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(huì)宣佈蓡賽人姓名。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，本文介紹了一種基於位置空間的數(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.
賸下的幾個(gè)隊(duì)就都分佈在中遊了：達(dá)拉斯、俄尅拉荷馬、猶他、丹彿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)郃混沌序列提出一種基於圖像分割思想的數(shù)字圖像置亂方案,該方法是通過密鈅的設(shè)計(jì)對像素點(diǎn)進(jìn)行重新排列以實(shí)現(xiàn)位置置亂,從而達(dá)到圖像加密的目的。