threshold operation造句
例句與造句
- Above - threshold operation method
超閾值運(yùn)轉(zhuǎn)法激光器 - Background subtraction is a commonly used moving objects detection method , it subtracts the background model which is stored beforehand or observed in time from the current frame , by threshold operation getting moving objects
減背景技術(shù)是一種常用的運(yùn)動(dòng)對(duì)象檢測(cè)方法,其基本思想是將視頻中當(dāng)前幀圖象與事先存儲(chǔ)的或?qū)崟r(shí)得到的背景模型相減,通過閾值操作,得出運(yùn)動(dòng)區(qū)域。 - A statistical method is used to obtain the background model , which is updated real time in order to adapt to illumination changes and scene changes . after threshold operation , morphologic operation and connected region area measurement are introduced to solve background disturb problem . at last , shadows are detected using hsv color space information and gets exact moving regions
該方法首先利用統(tǒng)計(jì)的方法得到背景模型,并實(shí)時(shí)地對(duì)背景模型進(jìn)行更新,以適應(yīng)外界光線變化和場(chǎng)景本身的變化,閾值操作后,用形態(tài)學(xué)和連通域檢測(cè)的方法進(jìn)行后處理,消除噪聲和背景擾動(dòng)帶來的影響,最后,在hsv顏色空間下檢測(cè)出陰影,得到準(zhǔn)確的運(yùn)動(dòng)對(duì)象區(qū)域。 - It's difficult to find threshold operation in a sentence. 用threshold operation造句挺難的