2-D and 3-D Image Registration: for Medical, Remote Sensing, by A. Ardeshir Goshtasby PDF

By A. Ardeshir Goshtasby

ISBN-10: 0471649546

ISBN-13: 9780471649540

ISBN-10: 3175723993

ISBN-13: 9783175723998

A definitive and entire evaluation of present literature and the main innovative applied sciences within the box of photograph registration. rather well geared up and written. a must have for machine experts.

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Additional info for 2-D and 3-D Image Registration: for Medical, Remote Sensing, and Industrial Applications

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1 lM−2 1 14 PREPROCESSING (a) (b) (c) (d) Fig. 4 (a) An outdoor scene image. 48, respectively.   U=  u0 1 u1  1 u2 . . 16) uM−1 u0 = α, li−1 = β/ui−1 , and ui = α − li−1 , for i = 1, . . 13) by bLUf (j) = g(j). 17), by forward substitution an unknown vector Y is determined using LY = g(j), and using bUf (j) = Y, f (j) is determined by back substitution. Assuming Y (i) is the ith element of Y, g(i, j) is the ijth element of g, and f (i, j) is the ijth element of f , the following algorithm computes f given g and r.

Various methods for detecting corners in an image have been developed. Corners in an image are determined by locating points that have locally 2-D and 3-D Image Registration, by A. Ardeshir Goshtasby ISBN 0-471-64954-6 Copyright c 2005 John Wiley & Sons, Inc. 43 44 FEATURE SELECTION maximum cornerness measures. Various cornerness measures have been proposed. 1) then det(C) can be used as a cornerness measure. C is called the inertia matrix. This cornerness measure has been used by Rohr [327], while the normalized version of it, det(C)/tr(C), has been used by F¨orstner [125] to detect corners in an image.

M − 1. These assumptions will result in some inaccuracies in estimations of values at image borders. 11) may be written in matrix form by g = Bf , where  1  a  B=   b 1 a b 1 a . . b 1 a b 1     . 12) M×M Note that matrix B is completely determined when filter r is given. The problem in inverse filtering, therefore, is determining the original image f given the blurred image g. Taking advantage of the special form of matrix B, image f can be determined column by column. Assuming f (j) and g(j) are the jth columns of f and g, respectively, f (j) can be determined by solving Bf (j) = g(j).

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2-D and 3-D Image Registration: for Medical, Remote Sensing, and Industrial Applications by A. Ardeshir Goshtasby


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