The Feature invariant approaches can detect the human faces fast, but only some kind of face can be detected.
基于特征不变量的方法，实现速度比较快，但都只适用于某一类图像。
The existing face detection methods can be classified into four categories: Knowledge-based methods, Feature invariant approaches, Template matching methods and Appearance-based methods.
现有的静止图像人脸检测算法主要有四类：基于知识的方法、基于特征不变量的方法、基于模板匹配的方法和基于表象的方法。
We propose a multistage SAR target recognition process based on target detection, target segmentation, target aspect estimation and invariant feature extraction.
提出一种以目标检测、目标分割、目标方位角估计和目标不变性特征提取为线索的SAR目标识别框架。
This paper presents a novel object tracking method based on SIFT(scale invariant feature transform) feature matching.
提出一种基于尺度不变特征变换（SIFT）特征匹配的目标跟踪方法。
The class Invariant guarantees (for the local class) that the state of the class will be maintained within specified tolerances at the end of each feature execution.
不变式保证，在执行完每个功能后，类的状态被都保持在一个规定的状态。
The image watermark scheme based on Scale Invariant feature Transform (SIFT) feature is proposed for resisting geometric attacks.
提出一种利用尺度不变特征变换(SIFT)特征点实现对抗几何攻击的水印方案。
The feature vector in the algorithm is RST invariant, which makes the feature matching operate directly on the image having geometry switch.
提出一种快速、有效的图家匹配算法，算法中采用的特征矢量具有RST不变性，可以对发生仿射变换的图象直接进行特征匹配。
The SIFT algorithm is proposed in this study is a feature extraction algorithm based on local invariant.
本文研究的SIFT算法正是一种基于局部不变量的特征提取算法。
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.
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。
Visual invariants are those changes in scale, moving, rotating, radiation, the perspective changes remain invariant feature.
视觉不变量是指那些对于尺度变化、物体移动、旋转、放射、透视变化仍保持不变的特征。
Third, this paper presents an autonomous landing navigation algorithm taking the scale invariant feature points as the landmarks.
再次，给出了利用尺度不变特征点作为导航陆标进行探测器自主着陆导航的算法。
The class Invariant guarantees (for the local class) that the state of the class will be maintained within specified tolerances at the end of each feature execution.
不变式包管，在履行完每个功能后，类的状况被都对峙在一个规定的状况。
A video object watermark algorithm using Scale-Invariant feature Transform (SIFT) features and video segmentation based on spatiotemporal information is proposed.
提出一种结合尺度不变特征变换(SIFT)特征点校正和时空域视频对象分割的视频对象水印算法。
In order to provide the feature points stereo matching between two wide baseline images, a novel algorithm based on affine invariant feature of the feature points is proposed.
为了实现长基线图像特征点的立体匹配，提出了一种新的基于特征点仿射变换不变性的匹配算法。
As SIFT features are invariant to rotation and scaling, we employ SIFT to extract feature points.
由于SIFT特征对旋转和缩放具有不变性，该算法利用SIFT提取图像的特征点。
A method used for two-stage image retrieval with rotation-invariant texture feature is proposed against the common rotation problem of image.
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。
SIFT has proved to be the most robust local invariant feature descriptor in object recognition and matching.
目前，SIFT已经被证明鲁棒性最好的局部不变特征描述符。
Local characteristic scale of images plays an important role in feature extraction and local scale invariant construction.
图像的局部特征尺度在进行特征提取和构造尺度不变量时非常重要。
A new combined invariant moment was presented according to the characteristics of NMI's feature and affine invariant moment proposed by Jan Flusser with their application conditions.
针对商标图像结构越来越复杂的特点，提出了一种基于联合不变矩形状特征的商标图像检索方法。
Abstract: in order to improve the stability and reliability of image matching, this paper applied the scale invariant feature transform algorithm to image matching.
摘要：针对图像特征提取与匹配的适应性和准确性的问题，本文提出将尺度不变特征变换算法应用到图像特征点提取与匹配。
The feature used in the algorithm is invariant with respect to flat fading, and can resist multipath fading of frequency-selecting channel in quite a few degree.
算法所用特征对平坦衰落信道具有衰落不变性，对频率选择性衰落信道也具有很强的抗多径能力。
The main methods include:1) Invariant local feature regions are generated using locally most stable feature points of images;
采取的主要方法有：1）利用图像中的局部最稳定特征点生成具有几何不变性的局部特征区域；
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.
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。
To solve the problem of 3-dimensional scene reconstruction, and to improve the performance of present feature point matching, a matching scheme which is invariant to perspective deformation induced...
为解决三维场景重建问题，通过改进目前特征匹配的不足，提出了一种基于角仿射不变的特征匹配算法。
Geometry character and invariant character of ship target is analyzed and a united relative invariant moment is used to calculate the feature to meet real-time requirements.
分析了舰船目标的几何特征和不变特征，为满足实时性要求，使用一组统一的相对矩来计算特征量。
In this paper, a face recognition method is presented based on moment invariant, in which moment invariant of image matrix is used as feature and BP net as recognition method.
该文将图像矩阵的不变矩作为识别特征，建立了人脸识别模型。
The image watermarking scheme based on scale invariant feature transform(SIFT) is proposed for resisting rotation scale translation(RST) attacks.
提出一种利用SIFT关键点实现对RST攻击校正的半盲水印方案。
The main methods adopted include:1) watermark synchronization is achieved by invariant local circular regions which can be generated using image locally most stable feature points;
采取的主要方法有：1）利用图像中的局部最稳定特征点生成具有几何不变性的圆形特征区域，用于水印的同步；
The approach provides effective features for identification using the order scales extracted by scale invariant feature transform.
利用尺度不变量变换，提取逆合成孔径雷达二维像的尺度信息，并按照从大到小的顺序重新排列，称为顺序尺度。
The approach provides effective features for identification using the order scales extracted by scale invariant feature transform.
利用尺度不变量变换，提取逆合成孔径雷达二维像的尺度信息，并按照从大到小的顺序重新排列，称为顺序尺度。
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