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tina jain


2015 年からアクティブ

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質問


please explain size function in MATLAB
if(size(img,3) == 1) disp('Error: Pick a color image'); return;

約7年 前 | 1 件の回答 | 0

1

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質問


is it possible to substitute multiplication and division by addition and subtraction respectively in MATLAB?
is it possible to substitute multiplication and division by addition and subtraction respectively in MATLAB?

約7年 前 | 1 件の回答 | 0

1

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質問


Does operating speed of MATLAB depends on hardware?
Will MATLAB work faster on Desktop than Laptop, if both are of same configurations?

8年以上 前 | 0 件の回答 | 0

0

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質問


How can I convert a lena.bmp image to lena.tif?
Is there any function in MATLAB which convert the image type? If i rename the name of the image manually from "lena.bmp" to "len...

8年以上 前 | 3 件の回答 | 0

3

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質問


Is image type show any difference in calculating the time to encrypt or decrypt or encrypt and decrypt the image?
Is image type show any difference in calculating the time to encrypt or decrypt or encrypt and decrypt the image? I am calculat...

8年以上 前 | 2 件の回答 | 0

2

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質問


How to calculate PSNR gain?
I want to calculate averge percentage gain for the PSNR values given in the table *s.no PSNR at column 1 PSNR a column 2* ...

9年弱 前 | 2 件の回答 | 0

2

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質問


Can both PSNR and Compression ratio be good for the same image?
I am using a compression algorithm for a image. Then I am calculating both PSNR and compression ratio of the image. I am gettin...

約9年 前 | 1 件の回答 | 0

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質問


How to know about the co-ordinates of a point in a MATLAB plot
<</matlabcentral/answers/uploaded_files/31521/111.png>> how to know about the value of intersection point . Let it be blue...

9年以上 前 | 1 件の回答 | 0

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質問


I am using the inbuilt MATLAB code for a vector, can anyone please tell me how to use the same code for images?
code is at http://in.mathworks.com/help/comm/ug/source-coding.html#fp6485 predictor = [0 1]; % y(k)=x(k-1) partition = [...

9年以上 前 | 1 件の回答 | 0

1

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質問


I want a differential pulse code modulation(DPCM) matlab code for images
how to apply DPCM on images

9年以上 前 | 1 件の回答 | 0

1

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質問


I have few questions regarding string. I have applied Run Length Encoding on a large string. But at the output I am getting some unwanted symbols. why it is so?
function y = estring(str) len = numel(str); %65536 i = 0; count = zeros(1,len); y=[]; while( i<len ) ...

9年以上 前 | 1 件の回答 | 0

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質問


how to remove of single quote from a string?
I am having a string s=' ttt'ppPPrrr'; now I want to remove that single quote in between the string

9年以上 前 | 1 件の回答 | 0

1

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質問


can you please tell me how to remove any special characters from a string in MATLAB?
special characters include anything else from alphabets(a-z) and(A-Z)

9年以上 前 | 1 件の回答 | 0

1

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質問


can you please tell me how to apply run length encoding on the dominant pass list of EZW
I am referring this paper. Please help....

9年以上 前 | 0 件の回答 | 0

0

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質問


I am executing the code given at link and getting the error"Error using bitget Double inputs must have integer values in the range of ASSUMEDTYPE."
http://in.mathworks.com/matlabcentral/fileexchange/2818-huffman-coding-and-arithmetic-coding/content//Arith06.m what is going...

9年以上 前 | 0 件の回答 | 0

0

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質問


how can I eliminate space between characters of a string?
e.g. let my string is this t P t P t P t P t P t P t P t P t P t How to convert this string with no white...

9年以上 前 | 1 件の回答 | 0

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質問


how to convert bpp(bits per pixel to compression ratio)?
e.g. let bpp is 0.1870....than what will be the compression ratio?

9年以上 前 | 1 件の回答 | 0

1

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質問


hello experts...see I am executing a code....want some suggestions
My code is %script----------------------------------% X= ' PPtPPPPP'; lengh=numel(X); aaAA=estring(X); ...

9年以上 前 | 1 件の回答 | 0

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質問


I want to know if I am calculating the results are right?
I have applied run length encoding on a string or characters. Let it be 'ttttttPPttttttPPNNNtttttt' which after Run lengt...

9年以上 前 | 2 件の回答 | 0

2

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質問


How to calculate the PSNR of the complete image
I have applied 1 level DWT on a lena image. After this I have applied image compression technique , separately on each subband(L...

9年以上 前 | 0 件の回答 | 0

0

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質問


calculation of PSNR cetween two images
If I am calculating PSNR of a image then should I use PSNR=psnrtest(Original_image,reconstructed_image) OR Original...

9年以上 前 | 1 件の回答 | 0

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質問


I am executing the code below for run length encoding, how to make code for inverse Run Length encoding to get the decompressed image?
my code for RLE is function y = estring(str) len = numel(str); %65536 i = 0; count = zeros(1,len); y=[]; wh...

9年以上 前 | 0 件の回答 | 0

0

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質問


download test images for MATLAB
can any one tell me about website for download test images from it ?

9年以上 前 | 1 件の回答 | 0

1

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質問


PSNR of two unequal matrices
If I am executing a code of run length encoding on an image matrix, giving me an another image matrix of not of that size(due t...

9年以上 前 | 0 件の回答 | 0

0

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質問


converting numbers to matrix(matrix formation)
If I am having some numbers, e.g x=[ 12 12 12 2 2 2 2 3 3 ]; and now I want to convert into a matrix of 3 * 3. Which M...

9年以上 前 | 1 件の回答 | 0

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質問


how to convert this image to the original one?
<</matlabcentral/answers/uploaded_files/29795/mm.png>> <</matlabcentral/answers/uploaded_files/29796/lena_2.bmp>> ...

9年以上 前 | 1 件の回答 | 0

1

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質問


can anyone please convert this codef or 512*512*3 lena image, it is working well with * lena image
close all; clear all; clc; *[A,map]=imread('lena_2.bmp'); RGB = ind2rg...

9年以上 前 | 0 件の回答 | 0

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質問


see I am executing the code at the link given, but why it is not working on a 512* 512 , 8 bit image
http://in.mathworks.com/matlabcentral/fileexchange/39925-1d-2d-discrete-wavelet-transform/content/DWT/dwt.m While the code is w...

9年以上 前 | 1 件の回答 | 0

1

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質問


value of compression ratio can be 11 ?
value of compression ratio can be 11 ? or there is a fix range for compression ratio? if yes then what is that I am executing...

9年以上 前 | 0 件の回答 | 0

0

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質問


why 512 * 512 png image is executing properly the DWT code while 512*512 mbp image is not
close all; clear all; map=gray(256); % get db filter length 6 [Lo_D,Hi_D,Lo_R,Hi_R] = wfilters('bior5.5'); imDat...

9年以上 前 | 0 件の回答 | 0

0

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