梯度算子 meaning in English
gradient operator
Examples
- Zhou p , goodson k e . sub - pixel displacement and deformation gradient measurement using digital image / speckle correlation [ j ] . opt eng , 2001 , 40 ( 8 ) : 1613 1620
潘兵,续伯钦.梯度算子选择对基于梯度的亚像素位移算法的影响[ j ] .光学技术(待发表) - With the help of the search technique based on traditional optimal methods , gradient operator cross search operator and evolution operator are exploited to strengthen the local search ability of genetic algorithm
第3章借鉴了传统优化方法中的搜索技术，开发了梯度算子、正交搜索算子和进化算子以强化遗传算法的局部搜索能力。 - On the basis of the study of edge detection algorithms , a zone binary method is presented . the preprocessing methods of grating image are studied , and the 3d object surface data is reconstructed
在对模板图象进行处理时，在研究各种边缘检测算法的基础上提出了区域二值法的概念，用局部区域的阈值进行二值化，结合梯度算子实现被测物体边缘的自动识别。 - This paper study the greedy snake algorithms for the clutter tracking . it introduce the energy function of basic snake model and analyze the different kind of snake discrete energy function . it study on the method which use the pretreatment combining the sobel and grads arithmetic operators . the astringency of snake external energy was satisfied . this paper analyze the influence of tracking precision and running time for the preliminary border width , it also study on the tracking effect of different distributing and intensity . it is important to the next work
针对杂波数据的强度起伏大的特点,提出了结合sobel算子和梯度算子的预处理方法,满足了贪婪snake外部能量的收敛要求,在真实数据和仿真样本条件下,分析了初始边框间隔对跟踪精度、运行时间的影响,以及不同分布、不同强度杂波样本的跟踪效果,为后续的工作打下基础。 - Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology . the discussion is mainly focused on the theory of edge detection . an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently , which laid the foundation for further analysis of underwater wet welding arc mechanism and process control
文摘:通过复合滤光技术和水下ccd摄像系统，采集出了药芯焊丝水下湿法焊接电弧区域图像，重点论述了边缘检测理论，确定了基于中值滤波和梯度算子的电弧区域图像边缘检测方法，有效地区分了电弧燃烧区域和电弧气泡区域，从而为水下湿法焊接电弧的机理分析及水下焊接过程控制奠定了基础。