The article is the investigation of heavy metals pollution on surface water in Ikoli River and Epie creek in Yenagoa,metropolis,Bayelsa State.Pb,Cd,Ni,Cr,Fe,Zn was determined and evaluated using Geographical Informati...The article is the investigation of heavy metals pollution on surface water in Ikoli River and Epie creek in Yenagoa,metropolis,Bayelsa State.Pb,Cd,Ni,Cr,Fe,Zn was determined and evaluated using Geographical Information System.Zinc concentration was below the permissible limit of 3 mg/L in all the locations sampled.Iron is 77.78%below the limit of WHO 2011 of 0.3 mg/L while other heavy metals examined in Ikoli River and Epie creek are highly polluted.The pollution index for contamination index shows 11.11%sample are high and 88.89%are low while the evaluation of heavy metal index and the pollution index load of the heavy metals contain 22.11%of the sample are low and 77.78%are high which imply the Ikoli River and Epie creek is polluted.Multivariate treatment of the result revealed a good correlation between the PCA and HCA,which showed activities of natural processes and man influenced environmental sources of the heavy metals which were mainly products of automobiles exhaust,water tank leakages as well as dumping of radioactive wastes and burning.The study investigated successfully the potential use of GIS with the help of multiple criteria decision analysis to predict and characterize areas of high pollution,medium,and low pollution in the study area.展开更多
目的分析2006—2024年甲肝减毒活疫苗(HepA-L)纳入扩大免疫规划(expanded program on immunization,EPI)前后庆阳市甲型病毒性肝炎(甲肝)流行规律及时空分布变化,为防控甲肝提供科学依据。方法收集中国传染病报告信息管理系统2006—202...目的分析2006—2024年甲肝减毒活疫苗(HepA-L)纳入扩大免疫规划(expanded program on immunization,EPI)前后庆阳市甲型病毒性肝炎(甲肝)流行规律及时空分布变化,为防控甲肝提供科学依据。方法收集中国传染病报告信息管理系统2006—2024年庆阳市8个县(区)122个乡(镇)甲肝病例资料,采用GeoDa1.22、SatScan9.4软件开展HepA-L纳入EPI前后的空间自相关和时空扫描分析。结果2006—2024年庆阳市共报告甲肝病例3581例,平均发病率8.20/10万,纳入前(2006—2007年)、纳入当年(2008年)、纳入后(2009—2024年)年均发病率分别为23.91/10万、31.68/10万、4.39/10万,纳入EPI后发病率下降83.44%。EPI前甲肝发病高峰为9—11月,10~14岁年龄组最高(51.28/10万),学生占比高(44.02%);EPI后无明显季节分布,15~19岁年龄组高(6.94/10万),农民占比高(68.50%)。全局空间自相关显示EPI前(Moran's I=0.177)及EPI后2009—2020年(Moran's I=0.266~0.398)间甲肝发病均存在空间聚集性,2021—2024年无空间相关性(Moran's I=0.078,Z=1.671,P>0.05);局部自相关分析EPI前热点区域主要集中在庆阳西北部,EPI后热点区域向东南部迁移,呈小范围聚集分布。时空扫描聚集时间为2007—2009年(RR=13.17,LLR=1649.135,P<0.001),主要分布在庆阳市西北部及东南部。结论庆阳市EPI后甲肝发病率显著下降,甲肝流行特征及时空分布EPI前后变化明显;需针对重点区域和人群制定针对性防控策略。展开更多
Previous research utilizing Cartoon Generative Adversarial Network(CartoonGAN)has encountered limitations in managing intricate outlines and accurately representing lighting effects,particularly in complex scenes requ...Previous research utilizing Cartoon Generative Adversarial Network(CartoonGAN)has encountered limitations in managing intricate outlines and accurately representing lighting effects,particularly in complex scenes requiring detailed shading and contrast.This paper presents a novel Enhanced Pixel Integration(EPI)technique designed to improve the visual quality of images generated by CartoonGAN.Rather than modifying the core model,the EPI approach employs post-processing adjustments that enhance images without significant computational overhead.In this method,images produced by CartoonGAN are converted from Red-Green-Blue(RGB)to Hue-Saturation-Value(HSV)format,allowing for precise adjustments in hue,saturation,and brightness,thereby improving color fidelity.Specific correction values are applied to fine-tune colors,ensuring they closely match the original input while maintaining the characteristic,stylized effect of CartoonGAN.The corrected images are blended with the originals to retain aesthetic appeal and visual distinctiveness,resulting in improved color accuracy and overall coherence.Experimental results demonstrate that EPI significantly increases similarity to original input images compared to the standard CartoonGAN model,achieving a 40.14%enhancement in visual similarity in Learned Perceptual Image Patch Similarity(LPIPS),a 30.21%improvement in structural consistency in Structural Similarity Index Measure(SSIM),and an 11.81%reduction in pixel-level error in Mean Squared Error(MSE).By addressing limitations present in the traditional CartoonGAN pipeline,EPI offers practical enhancements for creative applications,particularly within media and design fields where visual fidelity and artistic style preservation are critical.These improvements align with the goals of Fog and Edge Computing,which also seek to enhance processing efficiency and application performance in sensitive industries such as healthcare,logistics,and education.This research not only resolves key deficiencies in existing CartoonGAN models but also expands its potential applications in image-based content creation,bridging gaps between technical constraints and creative demands.Future studies may explore the adaptability of EPI across various datasets and artistic styles,potentially broadening its impact on visual transformation tasks.展开更多
对NOAA的POES系列极轨卫星观测得到的1978年以来近30年的极光沉降粒子半球能量的估算值EPI(Estimated Power Input)数据进行了分析,结果表明,极光沉降粒子有显著的春秋分峰值的年变化特征,并且有冬季半球沉降能量较大的南北半球不对称性...对NOAA的POES系列极轨卫星观测得到的1978年以来近30年的极光沉降粒子半球能量的估算值EPI(Estimated Power Input)数据进行了分析,结果表明,极光沉降粒子有显著的春秋分峰值的年变化特征,并且有冬季半球沉降能量较大的南北半球不对称性.对EPI的时均值Pa与地磁指数AE、D_(st)的相关分析得到.Pa与AE的相关系数为0.76,Pa与D_(st)的相关系数为-0.55.把南北半球的时均值SPa,NPa数据分别与AE,D_(st)指数做相关,发现SPa与AE的相关性稍高于NPa的,SPa和NPa与D_(st)的相关性近似.当时延τ=0时,AE与Pa的相关最好,表明全球极光沉降粒子和极光电集流的变化同步;当D_(st)滞后于Pa,时延τ=1～2 h,Pa与D_(st)的相关最好,并且时延τ为6～8 h,Pa与D_(st)的相关都好于无时延的水平.展开更多
文摘The article is the investigation of heavy metals pollution on surface water in Ikoli River and Epie creek in Yenagoa,metropolis,Bayelsa State.Pb,Cd,Ni,Cr,Fe,Zn was determined and evaluated using Geographical Information System.Zinc concentration was below the permissible limit of 3 mg/L in all the locations sampled.Iron is 77.78%below the limit of WHO 2011 of 0.3 mg/L while other heavy metals examined in Ikoli River and Epie creek are highly polluted.The pollution index for contamination index shows 11.11%sample are high and 88.89%are low while the evaluation of heavy metal index and the pollution index load of the heavy metals contain 22.11%of the sample are low and 77.78%are high which imply the Ikoli River and Epie creek is polluted.Multivariate treatment of the result revealed a good correlation between the PCA and HCA,which showed activities of natural processes and man influenced environmental sources of the heavy metals which were mainly products of automobiles exhaust,water tank leakages as well as dumping of radioactive wastes and burning.The study investigated successfully the potential use of GIS with the help of multiple criteria decision analysis to predict and characterize areas of high pollution,medium,and low pollution in the study area.
文摘目的分析2006—2024年甲肝减毒活疫苗(HepA-L)纳入扩大免疫规划(expanded program on immunization,EPI)前后庆阳市甲型病毒性肝炎(甲肝)流行规律及时空分布变化,为防控甲肝提供科学依据。方法收集中国传染病报告信息管理系统2006—2024年庆阳市8个县(区)122个乡(镇)甲肝病例资料,采用GeoDa1.22、SatScan9.4软件开展HepA-L纳入EPI前后的空间自相关和时空扫描分析。结果2006—2024年庆阳市共报告甲肝病例3581例,平均发病率8.20/10万,纳入前(2006—2007年)、纳入当年(2008年)、纳入后(2009—2024年)年均发病率分别为23.91/10万、31.68/10万、4.39/10万,纳入EPI后发病率下降83.44%。EPI前甲肝发病高峰为9—11月,10~14岁年龄组最高(51.28/10万),学生占比高(44.02%);EPI后无明显季节分布,15~19岁年龄组高(6.94/10万),农民占比高(68.50%)。全局空间自相关显示EPI前(Moran's I=0.177)及EPI后2009—2020年(Moran's I=0.266~0.398)间甲肝发病均存在空间聚集性,2021—2024年无空间相关性(Moran's I=0.078,Z=1.671,P>0.05);局部自相关分析EPI前热点区域主要集中在庆阳西北部,EPI后热点区域向东南部迁移,呈小范围聚集分布。时空扫描聚集时间为2007—2009年(RR=13.17,LLR=1649.135,P<0.001),主要分布在庆阳市西北部及东南部。结论庆阳市EPI后甲肝发病率显著下降,甲肝流行特征及时空分布EPI前后变化明显;需针对重点区域和人群制定针对性防控策略。
基金supported by the National Research Foundation of Korea(NRF)under Grant RS-2022-NR-069955(2022R1A2C1092178).
文摘Previous research utilizing Cartoon Generative Adversarial Network(CartoonGAN)has encountered limitations in managing intricate outlines and accurately representing lighting effects,particularly in complex scenes requiring detailed shading and contrast.This paper presents a novel Enhanced Pixel Integration(EPI)technique designed to improve the visual quality of images generated by CartoonGAN.Rather than modifying the core model,the EPI approach employs post-processing adjustments that enhance images without significant computational overhead.In this method,images produced by CartoonGAN are converted from Red-Green-Blue(RGB)to Hue-Saturation-Value(HSV)format,allowing for precise adjustments in hue,saturation,and brightness,thereby improving color fidelity.Specific correction values are applied to fine-tune colors,ensuring they closely match the original input while maintaining the characteristic,stylized effect of CartoonGAN.The corrected images are blended with the originals to retain aesthetic appeal and visual distinctiveness,resulting in improved color accuracy and overall coherence.Experimental results demonstrate that EPI significantly increases similarity to original input images compared to the standard CartoonGAN model,achieving a 40.14%enhancement in visual similarity in Learned Perceptual Image Patch Similarity(LPIPS),a 30.21%improvement in structural consistency in Structural Similarity Index Measure(SSIM),and an 11.81%reduction in pixel-level error in Mean Squared Error(MSE).By addressing limitations present in the traditional CartoonGAN pipeline,EPI offers practical enhancements for creative applications,particularly within media and design fields where visual fidelity and artistic style preservation are critical.These improvements align with the goals of Fog and Edge Computing,which also seek to enhance processing efficiency and application performance in sensitive industries such as healthcare,logistics,and education.This research not only resolves key deficiencies in existing CartoonGAN models but also expands its potential applications in image-based content creation,bridging gaps between technical constraints and creative demands.Future studies may explore the adaptability of EPI across various datasets and artistic styles,potentially broadening its impact on visual transformation tasks.
文摘对NOAA的POES系列极轨卫星观测得到的1978年以来近30年的极光沉降粒子半球能量的估算值EPI(Estimated Power Input)数据进行了分析,结果表明,极光沉降粒子有显著的春秋分峰值的年变化特征,并且有冬季半球沉降能量较大的南北半球不对称性.对EPI的时均值Pa与地磁指数AE、D_(st)的相关分析得到.Pa与AE的相关系数为0.76,Pa与D_(st)的相关系数为-0.55.把南北半球的时均值SPa,NPa数据分别与AE,D_(st)指数做相关,发现SPa与AE的相关性稍高于NPa的,SPa和NPa与D_(st)的相关性近似.当时延τ=0时,AE与Pa的相关最好,表明全球极光沉降粒子和极光电集流的变化同步;当D_(st)滞后于Pa,时延τ=1～2 h,Pa与D_(st)的相关最好,并且时延τ为6～8 h,Pa与D_(st)的相关都好于无时延的水平.
基金The National Natural Science Foundation of China(No.61205060)the Natural Science Foundation of Fujian Province of China(No.2011J01361)the Key Project of Science and Technology of Fujian Province of China(No.2013H0047)
