region segmentation的用法和樣例：
例句
- We present a novel segmentation randomized tree based classification algorithm in this paper.
本文提出一種基於區域分割的隨機樹分類演算法。 - For personal identification based on imperfect irises, accurate iris segmentation is helpful to the feature extraction, classification and identification.
摘要對於不完美的個人身份鑒別，高精度的虹膜區域分割有助於後面的特徵提取和分類識別。
