Andi Tarigan

自 2014 起处于活动状态

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Electrical Engineering
Professional Interests: Image Processing, Watermarking

统计学

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6 个提问
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提问

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

11 years 前 | 1 个回答 | 0

1

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提问

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...

11 years 前 | 6 个回答 | 0

6

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提问

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...

11 years 前 | 1 个回答 | 0

1

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提问

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...

11 years 前 | 1 个回答 | 0

1

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提问

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...

11 years 前 | 0 个回答 | 0

0

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提问

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...

11 years 前 | 2 个回答 | 0

2

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