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Question
Compute block-wise standard deviation
i have converted 80*80 image into blocks. next i converted blocks to linear array. now i need to find standard deviation of firs...
plus de 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
i have an array, named ersum which have 20000 columns (1*20000). i need to find minimum value of first 50 columns. next minimum value of next 50 columns and so on upto last 50 in that 20000 columns. please send suitable code. thank you sir.
if ersum(:,counter)<ersum(:,counter+1) minind(:,k)=counter; else minind(:,k)=counter+1; ...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
i had converted image into blocks. I converted blocks to linear array. Next i calculated mean values for first 8 arrays as given below. now i want to calculate values by using the formula: sum(linear array(:,1)-mean(:,1)).^2. please send code.
for i=1:4:nr-3 for j=1:4:nc-3 block=I(i:i+3,j:j+3); %convert 4X4...
plus de 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
i had converted image into blocks. I converted blocks to linear array. Next i calculated mean values for first 8 arrays as given below. now i want to calculate error values by using the formula: sum(linear array(:,1)-mean(:,1)).^2. please send code.
for i=1:4:nr-3 for j=1:4:nc-3 block=I(i:i+3,j:j+3); %convert 4X4 into 16X1 colum...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
i had converted image into blocks. I converted blocks to linear array. Next i calculated mean values for first 8 arrays as given below. now i want to convert mean values to linear array again. please send suitable code. please don't ignore it. help .
for i=1:4:16 for j=1:4:16 block=I(i:i+3,j:j+3); %convert 4X4 int...
plus de 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
i have array cv which contains 16 rows & 2 columns. i need to find index of any one column. for ex, ans=2 or ans=1. i tried the following code. but it doesn't give the correct answer.please send the code.thank u sir.
[ind]=find(cv(:,z),2)
plus de 9 ans il y a | 1 réponse | 0
