This book presents the mathematics of wavelet theory and its applications in a broader sense, comprising entropy encoding, lifting scheme, matrix factorization, and fractals. It also encompasses image compression examples using wavelet transform and includes the principal component analysis which is a hot topic on data dimension reduction in machine learning.Readers will find equal coverage on the following three themes:• a selection of practical projects and algorithms;• the theory underpinning the subjects;• the important interplay between theory and applications.The book entails a varied choice of diverse interdisciplinary themes. While the topics can be found in various parts of the pure and applied literature, this book fulfills the need for an accessible presentation which cuts across the fields.As the target audience is wide-ranging, a detailed and systematic discussion of issues involving infinite dimensions and Hilbert space is presented in later chapters on wavelets, transform theory and, entropy encoding and probability. For the problems addressed there, the case of infinite dimension will be more natural, and well-motivated.Key Features: oThe book features wavelet algorithms, multiresolutions in both mathematics and engineering, resolution and detailed data, fractals, entropy encoding and principal component analysis which are diverse and powerful tools to make it more accessible to studentsoThe text offers new viewpoints, and with hands-on projects; ideas and projects the authors have tested with studentsoThe connection between multiresolutions as they arise in both mathematics, and in their incarnations in applications, for example, in the processing of the algorithm to greyscale numbers in digital images. (In color images, the algorithm further entails a mix of the three basic colors.)oSimple matrix examples for wavelet decomposition and reconstruction as well as principal component analysis to make the presentation student friendly. It is inspired by a variety of student projects the authors have directed over the past decadeoIn order not to interrupt the flow of topics inside the book, background-theory topics are appended at the end of the book

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