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Abstract:
通常,尿囊膜的血管图像质量较差,原因在于血管纵横交错地分布于尿囊膜上,图像的对比度低,从而导致血管检测工作十分困难.通过分析血管空间和光学特性,了解到沿血管的横向断面方向,其灰度呈高斯分布.利用二维高斯滤波器进行模板匹配,每隔15°取一个检测方向,共建立12个13×13方向检测模板矩阵.经处理后,血管从背景中显现出来,取得较令人满意的对比度和清晰度.
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Source :
中国生物医学工程学报
ISSN: 0258-8021
Year: 2003
Issue: 6
Volume: 22
Page: 513-517,487
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 1
Chinese Cited Count:
30 Days PV: 1
Affiliated Colleges: