aaru sri

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提问

my UACI parameter is wrong or write i dont know its values
UACI values are coming in 1.4*10-07 in the power of -7

6 years 前 | 0 个回答 | 0

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提问

i am not having the correct value of UACI but my NPCR value obtaining is correct
I have used the defined file exchange from matlab but i m not getting my correct results for UACI

6 years 前 | 0 个回答 | 0

0

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提问

how to compute correlation coefficient of rgb image
i have 256*256*3 image and i want to find horizontal,vertical,diagonal of it which can give me only 1 value

6 years 前 | 0 个回答 | 0

0

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提问

random gaussian noise with zero mean and unity variance
Subscript indices must either be real positive integers or logicals. Error in fffff kk1=kk1(1+(0.1).*array_gaussian_noise);...

6 years 前 | 1 个回答 | 0

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提问

can i find correlation cofficient of uint8 one
i have uint8 image

6 years 前 | 0 个回答 | 0

0

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提问

how to calculate psnr value of rgb image
i want one psnr value of my reconstructed image

6 years 前 | 1 个回答 | 0

1

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提问

NPCR VALUE FOR ENCRYPTED IMAGE 256*256
I M TRYING TO FIND THE NPCR VALUE FOR R G B SEPERATELY .........OF 2 ENCRYPTED IMAGE WITH 1 PIXEL DIFFERANCE ON LOCATION [128 12...

6 years 前 | 0 个回答 | 0

0

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提问

how can i save the matrix in my program and use it in another program fr calculation
saving..and tn loading from one program to another

6 years 前 | 1 个回答 | 0

1

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已回答
how to find pixel value of an image
how to make a one pixel change in it

6 years 前 | 1

提问

i want an new image with one pixel differance
i hv lena image of [256 256 3] now i hv to chnge one pixel .....in it

6 years 前 | 1 个回答 | 0

1

个回答

已回答
how to use fractional Fourier transform on image in matlab
but how can we do its inverse

6 years 前 | 0

已回答
The inverse of the continous Fractional Fourier Transform (FrFT)
i m also trying vsame thing but not getting its inverse correct

6 years 前 | 0

提问

how to implement fractional fourier transform on a complex image with the combination of phase and amplitude
a=mag.exp(i*angle); how to find fractional fourier of a

6 years 前 | 0 个回答 | 0

0

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inverse of mod function
x=amod(256); now i hv to find a where x is given

6 years 前 | 2 个回答 | 0

2

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提问

phase and amplitude values changes when doing reverse in encryption
d1=bb1.*exp(1i*2*pi*bbbb); d12=abs(d1); d13=angle(d1); d16=d13./(2*pi); d2=d1.*m2; %%%m1 and m2 is mask d3=ifft(d2);...

6 years 前 | 0 个回答 | 0

0

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reverse of bitxor i m not getting value
%%Error using bitxor %%Double inputs must have integer values in the range of ASSUMEDTYPE. code--- fx1=bitxor(j1,fx); plz he...

6 years 前 | 0 个回答 | 0

0

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已回答
how to perform bitwise XOR operation and scramble two matrices
Error using bitxor Double inputs must have integer values in the range of ASSUMEDTYPE. %%%%%above is the error coming fx1=b...

6 years 前 | 0

提问

how can i seperate the value exp(1i*2*pi*bbbb);
x1=exp(1i*2*pi*bbbb); d1=bb1.*exp(1i*2*pi*bbbb); d2=abs(d1); d3=angle(d1); d4=exp(1i*d3); %value are not same as x1 %h...

6 years 前 | 4 个回答 | 0

4

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已回答
how can i seperate the value exp(1i*2*pi*bbbb);
i want to find the value of x1 from the d1

6 years 前 | 0

已回答
Hi, I am working on Some code I could find the Function for Log but not for any Antilog option.
thnk u so much my prob is solved

6 years 前 | 0

已回答
Hi, I am working on Some code I could find the Function for Log but not for any Antilog option.
if i have y=exp(i*2*pi*x) and i want to find x how i cn do it

6 years 前 | 0