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1、Therearemanyrestrictions(defects)onhumanvisualfunction,suchasthespatialresolution,timeresolution,colorresolution,andcontrastresolutionlimitations．Compensating(improvement)andusingtheserestrictiombringfortllanumberofrelevantscientificandindustry．Tocompensatespatialresolutionlimitationofhumanvisio
2、n,thesubjectsandindustriesrelatedwiththegeneralizedopticalamplification(ordinaryopticalamplificationandmicro-technology,electro-opticalmicroscopy,ere．)wereproduced．Theuseofthetimeresolutionlimitationofhumanvisionproducedavarietyofvideotechnologiesandindustries．Tocompensateforthetimeresolutionlim
3、itationofhumanvision(cannotdistinguishfast-changingthings，)thereareQuick-Shot-Slow-Screeningtechnology(physicalandchemicalreactions，sports)andTime—Lapse-Fast-Screeningtechnology(organismgrowth)．Humanvisualcontrastresolutionlimitation(defect)isoneofmanykinddefectsofhumanvision．Currently,monitorin
4、g，criminalinvestigation,detection,targeting，firecontrol，tracking，guidance，drivingandmedicaliIIlaghagallaredesignedonthebasesofthephotopicvisioncondition．ThenormalhumanvisualperceptionCannotperceiveimagesinformationinthedarkorlow-lightconditions．Thisisaproblemthatshouldbesolvedwhetheracademically
5、ortechnologically．So，amethodofthecompensationofhumanvisioncontrastresolutionWasproposedinthispaper．Thisisanovelprobleminbothoftheacademicandthetechnologic．ThispaperrootsintheprojectoftheNationalNaturalScienceFoundation,”Themethodsofthebestandcreationbasedonamachinevision．’’Itqualityimageassessme
6、ntreferstousecomputerimageprocessingtechnologytosolvethequestionthatthenormalhumanvisioncannotresolvetheimagetakenfromthedimlight(darkvision)．Basedtheresultsofmeasuringthehumanvisualcontrastresolutionlimitation,acompensationmethodforthehumanvisualcontrastresolutionunderthescotopicvisionWaspropos
7、edtorealizeLowerLayerImageMiningunderthelowerlightlevel．Forseekingthebestcompensationdepthvalue，weanalyzeddetailedthefactorsrelevanttoaffectingthevisualqualityofanimageandextractedthreekeyimagequalityparametersinthispaper．An
