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From Fourier Analysis to Wavelets (Hardcover, 1st ed. 2015): Jonas Gomes, Luiz Velho From Fourier Analysis to Wavelets (Hardcover, 1st ed. 2015)
Jonas Gomes, Luiz Velho
R3,840 Discovery Miles 38 400 Ships in 10 - 15 working days

This text introduces the basic concepts of function spaces and operators, both from the continuous and discrete viewpoints. Fourier and Window Fourier Transforms are introduced and used as a guide to arrive at the concept of Wavelet transform. The fundamental aspects of multiresolution representation, and its importance to function discretization and to the construction of wavelets is also discussed. Emphasis is given on ideas and intuition, avoiding the heavy computations which are usually involved in the study of wavelets. Readers should have a basic knowledge of linear algebra, calculus, and some familiarity with complex analysis. Basic knowledge of signal and image processing is desirable. This text originated from a set of notes in Portuguese that the authors wrote for a wavelet course on the Brazilian Mathematical Colloquium in 1997 at IMPA, Rio de Janeiro.

Image Processing for Computer Graphics and Vision (Paperback, 2nd ed. 2009): Silvio Levy Image Processing for Computer Graphics and Vision (Paperback, 2nd ed. 2009)
Silvio Levy; Luiz Velho, Alejandro C. Frery, Jonas Gomes
R1,618 Discovery Miles 16 180 Ships in 10 - 15 working days

Image processing is concerned with the analysis and manipulation of images by computer. Providing a thorough treatment of image processing with an emphasis on those aspects most used in computer graphics, the authors concentrate on describing and analyzing the underlying concepts rather than on presenting algorithms or pseudocode. As befits a modern introduction to this topic, a good balance is struck between discussing the underlying mathematics and the main topics: signal processing, data discretization, the theory of colour and different colour systems, operations in images, dithering and half-toning, warping and morphing and image processing. This second edition reflects recent trends in science andtechnology that exploit image processing in computer graphics and vision applications. Stochastic image models and statistical methods for image processing are covered as are: A modern approach and new developments in the area, Probability theory for image processing, Applications in image analysis and computer vision.

Implicit Objects in Computer Graphics (Paperback, Softcover reprint of the original 1st ed. 2002): Luiz Velho, Jonas Gomes,... Implicit Objects in Computer Graphics (Paperback, Softcover reprint of the original 1st ed. 2002)
Luiz Velho, Jonas Gomes, Luiz H. De Figueiredo
R2,931 Discovery Miles 29 310 Ships in 10 - 15 working days

Implicit definition and description of geometric objects and surfaces plays a critical role in the appearance and manipulation of computer graphics. In addition, the mathematical definition of shapes, using an implicit form, has pivotal applications for geometric modeling, visualization and animation. Until recently, the parametric form has been by far the most popular geometric representation used in computer graphics and computer-aided design. Whereas parametric objects and the techniques associated with them have been exhaustively developed, the implicit form has been used as a complementary geometric representation, mainly in the restricted context of specific applications. However, recent developments in graphics are changing this situation, and the community is beginning to draw its attention to implicit objects. This is reflected in the current research of aspects related to this subject. Employing a coherent conceptual framework, Implicit Objects in Computer Graphics addresses the role of implicitly defined objects in the following parts: mathematical foundations of geometric models, implicit formulations for the specification of shapes, implicit primitives, techniques for constructing and manipulating implicit objects, modeling, rendering and animating implicit objects.

Implicit Objects in Computer Graphics (Hardcover): Luiz Velho, Jonas Gomes, Luiz H. De Figueiredo Implicit Objects in Computer Graphics (Hardcover)
Luiz Velho, Jonas Gomes, Luiz H. De Figueiredo
R3,084 Discovery Miles 30 840 Ships in 10 - 15 working days

Implicit definition and description of geometric objects and surfaces plays a critical role in the appearance and manipulation of computer graphics. In addition, the mathematical definition of shapes, using an implicit form, has pivotal applications for geometric modeling, visualization and animation. Until recently, the parametric form has been by far the most popular geometric representation used in computer graphics and computer-aided design. Whereas parametric objects and the techniques associated with them have been exhaustively developed, the implicit form has been used as a complementary geometric representation, mainly in the restricted context of specific applications. However, recent developments in graphics are changing this situation, and the community is beginning to draw its attention to implicit objects. This is reflected in the current research of aspects related to this subject. Employing a coherent conceptual framework, Implicit Objects in Computer Graphics addresses the role of implicitly defined objects in the following parts: mathematical foundations of geometric models, implicit formulations for the specification of shapes, implicit primitives, techniques for constructing and manipulating implicit objects, modeling, rendering and animation implicit objects. Topics and features: *Broad, conceptual approach covers the fundamental algorithms and ideas *Integrated and up-to-date overview of the main developments surrounding implicit objects *Organized and cohesive presentation combines theory and practice *Provides thorough explanation of key problems and challenges in the field

Mathematical Optimization in Computer Graphics and Vision (Hardcover): Luiz Velho, Paulo Carvalho, Jonas Gomes, Luiz De... Mathematical Optimization in Computer Graphics and Vision (Hardcover)
Luiz Velho, Paulo Carvalho, Jonas Gomes, Luiz De Figueiredo
R1,661 Discovery Miles 16 610 Ships in 12 - 17 working days

Mathematical optimization is used in nearly all computer graphics applications, from computer vision to animation. This book teaches readers the core set of techniques that every computer graphics professional should understand in order to envision and expand the boundaries of what is possible in their work.
Study of this authoritative reference will help readers develop a very powerful tool- the ability to create and decipher mathematical models that can better realize solutions to even the toughest problems confronting computer graphics community today.
The authors are renowned researchers from IMPA, the Brazilian National Institute for Pure and Applied Mathematics.
*Distils down a vast and complex world of info on optimization into one short, self-contained volume especially for computer graphics
*Helps CG professionals identify the best technique for solving particular problems quickly, by categorizing the most effective algorithms by application
*Keeps readers current by supplementing the focus on key, classic methods with special end-of-chapter sections on cutting-edge developments

Computer Graphics - Theory and Practice (Hardcover): Jonas Gomes, Luiz Velho, Mario Costa Sousa Computer Graphics - Theory and Practice (Hardcover)
Jonas Gomes, Luiz Velho, Mario Costa Sousa
R2,994 Discovery Miles 29 940 Ships in 12 - 17 working days

Computer Graphics: Theory and Practice provides complete and integrated coverage of the subject, including geometric modeling, graphics interface, and visualization. It focuses on conceptual aspects of computer graphics, covering fundamental mathematical models as well as the inherent problems encountered in the implementation of the models. The approach assumes only a fundamental knowledge of calculus and linear algebra and provides the basis for an introductory course.

The text offers a global conceptual view of the field and an understanding of its main problems. For each problem, solution strategies are compared and presented in algorithmic form and complete working implementations are provided in the C language. The complete C source code for the implementation of all the algorithms can be accessed from the book 's website. Together, the book and electronic portion enable readers to understand and practice with the basic techniques involved in the implementation of a 3D graphics system.

From Fourier Analysis to Wavelets (Paperback, Softcover reprint of the original 1st ed. 2015): Jonas Gomes, Luiz Velho From Fourier Analysis to Wavelets (Paperback, Softcover reprint of the original 1st ed. 2015)
Jonas Gomes, Luiz Velho
R2,448 Discovery Miles 24 480 Ships in 10 - 15 working days

This text introduces the basic concepts of function spaces and operators, both from the continuous and discrete viewpoints. Fourier and Window Fourier Transforms are introduced and used as a guide to arrive at the concept of Wavelet transform. The fundamental aspects of multiresolution representation, and its importance to function discretization and to the construction of wavelets is also discussed. Emphasis is given on ideas and intuition, avoiding the heavy computations which are usually involved in the study of wavelets. Readers should have a basic knowledge of linear algebra, calculus, and some familiarity with complex analysis. Basic knowledge of signal and image processing is desirable. This text originated from a set of notes in Portuguese that the authors wrote for a wavelet course on the Brazilian Mathematical Colloquium in 1997 at IMPA, Rio de Janeiro.

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