Renjith V Ravi
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Question
How to Write file names of multiple images to a csv file.?
From the code below,I got the file names of multiple images from a folder. clear all close all clc Directory = 'Im...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
How to read all types images from the folder regardless of file extension ?
The below is my code clear all close all clc Directory = 'Images_folder\'; % Read images from Images folder ...
plus de 6 ans il y a | 4 réponses | 0
4
réponsesQuestion
Which parameters ore metrics can be used to differentiate two simple speach signals recorded using the following code?
I have used the following code to record and write speech signals clc clear all close all % Record the voice passw...
presque 7 ans il y a | 1 réponse | 0
0
réponseQuestion
Which of the following method is correct for finding the image compression ratio in matlab
I am using Huffman coding for image compression.Here I have mentioned three methods for finding the compression ratio. ...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Fasten the huffman coding
Is there any possibility to fasten the below code clear all clc %Read the input image Ao=imread('Lena.bmp'); Ao...
plus de 7 ans il y a | 1 réponse | 0
0
réponseQuestion
Finding the compression ratio
I am using the code for SPIHT image compression shown in the link <https://in.mathworks.com/matlabcentral/fileexchange/4808-spih...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Kindly help me to understand the following steps
Please help me to understand, what processing is happening for the variable ' *encoded_img* ' in the following code pos...
plus de 7 ans il y a | 1 réponse | 0
0
réponseQuestion
bitmap size and file size
When I run the code shown in the link <http://in.mathworks.com/matlabcentral/fileexchange/13584-compression-ratio>, i got the ou...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
which one is the correct procedure for summation
I want to implement the following equation <</matlabcentral/answers/uploaded_files/69763/hd.PNG>> Kindly tell me,which met...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Histogram deviation or MDMF
I am trying to calculate the histogram deviation(H.D) or Maximum Deviation Measuring Factor(M.D.M.F) as mentioned in <http://...
plus de 7 ans il y a | 1 réponse | 0
0
réponseQuestion
Calculate Histogram deviation or MDMF
I am trying to calculate the histogram deviation(H.D) or Maximum Deviation Measuring Factor(M.D.M.F) as mentioned in <http:...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Calculating difference between histograms
Can I use the command Z = imabsdiff(X,Y) for calculating the difference between histograms of two images.
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Pixel Shuffling and inverse shuffling
I have tried to shuffle the image using tinkerbell map and Henon Map and obtained the output.But I cant do the inverse shuffling...
plus de 7 ans il y a | 2 réponses | 0
2
réponsesQuestion
Pixel Shuffling using Chaotic Tinkerbell map(https://en.wikipedia.org/wiki/Tinkerbell_map) and Henon Map(https://en.wikipedia.org/wiki/H%C3%A9non_map)
I have tried to do double shuffling of pixels in an image using Tinkerbell mal and Henon Map.The code is shown below. It is show...
plus de 7 ans il y a | 1 réponse | 1
1
réponseQuestion
How to implement the following equations in image encryption
Upto finding D(i,j),I have found below clear all close all clc im1 = imread('lena.bmp');% Read the input image ...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Creation of matrix from loop
The following is a code for creation of matrix using for loop for r = 1:256; for c=1:256; m(r,c) = (r+c)^2; end; e...
presque 8 ans il y a | 1 réponse | 0
1
réponseQuestion
NIST Statistical Test suite SP 800-22
The 15 randomness tests by NIST coded in C language from the link http://csrc.nist.gov/groups/ST/toolkit/rng/documentation_so...
presque 8 ans il y a | 1 réponse | 0
0
réponseQuestion
I am trying to shuffle the pixels of an image using chaotic standard map.But I got an error "Subscript indices must either be real positive integers or logicals."
I am trying to shuffle the pixels of an image using chaotic standard map by modifying the code in the link https://in.mathworks....
presque 8 ans il y a | 1 réponse | 0
1
réponseQuestion
Is it possible to implement the 16 Randomness Tests in Matlab
Mentioned in Chapter 2 of http://csrc.nist.gov/groups/ST/toolkit/rng/documents/SP800-22rev1a.pdf
presque 8 ans il y a | 1 réponse | 0