Pan-sharpening is a process of obtaining a high spatial and spectral multispectral image(HMS)by combining a low-resolution multispectral image(LMS)with a high-resolution panchromatic image(PAN).In this paper,a pan-sha...Pan-sharpening is a process of obtaining a high spatial and spectral multispectral image(HMS)by combining a low-resolution multispectral image(LMS)with a high-resolution panchromatic image(PAN).In this paper,a pan-sharpening method called PAIHS is proposed,which is based on adaptive intensity-hue-saturation(AIHS)transformation,variational pan-sharpening framework and the two fidelity hypotheses.The suitable objective function is established and optimized by adopting particle swarm optimization(PSO)to obtain the optimal control parameters and minimum value.This value corresponds to the best pan-sharpening quality.The experimental results show that the proposed method has high efficiency and reliability,and the obtained performance index is superior to the four mainstream pan-sharpening methods.展开更多
AIH is a chronic disease of unknown origin characterized by persistent inflammation and necrosis in the liver,which can progress to liver cirrhosis.The disease's progression can be slow,and patients may present wi...AIH is a chronic disease of unknown origin characterized by persistent inflammation and necrosis in the liver,which can progress to liver cirrhosis.The disease's progression can be slow,and patients may present with a wide range of symptoms,from no symptoms at all to sudden,severe hepatic failure.The diagnosis of AIH can be easily made using the IAH scoring system.In patients with impaired liver function,it is important to investigate for AIH by ruling out viral hepatitis,drug-induced hepatitis,and alcoholic hepatitis,and by conducting tests for autoimmune markers.The standard treatment for AIH is immunosuppressive therapy.Although AIH is relatively uncommon,it can be fatal if left untreated;however,early diagnosis and treatment often result in a favorable response.Our objective is to bring attention to AIH and emphasize the importance of increased awareness of this disease in patients with unexplained liver impairment.展开更多
基金National Natural Science Foundation of China(No.61703278)。
文摘Pan-sharpening is a process of obtaining a high spatial and spectral multispectral image(HMS)by combining a low-resolution multispectral image(LMS)with a high-resolution panchromatic image(PAN).In this paper,a pan-sharpening method called PAIHS is proposed,which is based on adaptive intensity-hue-saturation(AIHS)transformation,variational pan-sharpening framework and the two fidelity hypotheses.The suitable objective function is established and optimized by adopting particle swarm optimization(PSO)to obtain the optimal control parameters and minimum value.This value corresponds to the best pan-sharpening quality.The experimental results show that the proposed method has high efficiency and reliability,and the obtained performance index is superior to the four mainstream pan-sharpening methods.
文摘AIH is a chronic disease of unknown origin characterized by persistent inflammation and necrosis in the liver,which can progress to liver cirrhosis.The disease's progression can be slow,and patients may present with a wide range of symptoms,from no symptoms at all to sudden,severe hepatic failure.The diagnosis of AIH can be easily made using the IAH scoring system.In patients with impaired liver function,it is important to investigate for AIH by ruling out viral hepatitis,drug-induced hepatitis,and alcoholic hepatitis,and by conducting tests for autoimmune markers.The standard treatment for AIH is immunosuppressive therapy.Although AIH is relatively uncommon,it can be fatal if left untreated;however,early diagnosis and treatment often result in a favorable response.Our objective is to bring attention to AIH and emphasize the importance of increased awareness of this disease in patients with unexplained liver impairment.
