At first,adopt many methods which are often used to pretreat them,such as light equalization,histogram equalization,logarithm transform and median filter,and then segment the result using Canny algorithm whose result is better.
由于蔗糖晶体的镜面透明,煮糖显微观察镜采集出来的图像变为了伪三维的图像,失真,不利于制糖过程的自动监控;针对这类特殊图像探求一种较好的图像预处理方法,首先采用几种常用的图像预处理方法如:灰度调整,照度均匀,直方图均衡,对数变换及中值滤波的方法对伪三维图像进行预处理,再对处理结果运用分割效果较好的Canny算法分割,并将最终结果进行比较分析,经比较,采用灰度调整和中值滤波的预处理的图像,分割效果较其它方法理想,分割结果适用于煮糖过程的自动监控。
the vertical illumination and the uniformity of illuminance can be obtained.
本文通过对照明方案的分析，探讨照明设备选择、灯具布置、投射瞄准点确定与赛场所需水平、垂直照度、照度均匀度之间的关系。
Continuous triangle waveform as the magnetic field current of scanning magnet can give good uniformity degree of radiation in industrial radiation accelerator.
理论和应用均表明该设计具有很好的辐照均匀度。
Nonuniform illumination correction based on difference of Gaussian filter;
通过对最终构造的滤波器作理论及实验结果的分析 ,并与其它矫正非均匀照度的算法作比较 ,证明了该方法简洁实用 ,速度快 ,具有较好的性能。
Analysis of Misunderstanding in LED Roadway Lighting Luminaire's Photometric Design--Illuminance Uniformity is not Luminance Uniformity
LED道路照明灯具配光设计的误区分析——照度均匀性并非亮度均匀性
The Optical Design of the Moon Simulator and the Analysis for Irradiance and Uniformity
月亮模拟器光学系统设计与辐照度均匀性分析
Automatic Gamma Gray-level Correction of Uneven Illumination Image
照度不均匀图像的自动Gamma灰度校正
The Analysis and Survey of White Color Illuminztion Uniformity Mixed by CCD-based Collection
基于CCD照度采集合成白光色均匀性测量及分析
The Improved Method of Irradiation Uniformity Using the Derivations of Wedged Angles for the Cross Segmented Wedge Array System;
用楔角偏差改善正交光楔列阵大尺度的辐照均匀性
heterogeneous thermoelectric effect
非均匀温度差电效应
uniformity of size grading
大小分级的均匀程度
martindale limit
马丁代尔条干均匀度值
sliver evenness tester
粗条子均匀度试验机
capacitance type irregularity tester
电容式均匀度试验机
The population density is evened out.
种群密度亦趋于均匀化。
Study on appearance evenness and mass evenness of textured yarn
变形纱表观条干均匀度和质量条干均匀度研究
Sensitivity Analysis of Networks Including Uniform and Nonuniform Transmission Lines;
含均匀和非均匀传输线网络的灵敏度分析
High Uniform Violet Ray Illumination Experimental Device and Its Structure Design
紫光高均匀照明实验装置及结构设计
A real-time rendering method of non-homogeneous participating media
一种非均匀参与介质的实时光照方法
EFFECTIVE LENGTH OF ISOTEMPERATURE LINES ON THE CIE 1960 UCS DIAGRAM
国际照明委员会1960年均匀色度标尺图上等温线的有效长度的视觉研究
Such amplitude variations would be predicted on the basis of principles governing seismic velocities in heterogeneous media.
按照在非均匀介质内确定地震速度的原理，应能预测这样的振幅变化。
Special cutting device ensure the pellets of same length, the same length pellets is an important reason for even granule.
独特切断装置，切断均匀，为滚圆提供条件，确保微丸均匀度及圆整度。