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。
The restored image obtained by using the space domain conjugate gradient algorithm is too smooth and loses some information about the edge detail.
基于空间域共轭梯度算法的盲目图像复原方法由于在复原过程中追求了充分平滑，使得复原图像中的边缘细节信息有所损失。
An edge detecting method for digital image is proposed using direction information of the gradient to thin off the differential image and defining a measuring function to link the edge points.
本文提出了一种利用梯度的方向信息，对微分图象进行细化，并确定一测量函数进行边缘点连接，以实现图象边缘检测的方法。
These operators make use of gradient and the mean value of the image gray to minimize noise effect, but ignore to harness the image edge.
这些算子使用梯度和梯度的平均值来达到去噪和边沿检测，但忽略了增强图像边沿。
Use the Free Transform Tool (with Warp) to bend the light so that it gets thinner towards the left edge of the image. Use the Gradient Tool (black to transparent) to fade the effect.
使用自由变换工具(弯曲)来弯曲光线，使其在图像的左边缘更薄。使用渐变工具(黑色至透明)完成褪色效果。
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。
That is used to convert a gradient edge image into a binary edge image.
用于梯度边缘图像转换成一个二进制图像边缘。
The enhanced gradient operator was designed to stand out the edge of image and retain the low frequency information.
此外还开发了增强型的梯度锐化算子，它既突出了边缘信息，又保留了低频信息，便于人和机器的一些后续处理。
The enhanced gradient operator was designed to stand out the edge of image and retain the low frequency information.
此外还开发了增强型的梯度锐化算子，它既突出了边缘信息，又保留了低频信息，便于人和机器的一些后续处理。
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