2) quasi SIFT descriptor
类SIFT描述子
1.
We first construct an window with adaptive size and orientation,then we extract the quasi SIFT descriptor on it.
本文提出了一种基于已标定鱼眼相机的寻找匹配点的策略,首先在鱼眼图像上建立具有自适应大小和方向的窗口,然后对提取类SIFT描述子。
3) SIFT descriptors
SIFT描述算子
1.
In order to improve the real-time and accuracy of environment recognition for robot,improving on sampling step in the phase of calculating the descriptors and adding Second reverse match to matching method on the basis of anglicizing performance and principle of SIFT descriptors,which satisfy requirement of enhancing speed and accuracy.
为了提高机器人在环境识别中的实时性和准确性,在分析了SIFT描述算子性能及原理的基础上,对SIFT算法在计算描述算子阶段提出自适应修改步长的改进,以及在原先的匹配方法的基础上又加入二次反向匹配,既在一定程度上提高了实时性又对关键点的消除错配起到较好的效果。
4) SIFT local descriptor
SIFT局部描述算子
1.
First,a modified scale-invariant feature transform(SIFT)local descriptor is used to characterize the image features in the vicinity of each pixel,so that the deformable model deforms in a way that seeks for the region with similar SIFT local descriptors;second,the deformable model is constrained by both population-based and patient-specific shape s.
首先,一个修改的尺度不变特征变换(SIFT)局部描述算子被用于表示每一像素周围的图像特征,以便模型是以寻找区域内最相似的SIFT局部描述算子的方式变形：其次,可变形模型受到基于群体和基于特定病人的形状统计的约束。
6) descriptor
[英][dɪ'skrɪptə(r)] [美][dɪ'skrɪptɚ]
描述子
1.
Knowledge Reductions Based on Descriptors in Incomplete Systems;
不完备目标信息系统中基于描述子的知识约简
2.
Attributes Reduct and Decision Rule Optimization Based on Descriptors in Information Systems;
基于描述子的信息系统属性约简及决策规则优化
3.
The MEDV descriptors can be calculated through a relative electronegativity and a relative distance of the substituted aromatic compounds atoms.
根据非氢原子类型分类、基于非氢原子相对电负性和非氢原子间距离等进行计算得到的分子电性距离矢量(MEDV)为描述子,对取代芳烃的结构进行表征。
补充资料：储层描述(见油气田储层评价)
储层描述(见油气田储层评价)
reseroir evaluation of oil and gas field
储层描述(reseroir evaluation of 011 and gasfield)见油气田储层评价。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条