边缘检测

A method of image edge detection based on multiple edge features and FCM［J］.

基于多特征和FCM的图像边缘检测方法［J］。

An edge detection method of the infrared image based multiple features and the fuzzy C-means algorithm is proposed.

提出了一种新的基于多特征和FCM的边缘检测算法。

Matlab environment in the development of image edge detection code used cannye operator achieve its function.

在matlab环境下开发的图像边缘检测代码，用cannye算子实现其功能。

The two thresholds of classical Canny operator need to be set manually, which limits the application of this algorithm.

针对传统Canny边缘检测算法的阈值需要人为设定的缺陷，本文提出了一种新的自适应改进方法。

Because of the orthogonal property of vectors in the basic matrices, the stored pattern do not interfere with each other.

鉴于这一特点。本文利用该模型进行图象的边缘检测。

Its properties are different from those of orthonormal wavelet bases. It is then proven that the wavelet is a two-dimensional dyadic one.

基于图象的正则变换提出了一类快速边缘检测算法，其计算复杂性是线性量阶的，可以用于计算机视觉等实时处理。

Sub pixel level edge detection algorithm was adopted to extract accurate inner and outer blade surface point cloud data from its CT images.

使用亚像素级边缘检测算法，从叶片锥束CT图象序列提取叶片的高精度内、外表面点云数据，并进行空间栅格划分，以提高后续计算的效率。

In Plate Location part, this paper proposed an improved algorithm based on edge detect and projectionafter comparing several algorithms in existence.

在车牌定位部分，本文在分析了现有比较典型的定位方法后，提出了改进的边缘检测投影法进行车牌的定位。

In this way,at the beginning,pretreating the image of pointsman's gesture from the colour vidicon which includes the colour image smoothing and intensifying.Then using the way of edge checking and image segmentation to divide the target image,due to the image is interfered badly by noise,Sobel operator is used.

该方法首先对彩色摄影机采集的交警手势图像进行预处理，包括彩色图像平滑、彩色图像增强；其次利用边缘检测和图像分割方法对目标图像进行分割，由于图像受噪声干扰严重，采用Sobel算子消除噪声；再次将分割得到的目标轮廓进行表示与描述，为图像的识别作好准备；最后结合图像的轮廓特征对图像进行识别，采用了模糊模式识别方法。

In this way, at the beginning, pretreating the image of pointsman's gesture from the colour vidicon which includes the colour image smoothing and intensifying Then using the way of edge checking and image segmentation to divide the target image, due to the image is interfered badly by noise, Sobel operator is used. Presenting and discribing the divided target profile to prepare the image identifying. Finally, identifying the image with the help of the picture' profile characteristic.

该方法首先对彩色摄影机采集的交警手势图像进行预处理，包括彩色图像平滑、彩色图像增强；其次利用边缘检测和图像分割方法对目标图像进行分割，由于图像受噪声干扰严重，采用Sobel算子消除噪声；再次将分割得到的目标轮廓进行表示与描述，为图像的识别作好准备；最后结合图像的轮廓特征对图像进行识别，采用了模糊模式识别方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。