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Internazionale


Maranatha Christian University

27 total contributions since 2012

Professional Interests: steganography

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Question


blockproc and find best matching block with drms
i have problem with my work with matlab. i would like to know how to find best matching block with Drms. before that, i have to ...

3 years ago | 0 answers | 0

0

answers

Question


matrix operation make matrix
i have matrix A = rand(64,4), i want to process them to make new matrix where B = (K-A(:,1))*2 . k is multiply every 8, example ...

6 years ago | 1 answer | 0

1

answer

Question


GUI process calling variable
i have a GUI about steganography. hiding and extract. my program in extract have to call variable in hiding process. what kind o...

6 years ago | 1 answer | 0

1

answer

Question


matrix operation make matrix
i want to make matrix. for manual way or the output A=[1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 ... 8 8 8 8 8 8 8 8...

6 years ago | 2 answers | 0

2

answers

Question


matrix operation resize matrix
i have matrix, the size is 36x44. i want to process the matrix so the size is 48x48, but the different or the rest between 36x44...

6 years ago | 1 answer | 0

1

answer

Question


binary process, biner to decimal
i have binary number 20 bit (uint8), i want to convert the binary number to decimal. i use bin2dec but before i must convert num...

6 years ago | 2 answers | 0

2

answers

Question


least significant bit process
i have matrix A(64x72). A is bit number. i want to embed every number in A to last bits of image B(RGB) after dec2bin process. t...

6 years ago | 1 answer | 0

1

answer

Question


cell operattion double to uint8
i have a cell A{64,4} and the type is double. i want to conversion double to uint8. but in matlab it is not possible because A i...

6 years ago | 2 answers | 0

2

answers

Question


least significant bit process
i have matrix A, let we say, A=rand(1,256). A contains important coefficient. Because A is decimal like 0.xxxx, so i make B=A*10...

6 years ago | 1 answer | 0

1

answer

Question


mat2cell operation coordinates cell
i have a program from my question in 14 feb 2013, answered by Azzi Abdelmalek. A=rand(4,4,4,4) [ii1,ii2,ii3,ii4]=size(A)...

6 years ago | 0 answers | 0

0

answers

Question


operation array in cell
A=rand(13,13,8,8); B=rand(13,13,8,8); Z=mat2cell(Temp, [16 16 16 16 16 16 16 16 16 16 16 16 16] , ... [16 16 16 16 16 16 16 ...

6 years ago | 0 answers | 0

0

answers

Question


operation array in cell
i have 2 matrix A and B and cell Z with 13*13 blocks. each blocks have 8*8 pixel. A=rand(13,13,8,8); B=rand(13,13,8,8); ...

6 years ago | 1 answer | 0

1

answer

Question


operation array in cell
i have a problem. i have a cell A. cell A have 13*13 blocks (A{1,1},A{1,2},..., A{13,13})and every blocks have 8*8 pixels. i hav...

6 years ago | 1 answer | 0

1

answer

Question


operation array in cell
i have problem with cell operation. i have 2 cells, first cell is A. A has 8*8 blocks and every blocks has 8*8 pixel. the seco...

6 years ago | 0 answers | 0

0

answers

Question


mat2cell operation coordinates cell
i have problem with cell operation. i have 2 cells, first cell is A. A has 8*8 blocks and every blocks has 8*8 pixel. the second...

6 years ago | 1 answer | 0

1

answer

Question


find the value matriks
this is my program. ihave 2 cells c and d. next, i got process rms in mintemp and i got the minimum value and the coordinate of ...

6 years ago | 0 answers | 0

0

answers

Question


find value from matriks
i have matriks A with size (64,4), so the variables is part of A = [A1 A2 A3 A4] i want to process them, to find a value ei=A3-(...

6 years ago | 2 answers | 0

2

answers

Question


find the location of minimum value
i have matrix with 4 variables, A=mintemp(a,b,c,d). i have find the minimum value especially at V=mintemp(:,:,1,1) dan the minim...

6 years ago | 3 answers | 0

3

answers

Question


find the parameter of affine transform
how to find the parameter of affine transform, especially to get the coordinates the block to apply the affine transform to get ...

6 years ago | 0 answers | 0

0

answers

Question


find the minimum value
i have a matrix A with double class type data. i have to find the minimum value of matrix, the problem is the min function on ma...

6 years ago | 1 answer | 0

1

answer

Question


mat2cell operation - add operation every cell
i have an mat2cell A 12*12 blocks cell, each cell there's 8*8 pixel. then i have mat2cell B 8*8 blocks cell wih each cell there'...

6 years ago | 0 answers | 0

0

answers

Question


how to divide image to overlapping blocks
how to divide image to overlapping blocks using blockproc or mat2cell.

6 years ago | 2 answers | 0

2

answers

Question


how to divide image to overlapping blocks
i have an image 256*256, i want to divide the image to 16*16 every blocks. every 4 pixel, i want to take one blocks and continue...

6 years ago | 1 answer | 0

1

answer

Question


part of fractal image compression
does anyone know how to partition YUV images to nonoverlapped blocks and overlapped blocks ?? then i have to find best matched b...

7 years ago | 0 answers | 0

0

answers

Question


matlab code for fractal image compression ?
matlab code for fractal image compression ??

7 years ago | 0 answers | 0

0

answers

Answered
how to downsample YUV colour image but downsample process only in U and V components ??
thank you for your help, and how about my next question ? about partition images into nonoverlapped blocks ?

7 years ago | 0

Question


how to downsample YUV colour image but downsample process only in U and V components ??
how to downsample YUV colour image but downsample process only in U and V components ?? and after that, i'm reaaly confused how ...

7 years ago | 2 answers | 0

2

answers