Get Functional and Shape Data Analysis PDF

By Anuj Srivastava

ISBN-10: 149394018X

ISBN-13: 9781493940189

ISBN-10: 1493940201

ISBN-13: 9781493940202

This textbook for classes on functionality info research and form facts research describes how to find, evaluate, and mathematically symbolize shapes, with a spotlight on statistical modeling and inference. it truly is geared toward graduate scholars in research in facts, engineering, utilized arithmetic, neuroscience, biology, bioinformatics, and different similar parts. The interdisciplinary nature of the huge variety of principles covered—from introductory thought to algorithmic implementations and a few statistical case studies—is intended to familiarize graduate scholars with an array of instruments which are appropriate in constructing computational options for form and similar analyses. those instruments, gleaned from geometry, algebra, records, and computational technological know-how, are characteristically scattered throughout various classes, departments, and disciplines; Functional and form information research offers a unified, accomplished answer by way of integrating the registration challenge into form research, higher getting ready graduate scholars for dealing with destiny clinical challenges.

Recently, a data-driven and application-oriented specialise in form research has been trending. this article deals a self-contained remedy of this new iteration of tools match research of curves. Its major concentration is form research of capabilities and curves—in one, , and better dimensions—both closed and open. It develops stylish Riemannian frameworks that supply either quantification of form transformations and registration of curves even as. also, those tools are used for statistically summarizing given curve information, appearing size aid, and modeling saw variability. it is strongly recommended that the reader have a history in calculus, linear algebra, numerical research, and computation.

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Download e-book for iPad: Functional and Shape Data Analysis by Anuj Srivastava

This textbook for classes on functionality information research and form information research describes how to find, examine, and mathematically signify shapes, with a spotlight on statistical modeling and inference. it's aimed toward graduate scholars in research in information, engineering, utilized arithmetic, neuroscience, biology, bioinformatics, and different comparable parts.

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We briefly mention two possible approaches to shape classification. In case there is a way to quantify pairwise shape differences, one can use a nearest-neighbor classifier. In this scheme, one computes the “distance” between the test shape and all the given samples from the two populations and declares the test class to be that of the nearest shape to the test shape. A more comprehensive, and often efficient, classifier is the binary hypothesis testing using the likelihood ratio test. 3 Specific Technical Goals Samples from Class 1 Test Shape 15 Samples from Class 2 Fig.

In this section, we introduce this concept and illustrate it with a few examples. This terminology needs some additional clarification. A Riemannian metric, often written simply as a metric, should be distinguished from a distance function on a space. As we shall see, the metric is defined infinitesimally using elements of the tangent space at a point, whereas the distance function is defined between any two elements of a space. We will also see that a metric can be used to define 42 3 Background: Relevant Tools from Geometry a distance function, while not every distance function may be derived from a Riemannian metric.

The dissimilarities between shapes of two contours are quantified using lengths of geodesic paths between the corresponding points on the shape space (Task 2). This process naturally includes registration of points along the curves (Task 1). Additionally, tools for statistical analysis of shapes, such as computations of moments or probability models on shape space, are derived. In particular, the concept of an average shape is developed on the shape space (Task 3). Probability models, estimated from the training shapes in a shape class (Task 4), are used for future Bayesian inferences on image data.

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Functional and Shape Data Analysis by Anuj Srivastava

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