position scrambling

基本解釋

The announcer will call your name. Have the cube in solved position and place it on the scrambling table.
主持人會宣布參賽人姓名。請將魔方還原，交給打亂員。
Be aim at the security of digital image, we introduce a kind of digital image scrambling schemes based on position space.
針對數(shù)字圖像的安全保密問題，本文介紹了一種基于位置空間的數(shù)字圖像置亂技術(shù)。
In the middle, there's everyone else. Dallas, Oklahoma City, Utah, Denver and New Orleans all are scrambling for position in a race that exists in multiple dimensions.
剩下的幾個隊就都分布在中游了：達拉斯、俄克拉荷馬、猶他、丹佛和新奧爾良的排名之爭伴隨多種變數(shù)。

Wealthy entrepreneurs are scrambling for position.
FORBES: Magazine Article
And meanwhile, every rival was scrambling furiously to steal some of the buzz Ford had created by boldly staking out its position on automotive infotainment.
FORBES: Ford Is Cut Up By Cutting Edge Of Car-Infotainment Technology

位置置亂
Through designing the key and pixel point rearranging, the method achieves position scrambling and achieves the purpose of image encryption. With Matlab software, the results demonstrate the practicality of the method.
另外,本文在分析現(xiàn)有的經(jīng)典數(shù)字圖像置亂方法的基礎(chǔ)上,結(jié)合混沌序列提出一種基于圖像分割思想的數(shù)字圖像置亂方案,該方法是通過密鑰的設(shè)計對像素點進行重新排列以實現(xiàn)位置置亂,從而達到圖像加密的目的。