机译:Multidirectional Gradient Neighbourhood-Weighted Image Sharpness Evaluation Algorithm
Xian Univ Posts & Telecommun, Acad Digital Arts, Xian 710121, Shaanxi, Peoples R China|Shaanxi Normal Univ, Inst Educ, Xian 710062, Shaanxi, Peoples R China;
Xian Univ Posts & Telecommun, Sch Comp Sci & Technol, Xian 710121, Shaanxi, Peoples R China;
Northwestern Polytech Univ, Sch Elect Informat, Xian 710129, Shaanxi, Peoples R China;