Axis Mk II Series - Image correction

M11MkIISeries
Thewebinterface
Maxgain:Selectthesuitablemaxgain.Ifyouincreasethemaxgain,itimprovesthevisiblelevelofdetailindarkimages,but
alsoincreasesthenoiselevel.Morenoisecanalsoresultinincreaseduseofbandwidthandstorage.Ifyousetthemaxgain
toahighvalue,imagescandifferalotifthelightconditionsareverydifferentfromdaytonight.Maxgainworkswithmax
shuttertoimprovetheimage.
Motion-adaptiveexposure
:Selecttoreducemotionblurinlow-lightconditions.
Blur-noisetrade-off:Usetheslidertoadjusttheprioritybetweenmotionblurandnoise.Ifyouwanttoprioritizelowbandwidth
andhavelessnoiseattheexpenseofdetailsinmovingobjects,movetheslidertowardsLownoise.Ifyouwanttoprioritizethe
preservationofdetailsinmovingobjectsattheexpenseofnoiseandbandwidth,movetheslidertowardsLowmotionblur.
Note
Youcanchangetheexposureeitherbyadjustingtheexposuretimeorbyadjustingthegain.Ifyouincreasetheexposure
time,itresultsinmoremotionblur,andifyouincreasethegain,itresultsinmorenoise.IfyouadjusttheBlur-noise
trade-offtowardsLownoise,theautomaticexposurewillprioritizelongerexposuretimesoverincreasinggain,andthe
oppositeifyouadjustthetrade-offtowardsLowmotionblur.Boththegainandexposuretimewilleventuallyreach
theirmaximumvaluesinlow-lightconditions,regardlessofthepriorityset.
Lockaperture
:TurnontokeeptheaperturesizesetbytheApertureslider.Turnofftoallowthecameratoautomatically
adjusttheaperturesize.Youcan,forexample,locktheapertureforsceneswithpermanentlightconditions.
Aperture
:Usetheslidertoadjusttheaperturesize,thatis,howmuchlightpassesthroughthelens.Toallowmorelight
toenterthesensorandtherebyproduceabrighterimageinlow-lightconditions,movetheslidertowardsOpen.Anopenaperture
alsoreducesthedepthofeld,whichmeansthatobjectsclosetoorfarfromthecameracanappearunfocused.Toallowmoreof
theimagetobeinfocus,movetheslidertowardsClosed.
Exposurelevel:Usetheslidertoadjusttheimageexposure.
Defog
:Turnontodetecttheeffectsoffoggyweatherandautomaticallyremovethemforaclearerimage.
Note
WerecommendyounottoturnonDefoginsceneswithlowcontrast,largelightlevelvariations,orwhentheautofocusis
slightlyoff.Thiscanaffecttheimagequality,forexample,byincreasingthecontrast.Furthermore,toomuchlightcan
negativelyimpacttheimagequalitywhendefogisactive.
Imagecorrection
Important
Werecommendyounottousemultipleimagecorrectionfeaturesatthesametime,sinceitcanleadtoperformanceissues.
Barreldistortioncorrection(BDC)
:Turnontogetastraighterimageifitsuffersfrombarreldistortion.Barreldistortion
isalenseffectthatmakestheimageappearcurvedandbentoutwards.Theconditionisseenmoreclearlywhentheimageis
zoomedout.
Crop
:Usetheslidertoadjustthecorrectionlevel.Alowerlevelmeansthattheimagewidthiskeptattheexpenseof
imageheightandresolution.Ahigherlevelmeansthatimageheightandresolutionarekeptattheexpenseofimagewidth.
Removedistortion:Usetheslidertoadjustthecorrectionlevel.Puckermeansthattheimagewidthiskeptattheexpense
ofimageheightandresolution.Bloatmeansthatimageheightandresolutionarekeptattheexpenseofimagewidth.
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