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Nikhil Chourasia


Active since 2015

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watermark extraction using Wavelet Decomposition
Can any one help me to extract watermark from watermarked image

bijna 10 jaar ago | 0 answers | 0

0

answers

Question


Average of array element at defined interval
Suppose, a=[1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5] i want to calculate average of group of five nos. so that my resultin...

bijna 10 jaar ago | 2 answers | 0

2

answers

Question


How to find inverse of concatenate
Suppose i have a matrix r=[1 2 3] g=[4 5 6] b=[7 8 9] rgb=cat(3,r,g,b) Now how could I recover r,g,b matrix fro...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question


Repeat matrix element of a given matrix
my matrix is x=[2 5 3 6 1] I want it to make it as y=[2 2 2 2 5 5 5 5 3 3 3 3 6 6 6 6 1 1 1 1] which function does it?

bijna 10 jaar ago | 4 answers | 0

4

answers

Question


I want to create an image using a matrix.
1) Suppose i have a (8x8) matrix and i want this matrix to be converted into image (as shown in below image). <</matlabcent...

ongeveer 10 jaar ago | 1 answer | 0

1

answer