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.
Results
Showing 1 to 20 of 237 for “"Warping"”.
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Background subtraction by disparity warping
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Multiscale Dynamic Time and Space Warping
Dynamic Time and Space Warping (DTSW) is a technique used in video matching applications to find the optimal alignment between two videos. Because DTSW requires O(N4) time and space complexity, it is only suitable for short and coarse resolution videos. In this thesis, we introduce Multiscale DTSW: …
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Edge-Preserving Image Upsampling and Image Warping
… with a painterly effect. This work on image warping is published in Expressive, 2015.
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A frequency warping approach to speaker normalization
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Dynamic Time Warping Constraints for Semiconductor Processing
… that are inherent to the process. Dynamic time warping (DTW) can be used for temporal alignment of signals, but is computationally expensive and prone to errors. In this thesis, a new method is presented for preprocessing semiconductor fabrication sensor signals that improves anomaly detection …
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Auditory model comparison and optimization using dynamic time warping
… a new technique based on the dynamic time warping algorithm as a distance metric. This technique is also applied in conjunction with a simple finite-difference gradient descent technique to generate better model parameters. These improved parameters reduce error due to poor parameter …
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Digital image warping : theory and real time hardware implementation issues
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Nonuniform subbard coding of high quality audio signals employing frequency warping
… of a nonuniform filter bank employing frequency warping to digital audio coding is described. Firstly, some aspects of psychoacoustics, especially masking effects, are studied. Utilising psychoacoustic models, perceptual entropies are calculated for a number of audio excerpts and it is shown that …
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Using dynamic time warping to improve the classical music production workflow
The current music production workflow, comprising recording, editing, mixing, and mastering music, requires a great deal of manual work for the sound engineer. This thesis aims to bring some recent advances in Music Information Retrieval (MIR) techniques to music production tools, with the goal of …
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Seismic Data Conditioning and Inversion with Bayesian Methods and Dynamic Time-Warping
… traces can be re-adjusted with a dynamic time-warping (DTW) algorithm which is superior to linear time-shifts such as windowed-cross correlation. DTW re-alignment reveal the better correlation of elastic attributes when compared with upscaled well-logs. Seismically-derived elastic properties …
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A new Hilbert time warping principle for pattern matching / by Arulnesan Maheswaran
Includes bibliographical references
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A comparative study of several dynamic time warping algorithms for speech recognition
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1980.
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Comuterized numerical solutions to combined pure and warping torsion in open sections
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Shape memory alloy induced wing warping for a small unmanned aerial vehicle
… they twist the wing in what is known as wing warping. This conceptual design is refined through extensive modeling and finite element analysis. Thermal analysis is used to determine how fast the wires heat and cool, which determines how fast the vehicle can be controlled. Structural analysis …
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A Novel Approach for Continuous Speech Tracking and Dynamic Time Warping. Adaptive Framing Based Continuous Speech Similarity Measure and Dynamic Time Warping using Kalman Filter and Dynamic State Model
Dynamic speech properties such as time warping, silence removal and background noise interference are the most challenging issues in continuous speech signal matching. Among all of them, the time warped speech signal matching is of great interest and has been a tough challenge for the researchers. …
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Captured open book image de-warping and shading correction using 3D depth information
<p>Various three dimensional (3D) measuring or capturing devices are introduced to the society recently, and there are abundant possibilities that we can take advantage of this new technology. In this research, we worked on one useful application: to correct the distortion due to the curved shape …
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Intranuclear strain measured by iterative warping in cells under mechanical and osmotic stress
… cells. The hybrid technique uses an iterative warping deformable image registration to measure intranuclear strain fields that are correlated to nuclear structures. Three cell mechanics methods were developed to examine the mechanical response of the nucleus under different mechanical …
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Nonlinear 3-D beam/connector finite element with warping for a glulam dome
… analysis of a glulam dome with ABAQUS to include warping of rectangular beams, and to model the nonlinear beam/decking connectors (nails) of the dome in order to develop an effective finite element model of the glulam dome for investigating its ultimate load capacity. The shear modulus is modified …
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