毛邊圖像 的英文怎麼說
中文拼音 [máobiāntúxiàng]
毛邊圖像
英文
ragged picture-
The main work of the dissertation is as follows. ( 1 ) the drawbacks of some popular iris location algorithms are analyzed firstly, then an improved coarse - to - fine approach is proposed, which reduces the effects of eyelash occlusion and boundary blurring, two major affected factors. with this approach, the inner boundary is quickly located by searching a coarse center and the outer one by image converting, enhancing, and differentiating
具體工作包括: 1 .分析了已有虹膜定位方法的不足,給出了由粗到精思想的虹膜定位方法,此方法縮小了搜索范圍,提高了速度,並且採取了有效的措施消除了睫毛和眼皮的遮掩對定位的影響,此外,針對虹膜圖像外邊緣模糊的情況,給出了一個外邊緣定位方式。
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