The traditional watershed transform mainly depends on image gradient but this method is imperfect.
传统流域变换主要依赖图像梯度，该方法并不完善。
The revision of the image gradient is to revolve it to the reverse direction of the normal vector's projection on the image plane.
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 features achieve partial invariance to local variations, such as affine or 3D projections, by blurring image gradient locations.
这个功能实现了模糊图像梯度点的局部变化的部分不变性，如仿射或三维投影。
It is suggested that information entropy and summation of image gradient can be used for evaluating images' ability to obtain correct matching.
从分析影像所包含的信息量入手，提出了通过计算影像的信息熵和累加梯度值进行基于特征匹配的影像可匹配性评价方法。
First, a method to estimate the local image gradient, called the BEG (best estimation of gradient) algorithm was proposed to extract the texture orientation parameters.
首先提出了局部图像的梯度估计方法，称之为BEG(梯度的最佳估计)算法，用来提取图像的纹理方向特征参数。
Through analyzing the image gradient, this model used second order model to denoise at the region with obvious gradient change and the region with tiny gradient change.
该模型通过对图像梯度的分析，在梯度变化剧烈区域和梯度变化微小区域利用二阶模型去噪以提高去噪效率；
A gradient-based stereo image matching algorithm is developed by using the image gradient-related as the matching feature, especially for the space size measurement of a small region.
面向局部检测区域小的空间尺寸测量问题，利用图像的梯度相关作为匹配特性，开发一种高效的基于梯度图像的立体匹配算法。
Through studying the historical background of the focus detection and principles of optical imaging, the auto focusing system adopts image gradient as the auto focusing evaluation function.
从焦点检测的历史背景出发，结合光学的成像原理，提出了以图像梯度为对焦评价函数的自动调焦技术。
Instead, we create a new image with the border we want included along the bottom of the image. While we're at it, we also add a subtle gradient so it looks like this.
于是我们制作新的带有边框的图像以代替它。
An image is used in the background to provide a gradient to white.
在背景中使用一个图像提供到白色的逐变。
Make sure that the gradient matches the one in the image below, you will have to adjust the colour location accordingly.
确保渐变条设置得与下图吻合，为此你要相应地去调整每个颜色的位置。
To finish off the layout of the webpage the footer area is exported, a selection around the image is made that matches the overall width and includes the grey gradient of the graphic.
下面来完成页脚部分，选择同样的宽度，然后高度要包含灰色渐变的图形。
Figure 6 shows how the image creating the gradient in the BUTTON or submit type INPUT element expands to fill the larger dimension created by the increasing font size.
图6显示图像如何在BUTTON或submit类型的INPUT元素中创建渐变效果，从而适应增加字体大小所产生的空间。
The performance of segmentation methods based on watershed depends largely on the gradient of the image.
流域分割方法的性能主要依赖于图像梯度。
The speed function defined in Level set method can be divided into two classes: function based on the gradient of image and function based on the image gray.
水平集方法的速度函数定义根据所利用的图像信息可以分为两大类：基于图像梯度和基于图像灰度信息。
The coronal T1WI image was superior to coronal T2WI and gradient echo images in demonstrating the mandibular nerve.
冠状面t 1wi图像对下颌神经的显示优于冠状面t 2wi及梯度回波序列图像。
First, gradient image is constructed by using direction templates convolve with image.
首先利用方向模板对图像进行卷积，求得梯度图像。
Due to noise and irregularity of the gradient image, watershed algorithm used to segment images generally leads to over-segmentation, which is unacceptable.
分水岭算法用于图像分割时通常由于噪声的存在和梯度的不规则造成过度分割。
Based on the analysis of basic principle of electrical capacitance tomography and the image reconstruction algorithm, a conjugate gradient algorithm with optimized regularization is proposed.
在分析电容层析成像基本原理和图像重建算法的基础上，提出一种结合正则化优化修正的共轭梯度算法。
This algorithm has combined the gradient mapping of binary edge image and the potential distribution of people's facial characteristics.
该算法将二值边缘图像的梯度映射和人的面部特征的潜在分布规律相结合。
In allusion to this question, in this paper, we proposed a method of image filter based on direction gradient.
针对这一问题，本文提出了一种基于方向梯度的图像滤波算法。
A new approach for image registration is proposed based on alignment metric and fuzzy gradient similarity.
提出一种基于对齐度和模糊梯度相似性的图像配准方法。
A method for computing the width of blur is presented based on the gradient image of blurring image.
提出了一种基于模糊图像的梯度图像计算模糊宽度的方法。
Sometimes, the perfect gradient is all that is needed to set the right tone for an image.
有时，最完美的层次感只需要图象设置合适的色调即可。
In the improved algorithm, the pre-processed image is smoothed and the proper gradient threshold is set to prevent the generation of insignificant regions.
该改进算法在预处理阶段对图像进行平滑操作并设置适当的梯度阈值，即减少了梯度图像中非重要区域的产生。
Idea of drainage area based on whole image information takes account of local information when it is applied on gradient image.
流域思想利用了整体信息，应用于梯度图像上，兼顾了细部信息。
Compute the gradient to a road image, and then make HOUGH transform on it.
对一幅给定的道路图像，首先计算其梯度图像，然后利用HOUGH变换确定粗略道路区。
The system of automatic boundary data acquisition can obtain the curve data of the endocardium boundary of left ventricle with the tracing algorithm of the gradient image edge.
自动边界数据采集系统是用梯度边缘追踪法自动获取左室内膜边界的曲线点，使用三次曲线插值法及最小二乘法拟合整条左室边界曲线。
Secondly, for the image edge detection, methods including the gradient method, the sharp-processing method, and the Hough transformation were used, and the contour tracing was also conducted.
边缘检测处理部分采用了梯度处理法、锐化处理法、哈夫变换处理法，并对图像作轮廓跟踪处理。
Secondly, for the image edge detection, methods including the gradient method, the sharp-processing method, and the Hough transformation were used, and the contour tracing was also conducted.
边缘检测处理部分采用了梯度处理法、锐化处理法、哈夫变换处理法，并对图像作轮廓跟踪处理。
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