Iris image preprocessing includes four parts: iris localization, iris normalization, iris image enhancement and choice of the valid region.
虹膜图像的预处理主要分为四步：内外边缘定位、图像归一化、图像增强和有效区域的划分。
It is only when you open a valid file that the window resizes to encompass the main region declared in the file.
只有当您打开一个有效文件时，窗口才会调整大小以包含文件中所声明的主区域。
Tag Region allows you to wrap existing text inside an element, using PSGML's internal parser to determine what elements are valid for the highlighted location.
TagRegion使用PSGML 的内部解析器来确定什么元素对于突出显示的位置有效，允许您将现有的文本包进元素中。
Conclusion 2: Promoting industry clusters is a valid way to the entry-level to industrialization of a region.
结论2：培育产业集群是地区初级工业化的有效方式。
Dynamic stack growth is the only situation in which access to an unmapped memory region, shown in white above, might be valid.
动态栈增长是唯一的情况中，接触到一个映射的内存区域，在白色上面所示，可能是有效的。
The trust region method is one of the most valid ways to study optimization problems.
信赖域方法是研究最优化问题的有效方法之一。
If you want to travel by car in the Mekong river region, it is necessary to get a temporary Vietnam driver license which are only valid for the car you are traveling with.
在湄公河三角洲开车游览，必须到当地交管部门办理一张只限该车使用的越南临时驾照。
This method is valid, no matter the objects are located in the far-field region or near-field region.
理论分析表明，无论目标位于远场区还是近场区，本方法都是适用的。
Evaluation model and procedure designed in this study were valid and could be used in the efficiency evaluation for similar industrial region.
本研究设计的评价流程和模型可为类似区域的工业用地效率评价提供借鉴。
The study of credible region plays an important role to assess the valid range of the approximated transient stability boundary for power system.
可信域的研究对于评价电力系统暂态稳定域近似边界的有效范围具有重要作用。
R-tree is a dynamic index tree of space search. Its structure use multi-dimensional region to express spatial data object. R-tree is a valid way to visit rectangle.
树是空间搜索的动态索引树，它的结构是利用多个维中的区间来表示空间数据对象，它是矩形访问的一种有效方法。
R-tree is a dynamic index tree of space search. Its structure use multi-dimensional region to express spatial data object. R-tree is a valid way to visit rectangle.
树是空间搜索的动态索引树，它的结构是利用多个维中的区间来表示空间数据对象，它是矩形访问的一种有效方法。
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