pseudo random number sequence 中文意思是什麼
pseudo random number sequence
解釋
偽隨機數序列-
Represents a pseudo - random number generator, a device that produces a sequence of numbers that meet certain statistical requirements for randomness
表示偽隨機數生成器,一種能夠產生滿足某些隨機性統計要求的數字序列的設備。 -
This paper is focused on images watermarking algorithms. watermark casting operates in frequency domain, embeds pseudo - random sequence of real number in selected coefficients without image degradation. a blind watermark retrieval technique that can detect the embedded watermark without resorting the original image is proposed, so that the proposed techniques represents a major improvements to those relying on the comparison between the watermarked and original image, which is not practical for a huge image database
本文主要研究針對圖像水印系統的演算法研究,採用偽隨機序列作為水印信號,利用變換域系數作為水印的載體,在不降低圖像質量的前提下達到嵌入水印的目的,在恢復水印的過程中無需原始圖像的參與,相比較那些需要利用原始圖像恢復數據的系統,文中所提出的方案更具有實用性。 -
Pseudo random number sequence
偽隨機數序列
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