"Two-stage image de-noising by principal component analysis with local pixel grouping"
A research paper by
Lei Zhang a,, WeishengDong a,b, DavidZhang a, GuangmingShi b
a Department ofComputing,TheHongKongPolytechnicUniversity,HongKong,China
b KeyLaboratoryofIntelligentPerceptionandImageUnderstanding(ChineseMinistryofEducation),SchoolofElectronicEngineering,XidianUniversity,China