relative activity短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 相对灵活性,相对活度 To overcome this problem, a novel fusion algorithm is proposed, which is based on a new image region focus measure, Relative Activity Level RAL, presented in this paper. 该算法定义了图像区域的相对清晰度判定指标，并根据多焦距图像像素邻域的相对清晰度来逐个选取聚焦清晰的像素点从而构成融合图像。 kns50.chkd.cnki.net