A.減小圖像尺寸,數(shù)據(jù)降維B.緩解過(guò)擬合C.使圖像保持一定程度的旋轉(zhuǎn)和平移不變性D.增加神經(jīng)網(wǎng)絡(luò)的參數(shù)數(shù)量