Andi Tarigan

2014 年からアクティブ

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Electrical Engineering
Professional Interests: Image Processing, Watermarking

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質問

How to generate PN Sequence?
How to generate two uncorrelated pseudorandom sequences by a key?

12年弱前 | 1 件の回答 | 0

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質問

How to replace element matrix with the other matrix?
What if I have a matrix A (4x4) with a size of (1x64 cell), and the matrix B (2x2) with size of (1x64 cell)? And I want to repla...

12年弱前 | 6 件の回答 | 0

6

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質問

How to replace middle value of matrix 4x4 with the other matrix 2x2?
I have matrix A with size 4x4, and I want to replace the middle value of matrix A(size 2x2) with matrix B, the matrix B have siz...

12年弱前 | 1 件の回答 | 0

1

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質問

Matrix operation with equation
Hello, I have a equation: X' = X + (0.7 * PN) Where: X = Matrix with size 2x2 as much as 64x4 (256) PN = Mat...

12年弱前 | 1 件の回答 | 0

1

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質問

How to embed matrix in watermarking?
Hello, How to embed the two pseudorandom sequences (Matrix with size 1024, 1), with factor gain alfa in the DCT transformed 4...

12年弱前 | 0 件の回答 | 0

0

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質問

Replace matrix with the other random matrix.
Hello, Here I have matrix vector 0 and 1 with size (1024, 1), and I have the other matrix from random matrix with value betwe...

12年弱前 | 2 件の回答 | 0

2

回答