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 22 for “"Shape recognition"”.
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Teaching Shape Recognition to Students with Significant Intellectual Disabilities
… make sense of the world around them. Mastery of shape recognition is a beginning geometry skill that is necessary for progressing to more advanced topics in geometry. The purpose of this study was to teach beginning shape recognition skills by combining evidence-based practices in shape …
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Dynamic gesture recognition using transformation invariant hand shape recognition
… is presented for accurate real time gesture recognition. Our approach to develop a hand-shape classifier, trained using computer animation, along with its application in dynamic gesture recognition is described. The system developed operates in real time and provides accurate gesture …
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Effects of discrete wavelet compression on automated mammographic shape recognition
… lesions are typically classified into three shape classes, namely round, nodular and stellate. Presently this classification is done by experienced radiologists. In order to increase the speed and decrease the cost of diagnosis, automated recognition systems are being developed. This study …
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Probabilistic procrustean models for shape recognition with an application to robotic grasping
… of the object may fail; to compensate, object recognition is often used to identify the location of the object and compute the grasp from a prior model. However, new instances of a known class of objects may vary from the prior model, and known objects may appear in novel configurations if they …
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Photoresist modeling for 365 nm and 257 nm laser photomask lithography and multi-analyte biosensors indexed through shape recognition
… analyte hydrogel biosensors that use their shape to index chemical or biological function. Multiple analyte sensors have been created through the assembly of hundreds of shaped, hydrogel elements. The hydrogel biosensor fabrication process and assembly techniques have the potential to be …
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Real time automation for batch sampling analysis
… sample management capability, the use of peak shape recognition for detection, calibration, and a comprehensive interactive command capability. Discussion of system performance and recommendations for future improvements are included.
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Image data acquisition, processing and object recognition for use in a machine vision system
… investigates a preliminary approach for fast shape recognition of randomly positioned and oriented components. The results obtained indicate that this goal can be achieved by the use of the techniques of contour tracing, Fourier and surface texture analysis and shape fron shading methods.
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The role of declarative memory in the acquisition of conceptual semantic knowledge in Autism Spectrum Disorder
… (TD). Children were tested on two forced choice recognition tests of familiarity and recollection and a shape recognition and cued action-recall test. The relation between familiarity and conceptual semantic knowledge was investigated whilst controlling for visuo-perceptual abilities and fluid …
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The immediacy of the artist's mark in shape computation : from visualization to representation
Approaches to shape computation and algorithmic art-making within the fields of shape grammars and computer graphics still do not consider the immediacy of the artist's mark in drawing and painting. This research examines the canvas, or 2D picture plane, as the expressive and dynamic problem space …
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A stereoscopic system using knowledge propagation to achieve accurate depth calculation
… of its applications are gait analysis, hand shape recognition, facial surface recognition etc. The primary goal of this thesis was to optimize the existing stereoscopic system, to increase accuracy and precision of the depth information extracted. The process included redesign of the existing …
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Active object recognition for 2D and 3D applications
Active object recognition provides a mechanism for selecting informative viewpoints to complete recognition tasks as quickly and accurately as possible. One can manipulate the position of the camera or the object of interest to obtain more useful information. This approach can improve the …
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Nucleic acid biosensors
… tongue), and a novel hydrogel platform based on shape recognition elements (MUFFINS), have been combined with nucleic acid sensors (ssDNA and aptamers) and fluorescence microscopy to create biosensors for the detection of DNA and proteins. As a step towards fulfilling the goal of developing a …
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Utilizing Visual Illusions To Identify and Understand Perceptual Discrepancies in Product Design
… were asked to report how they perceived the shape and size of certain features, representing two types of illusions across the three model representations. Their statements were analyzed to identify the trends of how these two illusions affect overall appearance, categorized by representation …
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Touch at a distance : underwater object identification using pressure sensors
… sensors. To emulate the object-detection and shape-recognition capabilities of the lateral line, an adapted unscented Kalman filter is combined with the hydrodynamic model. The method developed is experimentally tested in a water tank, using a hydrofoil instrumented with pressure sensors …
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Image morphological processing
… theory, can extract object features by suitably shaped structuring elements. Mathematical Morphological filters are combinations of morphological operations that transform an image into a quantitative description of its geometrical structure based on structuring elements. Important applications …
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Tactile tomographic imaging using robotic whiskers
… to extract object features including size, shape and location, and map out the cross-sectional fluid-flow characteristics via tomographic imaging. Comparing the whisker position at the very initial object contact to a ray path in X-ray tomography, we show that the problem of object shape …
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An evaluation of the cerebellar deficit hypothesis of developmental dyslexia
… revealing a lack of autornatisation of shape recognition in dyslexic rather than attention deficit individuals. The thesis concludes with an overall discussion of the implications of the results in terms of causal theories of dyslexia and its interaction with other learning disorders. …
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Computational approaches to predicting drug induced toxicity
… to combining chemical information with Ultrafast Shape Recognition (USR) descriptors are introduced: Atom Type USR (ATUSR) and a combination between a proposed Atom Type Fingerprint (ATFP) and USR (USR-ATFP). These were applied to the task of predicting protein-ligand interactions - including the …
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About turn:neural mechanisms underlying visual processing of rotated letters and digits
… as representing orientation-dependent shape recognition. Experiments 2 and 3 also revealed orientation-dependent neural activity at three distinct stages prior to mental rotation. First, on the P1 component, there was a difference between oblique and vertical orientations, suggesting …
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