In a technique known as conditional replenishment, a series of images is digitally analyzed and only new features are transmitted, such as those that show an object moving. 根據一種被稱(chēng)為調節顯像的技術(shù),在一組圖像經(jīng)過(guò)數字分析后只播放新的圖像,例如顯示一個(gè)物體移動(dòng)的圖像。