To enhance the diversity and distribution uniformity of initial population,as well as to avoid local extrema in the Chimp Optimization Algorithm(CHOA),this paper improves the CHOA based on chaos initialization and Cau...To enhance the diversity and distribution uniformity of initial population,as well as to avoid local extrema in the Chimp Optimization Algorithm(CHOA),this paper improves the CHOA based on chaos initialization and Cauchy mutation.First,Sin chaos is introduced to improve the random population initialization scheme of the CHOA,which not only guarantees the diversity of the population,but also enhances the distribution uniformity of the initial population.Next,Cauchy mutation is added to optimize the global search ability of the CHOA in the process of position(threshold)updating to avoid the CHOA falling into local optima.Finally,an improved CHOA was formed through the combination of chaos initialization and Cauchy mutation(CICMCHOA),then taking fuzzy Kapur as the objective function,this paper applied CICMCHOA to natural and medical image segmentation,and compared it with four algorithms,including the improved Satin Bowerbird optimizer(ISBO),Cuckoo Search(ICS),etc.The experimental results deriving from visual and specific indicators demonstrate that CICMCHOA delivers superior segmentation effects in image segmentation.展开更多
The abnormal accumulation of methylmalonic acid(MMA),the leading cause of methylmalonic acidemia,can cause irreversible damage to the brain,kidney,and cardiovascular system.In addition,the accumulation of MMA in the b...The abnormal accumulation of methylmalonic acid(MMA),the leading cause of methylmalonic acidemia,can cause irreversible damage to the brain,kidney,and cardiovascular system.In addition,the accumulation of MMA in the blood has recently been associated with the occurrence of cancer,restricted bodily movement,and growth retardation.In this review,recent studies on the relationship between the metabolic abnormality of MMA and disease occurrence were summarized,concerning the brain,kidney,cardiovascular system,cancer,and skeletal muscles.It provides a theoretical basis and reference for further research and the treatment of MMA-related pathophysiological changes.展开更多
基金This work is supported by Natural Science Foundation of Anhui under Grant 1908085MF207,KJ2020A1215,KJ2021A1251 and 2023AH052856the Excellent Youth Talent Support Foundation of Anhui underGrant gxyqZD2021142the Quality Engineering Project of Anhui under Grant 2021jyxm1117,2021kcszsfkc307,2022xsxx158 and 2022jcbs043.
文摘To enhance the diversity and distribution uniformity of initial population,as well as to avoid local extrema in the Chimp Optimization Algorithm(CHOA),this paper improves the CHOA based on chaos initialization and Cauchy mutation.First,Sin chaos is introduced to improve the random population initialization scheme of the CHOA,which not only guarantees the diversity of the population,but also enhances the distribution uniformity of the initial population.Next,Cauchy mutation is added to optimize the global search ability of the CHOA in the process of position(threshold)updating to avoid the CHOA falling into local optima.Finally,an improved CHOA was formed through the combination of chaos initialization and Cauchy mutation(CICMCHOA),then taking fuzzy Kapur as the objective function,this paper applied CICMCHOA to natural and medical image segmentation,and compared it with four algorithms,including the improved Satin Bowerbird optimizer(ISBO),Cuckoo Search(ICS),etc.The experimental results deriving from visual and specific indicators demonstrate that CICMCHOA delivers superior segmentation effects in image segmentation.
基金Natural Science Foundation of Shanxi Province(No.2023-JC-QN-0243)National Natural Science Foundation of China(No.31900448)Fundamental Research Funds for the Central Universities(No.Z1010422004),China。
文摘The abnormal accumulation of methylmalonic acid(MMA),the leading cause of methylmalonic acidemia,can cause irreversible damage to the brain,kidney,and cardiovascular system.In addition,the accumulation of MMA in the blood has recently been associated with the occurrence of cancer,restricted bodily movement,and growth retardation.In this review,recent studies on the relationship between the metabolic abnormality of MMA and disease occurrence were summarized,concerning the brain,kidney,cardiovascular system,cancer,and skeletal muscles.It provides a theoretical basis and reference for further research and the treatment of MMA-related pathophysiological changes.
