坏点
- 网络dead pixels;Defective pixel;bad pixel;defect point
![坏点](../cache/1399742.jpg)
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协同频谱检测算法综合分布在服务区域的各个单节点的检测结果,可以消除个别坏点的影响,提高检测的可靠性。
Collaborative spectrum detection algorithm use the single-node test results in the service area to draw a conclusion , which can avoid the effect of " dead pixels " and improve the detection reliability .
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其次,介绍了光电图像预处理中的坏点补偿和非均匀性校正技术。
Secondly , the bad pixel replacement and nonuniformity correction technologies of photoelectric image pre-processing are introduced .
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当然如果你自己做检查的话就最好了,不过请记住坏点是迟早会在LCD上出现的。
Of course , you will personally inspect it even better than we do and also remember dead pixel will often appear later on LCD .
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得到了M集中都存在着由坏点组成的经典M集,M-J集中存在具有伪3D效果且与对应陷阱单元形状相近的大小不同的彩色元素并具有自相似特征等结果。
In M-J set , there is various 3D self-similarity color cell that corresponds with the shape of trap unit .
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根据动态测试中数字时序信号的特点提出了一种剔除坏点的新方法&绝对均值法,并给出了绝对均值法中阀值W确定的范围。
According to the characters of the time series signals by dynamical measure , a new method for removing the singular points , absolute mean value method , was put forward , in which the range of the threshold W was determined .
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在Logit-log直线回归中自动剔除坏点的一种方法
A Method of Automatic Rejection of " Outliers " in the Logit-log Linear Regression
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目前TFT-LCD的坏点检测方法大多为离线方式,且需要依赖大量人工进行,这样不但检测效率低,而且主观的判断也会造成检测上的偏差。
At present TFT-LCD defect detection is mostly the off-line mode , and needs a lot of manpower , so its efficiency is very low and also will create the deviation in the process of detection due to the subjective judgment .
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采集的心电信号经去基线漂移和去噪后,利用连续小波变换标定R波峰,转换得到HRV信号,然后对HRV信号进行去除坏点、重采样和去直流等预处理。
After removing the ECG baseline drifts and ECG noises , continuous wavelet transform ( CWT ) was used to detect R - peaks and then transformed them to obtain the HRV signal . Then preprocessing HRV , it included removing the bad points , resample and removing direct current .
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偶然或变暗的像素坏点不能视为投诉。
Sporadic or dark pixel errors cannot be evaluated as a complaint .
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最后,对实验数据进行坏点处理及单周期提取,并与理论曲线拟合。
Finally , the experimental data were processed and fitted to theoretical curve .
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我们会做一个基本的检查看有没有坏点。
We can do a basic inspection to see if there are dead pixel .
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实验结果表明,该方法可以在一定程度上提高定位数据的精度,校正大部分可信度低的坏点。
The evaluation results showed that this algorithm could increase the positioning accuracy effectively .
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最后用高分辨率作图,并删去坏点。
Finally the curve is plotted in high resolution and the invalid points are deleted .
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本文简要介绍了剔除坏点数据的几种经典方法,并对动态测试中数字时序信号的坏点剔除方法进行了探讨。
This paper discussed a few traditional methods to remove singular points in time series signals .
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动态测试数据中坏点处理的一种新方法&绝对均值法及应用研究
A new method of removing singular points in dynamic testing data & Absolute mean value method and its application study
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同时讨论了坏点的选取、误差的控制、边界约束的处理等相关问题。
Some related problems , such as bad points selection , error controlling and boundary constraint handling , etc. are discussed .
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光顺是选点修改,保留好点,只改动坏点。
Smoothing is meant by selecting points for revising , that is , keeping good points and modifying bad points , only .
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研究内容主要包含以下几方面:(1)对影像文件进行坏线、坏点检测与修复,去除坏波段。
The major contents and conclusions are as follows : ( 1 ) Bad lines , bad points and bad bands of images are detected and removed .
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首先,由于设备、人为操作造成的误差以及环境的影响,需要去除采集数据中存在的坏点、坏线和噪声。
Firstly , we need to remove the bad points , bad lines and noise which are mainly caused by the equipment or operation error and the environment influence .
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根据测得的天线罩内廓面离散数据,剔除坏点和重叠点后应用最小二乘法对测量型值点进行了光顺;
According to the obtained discrete point set of the inner surface , the fairing treatment is performed employing a least-squares method after picking out spoiled points and overlapped points .
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但是利用三维激光扫描仪获得的点云数据的数据量特别大,存在很多坏点,也不利于存储和传输,不利于后续的工作。
But point cloud data obtain too mang points , has many bad points , so that it is disadvantageous to the storage and transmission , going against the follow-up .
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复合形法是基于最坏点进行迭代的一种有效的随机搜索寻优方法,有着效率高,程序简单,结果稳定的特点。
Secondly , the thesis utilizes complex method to optimize K-means algorithm . Complex method is a heuristic search algorithm used widely for its efficient and stable result and simple procedure .
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在自动光顺方法中,利用曲率分析及深度分析自动寻找“坏点”并采用纬向曲线重生成的方法予以修正;
In auto smooth method , we use the curvature and depth analysis to look for " bad point " automatically , and take the latitudinal curve to modify the surface ;
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最后设计了红外成像系统与PC机的串口通信,通过串口,PC机可以远距离对红外成像系统进行非均匀性校正、坏点校正、视场切换、调焦等操作。
Through serial communication port , PC machine can make the infrared imaging systems to achieve non-uniformity correction , bad point correction , switching field of view , focusing and other operations .
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针对参数摄动系统的‘最坏点’用该稳定性条件作为约束,采用遗传算法对标称系统的性能进行优化,求得优化鲁棒控制器。
By using the condition as constraint for the ' worst point ' of the perturbed plant , an optimal fuzzy PID controller is designed aimed at the performance of nominal plant by using GA as optimization solver .
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由于型值点的坐标测量值有时不够准确,那么应用这些坏点生成的曲线或曲面往往是不够光顺的,故需要对其进行光顺性处理。
Sometimes , because the coordinates of the measured data points is not accurate enough , the generated curve or surface is often not smooth enough applying these " bad points " . So it needs to deal with smoothness .
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采用这种方法可以有效减小包裹位相中坏点或无信息点对有效点去包裹位相的影响。
By this method , the effect of the points of bad or non-phase information to the unwrapping phase of valid points can be reduced greatly . The paper presents the principle of relative modulation to mark of the valid and invalid areas .