边缘算子

The method of simulate wavelet edge multi-scale detection was used to extract feature of characteristic bands successfully,based Gaussian filter and vector differential operator.

提出了基于高斯滤波与矢量微分算子的近似小波变换多尺度杂交玉米种子电泳图谱特征谱带边缘检测算法，成功实现了特征谱带特征参数的提取。

The Defect Feature extracted by EID is sensitive to the odd edge-information, and is robust to the global intensity change, which makes it suit for the attrited banknote.

然后采用Kirsch算子计算两图像的边缘强度差，并根据EID来提取缺损特征。

Using open and close operations to wipe off the noise after presolution, and enhancing the gray level partly, the clear and continuous edge can be got by Canny operator.

在经过预处理的基础上，运用形态学的开闭运算滤除噪声，局部灰度增强后用Canny算子检测得到清晰的连续的边缘。

Based on the experiment of Orimulsion diffusing in the still water, with the help of MATLAB, the edge of Orimulsion diffusing image is detected using nonlinear means, and then the intact area covered by Orimulsion is calculated. Finally, the diffusion tend is forecasted with BP neural network.

并以奥里泊在静止海水中扩散为范例，在MATLAB环境下，利用非线性方法对扩散图像进行边缘监测，通过对梯度算子阀值的调整来计算完整的油膜覆盖面积，并将其计算结果进行BP神经网络预测。

T.Caelli,On perceptual Analyzers Underlying Visual Texxture Discriminaion,New York Biol.

陈武凡，鲁贤庆，陈建军等。彩色图像边缘检测的新方法——广义模糊算子法［J］。

About the retrieval technique of the video, this paper analysed the basic principle and the key technology of Content桞ased Retrieval , have designed one Content桞ased Video Retrieval Systems frame model , and distillde the edge characteristic in static characteristic , expounded one arithmetic that based on modified Laplace operator and obtained a better result.

对于视频检索技术，分析了基于内容检索的基本原理及关键技术，设计了一种基于内容视频检索系统框架模型，并对静态特征中的边缘特征提取，提出一种基于拉普拉斯算子的改进算法，取得了较好的效果。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。