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Showing 1 to 20 of 555 for “"Descriptors"”.
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Machine Descriptors of Retargetable Parallelization
The concepts and structure of the EMD framework are described in this dissertation. The implementation and use of the EMD within a parallelizing compiler framework are also described. Finally, the effectiveness of this system description framework for retargeting compiler parallelization is …
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Task descriptors for automated assembly
Thesis: M.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1976
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Multiview active shape models with SIFT descriptors
… [21]) is introduced that uses a form of SIFT descriptors [68]. Multivariate Adaptive Regression Splines (MARS [40]) are used to efficiently match descriptors around landmarks. This modified ASM is fast and performs well on frontal faces. The model is then extended to also handle non-frontal …
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Efficient Local Comparison Of Images Using Krawtchouk Descriptors
… of Krawtchouk polynomials, relatively few descriptors are necessary to describe a given image, and this can be achieved with minimal memory usage. Using this method, not only can images be described efficiently as a whole, but specific regions of images can be described as well without …
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Visual Descriptors: A Design Tool for Visual Impact Analysis
… model for a consistent series of visual descriptors has been devised. Thirdly, a suitable design tool has been devised to make use of visual descriptors in visual impact analysis. Fourthly, visual descriptors have actually been implemented as computer software. The concept of visual …
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Innovative local texture descriptors with application to eye detection
… (LBP), which is one of the well-known texture descriptors, has broad applications in pattern recognition and computer vision. The attractive properties of LBP are its tolerance to illumination variations and its computational simplicity. However, LBP only compares a pixel with those in its own …
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The PvS-Index: An Indexing Method for Local Image Descriptors
… of image copyright protection using local descriptors, my measurements showed a performance gain of several orders of magnitude in comparison with a sequential scan through the whole data set.
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Determination of descriptors by liquid-liquid partition and chromatographic methods
<p>ABSTRACT</p> <p>DETERMINATION OF DESCRIPTORS BY LIQUID-LIQUID PARTITION AND CHROMATOGRAPHIC METHODS</p> <p> by</p> <p>THUSHARA KARUNASEKARA</p> <p>September 2012</p> <p>Advisor: Prof. Colin F. Poole</p> <p>Major: Chemistry (Analytical)</p> <p>Degree: Doctor of Philosophy</p> <p> Partition …
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Covariance based point cloud descriptors for object detection and classification
… different objects in the point cloud. Various descriptors have been introduced to match features in a point cloud. Cheaper sensors are not necessarily designed to produce precise measurements, which entails that the data is not as accurate as a point cloud provided from a laser or a dedicated …
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Investigation of new feature descriptors for image search and classification
… this dissertation focuses on exploring new image descriptors by incorporating cues from the human visual system, and integrating local, texture, shape as well as color information to construct robust and effective feature representations for advancing content-based image search and classification. …
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Assessment of Reactivity Descriptors for the Study of Chemical Reactions
… are suitable for a certain problem. The descriptors probe electronic interactions, however it is clear that they do not monitor other effects, such as steric contributions. Whenever the indicators are tested, their limitations must a priori be kept in mind. For instance, some of the …
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Small and Stable Descriptors of Distributions for Geometric Statistical Problems
<p>This thesis explores how to sparsely represent distributions of points for geometric statistical problems. A <italic>coreset<italic> C is a small summary of a point set P such that if a certain statistic is computed on P and C, then the difference in the results is guaranteed to be bounded by a …
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Efficient mining of informative descriptors from data with scarce annotations
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-12-01
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A Novel Multistage Image Registration Technique with Graph-based Region Descriptors
… features than the traditional point descriptors.</p> <p>The multistage method is a hierarchy of registration approaches that takes advantage of feature, intensity and Fourier-based techniques. The three phases include a limited search window method that employs the proposed …
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Novel color and local image descriptors for content-based image search
… focuses on investigating novel image descriptors based on texture, shape, color, and local information for advancing content-based image search. Specifically, first, a new color multi-mask Local Binary Patterns (mLBP) descriptor is presented to improve upon the traditional Local Binary …
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Network modularity and local environment similarity as descriptors of protein structure
… Atomic Positions (SOAP) descriptor. Using these descriptors we can perform overall comparisons of the subregions identified above. In addition, by comparing the descriptors of a set of proteins known to share common structural or functional features (such as binding of a particular ligand), we …
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