1) global threshold iterative
全局阈值迭代
2) iterative partial threshold
局部阈值迭代
1.
First,it takes an iterative partial threshold to determine the threshold of each sub-image.
该算法首先用局部阈值迭代法确定各个子图像的阈值,得到一个待处理的矩阵;然后利用TV-norm对阈值矩阵进行插值处理,使之成为与原图像像素数目相同的新矩阵,得到光滑的阈值曲面,进而实现对图像的分割;最后通过仿真试验说明该算法的可行性和有效性。
3) iterative threshold
迭代阈值
1.
Aiming at problems in current study of sonar image enhancement,a new enhancement method based iterative threshold was presented,the criterion function and frequency response were used to evaluate and compare current image enhancement arithmeti.
针对声呐图像增强算法研究较少等问题,提出了一种迭代阈值图像增强算法,并采用评价准则算法和频域响应法对常用的几种图像增强算法进行比较分析。
2.
A modification to Linearly Decreasing Weight strategy in standard Particle Swarm Optimization is taken by introducing descending index and iterative threshold.
引入递减指数和迭代阈值对基本粒子群算法中线性递减权策略进行了改进,在优化迭代过程中,惯性权重随当前迭代次数、指数递减率和迭代阈值非线性变化。
3.
The identification card scanned image is seriously affected by laser restraining false shadow grid, several binarization methods of document image are studied according to this characteristic, an image binarization method is proposed , which is called iterative threshold methodbased on the neighborhood feature of the pixels .
针对身份证扫描图像受激光防伪阴影网格线影响较大的特点,对图像二值化的方法进行了深入分析和研究,提出了一种基于像素邻域特征的迭代阈值方法。
4) global threshold
全局阈值
1.
Based on MATLAB language, the paper compares with several binarization algorithm: Ostu algorithm, the algorithm for threshold selection based on arithmetic mean of gray value and the adaptive threshold selection which combines the global threshold with local threshold.
将以索引图格式保存的心电图信号转换为RGB格式,利用上述方法单独对R数组、G数组和B数组进行二值化处理,然后分别对结果数组作“或”操作,作为二值化结果,试验结果表明,基于全局阈值的二值化算法比较实用,能够很好地滤除背景噪声、背景网格以及QRS综合波处所做的标记,并保留有用的心电信号。
2.
The application in gear images, a new way of image binarizing process is discussed which combined the optimal global threshold and local adaptive threshold on the basis of edge feature that is the important information of the images.
研究了基于图像边界特征的二值化方法在齿轮图像处理中的应用 ,将最佳全局阈值法与局部阈值自适应法在边界特征的基础上融合起来 ,并引入最优边缘检测算子———Canny算子 ,对图像进行二值化处理 ,提高了图像的处理质量。
3.
The paper firstly discussed two ways for image segmentation:image segmentation by global threshold and image segmentation by dynamic threshold.
首先讨论了图像阈值分割的两种方法 :全局阈值图像分割和动态阈值图像分割 。
5) iterative double-threshold
迭代双阈值
补充资料：全局最优值
分子式：
CAS号：
性质：又称全局最优值。最优化问题中从整体考虑求得的最优结果。全局最优点可能不只一个，但全局最优值只有一个。
CAS号：
性质：又称全局最优值。最优化问题中从整体考虑求得的最优结果。全局最优点可能不只一个，但全局最优值只有一个。
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