将引导滤波与提升小波相结合提出了一种多尺度引导滤波方法,以实现在平滑图像细节的同时保持图像边缘不模糊。该方法通过提升小波法对将图像进行多尺度分解,即将信号分解成一个低频子带和多个高频子带。在提升小波重构过程中,利用引导...将引导滤波与提升小波相结合提出了一种多尺度引导滤波方法,以实现在平滑图像细节的同时保持图像边缘不模糊。该方法通过提升小波法对将图像进行多尺度分解,即将信号分解成一个低频子带和多个高频子带。在提升小波重构过程中,利用引导滤波平滑每个尺度的低频信息并保持其边缘不模糊。最后,针对滤波后残余的细节,对提升小波重构后的平滑图像再次进行引导滤波,以便进一步平滑图像细节。将多尺度引导滤波应用于暗通道去雾先验理论并进行了主、客观评价。结果显示:多尺度引导滤波能够深层次平滑图像细节,保持边缘完整性,从整体上提高了图像的对比对和视觉效果,有效恢复了场景信息并保留场景的边缘信息。另外,该方法改善了客观评价指标,其对比度增强系数指标平均提升了0.1以上,场景结构相似度平均提升了1以上,而LOE(Lightness Order Error)参数降低了10以上,满足了去雾应用的视觉需求。展开更多
A new system of FRET was built in this paper.In the condition of λex/λem=400nm/560nm,0.1mol/L Tris buffer(pH=7.0),the effective energy transfer can occur between FITC(Fluorescein 5-isothiocyanate) and Rhodamine 6G(6...A new system of FRET was built in this paper.In the condition of λex/λem=400nm/560nm,0.1mol/L Tris buffer(pH=7.0),the effective energy transfer can occur between FITC(Fluorescein 5-isothiocyanate) and Rhodamine 6G(6G).The quenching of fluorescence of the system happened with the addition of BSA.According to that a new determination of BSA was developed.The quenching of this system liners with BSA from 10mg/L to 35mg/L,and the limit of determination is 9.5mg/L.The linear regression is F=0.0363×CBSA+0.7256 with the correlation coefficient,r=0.9970.展开更多
Resonance Light Scattering(RLS) Spectra method is used to study the system of CPC and K2HgI4.In a B-R buffer solution which pH was 2.5,the intensity of CPC’s RLS increased greatly with the formation of ion-associatio...Resonance Light Scattering(RLS) Spectra method is used to study the system of CPC and K2HgI4.In a B-R buffer solution which pH was 2.5,the intensity of CPC’s RLS increased greatly with the formation of ion-association.There was the peak at 497nm which is linear relation to the concentration of CPC.According to that,we built a RLS method of determination of CPC.This method is simple,rapid and sensitive.It was used to determine CPC in the synthetic water samples.The results were satisfactory.展开更多
文摘将引导滤波与提升小波相结合提出了一种多尺度引导滤波方法,以实现在平滑图像细节的同时保持图像边缘不模糊。该方法通过提升小波法对将图像进行多尺度分解,即将信号分解成一个低频子带和多个高频子带。在提升小波重构过程中,利用引导滤波平滑每个尺度的低频信息并保持其边缘不模糊。最后,针对滤波后残余的细节,对提升小波重构后的平滑图像再次进行引导滤波,以便进一步平滑图像细节。将多尺度引导滤波应用于暗通道去雾先验理论并进行了主、客观评价。结果显示:多尺度引导滤波能够深层次平滑图像细节,保持边缘完整性,从整体上提高了图像的对比对和视觉效果,有效恢复了场景信息并保留场景的边缘信息。另外,该方法改善了客观评价指标,其对比度增强系数指标平均提升了0.1以上,场景结构相似度平均提升了1以上,而LOE(Lightness Order Error)参数降低了10以上,满足了去雾应用的视觉需求。
文摘A new system of FRET was built in this paper.In the condition of λex/λem=400nm/560nm,0.1mol/L Tris buffer(pH=7.0),the effective energy transfer can occur between FITC(Fluorescein 5-isothiocyanate) and Rhodamine 6G(6G).The quenching of fluorescence of the system happened with the addition of BSA.According to that a new determination of BSA was developed.The quenching of this system liners with BSA from 10mg/L to 35mg/L,and the limit of determination is 9.5mg/L.The linear regression is F=0.0363×CBSA+0.7256 with the correlation coefficient,r=0.9970.
文摘Resonance Light Scattering(RLS) Spectra method is used to study the system of CPC and K2HgI4.In a B-R buffer solution which pH was 2.5,the intensity of CPC’s RLS increased greatly with the formation of ion-association.There was the peak at 497nm which is linear relation to the concentration of CPC.According to that,we built a RLS method of determination of CPC.This method is simple,rapid and sensitive.It was used to determine CPC in the synthetic water samples.The results were satisfactory.
