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Maranatha Christian University

2012 年からアクティブ

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Professional Interests: steganography

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MATLAB Answers

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質問


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 ...

10年弱 前 | 0 件の回答 | 0

0

回答

質問


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 ...

12年以上 前 | 1 件の回答 | 0

1

回答

質問


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...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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...

13年弱 前 | 2 件の回答 | 0

2

回答

質問


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...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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...

13年弱 前 | 2 件の回答 | 0

2

回答

質問


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...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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...

13年弱 前 | 2 件の回答 | 0

2

回答

質問


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...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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)...

13年弱 前 | 0 件の回答 | 0

0

回答

質問


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 ...

13年弱 前 | 0 件の回答 | 0

0

回答

質問


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); ...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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...

13年弱 前 | 0 件の回答 | 0

0

回答

質問


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...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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 ...

13年弱 前 | 0 件の回答 | 0

0

回答

質問


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-(...

13年弱 前 | 2 件の回答 | 0

2

回答

質問


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...

13年弱 前 | 3 件の回答 | 0

3

回答

質問


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 ...

13年弱 前 | 0 件の回答 | 0

0

回答

質問


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...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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'...

13年弱 前 | 0 件の回答 | 0

0

回答

質問


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

13年弱 前 | 2 件の回答 | 0

2

回答

質問


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...

13年弱 前 | 1 件の回答 | 0

1

回答

質問


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...

約13年 前 | 0 件の回答 | 0

0

回答

質問


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

13年以上 前 | 0 件の回答 | 0

0

回答

回答済み
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 ?

13年以上 前 | 0

質問


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 ...

13年以上 前 | 2 件の回答 | 0

2

回答