仿射不变量

该算法以影像特征点为定位点，使用分层变尺度窗口内的几何和亮度仿射不变量特征实现立体匹配。

Image point features were used as anchor points and the local space-variant regions around the anchor point were used as local window region to generate geometric and brightness affine invariants for image matching .

论Bézier曲线的仿射不变量

On affine invariants of a b é zier curve

本文的主要研究包括：（1）本文介绍了一种新的仿射不变量&特征比（CHR）。

Main contents are as follows : ( 1 ) . This paper introduces a new affine invariant named as Characteristic Ratio ( CHR ), which is an .

引入复仿射不变量及旋转不变量概念，得到二维映射在共振与非共振情形下规范型系数的代数结构，并利用规范型讨论二维映射的多重Hopf分支。

The algebraic structures of coefficients in normal forms of two-dimensional maps in resonance and non-resonance cases are obtained by introducing the invariant under complex affine transformation and the invariant under rotational transformation . The multiple Hopf bifurcations are discussed .

基于仿射不变量的鱼眼图像特征提取及匹配

Fish-Eye Image Feature Extraction and Matching Based on Affine Invariant Regions

一类重要仿射不变量之证明

The Proof of a Class of Important Affine Invariant

基于仿射不变量的长基线立体匹配

Wide Baseline Stereo Matching Based on Affine Invariant

一种新的适合于目标识别的仿射不变量

New affine invariants for target recognition

提出了一种新的基于凸壳和仿射不变量的图像识别和配准的方法。

Abstract An improved image recognition and registration algorithm based on convex hull and affine invariant was presented .

提出了一种基于局部仿射不变量特征的宽基线影像匹配算法。

A novel algorithm based on local affine invariants was proposed for searching correspondences between images in the most general case .

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。

A segmental deformable model for image segmentation was presented and affine invariants were introduced into the model 's energy function .

这些结果都用有关的仿射不变量表示，可以用来控制四次T-曲线的形状。

The results are denoted by related affine invariants , and can be used to control the shape of quartic T-curves .

本文提出一种新的三维仿射不变量，基于此不变量构造一种鲁棒的三维模型盲水印算法。

We propose a new 3D affine invariant in the paper , and a blind watermarking scheme for 3D models is built with this invariant .

该法首先给出了仿射不变量向量的构造，以及基于它的遮挡判决准则；

Firstly , the construction method of affine invariant vector was proposed , and the principles of occlusion detection based on the affine invariant vector were suggested .

由于鱼眼图像变形严重，直接采用传统的基于仿射不变量的方法往往只能得到较少的对应匹配，一般来说不能满足实际应用的需要。

Due to the severed distortion of the fisheye images , few correspondences will be gained from the conventional affine invariant methods . So these methods can not meet the request of practical application .

对陨石坑的匹配，利用二次曲线对仿射不变量，研究了基于投票策略的陨石坑匹配算法。针对可能出现的误匹配及失配情况，提出了基于闭合曲线面积仿射特性的匹配校正算法。

For crater matching , a voting strategy based algorithm is studied by using Conic-pair Affine Invariants , and a correction algorithm is suggested for mismatching and false matching situations by using affine property of close curves ' areas .

导出了用物体角点坐标表示的低阶边界矩的闭合形式，构造了基于边界矩的仿射变换不变量。

The closed forms of lower order boundary moments and the affine invariants are derived .

提出了在图象匹配中使用的一些新的仿射透视近似投影不变量。

This paper proposes some new affine-perspective approximate invariants that are used in image matching .

由于目标的成像过程在一定情况下可近似为仿射变换，为了正确识别目标，必须找到一种具有仿射不变性的不变量，这是本文研究的核心问题。

The imaging process of object can be approximated to affine transform in some condition , therefore in order to recognize object , we have to find affine invariants of object , it is the core of this paper .

仿射变换下的点模式匹配和参数估计是计算机视觉中的重要研究课题，其关键是寻找对仿射变换不变的不变量。

Matching and parameter estimation of two point patterns under an affine transform is a very important research topic in the field of computer vision . The key step is to find some invariant features .