1) spatial adaptive threshold
空间自适应阈值
1.
Context model is applied to estimate edge variance of each wavelet packet coefficient and then the spatial adaptive threshold is produced.
应用上下文模型估计每一个小波包系数的边缘方差,产生空间自适应阈值。
3) adaptive threshold
自适应阈值
1.
A fast motion estimation algorithm with adaptive threshold;
自适应阈值的快速运动估计算法
2.
Multi-scale edge detection of 3D image based on adaptive threshold;
基于自适应阈值的三维图像多尺度边缘检测
3.
An adaptive threshold selection method for image;
一种自适应阈值选择方法
4) adaptive thresholding
自适应阈值
1.
By analyzing the traditional thresholding methods(such as Otsu and Kapur),a new approach using the adaptive thresholding method is presented.
针对金相图中分割问题,在分析对比传统的全局阈值分割方法的基础上,提出了一种自适应阈值分割方法。
5) self-adaptive threshold
自适应阈值
1.
After the pipeline image is acquired by visual system, it is firstly pretreated with a morphology filter, and then segmented by an self-adaptive threshold, finally the weld is located accurately by Hough transform.
机器视觉系统采集管道图像后,以焊缝形态为特征,先对图像进行形态学滤波,然后用自适应阈值进行图像分割,最后用Hough变换从图像中准确检测出焊缝相对位置。
2.
According to the characteristics of ignition and explosion signals, a system for detecting the artillery s explosion time based on self-adaptive threshold is developed.
针对炮弹炸点光信号的强度与频谱特性,设计了一种基于自适应阈值的炸点时间测量系统。
6) adaptive threshold value
自适应阈值
1.
Image denoising algorithm of adaptive threshold value based on wavelet transform modulus maximum;
基于小波变换模极大值的自适应阈值图像去噪算法
2.
In this thesis, adaptive threshold value method can eliminate noise fully in each step, save useful signals and improve the signal to noise ratio.
在此基础上引进的自适应阈值法可以将每一尺度上的噪声最大量的去除 ,保留有用信号 ,进一步提高信噪比 ,仿真实验表明 ,该方法有更好的去噪效
3.
In this paper,a nonlinear multiwavelet transform adaptive threshold value method is proposed to suppress speckle noise.
文章提出了一种新的用于斑点噪声抑制的非线性多小波变换自适应阈值算法。
补充资料：时间
实际上，时间单位首先从天文观测来确定的，“1平太阳日或1天（1昼夜）”是以地球相对于太阳的自转周期为基准来计量的，一个平太阳日的1/86400为1秒；后来发现地球自转不均匀，1960年国际度量衡大会把时间基准改为以地球绕太阳公转周期，即规定为1900年地球公转周期（回归年）的1/31556925.9747为1秒；随着精确、稳定的原子钟制成，1967年国际度量衡大会规定国际单位制原子时的时间单位“秒（长）是两个超精细能级之间跃进所对应辐射9192631770个周期的持续时间”。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条