1) unmodified scatter
能量不变散射
2) energy scattering
能量散射
4) affine invariant
仿射不变量
1.
Improved image recognition and registration algorithm based on convex hull and affine invariant;
改进的基于凸壳仿射不变量的图像识别和配准算法
2.
In this paper,after studied the traditional based on the geometric invariant and based on the 3D/2D constraints to recognition the 3D object,A new space geometric model was proposed,and the relations between the 3Daffine invariants and 2Daffine invariants was presented.
在研究了传统的基于几何不变量和基于3D/2D约束关系两种识别方法的基础上,提出了1类新的空间几何结构模型,并计算出了这类模型3D仿射不变量和其对应的2D仿射不变量之间的约束关系。
3.
At last,we use these feature regions to construct affine invariants,based on affine geometry invariant property.
利用仿射区域划分获取一组扩展质心集合作为图像特征点集;求解特征点集的凸包,根据扩展质心的性质将凸包顶点均匀组合成若干特征区域;利用仿射几何性质构造了有效的仿射不变量。
5) affine invariants
仿射不变量
1.
Furthermore, augmented reality based on affine invariants as well as its research method and application background is discussed, and thus the fusion between virtual objects and reality image is realized.
首次提出了扩充现实技术在水利工程中的应用 ,讨论了基于仿射不变量的扩充现实及它的研究方法和应用背景 ,实现了虚拟物体与现实图像的融合。
2.
affine invariants.
为了对仿射变形的物体进行有效和正确的识别,构造了一种新的仿射不变量。
3.
A segmental deformable model for image segmentation was presented and affine invariants were introduced into the model’s energy function.
提出了一种用于图像分割的分段可变形模型,并在模型的能量函数中引入了仿射不变量信息。
6) projective invariant
射影不变量
1.
Application of Projective Invariants in Object Recognition;
图像中射影不变量在目标识别中的应用
2.
A group of projective invariants was derived based on the cross ratio of five coplanar points, and used to recognize planar polygons.
利用共面五点的交比，导出一组用于识别平面多边形的射影不变量，用这组不变量实现平面多边形的识别，实验结果表明，这组不变量具有射影不变性，可以有效地识别平面多边形。
3.
A new projective invariant-based technique for recovering depth information from stereo images is presented.
文中提出了利用射影不变量来求解基于图像对三维深度恢复问题。
补充资料：不变散射
不变散射
物理学术语。10keV以下的低能量X线与物质的原子发生作用时，使原子处于激发状态，恢复常态时再将能量放出，放出的光子能量与入射光子能量相等，但方向不同，故称为不变散射。
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