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Awarded to tina jain on 09 Oct 2019
Accept 5 answers given by other contributors
Awarded to tina jain on 20 Jul 2017
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please explain size function in MATLAB
if(size(img,3) == 1) disp('Error: Pick a color image'); return;
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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?
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Does operating speed of MATLAB depends on hardware?
Will MATLAB work faster on Desktop than Laptop, if both are of same configurations?
fast 9 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
fast 9 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
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...
fast 9 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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* ...
etwa 9 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
etwa 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 9 Jahre vor | 1 Antwort | 0
1
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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 = [...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
I want a differential pulse code modulation(DPCM) matlab code for images
how to apply DPCM on images
mehr als 9 Jahre vor | 1 Antwort | 0
1
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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 ) ...
fast 10 Jahre vor | 1 Antwort | 0
1
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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
fast 10 Jahre vor | 1 Antwort | 0
1
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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)
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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....
fast 10 Jahre vor | 0 Antworten | 0
0
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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...
fast 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
how to convert bpp(bits per pixel to compression ratio)?
e.g. let bpp is 0.1870....than what will be the compression ratio?
fast 10 Jahre vor | 1 Antwort | 0
1
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hello experts...see I am executing a code....want some suggestions
My code is %script----------------------------------% X= ' PPtPPPPP'; lengh=numel(X); aaAA=estring(X); ...
fast 10 Jahre vor | 1 Antwort | 0
1
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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...
fast 10 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
fast 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
download test images for MATLAB
can any one tell me about website for download test images from it ?
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
how to convert this image to the original one?
<</matlabcentral/answers/uploaded_files/29795/mm.png>> <</matlabcentral/answers/uploaded_files/29796/lena_2.bmp>> ...
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
fast 10 Jahre vor | 0 Antworten | 0
0
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