user-specified texture …
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Estimating Global Object Pose from Tactile Images
… Tac2Pose on object models reconstructed from a 3D scanner, to evaluate the robustness to uncertainty in the object model. We show that even in the presence of model uncertainty, Tac2Pose is able to achieve fine accuracy comparable to when the object model is the manufacturer’s CAD model. …
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Response of composite and steel V-structures to localised air blast loading-numerical and experimental
… of the V-structures was determined using a 3D scanner. A series of numerical simulations were also performed on the GFRP and steel V-structures. The simulations used quarter symmetry models to utilise the symmetry of the experimental setup. The material model parameters were obtained from a …
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Response of composite and steel V-structures to localised air blast loading - Numerical and Experimental
… of the V-structures was determined using a 3D scanner. A series of numerical simulations were also performed on the GFRP and steel V-structures. The simulations used quarter symmetry models to utilise the symmetry of the experimental setup. The material model parameters were obtained from a …
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Response of composite and steel V-structures to localised air blast loading - Numerical and Experimental
… of the V-structures was determined using a 3D scanner. A series of numerical simulations were also performed on the GFRP and steel V-structures. The simulations used quarter symmetry models to utilise the symmetry of the experimental setup. The material model parameters were obtained from a …
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Response of composite and steel V-structures to localised air blast loading - Numerical and Experimental
… of the V-structures was determined using a 3D scanner. A series of numerical simulations were also performed on the GFRP and steel V-structures. The simulations used quarter symmetry models to utilise the symmetry of the experimental setup. The material model parameters were obtained from a …
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Response of composite and steel V-structures to localised air blast loading - Numerical and Experimental
… of the V-structures was determined using a 3D scanner. A series of numerical simulations were also performed on the GFRP and steel V-structures. The simulations used quarter symmetry models to utilise the symmetry of the experimental setup. The material model parameters were obtained from a …
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Response of composite and steel V-structures to localised air blast loading - Numerical and Experimental
… of the V-structures was determined using a 3D scanner. A series of numerical simulations were also performed on the GFRP and steel V-structures. The simulations used quarter symmetry models to utilise the symmetry of the experimental setup. The material model parameters were obtained from a …
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