将零件沿梯度方向抛光后在显微镜下观察。
The parts were observed by microscope after polished along the gradient direction.
引入负梯度方向直线搜索来加速算法寻优。
Linear search in the negative gradient direction was also applied to accelerate the optimization.
提出基于颜色—梯度方向角直方图的单人脸跟踪方法。
An approach of single face tracking based on Color-Directional Gradient Angular Histogram is proposed.
研究了基于梯度方向双边对称性的旋转人脸中心的跟踪方法。
A method of face center tracking which is based on bilateral symmetry of gradient direction is discussed in this paper.
利用垂直于梯度方向的图像二阶导数设计了一种新的代价函数。
This paper proposes a texture preserving fourth order partial differential equations based image denoising model.
在人体检测技术当中，梯度方向直方图是近年来被证明比较好的一种方法。
Recently, methods basing on histogram of orientation gradient are proved to be good for human detection.
本文给出新的基于梯度方向直方图统计的权值计算方法，实现稳定的图切割。
A new weight calculation method based on the statistics of gradient direction histogram is presented here in order to robustly realize graph cut.
根据像素点的梯度方向和直线局部特性提出了一种新的亚像素直线特征检测方法。
A new method is proposed according to the pixels gradient direction and the lines local property.
原始点云经梯度方向迭代移动后，过滤噪音和剔除离群点，并修补点云缺失数据。
Points are moved onto the iso-surface by an iterative clustering along gradient field, where the noise and outliers are removed and defective data are repaired.
此外还介绍了边缘点的梯度方向约束，给出了基于以上约束条件的边缘线匹配算法。
In addition, gradient direction constraint of edge point was introduced. Matching algorithm based on aforementioned constraints was proposed.
如果旋转的话，那么斜率会变大，变大，变大，当和梯度方向一致时，它达到最大值。
Now, if I rotate, the the slope sort of increases, increases, increases, and it becomes the largest when I'm going in the direction of a gradient.
图像梯度修正是将图像梯度方向旋转到尽量与法向量在图像平面的投影反向一致的方向上。
The revision of the image gradient is to revolve it to the reverse direction of the normal vector's projection on the image plane.
针对上述问题本文的工作内容有：在复杂场景下本文利用颜色和梯度方向双重信息描述目标。
Address these issues my work includes: Color and gradient direction dual information were used to describe in complex scenarios.
金矿质在韧性剪切带中与氧化硅和硫化物形成配合物在深部流体中沿着化学位梯度方向迁移和富集。
In ductile shear zone, the gold is migrated and enriched in deep fluid with silica and sulfide in forms of the complex driven by the chemical potential.
在未预热的熔覆层内，先共晶的奥氏体枝晶的生长，从界面开始逆温度梯度方向定向生长．直到熔覆层的表面。
On the non preheating cladding layer, the eutectic austenite dendrite growth is along the opposite direction of temperature gradient beginning from interface to face of cladding layer.
当激光入射到非均匀的各向同性等离子体时，垂直于主密度梯度方向的密度分布会发生变化，使临界面呈现波纹。
When laser beam is incident on an inhomogeneous isotropic plasma, the variations in density profile perpendicular to main density gradient may develop, producing a rippling of critical surface.
提出了颜色—梯度方向角直方图，它能同时表示图像的颜色特征与结构特征，对它的鉴别能力作了较为深入的分析。
The color and structure features of the image can be present at the same time. The identifying ability is analyzed deeply.
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.
对场景图像中的显著区域采用梯度方向、二阶不变矩、归一化色调3种特征进行不变性表示，并根据其匹配率实现场景识别。
Those salient regions are represented by 3 invariant features of gradient orientation, moment and canonical hue. They are used for scene recognition in terms of their match ratio.
首先导出了拉普拉斯、二阶梯度方向导数和侧向曲率三者之间的关系式，指出由于侧向曲率的影响，拉普拉斯在检测弯曲边界时必然产生定位误差。
Our results show that the level crossing curvature can cause location error of the Laplacian, particularly when the edges with large curvatures and small gradients.
梯度使气流方向测量值向负梯度方向偏转。圆柱探针和锥形多孔探针相比，气流方向测量误差对速度梯度更敏感，纵向梯度对俯仰角测量值的影响尤其大。
The velocity gradient, especially the perpendicular velocity gradient, leads the measuring error of flow angle with cylindrical probe to be larger than with conical multi-hole probe.
梯度使气流方向测量值向负梯度方向偏转。圆柱探针和锥形多孔探针相比，气流方向测量误差对速度梯度更敏感，纵向梯度对俯仰角测量值的影响尤其大。
The velocity gradient, especially the perpendicular velocity gradient, leads the measuring error of flow angle with cylindrical probe to be larger than with conical multi-hole probe.
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