Question

canzed form of anyone tell me the matrix which Shapiro used in EZW method, is the quantized form of which image
which image can be converted into that matrix

presque 11 ans il y a | 1 réponse | 0

Question

i want to implement DPCM on LL band of the image after applying DWT.
can anyone help me in this with code or verbal suggestions as I am new in this field.

presque 11 ans il y a | 1 réponse | 0

Question

can i calculate PSNR of a single image in MATLAB
PSNR calculation

presque 11 ans il y a | 2 réponses | 0

Question

i am getting the error "Undefined function 'psnr' for input arguments of type 'uint8'" in executing the code below
ref = imread('pout.tif'); A = imnoise(ref,'salt & pepper', 0.02); [peaksnr, snr] = psnr(A, ref); fprintf('\n The Peak-S...

presque 11 ans il y a | 1 réponse | 0

Question

i am getting error"The input character is not valid in MATLAB statements or expressions" in this piece of code.
SNR = 10*log10(SigVar/((std2(A1 - A2))^2));

presque 11 ans il y a | 1 réponse | 0

Réponse apportée
INV(A)*b can be slower and lass accurate than A/b./ consider using A/b for INV(A)*b or b/A for b*INV(A). how to get rid of this warning
yes, division operation is working. thanks

presque 11 ans il y a | 0

Question

INV(A)*b can be slower and lass accurate than A/b./ consider using A/b for INV(A)*b or b/A for b*INV(A). how to get rid of this warning
i am getting this errror in the following code alfa = inv([r00 r11 r10 r12; r11 r00 r01 r01;r10 r01 r00 r02; r12 r01 r02 r00])*...

presque 11 ans il y a | 2 réponses | 0

Question

hi, i am using this code.....alfa = inv([r00 r11 r10 r12; r11 r00 r01 r01;... r10 r01 r00 r02; r12 r01 r02 r00])*[r01 r10 r11 r11]; in which i am getting the error"Error using * Inner matrix dimensions must agree"
i also changed the position of inv, but then also its not working

presque 11 ans il y a | 1 réponse | 0

Question

alfa = inv([r00 r11 r10 r12; r11 r00 r01 r01;... r10 r01 r00 r02; r12 r01 r02 r00])*[r01 r10 r11 r11];
i am getting error in this code. can anyone help?

presque 11 ans il y a | 1 réponse | 0

Question

how to perform quantization on a image
quantization

presque 11 ans il y a | 1 réponse | 0

Question

I want to implement dpcm for image compression.
provide me with the code

presque 11 ans il y a | 1 réponse | 0

Question

I want hte code to implement DPCM
dicrete pulse code implementation

presque 11 ans il y a | 1 réponse | 0

Question

want the code for 1 level DWT
DWT code

presque 11 ans il y a | 1 réponse | 0

Question

please provide me with the code for DWT of N Image
i badly need this

presque 11 ans il y a | 1 réponse | 0