질문

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

11년 초과 전 | 답변 수: 0 | 0

질문

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.

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질문

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

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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...

11년 초과 전 | 답변 수: 1 | 0

질문

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));

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답변 있음
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

11년 초과 전 | 0

질문

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])*...

11년 초과 전 | 답변 수: 2 | 0

질문

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

11년 초과 전 | 답변 수: 1 | 0

질문

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?

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질문

how to perform quantization on a image
quantization

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

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질문

I want hte code to implement DPCM
dicrete pulse code implementation

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want the code for 1 level DWT
DWT code

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질문

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

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