提出了一种新型快速旋转不变图像检索新方法。
A novel fast rotation invariant image retrieval method was proposed.
基于这些旋转不变量给出了一种形状相似性度量。
A shape similarity measure is defined on the extracted rotation invariants.
ESPRIT算法测向的关键是提取旋转不变因子。
The key to find direction with ESPRIT algorithm is to exploit the rotation invariant matrix.
本文提出了一种遥感图像旋转不变纹理分类的新方法。
This paper puts forward a new method of invariant texture classification for remote sensing image.
目的提出一种对三维物体进行旋转不变识别的新方法。
Aim a novel method for three-dimensional (3-d) object rotation-invariant recognition is proposed.
提出了振幅位相合成圆谐滤波器用于旋转不变模式识别。
The rotation invariant amplitude phase composite circular harmonic filter (CHF) is proposed.
本文提出一种基于莫尔条纹的三维物体旋转不变识别方法。
In this paper a method of the three-dimensional object recognition with rotation-invariant based on moire fringe is proposed.
微分不变量具有平移和旋转不变性，并且对噪声具有较强的鲁棒性。
The differential invariants are robust to the noise and also invariant to the translation and rotation.
提出一种基于旋转不变子空间的垂直分层空时码及其直接信号检测算法。
On the symbol detection of layered space time codes, it is assumed that the perfect channel estimations are available at the receiver.
在特征匹配阶段，通过对特征模板的旋转解决指纹图像的旋转不变性问题。
The rotating invariance of fingerprint images is solved by the rotating of feature models in feature matching.
通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。
In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
介绍一种在体全息相关识别中实现旋转不变性和位移不变性的一种简便方法。
Based on the volume holographic storage, a novel and easy method is proposed to realize rotation and shift invariance in pattern recognition system.
针对图像中常见的旋转问题提出一种旋转不变纹理特征进行两级图像检索的方法。
A method used for two-stage image retrieval with rotation-invariant texture feature is proposed against the common rotation problem of image.
ESPRIT算法是一种用信号旋转不变性来估计信号参数的方法，属于子空间分解技术。
ESPRIT is a signal parameter estimation method using rotational invariance approaches, which is a subspace decomposing technique.
实验结果证实了该算法角点定位的准确性、旋转不变性，具有一定的尺度不变性和抗噪声能力。
Experiments are performed to show that the proposed algorithm can locate corners accurately, is rotationally invariant, has scale invariant property and is insensitive to noise contamination.
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。
In fact, the image shift, scale, rotation invariance problems encountered in some pattern recognition tasks can easily be solved in this system.
新方法首先通过阵列方向矢量的泰勒级数展开获得关于分布源中心DOA的两个近似旋转不变关系。
The new method firstly obtains two approximate rotational invariance relations about distributed sources central DOA by the Taylor series expansion of array steering vector.
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。
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.
将该方法与其它旋转不变纹理分类算法进行比较，实验结果表明，提出的算法能有效地提高正确分类率。
This method is compared with other rotation invariant texture classification algorithm, the experiment results show that it can improve the classification rate effectively.
分析了多雷达信号融合中的幅度相位模型，并基于旋转不变技术提出一种新的幅度相位补偿参数估计方法。
The amplitude-phase compensation model of multi-band radar signal fusion is analyzed and the new amplitude-phase compensation algorithm based on the ESPRIT is presented.
构建了一种新的局部梯度方向直方图，同时定义了特征点的主方向，从而提出了一种具有旋转不变性的图像配准算法。
A novel gradient orientation histogram was built using a Gaussian-weighted circular window and a major orientation to each feature point was assigned based on local image properties.
本文提出了以相关理论为基础，以图象中圆环参数自相关函数的最大值及互相关函数的最大值旋转不变为特征的图象匹配方法。
This paper presents a match method for letter images based on the coherence theory and properties which the maximum correlative values of the ring-data, however to rotate, are constant.
提出一种改进的维纳滤波器(WF)模型，用训练图像的均值合成维纳滤波传递函数中的参考函数，使WF具有了旋转不变识别的能力。
A modified Wiener filter (WF) model was proposed in which the reference term of WF's transfer function was synthesized using the mean of training images.
提取关于坐标旋转不变的特征描述符以及提高特征描述符对噪声的鲁棒性是基于内容三维模型检索技术中有待进一步研究解决的问题之一。
How to extract the rotation invariant feature and improve the stability of the noise is still an unsolved problem of the area of content-based 3d models retrieval.
通过实验结果可以看出，该算法不仅能适应复杂多样的背景环境，而且对运动目标的连续检测能力具有位移不变、伸缩不变和旋转不变的特性。
Experimental results show that the algorithm has an invariant property with respect to the shift, scale and rotation of the moving target in the continuing detection of moving targets.
分析了有限脊小波变换可以实现图像的旋转不变性和平移不变性，提出了结合两种小波变换提取图像纹理特征的方法，实现了在小波域中进行图像的不变纹理分类。
A method using two wavelet transform to get the texture feature for remote sensing is put forward, in order to turn out the invariant texture classification for remote sensing in the wavelet domain.
举个例子来说，把一个圆绕中心旋转，你会发现它保持不变。
A circle, for example, is symmetric under rotations around the center of the circle. You rotate around the center of the circle, the circle remains unchanged.
因此即使速率不变，也就是说速度矢量的的大小不变，但它的方向可以做旋转。
So, even if the speed is constant, that means, even if a length of the velocity vector stays the same, the velocity vector can still rotate.
那一个三维的球来说，无论你怎样把它绕中心旋转，它都会保持不变。
You take a sphere, in 3 dimensions, you rotate around the center of the sphere, and all those rotations leave the sphere alone.
但是，旋转速度不变的情况下增加球速会降低升力系数。
However, increasing the velocity at a given spin reduced the lift coefficient.
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