Optimization Techniques in Computer Vision

Ill-Posed Problems and Regularization

Autor: MONGI A. ABIDI

Język:

Oprawa: Miękka

Wydawca: Springer International Publishing AG

Dostępność: Dostępna u dostawcy

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This book presents practical optimization techniques used in image processing and computer vision pr...

Informacje o książce

Autor

MONGI A. ABIDI

Język

Angielski

Oprawa

Książka - Miękka

Data wydania

2018

strony

293

EAN

9783319835013

ISBN

9783319835013

Enbook ID

19821862

Wydawca

Springer International Publishing AG

Waga

480

Wymiary

155 x 235 x 17

Pełny opis

This book presents practical optimization techniques used in image processing and computer vision problems. Ill-posed problems are introduced and used as examples to show how each type of problem is related to typical image processing and computer vision problems. Unconstrained optimization gives the best solution based on numerical minimization of a single, scalar-valued objective function or cost function. Unconstrained optimization problems have been intensively studied, and many algorithms and tools have been developed to solve them. Most practical optimization problems, however, arise with a set of constraints. Typical examples of constraints include: (i) pre-specified pixel intensity range, (ii) smoothness or correlation with neighboring information, (iii) existence on a certain contour of lines or curves, and (iv) given statistical or spectral characteristics of the solution. Regularized optimization is a special method used to solve a class of constrained optimization problems. The term regularization refers to the transformation of an objective function with constraints into a different objective function, automatically reflecting constraints in the unconstrained minimization process. Because of its simplicity and efficiency, regularized optimization has many application areas, such as image restoration, image reconstruction, optical flow estimation, etc. Optimization plays a major role in a wide variety of theories for image processing and computer vision. Various optimization techniques are used at different levels for these problems, and this volume summarizes and explains these techniques as applied to image processing and computer vision.

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Ill-Posed Problems and Regularization

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