rotation invariance

Research on human face detection and recognition based on rotation invariance

基于旋转不变性的人脸定位识别研究

Rotation invariance is one of the most important characteristics in texture classification .

旋转不变性是纹理分类中所追求的重要特性之一。

Rotation Invariance Detection Scheme Based on Circular Projection and Vector Sum

基于圆投影与矢量和的旋转不变量检测方案

Three-layer optical neural network for pattern recognition with rotation invariance

具有转动不变性模式识别能力的三层光学神经网络模型

A Wavelet Transform With Shift , Scale and Rotation Invariance

具有平移、尺度和旋转不变性的小波变换

Restructuring the Rotation Invariance of Singular Values for Image Recognition

图像矩阵奇异值旋转不变性的重建

A Fully Unipolar Cascaded Model with Recognition Ability of Spatial rotation Invariance

具有空间旋转不变分类识别能力的全单极级连模型

A model of three-layer optical neural network is proposed for pattern recognition with rotation invariance .

本文提出一种适于光学实现的三层神经网络模型，该模型具有对多目标转动不变的模式识别能力。

A Cascaded Model of Neural Networks and Its Learning Algorithm for Pattern Recognition with Rotation Invariance

一种用于多目标旋转不变分类识别的神经网络模型及算法

Different form the conventional algorithms , the proposed algorithms achieve rotation invariance at feature extraction step .

与上述方法不同，本文方法是在虹膜特征提取阶段实现旋转不变性的。

Fast template matching method for rotation invariance

一种快速的具有旋转不变性的模板匹配方法

Study on binary interconnection weight with rotation invariance

具有旋转不变性的二值化的互连权重研究

Rotation invariance of Zernike moment and estimation of rotation angles

ZERNIKE矩的旋转不变性及对旋转角度的估计

Rotation invariance features of Zernike moments is analyzed and used to identify the rotation targets .

分析了Zernike矩的旋转不变性特征，并将其应用于旋转目标的识别。

The detection speed of these algorithms is fast and all theses algorithms have rotation invariance . 3 .

这几种算法检测速度快，而且具有旋转不变性。

In the vertical detection of laser radar , the problem of in-plane target rotation invariance is firstly solved .

在激光雷达垂直探测中，目标平面内旋转不变性是首要解决的问题。

Then rotation invariance , translation invariance and scale invariance of pseudo-Zernike are mainly discussed .

然后重点分析了伪Zernike矩的旋转、位移及尺度不变性。

The histogram algorithm is used to achieve the advantages of rotation invariance , position invariance and scale invariance .

灰度直方图方法虽具有比例、旋转和位移不变性等特点，但不能充分表示空间分布信息。

A optoelectronic hybrid system is presented to implement this linear discrimination function for recognizing the objects with the rotation invariance .

文中还提出一个实现此线性判别函数的光电混合识别系统。

Experiments show that this method can reflect the difference between different types of shape and it has translation , scaling and rotation invariance .

实验证明该方法能很好的反映不同类形状之间的差别，具有较好的匹配效果，具有平移、缩放、旋转等不变性。

So , regular texture identification can be implemented by using the method of corner point extraction by taking advantage of the rotation invariance .

因此，对于规则纹理可以通过提取角点，利用角点的不变性实现规则纹理的识别。

In fact , the image shift , scale , rotation invariance problems encountered in some pattern recognition tasks can easily be solved in this system .

事实上，某些图像识别任务碰到的图像位移、尺寸、旋转不变性问题，本系统可容易地予以解决。

Zernike moments are widely used in the fields of pattern recognition and image analysis due to their good properties such as orthogonality and rotation invariance .

Zernike矩因具有正交性和旋转不变性而广泛应用于模式识别、图像分析等领域。

The experiments show that the improved method keeps the original scale , translation and rotation invariance and at the same time , provides good affine invariance .

实验证明改进后的方法在保持了原有放缩、平移、旋转不变性的同时，又具备了良好的仿射不变性，提高了检索和分类的准确度。

The improved Zernike moment has not only rotation invariance , but also scale invariance that the original Zernike moment does not have .

改进的Zernike矩不仅具有旋转不变性，而且还具有改进前不具有的比例不变性。

Zernike polynomials were selected in this algorithm based on its orthogonality and completeness , and the rotation invariance of complex moment amplitude .

该算法利用Zernike多项式的正交性与完备性以及复数矩幅度的旋转不变性计算出边缘的亚像素位置。

Compared with other visual features , the extraction of color features is relatively simple . Color feature has also translation invariance , rotation invariance and scale invariance .

与其他视觉特征相比，颜色特征的提取也相对简单，而且还具有平移，旋转和尺度不变性。

This algorithm has many advantages , such as fast detection speed , high accuracy and rotation invariance . It resolves the disadvantage of the detection algorithm based on rectangular coordinates .

该算法检测速度快、精度高，而且具有旋转不变性，有效的解决了基于直角坐标的检测算法的不足。

The combination of log-polar transform and Discrete Fourier Transform ( LPT-DFT ) has the prosperities of scale and rotation invariance .

对数极坐标变换（LPT）与离散傅里叶变换（DFT）相结合的方法（LPT-DFT）具有旋转和尺度不变性。

The rotation invariance and good recognition efficiency is achieved by using SDF ( Synthetic Discrimination Functions ) as the reference in the amplitude-modulated and a power spectrum subtracted joint transform correlator .

采用振幅调制和功率谱相减的联合变换相关，用实现旋转不变识别的综合鉴别函数（SDF）作为联合变换相关输入的参考图像，来获得具有识别目标的旋转不变性和高的相关识别率。