Domanda

code problem of semivariogram
clc; close all; clear all; x=10+sqrt(50)*randn(400,1); y=2+sqrt(30)*randn(400,1); [a,b]=si...

quasi 12 anni fa | 1 risposta | 0

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Domanda

i need matrix n which generated
snr=mean2(I./n)=0.5 ;where I is original image matrix and n is a noise matrix of same size of I. if i have 'I',i need matr...

quasi 12 anni fa | 1 risposta | 0

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Domanda

calculate signal power of image
how to calculate signal power of image in matlab?

quasi 12 anni fa | 2 risposte | 0

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Domanda

that actual snr is
one person say me that actual snr is,,, if noiseImage=noisyImage-originalImage then actual snr=mean(originalImage./abs(n...

quasi 12 anni fa | 1 risposta | 0

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Domanda

how n(20*20 matrix) can obtain
mean(s./n)=0.5 s= 1 2 3 4 5 ...20 20 19 18 17 16....1 ...

quasi 12 anni fa | 1 risposta | 0

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Domanda

tthis right way to find
a=sqrt(0.5)*randn(400) snr=1/0.5 %0.5 is variance and signal=1 consider as normalized snrdb=10*log(snr) ...

quasi 12 anni fa | 1 risposta | 0

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Domanda

if i have no information of original image
if i have no information of original image and i do not add noise manually and i have just noisy image then how can i find sign...

quasi 12 anni fa | 2 risposte | 0

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Domanda

my question is that
a=randn(400); generates 400*400 matrix in matlab, my question is that this function generates different mean and variance ma...

quasi 12 anni fa | 1 risposta | 0

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Domanda

nugget variance from semivariogram
how to calculate nugget variance from semivariogram? http://www.mathworks.com/matlabcentral/fileexchange/20355-experimental...

quasi 12 anni fa | 0 risposte | 0

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Domanda

how can create matrix(image matrix) of 3db snr(signal to noise ratio) in matlab?
how can create matrix(image matrix) of 3db snr(signal to noise ratio) in matlab?

quasi 12 anni fa | 2 risposte | 0

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Risposto
Find Min/Max Value of a Column in a Matrix
[r c] =find(Buff==min(Buff(:,3)))

quasi 12 anni fa | 0

| accettato

Domanda

how could calculate semi(experimental)variogram of image?
how could calculate semi(experimental)variogram of image?

quasi 12 anni fa | 0 risposte | 0

0

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Domanda

if i add matrix(same size of original image)as a noisy matrix in original image, then how could i get noise of image(original+noisy matrix)?
if i add matrix(same size of original image)as a noisy matrix in original image, then how could i get noise of image(original+n...

quasi 12 anni fa | 2 risposte | 0

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Domanda

how to create homogeneous area from image?
how to create homogeneous area from image?

quasi 12 anni fa | 1 risposta | 0

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Domanda

fun1= normrnd(20,sqrt(0.6),[400 400]); fun1 = 20 + sqrt(0.6)*randn(400); in above function 20 is mean and 0.6 is a variance; fun1 should generate 20 mean and 0.6 variance matrix of 400*400 . but i got 20 mean and variance is 0.0018,,,so what is prob
fun1= normrnd(20,sqrt(0.6),[400 400]); fun1 = 20 + sqrt(0.6)*randn(400); in above function 20 is mean and 0.6 is a variance;...

quasi 12 anni fa | 1 risposta | 0

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Domanda

v = directionalVariogram(img, xoffset, yoffset); in which version of matlab this function is suported? also in which toolbox?
v = directionalVariogram(img, xoffset, yoffset); in which version of matlab this function is suported? also in which toolbox?...

quasi 12 anni fa | 1 risposta | 0

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Domanda

a=rand(400), this function generates 400*400 random matrix a,how could generate matrix a with specified mean and variance.
a=rand(400), this function generates 400*400 random matrix a,how could generate matrix a with specified mean and variance in m...

quasi 12 anni fa | 1 risposta | 0

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Domanda

how could noise OF IMAGE converted into db?
how could SNR OF IMAGE into db?

quasi 12 anni fa | 0 risposte | 0

0

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Domanda

how to add constant noise in image in matlab function?
how to add constant noise in image in matlab function?

quasi 12 anni fa | 2 risposte | 0

2

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Domanda

how could i get semivariogram of image in matlab?
how could i get semivariogram of image in matlab?

quasi 12 anni fa | 0 risposte | 0

0

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Domanda

variogram of image in matlab
variogram of image in matlab

quasi 12 anni fa | 0 risposte | 0

0

risposte

Domanda

how to calculate actual snr of image in matlab?
how to calculate actual snr of image in matlab?

quasi 12 anni fa | 2 risposte | 0

2

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Domanda

how to add constant noise in image?
how to add constant noise in image? imnoise is not function for constant noise,i adds random noise

quasi 12 anni fa | 1 risposta | 0

1

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Domanda

how to add noise in db in image?
how to add noise in db in image?

quasi 12 anni fa | 0 risposte | 0

0

risposte

Domanda

simulation done in keil IDE is possible in matlb?
simulation done in keil IDE is possible in matlb?

quasi 12 anni fa | 0 risposte | 0

0

risposte

Domanda

how to choose homogeneous blocks from image in matlab ?
how to choose homogeneous blocks from image in matlab ? i have divided image into 10*10 window. and then i took standard deviati...

quasi 12 anni fa | 0 risposte | 0

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Domanda

i have two array x=[1 6 8 9],y=[3 6 9 14],then i plot (x,y) in matlab. i have no linear equation of x,y. i have only above array of x and y. if value of x is 4 then what is the value of y. is it possible using logic?
i have two array x=[1 6 8 9],y=[3 6 9 14],then i plot (x,y) in matlab. i have no linear equation of x,y. i have only above array...

quasi 12 anni fa | 2 risposte | 0

2

risposte

Domanda

i have two array x=[1 6 8 9],y=[3 6 9 14],then i plot (x,y) in matlab. i have no linear equation of x,y. i have only above array of x and y. if value of x is 4 then what is the value of y.
i have two array x=[1 6 8 9],y=[3 6 9 14],then i plot (x,y) in matlab. i have no linear equation of x,y. i have only above a...

quasi 12 anni fa | 1 risposta | 0

1

risposta

Domanda

how to implement linear eauation from points (x1,y1),(x2,y2),(x3,y3),(x4,y4) and so on in xy plane in matlab
how to implement linear eauation from points (x1,y1),(x2,y2),(x3,y3),(x4,y4) and so on in xy plane in matlab

circa 12 anni fa | 1 risposta | 0

1

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Domanda

how to add salt &pepper,gaussian noise (in 3 db)in image in matlab
how to add salt &pepper,gaussian noise (in 3 db)in image in matlab

circa 12 anni fa | 1 risposta | 0

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