虹膜移位 的英文怎麼說

中文拼音 [hóngwèi]
虹膜移位 英文
displacement of iris
  • : 虹名詞1. [口語] (雨後天空中出現的象弧形的彩帶) rainbow2. (姓氏) a surname
  • : 名詞1. [生物學] (像薄皮的組織) membrane 2. (像膜的薄皮) film; thin coating
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • 虹膜 : [生理學] iris; irides虹膜固定術 iridodesis; iridesis; iridosis; 虹膜鏡 iridoscope; 虹膜切除術 iri...
  • 移位 : bit shift
  1. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了預處理方法,實現了一種快速高效的質量評價演算法;設計了一種改進的兩步演算法,準確的定的內外邊界;利用坐標轉換和編碼的循環實現了對圖像的配準;利用雙三次樣條函數擬合圖像背景,去除了非均勻光照對識別的影響;使用二分樹復數小波方法增強了圖像的對比度;在識別演算法方面,本文設計了一種「基於小波模極值點置的識別演算法」 。
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