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.
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。
The geological feature of Sanfengshan Daqingshan gold deposit was described in detail and the ore prospecting orientation was pointed out.
详细阐述了三峰山—大青山金矿地质特征，并指出了找矿方向。
A 3d feature is extracted from the accumulation and main motion orientation, and a Bayesian classifier is used for smoke detection.
根据累积量和主运动方向提取出3维特征矢量，采用贝叶斯分类器进行烟雾的检测。
AAM facial feature points positioning module is the master key for its orientation result directly influence the synthetic effect of the facial expression animation.
AAM人脸特征点定位模块是关键模块，其定位结果直接影响人脸表情动画合成效果。
In the third chapter, mathematical model of size tolerance, form tolerance, orientation tolerance and location tolerance of cylindrical feature was established.
第三章：建立圆柱要素尺寸公差、形状公差、定向公差和定位公差的数学模型。
Two key techniques accounts the most for a human-face recognition system: one is face detection and orientation; the other is feature abstraction and recognition from unified human-face image.
人脸识别系统主要包括两个技术环节：首先是人脸检测和定位，然后是对归一化的人脸图像进行特征提取与识别。
The DSWI service provides an image of the reflective feature, its distance away from the borehole, the magnitude of the reflection, and its strike orientation.
DSWI能提供具有反射特征的成像、距离井眼的距离、反射幅度和走向方向。
By rotating the symmetry axis of a target into a defined orientation, it is efficient for target recognition to use the feature area distribution as a parameter.
确定了物体对称轴的取向后，可使用坐标变换方法，将轴对称物体的对称轴旋转到某一特定的取向，便于使用特征面积分布作为特征参数进行快速的目标分类识。
The orientation and crystallinity of the PET fibers were measured by sonic and X-ray diffraction. The feature of modulus-strain curves were discussed from the fiber structure and applications.
通过声速法和X射线衍射实验测试纤维的取向和结晶，结合纤维结构及纤维应用讨论了两种PET纤维的模量-应变曲线特点。
So from a certain sense, the biggest feature of the new "Bankruptcy law" compared to the old "Bankruptcy law" is its more obvious economic law of value orientation.
因此从一定意义上说，新《破产法》与旧《破产法》相比最大的特点就是其更加明显的经济法价值取向。
The guide rail of girder applies step structure, selects imported heavy-load roller guide rail support, with strong rigidity, good orientation precision and good dynamic feature;
横梁导轨采用阶梯式结构，选用进口重载滚柱导轨支撑，刚性强，定位精度好，动态特性佳；
A novel scheme of target enhancement in high-resolution polarimetric SAR imagery is proposed in this paper, which is based on the targets polarization orientation Angle feature.
针对高分辨极化SAR目标增强问题，提出一种利用极化方位角特征的增强方法。
New Feature: Add an option to disable the orientation on all screens.
新功能：增加一个选项，可以禁止屏幕自动旋转。
The excellent characteristics of rotation-invariance, good orientation selection and finite redundancy are fully utilized, and applied in texture feature extraction.
充分利用双树复小波变换的旋转不变性、良好的方向选择性以及有限的冗余等优点，将其有效地应用于纹理特征提取过程中。
To the third, the corner feature containing position, angle, and orientation was extracted.
然后提取包括边角位置、方位和角度大小的图像特征；
The application of SIFT feature matching method in the aotomatic relative orientation;
由于使用了优化过程，该方法对相对定向参数的初值依赖性较小。
Secondly, all the adjectives in the sentences were classified by semantic feature, and were analyzed the features of format the various types of adjective aderbial's semantic orientation.
其次，将例句中出现的形容词进行语义特征分类，并考察它们在语义指向各大类型中的形成特点。
The variety feature of geochemical element concentration in region could reflect the regional geological processes that control the orientation of geological body and mineral deposits.
研究地球化学元素在空间上的含量变化特征可反映区域控岩、控矿因素的区域分布规律。
Enhancement and binarization algorithm are the emphases among them. According to fingerprint feature, orientation map is calculated, and image is denoised by orientation filters.
重点研究图像的预处理增强算法和二值化算法，根据指纹图像的方向性信息求出方向图，并利用方向滤波器对原图像进行滤波去噪。
Feature space imitates the model of biological complex neurons in primary visual cortex, and it is constructed through orientation histogram in feature's local area.
特征空间则模仿了灵长类动物的视觉神经元模型，以区域图像梯度直方图的方式建立。
Feature space imitates the model of biological complex neurons in primary visual cortex, and it is constructed through orientation histogram in feature's local area.
特征空间则模仿了灵长类动物的视觉神经元模型，以区域图像梯度直方图的方式建立。
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