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- ratio change detection 比值变化检测
- Alternatively, you can use triggers to automate parts of the change detection process. 或者,也可以使用触发器使部分变化检测过程自动化。
- This paper presents a change detection approach of remote sensing images based on fusion and general Gauss model(GGM). 提出了一种基于融合和广义高斯模型的遥感影像变化检测算法。
- Objective: To detect the ratio changes of subgroup T lymphocyte and B lymphocyte in infants with ITP. 目的:检测ITP患儿T淋巴细胞亚群及B细胞的比值变化。
- There are two paradigms of the study of contextual cuing effect: visual search task and change detection task. 对背景线索效应的研究主要有视觉搜索任务和变化觉察任务两种范式。
- This enabled change detection to be conducted for the spatial extent and position of key geomorphological features. 本研究将集水区的源头、河道、冲积扇三个区域变动的趋势与变化量,加以说明其特色。
- A ratio change by as little as0.1 part per million could signal an influx of carbon dioxide from magma either building under or rising up through the volcano. 比例的变化即使只有千万分之一,都可能是种警讯,表示有岩浆在火山内累积或逐渐上升,其中的二氧化碳逸出所致。
- This paper presents an algorithm about SAR image change detection based on Principal Component Analysis(PCA). 该文提出一种基于主分量分析(PCA)的SAR图像变化检测算法。
- What can make the T-lymph cell, CD4/CD8 ratio change? Some people's CD4/CD8 ratio is abnormal even their HIV test result is negative. How to explain this? 很多人在窗口期后HIV检测结果为阴,但是所谓的症状还是存在。如何解释这个现象,这种情况下是否可以说这个人排除了HIV还是他需要接续检测?
- The paper presents an integrated method for change detection and map updating based on decision tree rules. 提出了一种基于决策树规则的变化检测及图件更新一体化方法。
- A shadow detection scheme based on both tricolor coefficient invariance andluminance change detection is proposed. 同时给出了一种基于三色值系数不变性和亮度变化检测的运动阴影检测算法。
- The extinction ratio changes with the operation current and temperature. 消光比随注入电流和温度的升高而变化。
- The query notifications functionality builds on the change detection mechanisms that the Database Engine uses to maintain indexed views. 查询通知功能建立在数据库引擎用来维护索引视图的更改检测机制上。
- The value of gravimeter surveys for gravity change detection lies in the fact that gravity change indicates elevation change. 用重力测量检测重力变化的意义在于,重力变化表示高程变化。
- Dempster-Shafer (D-S) algorithm is improved to fuse different features of multi-temporal SAR images to detect change detection of urban areas. 该文发展证据理论融合算法,采用不同时相的微波遥感图像检测复杂城市区域地表的变化信息。
- A novel illumination-invariant change detection method of shading model based on Cauchy distribution for visual surveillance systems is proposed. 提出了一种用于视觉监视系统的基于柯西分布的发光模型的光照不变变化检测方法。
- The ratio changes with reactant concentration, and could be used to optimize syntheses conditions of carbyne. 结果表明,两者比值对反应物浓度的变化具有相关性,可用作碳炔材料制备中实验条件的优选手段。
- The ratio changes with reactant concentration,and could be used to optimize syntheses conditions of carbyne. 结果表明 ,两者比值对反应物浓度的变化具有相关性 ,可用作碳炔材料制备中实验条件的优选手段。
- This paper put forward and experienced an effective method of differencing regional texture feature based on wavelet for change detection. 提出并实验了一种基于区域特征的小波差值变化检测方法,该方法对于高分辨率的遥感影像具有较好的检测效果,同时提高了运算速度。
- Then,the area change detection techniques,classification methods,the alterative area and attribute acquisition are discussed in detail. 接着详细阐述了变化图斑获取子系统的区域变化检测技术、分类技术、变化区域和属性信息的获取技术;