積分影像 (Integral Image)
人臉偵測使用Haar features來辨別window中的影像是否為人臉特徵，然而以暴力法來做速度實在太慢，為什麼？因為必須掃描整張影像，而且影像裡人臉的特徵除了位置因素，還有大小和型態等因素需要考量，勢必得利用特殊計算方法，才能達到現在如數位相機的real-time人臉偵測，於是積分影像 (Integral Image)這個計算方法因應而生！
Just My Life & My Work
標籤雲
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HappyMan・迴響