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Raman


Active since 2013

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Professional Interests: image processing

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Error using vertcat CAT arguments dimensions are not consistent.
>> y=[71. 8829,23.6291,87.1431,16.3153,34.6145,25.6653,44.7321,19.1620,69.4536,73.6550,21.3468; 11.5840,10.3016,1.3980,6.2...

10 years ago | 1 answer | 0

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i have an image of 256 x 256. i want to segment the image using opening by reconstruction. can u help me to get rid off this?
the image is a gray scale image. plz help me

10 years ago | 0 answers | 0

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m working on matlab gui. how can we specify the user defined function. and call this function in the program. explanation is as below:
i m using the switch statement and i have added the following functions in the popup menu: intensity, blur moment, zernike mo...

11 years ago | 0 answers | 0

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how can i give the appearnce as dimmed to gui panel?
i've 3 panels in my gui and each panel contain sone buttons,edit boxes and static text and so on.... i want when panel 1 is e...

11 years ago | 3 answers | 0

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i've a gui with 3 panels andd in each panel there are various buttons and edit box etc. i want when i work on first panel ,the rest two sholud be hidden. how this could be done?
the description is as follows: i've three panels namely 1. image selection 2. block description 3. similarity measur...

11 years ago | 0 answers | 0

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i want to quantize the matrix values in terms of 0s and 1s...plz help me
i've matrix of 3x3 a = [ 12 21 13; 32 45 67; 43 22 91 ] my condition is if: ...

11 years ago | 2 answers | 0

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representing DCT(discrete cosine transform) quantized block into circle block.
i've s gray scale image and thn i've divided it into overlapping blocks. starting from the first block i've applied dct on it an...

11 years ago | 0 answers | 0

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i've a matrix B. i've calculated the mean, entropy mean and glcm mean of each row. now i wan t the new matrix having these three as columns and rows are same a B
i've a gray scale image and i've divided it into overlapping blocks. each block i've stored in the form of vector in a matrix...

11 years ago | 1 answer | 0

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i've a matrix of 6x4 and i want to count the rows how many times it occur in a matrix
let say the matrix is A=[ 12 45 67 89 34 56 78 65 12 45 67 89 53 55 21 90 12 45 67 89 53 55 ...

11 years ago | 2 answers | 1

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sorting the matrix lexicographically using the radix sort.
i've a matrix [ 1 2 34 56 78 21 32 54 55 21 10 43 33 95 98 76 63 82 33 21 ] i want to sort...

11 years ago | 1 answer | 0

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calculate mean of a vector
i've an image of size 256 x 256 i've extracted one block from it, then i've convert the matrix to vector. can anyone tell...

11 years ago | 1 answer | 0

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what should i add to my code so that Glcm is calculated in all the directions of the image..
i've a grayscale image.i want to calculate the glcm of the image.. like glcm=graycomatrix(image); this will give me...

11 years ago | 0 answers | 0

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i've used the undecimated wavelet transform...i dont know how to extract low frequency and high frequency component out of it. the code is shown below.can anybody help me in doing so?
the code i wrote is ; grayImage=rgb2gray(imread('inputImage')); w1=ndwt2(grayImage,1,'haar'); w1.filters; w1.d...

11 years ago | 0 answers | 0

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applying Dyadic Wavelet transform on an image
i d0nt know how to apply the dyadic wavelet transform on the image and get the corresponding results... can anybody help me b...

11 years ago | 0 answers | 0

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i want to initialize a matrix of 3x3 to value -1 how this colud be done?
M=zeros(3,3); intialize M with zeros of 3x3 but what to do if i want to initialize it with -1 i.e -1 -1 -1 -1 -1 -1...

11 years ago | 1 answer | 0

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correlation of an array
i've an array in which i've stored different matrices. i want to calculate the correlation between the matrices stored in an arr...

11 years ago | 1 answer | 0

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i need DyWT(undecimated dyadic wavelet transform function different from DWT) in order to extract the low frequency and high frequency components of the image.
i've checked the tutorials but unable to find DyWT function. DyWT was introduced by Mallat and Zhong,which is shift invariant...

11 years ago | 0 answers | 0

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traversing an array of elements
i've the following list of elements as block 2=10 block 5=16 block 1= 16 block 7=16 block 4= 23 block 6=...

11 years ago | 1 answer | 0

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is there a way so that we extract a particular block from an 8x8 image?
i've an image of size 8x8 blocks i.e total of 64 blocks. i want to extract or show only few blocks... how can i do so? ...

11 years ago | 1 answer | 0

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conversion of array to vector
i want to know how can we convert i list of array to a vector form plz tell me by writing some piece of code.... Mean=[...

11 years ago | 1 answer | 0

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calculation of GLCM Mean
i,ve gone through the tutorial http://www.fp.ucalgary.ca/mhallbey/glcm_mean.htm i've divided the image into discrete blo...

12 years ago | 1 answer | 0

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i've an png image of size 192x268. i've divided into non-overlapping blocks..now i want to calulate the mean of each and every block.
i wanted to calculate the mean of every block in order to check which block(s) have the same mean value... or other way i ...

12 years ago | 1 answer | 0

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what is the optimal block size while dealing with gray scale images?
i need to know the optimal block size

12 years ago | 1 answer | 0

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i've an image of of size 210x240.in the following code i've made one block..but i want many blocks how can i do it?
clc; close all; I=imread('images1.jpeg'); whos I; fun = @(block_struct) ... std2(block_struct.data) * ones(size(b...

12 years ago | 1 answer | 0

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can u hhelp me by giving the syntax for making an intensity matrix from the given image...
Image=imread('D:\semester 3\matlab work\images\hand.jpeg'); imshow(image); disp(image); after executing it ...

12 years ago | 2 answers | 0

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how can we extract edge and corner from the gray scale image?
is there any inbuilt function for the same?

12 years ago | 1 answer | 0

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hi,..i m doing work on image forgery,,,i have to firstly decompose the image into overlapping blocks and after that apply the feature extraction can you tell how it can be done???
can you help me how it can be implemented???suggest me the proper source code for it.....the answer you have given to me is ok.....

12 years ago | 2 answers | 0

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hello, i m new to matlab,,, plz help me ....how can we divide an image into overlapping blocks?
for gray scale image

12 years ago | 2 answers | 0

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