In the invention, through an improved threshold segmentation algorithm, segmentation of a grey matter and a white matter of a brain image is realized, which is good for auxiliary diagnosis of brain atrophy of a patient. The method is characterized by firstly, using an adaptive filter to process...
the algorithm is compared with auto-adaptive histogram threshold segmentation algorithm and fixed threshold segmentation algorithm.The results indicate that the algorithm adopts dynamic adjustable morphologic operator to calculate gradient histogram,has wide adaptability by making the best of the characters of...
The traditional two-dimensional Otsu thresholding segmentation algorithms do not think about human vision characteristics and the result of segmentation can not match up to the visual perception of human eye. In order to solve this problem,an algorithm based on the two-dimensional Otsu algorithm and...
A threshold algorithm is a method used in image segmentation that involves selecting a critical value to distinguish objects from the background based on pixel intensity levels. AI generated definition based on: Computers and Electronics in Agriculture, 2014 ...
3) multi-threshold segmentation algorithm 多阈值分割算法 1. The multi-threshold segmentation algorithm with adaptive tolerance based on gray-level histogram is presented,and a object dynamic clustering algorithm with double sub-windows is analyzed. 该系统由地面站和机载模块两部分组成,构建了机载自动...
methodnotonlyimprovesthequalityofimagesegmentationbutalsoreducethecomputationtime.Itisverysuitablefor realtimeimageprocessing. Keywords:imageprocessing;optimalthreshold;monkeykinggeneticalgorithm;maximumbetweenclassvariance 作者简介:王宏文(1957),男,硕士,教授,主要从事现 ...
and the result of segmentation has a direct influence on the result of gesture recognition.This paper proposed an algorithm of adaptive threshold gesture segmentation based on skin color.First of all,a whole image should be transformed from RGB color space to YCb Cr color space.After eliminating ...
Keywords:ClonalSelectionAlgorithm(CSA);coevolution;imagesegmentation;Otsu 摘要:传统二维Otsu算法存在计算复杂度高、实时性差等缺点。针对这一不足,受生物群体成员间协作关系的启示, 对克隆免疫算法进行改进,提出了一种基于种内协同的克隆选择算法(ClonalSelectionAlgorithmbasedonCooperation withinSpecies,CSACS),将其与克...
S. LiuJ. WangW. ZhengX. Zhangtransactions of the chinese society of agricultural engineeringLiu S X, Wang J X. Classification method of adaptive threshold segmentation algorithm and moment for foreign fibers in cotton[J]. Transactions of the Chinese Society of Agricultural Engineering, 2009, 25(...
Abstract: An improved marker-controlled watershed segmentation method is proposed to reduce the oversegmentation of watershed algorithm.Firstly,regional minimas in the gradient image are extracted according to the connectivity of adjacent pixels.Then,a maximum entropy threshold method is used to exclude th...