公开(公告)号：US20180270493A1

公开(公告)日：2018-09-20

申请号：US15754713

申请日：2016-08-22

Applicant: UNIVERSITY OF WARWICK

Inventor： Alan CHALMERS ,  Jonathan HATCHETT ,  Joshua MCNAMEE ,  Kurt DEBATTISTA

IPC: H04N19/46 ,  H04N19/184 ,  H04N19/172 ,  H04N19/34

CPC classification number: H04N19/46 ,  G09G2320/0276 ,  H04N19/172 ,  H04N19/184 ,  H04N19/34

Abstract: A method of compressing and decompressing High Dynamic Range images utilising the relationship: (I) Where γ≥2.5; and (II)=compressed; and (III)=linear [ R G B ] c = [ R G B ] l 1 γ  [ R G B ] l = [ R G B ] c γ ( I ) [ · · · ] c ( II ) [ · · · ] l ( III )