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Digital image processing with matlab

At one image RxC which center is (R/2 , C/2) the polar coordinations of one pixel(x,y) is:

ρ = sqrt( (x-R)^2 + (y-C/2)^2 ) and θ = tan^-1(y/x)

Τhese transformations changing not linear ρ(or/and θ) of a pixel to a new value ρ' (θ') in order the new brightness to be result of the pixel which is nearest to the new polar coordinations. This pixel is calculating with the conversion from polar to cartesian coordinates:

x' = (R/2) + ρ'cos(θ')

y' = (C/2) + ρ'sin(θ')

I want to write a function [Rho, Theta] = PolarCoord(R,C). This function is giving the polar coordinates for every pixel of an image RxC.

Secondly, i want to write a function

Iout = ImageSpecialEffect(I , Rho , Theta)

This fuction it will take for input the image I and the transformated polar coordinates of the pixels and it must giving output the distorted image.

I must apply the below tranformations to [url removed, login to view](I have sent you the transformations and the image)

Habilidades: Mathlab y Mathematica

Ver más: r image processing, image processing in r, write matlab, sin cos, polar, new matlab, MATLAB image, image processing, Digital image processing, function linear, matlab linear, image processing coordinates, conversion pixel, function matlab, cartesian, digital output, Matlab function, matlab ultrasound image processing, matlab mathematica image processing, matlab dicom image processing, matlab codes image processing, matlab based image processing projects, image processing matlab mathematica, image processing mathematica matlab, gud projects matlab based image signal processing

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( 0 comentarios ) India

ID de proyecto: #7076987

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Allaoua

Hi, By the way the polar equation is miswritten: here what it should be: ρ = sqrt( (x-R/2)^2 + (y-C/2)^2 ) and θ = atan(y/x) I can make you the two scripts with an hour. please provide more details about the trans Más

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