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 2824 for “"Correction"”.
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Power factor correction
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1921.
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Cryptographic error correction
… classical problems from the theory of error correction; and second, by studying special kinds of codes that are motivated by cryptographic applications. In the first part of this thesis, we consider a model of error correction in which the source of errors is adversarial, but limited to …
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Overbite Correction and Smile Esthetics
… smile esthetics. Pre-treatment and post-overbite correction records were gathered from 40 patients with deep overbite malocclusions at the Virginia Commonwealth University orthodontic clinic. Intrusion arch patients displayed significant reductions in maxillary incisor display accompanying …
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Overbite Correction and Smile Esthetics
… bite plate. Pre-treatment, post-overbite correction and post-treatment records were gathered from 32 patients who presented with deep overbite malocclusions to the Virginia Commonwealth University orthodontic clinic. Both groups of patients experienced reductions in overbite and maxillary …
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Overbite Correction and Smile Esthetics
… literature. Authors speculate that overbite correction, specifically maxillary incisor intrusion, will lead to flattening of the smile arc and consequently reduce smile attractiveness. The purpose of this prospective clinical study was to investigate differences in outcomes from two common …
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Automated methods for text correction
Development of automatic text correction systems has a long history in natural language processing research. This thesis considers the problem of correcting writing mistakes made by non-native English speakers. We address several types of errors commonly exhibited by non-native English writers – …
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Depth Correction++ for pseudo-LiDAR
… algorithm, we proposed a new algorithm “Depth Correction++” (DC++) that is able to further correct the depth information. DC++ focuses on pedestrians and cyclists. It uses the closest real LiDAR point to adjust the predicted depth of a target point, which can effectively decrease the deviation …
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Channel-adapted quantum error correction
Quantum error correction (QEC) is an essential concept for any quantum information processing device. Typically, QEC is designed with minimal assumptions about the noise process; this generic assumption exacts a high cost in efficiency and performance. We examine QEC methods that are adapted to the …
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Stereovision Correction Using Modal Analysis
Presently, aerial photography remains a popular method for surveillance of landscapes, and its uses continually grow as it is used to monitor trends in areas such as plant distribution and urban construction. The use of computer vision, or more specifically stereo vision, is one common method of …
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Geometric correction of historical Arabic documents
… focuses on the challenging domain of geometric correction of Arabic historical documents, where background research has highlighted that existing approaches for geometric correction of Latin-script historical documents are not sensitive to the characteristics of text in Arabic documents and …
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Motion correction of PET/CT images
… techniques have been studied to implement motion correction over medical files. Techniques based on the use of an external motion tracking system are preferred by researchers because they present a better accuracy. This thesis proposes a motion correction system that uses 3D affine registrations …
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Defect correction methods for computational aeroacoustics
The idea of Defect Correction Method (DCM) has been around for a long time. It can be used in a number of different ways and can be applied to solve various linear and non-linear problems. Most defect correction related methods were used in conjunction with discretisation methods and two-level …
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FPGA acceleration of DNA error correction
… analyses using the data. Even though many error-correction methods have been proposed for Illumina reads, their throughput is not high enough to process data from large genomes. The thesis describes the first FPGA-based error-correction tool, which is designed to improve the throughput of DNA …
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Adaptive Aberration Correction for Holographic Projectors
… hologram generation while incorporating various corrections (aberration, distortion, and pixel shape envelope). A high-performance implementation on a mid-range GPU achieved hologram generation up to 12 fps. Following topic studied is an adaptive optical correction. This work attempts to …
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Drift correction for scanning-electron microscopy
… linear drift and use it as a basis for an affine correction between images in the sequence. The performance of our correction method is evaluated with simulated datasets and real datasets taken on both scanning electron and scanning helium-ion microscopes; we compare performance against …
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Digital Control for Power Factor Correction
… of a digital controller for a power factor correction (PFC) converter. The development of the telecommunications industry and the Internet demands reliable, cost-effective and intelligent power. Nowadays, the telecommunication power systems have output current of up to several kilo amperes, …
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Robot positioning error analysis and correction
… is compared with analytical integration A correction method is then proposed and an error corrector is constructed. Effectiveness of the error corrector is demonstrated with a hypothetical RRRS robot, a 3-link robot with revolute joints and a spherical hand.
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HEAD MOTION EVALUATION AND CORRECTION IN MAGNETOENCEPHALOGRAPHY
… statistical sensitivity. Multiple head motion correction methods have been developed and validated to insure the head motion effects are removed, with the aim of improving localization accuracy and statistical sensitivity. This study investigated the amount and extent of the head motion during …
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