Tsai pointed out that the applications of picture processing are numerous. In medicine, the electron microscope can photograph blood cells and analyze their types and structure. In agriculture, satellite photographs, of the earth's surface can be fed into a computer to reveal topographical details. These in turn can be used as reference materials when mapping out agricultural policy.
例如在醫學上，各種人體組織照片可經由電腦分析其種類、結構；在農業方面，把衛星拍攝的地面影像資料輸入電腦，可分析出作物的種類、分佈情形及地形變化，以為擬定農業政策的參考… …。