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# sabitri

Last seen: 3 mois il y a Actif depuis 2022

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Question

I HAVE A KEY WHICH IS 1*16 MATRIX. HOW CAN I DETERMINE IT'S BIT SIZE?
KEY=[0 0 1 0 3 12 8 7 7 8 12 3 0 1 0 0]

4 mois il y a | 3 réponses | 0

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HOW CAN I DEAL WITH NEGATIVE VALUS I AM RECEIVING AFTER PERFORMING DECOMPOSITION
I have performed periodic plus smooth decomposition on u.. Now i am getting p and s as periodic , smooth component. But they con...

4 mois il y a | 1 réponse | 0

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Question

WHEN I AM RUNNING THIS CODE I AM RECEIVING ERROR IS CASE OF CONVERSION FROM LAB TO RGB. HERE I HAVE WORKED WITH B COMPONENT.HOW CAN I COMBINE 3 CHANNEL AND GER RID OF FROM ERR
C = imread('Lena.png'); lab = rgb2lab(C); L=lab(:,:,3); A=lab(:,:,1); B=lab(:,:,2); %imshow(L); output_size = ...

4 mois il y a | 1 réponse | 0

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HOW CAN I WRITE THE INVERSE FUNCTION OF PERIODIC PLUS SMOOTH DECOMPOSITION. I HAVE TAKEN A 360*360 MATRIX AND DIVIDED IT INTO 90 BLOCKS THEN PERFORMED DECOMPOSITION ON EACH
function [p1,s] = perdm_fun(b) [ny,nx] = size(b); b = double(b); X = 1:nx; Y = 1:ny; v = zeros(ny,nx); v(1,X) = b(1,X)-b...

4 mois il y a | 1 réponse | 0

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Question

WHEN I AM EXECUTING THIS CODE I GET A JULIA IMAGE .HOW CAN I READ THIS IMAGE IN THE CODE AND USE THIS TO GENERATE KEY FOR ENCRYPTION CRYPTION
x = linspace(-1.3,1.3,501); y = linspace(-1.3,1.3,501); [X,Y] = meshgrid(x,y); C = ones(size(X))*(0.360284+0.100376*1i); Z_m...

4 mois il y a | 2 réponses | 0

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Question

I HAVE CONVERTED AN IMAGE FROM RGB TO LAB AND SELECTED B COMPONENT TO APPLY FAN BEAM TRANSFORM...BUT I AM GETTING 361*360 WHICH CAN NOT BE DIVIDED INTO SQUARE MATRIX
C = imread('lena.png'); lab = rgb2lab(C); L=lab(:,:,3); imshow(L); output_size = max(size(L)); D = 315.25; dsen...

4 mois il y a | 1 réponse | 0

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I HAVE WRITTEN THE FOLLOWING CODE AND NOW I WANT TO CONVERT THE 'D' IMAGE INTO 8*8 BLOCKS AND LATER I WANT TO APPLY THE FAN BEAM TRANSFORM
C = imread('b.jpg'); image(C) A=rgb2gray(C); subplot(1,1,1) %imshow(A); [r,c]=size(A); D=A(1:2:r,1:2:c); figure,i...

4 mois il y a | 1 réponse | 0

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I AM WRITTINF THIS CODE AND GETTING THE FOLLOWING WARNING
clc clear all u= imread('b.jpg'); A=rgb2gray(u); Warning: Function image has the same name as a MATLAB builtin. We sug...

4 mois il y a | 1 réponse | 0

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Question

WHEN I AM RUNNING THIS CODE I AM GETTING FOLLOWING ERROR
function [p,s] = perdecomp(u) [ny,nx] = size(u); u = double(u); X = 1:nx; Y = 1:ny; v = zeros(ny,nx); v(1,X) =...

4 mois il y a | 1 réponse | 0

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