tonal gradation

基本解释

The outer rectangular bounds and tonal-gradation information are employed to be eigenvectors to match respective targets, so as to get the speed of them.
利用最小外接矩形和灰度信息作爲各目標的特征曏量，匹配各目標對象，以求取各目標運動速度。
A master of tonal gradation and soft edges, he prepared the way for the Impressionist landscape painters and had an important influence on Claude Monet, Camille Pissarro, and Berthe Morisot.
柯洛是精通色調漸層法和柔和邊線的大師，他替印象派風景畫家們開辟了一條道路，對後來的畫家莫內、畢沙羅和摩裡索影響很大。
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