Axis M3114 User Manual

USERMANUAL
AXISM3114-RNetworkCamera
Aboutthisdocument
ThismanualisintendedforadministratorsandusersoftheAXIS M3114-RNetworkCamera,andisapplicabletormware5.40and later.Itincludesinstructionsforusingandmanagingtheproducton yournetwork.Previousexperienceofnetworkingwillbeofusewhen usingthisproduct.SomeknowledgeofUNIXorLinux-basedsystems mayalsobebenecial,fordevelopingshellscriptsandapplications. LaterversionsofthisdocumentwillbepostedtotheAxiswebsite, asrequired.Seealsotheproduct’sonlinehelp,availableviathe web-basedinterface.
Liability
Everycarehasbeentakeninthepreparationofthismanual.Please informyourlocalAxisofceofanyinaccuraciesoromissions.Axis CommunicationsABcannotbeheldresponsibleforanytechnicalor typographicalerrorsandreservestherighttomakechangestothe productandmanualswithoutpriornotice.AxisCommunicationsAB makesnowarrantyofanykindwithregardtothematerialcontained withinthisdocument,including,butnotlimitedto,theimplied warrantiesofmerchantabilityandtnessforaparticularpurpose.Axis CommunicationsABshallnotbeliablenorresponsibleforincidentalor consequentialdamagesinconnectionwiththefurnishing,performance oruseofthismaterial.Thisproductisonlytobeusedforitsintended purpose.
IntellectualPropertyRights
AxisABhasintellectualpropertyrightsrelatingtotechnologyembodied intheproductdescribedinthisdocument.Inparticular,andwithout limitation,theseintellectualpropertyrightsmayincludeoneormore ofthepatentslistedathttp://www.axis.com/patent.htmandoneor moreadditionalpatentsorpendingpatentapplicationsintheUSand othercountries.
Thisproductcontainslicensedthird-partysoftware.Seethemenuitem “About”intheproduct’suserinterfaceformoreinformation.
ThisproductcontainssourcecodecopyrightAppleComputer, Inc.,underthetermsofApplePublicSourceLicense2.0(see http://www.opensource.apple.com/apsl).Thesourcecodeisavailable fromhttp://developer.apple.com/darwin/projects/bonjour/
EquipmentModications
Thisequipmentmustbeinstalledandusedinstrictaccordancewiththe instructionsgivenintheuserdocumentation.Thisequipmentcontains nouser-serviceablecomponents.Unauthorizedequipmentchangesor modicationswillinvalidateallapplicableregulatorycertications andapprovals.
TrademarkAcknowledgments
Apple,Boa,Bonjour,Ethernet,InternetExplorer,Linux,Microsoft, Mozilla,Real,SMPTE,QuickTime,UNIX,Windows,WindowsVistaand WWWareregisteredtrademarksoftherespectiveholders.Javaand allJava-basedtrademarksandlogosaretrademarksorregistered trademarksofOracleand/oritsafliates.UPnP markoftheUPnP
TM
ImplementersCorporation.
TM
isacertication
Support
Shouldyourequireanytechnicalassistance,pleasecontactyourAxis reseller.Ifyourquestionscannotbeansweredimmediately,your resellerwillforwardyourqueriesthroughtheappropriatechannelsto ensurearapidresponse.IfyouareconnectedtotheInternet,youcan:
downloaduserdocumentationandsoftwareupdates
ndanswerstoresolvedproblemsintheFAQdatabase.Search
byproduct,category,orphrase
reportproblemstoAxissupportstaffbyloggingintoyourprivate
supportarea
chatwithAxissupportstaff(selectedcountriesonly)
visitAxisSupportatwww.axis.com/techsup/
USA
Thisequipmenthasbeentestedusingashieldednetworkcable(STP) andfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttopart15oftheFCCRules.Theselimitsaredesigned toprovidereasonableprotectionagainstharmfulinterferenceina residentialinstallation.Thisequipmentgenerates,usesandcanradiate radiofrequencyenergyand,ifnotinstalledandusedinaccordance withtheinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterference
willnotoccurinaparticularinstallation.Ifthisequipmentdoes causeharmfulinterferencetoradioortelevisionreception,which canbedeterminedbyturningtheequipmentoffandon,theuseris encouragedtotrytocorrecttheinterferencebyoneormoreofthe followingmeasures:
Reorientorrelocatethereceivingantenna.
Increasetheseparationbetweentheequipmentandreceiver.
Connecttheequipmentintoanoutletonacircuitdifferentfrom
thattowhichthereceiverisconnected.
Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
Canada
ThisClassBdigitalapparatuscomplieswithCanadianICES-003.
Europe
ThisdigitalequipmentfulllstherequirementsforRFemission accordingtotheClassBlimitofEN55022.
Thisproductfulllstherequirementsforimmunityaccording toEN61000-6-1residential,commercialandlight-industrial environments.
Thisproductfulllstherequirementsforimmunityaccordingto EN61000-6-2industrialenvironments.
Thisproductfulllstherequirementsforimmunityaccordingto EN55024ofceandcommercialenvironments
Australia/NewZealand
ThisdigitalequipmentfulllstherequirementsforRFemission accordingtotheClassBlimitofAS/NZSCISPR22.
Japan
この装置は、クラスB情報技術装置です。この装置は、家庭 環境で使用することを目的としていますが、この装置がラジ オやテレビジョン受信機に近接して使用されると、受信障 害を引き起こすことがあります。取扱説明書に従って正し い取り扱いをして下さい。
AXISM3114-RNetworkCamera
TableofContents
HardwareOverview..........................................4
Connectors....................................................4
LEDIndicators..................................................5
AccessingtheProduct.......................................6
AccessfromaBrowser...........................................6
AccessfromtheInternet..........................................7
SettheRootPassword...........................................7
TheLiveViewPage..............................................8
MediaStreams.............................................11
HowtoStreamH.264............................................11
MJPEG........................................................11
AXISMediaControl(AMC)........................................11
AlternativeMethodsofAccessingtheVideoStream....................12
SettingUptheProduct......................................14
BasicSetup....................................................14
Video.....................................................15
VideoStream...................................................15
StreamProles.................................................16
CameraSettings................................................17
ViewArea.....................................................18
Overlay........................................................18
PrivacyMask...................................................19
LiveViewCong............................................20
PTZ(PanTiltZoom).........................................22
PresetPositions.................................................22
GuardTour.....................................................22
Advanced......................................................23
Detectors..................................................24
CameraTampering..............................................24
MotionDetection...............................................24
Applications...............................................27
Events....................................................28
ConvertEventTypestoActionRules................................29
SettingUpanActionRule........................................29
Recipients.....................................................29
Schedules......................................................30
Recurrences....................................................30
Recordings.................................................32
RecordingList..................................................32
ContinuousRecording............................................32
SystemOptions.............................................33
Security.......................................................33
Date&Time....................................................34
Network.......................................................35
Storage.......................................................39
Maintenance...................................................40
Support.......................................................40
Advanced......................................................41
ResettoFactoryDefaultSettings...................................41
Troubleshooting............................................42
CheckingtheFirmware...........................................42
UpgradingtheFirmware..........................................42
EmergencyRecoveryProcedure....................................42
Symptoms,PossibleCausesandRemedialActions.....................43
TechnicalSpecications......................................46
PerformanceConsiderations.......................................48
3
AXISM3114-RNetworkCamera
6
7
1
2
3
4
5
8
HardwareOverview
HardwareOverview
1
180°mark
2
Lensholder
3
Opticmount
4
Opticholder
5
Usescrewsheretomountcameratomountingsurface
6
Controlbutton
7
LEDindicators
8
Networkcable
Connectors
Fortechnicalspecications,seepage46.
TheAxisproductisavailableintwovariantswithdifferentconnectors:
Networkconnector-RJ-45Ethernetconnector.SupportsPoweroverEthernet(PoE).
4
AXISM3114-RNetworkCamera
HardwareOverview
Networkconnector-D-codedM12connector.SupportsPoweroverEthernet(PoE).
NOTICE
NOTICE NOTICE
Theproductshallbeconnectedusingashieldednetworkcable(STP).Allcablesconnectingtheproducttothenetwork switchshallbeshielded(STP)andintendedfortheirspecicuse.Makesurethatthenetworkswitchisproperlygrounded. Seeforregulatoryrequirements.
Controlbutton-Thecontrolbuttonisusedfor:
•ConnectingtoanAXISVideoHostingSystemservice.Seepage35.Toconnect,pressandholdthebuttonfor about1seconduntiltheStatusLEDashesgreen.
•ConnectingtoAXISInternetDynamicDNSService.Seepage36.Toconnect,pressandholdthebuttonfor about3seconds.
•Resettingtheproducttofactorydefaultsettings.Seepage41.
LEDIndicators
LED
Network
Status
Note
•TheStatusLEDcanbeconguredtobeunlitduringnormaloperation.Tocongure,gotoSetup>SystemOptions>Ports
•TheStatusLEDcanbeconguredtoashwhileaneventisactive.
•TheStatusLEDcanbeconguredtoashforidentifyingtheunit.GotoSetup>SystemOptions>Maintenance.
Color
Green
Amber
UnlitNonetworkconnection.
GreenSteadygreenfornormaloperation.
Amber
Red
Green
Amber
&Devices>LED.Seetheonlinehelpformoreinformation.
Indication
Steadyforconnectiontoa100MBit/snetwork.Flashesfornetworkactivity.
Steadyforconnectiontoa10MBit/snetwork.Flashesfornetworkactivity.
Steadyduringstartupandwhenrestoringsettings.
Slowashforfailedupgrade.
Normaloperation. Power
Flashesgreen/amberduringrmwareupgrade.
5
AXISM3114-RNetworkCamera
AccessingtheProduct
AccessingtheProduct
ToinstalltheAxisproduct,refertotheInstallationGuidesuppliedwiththeproduct.
Theproductcanbeusedwithmostoperatingsystemsandbrowsers.TherecommendedbrowsersareInternetExplorerwithWindows, SafariwithMacintoshandFirefoxwithotheroperatingsystems.SeeTechnicalSpecications,onpage46.Toviewstreamingvideoin InternetExplorer,allowinstallationofAXISMediaControl(AMC)whenprompted.
TheAxisproductincludesone(1)H.264decoderlicenseforviewingvideostreams.ThelicenseisautomaticallyinstalledwithAMC. Theadministratorcandisabletheinstallationofthedecoders,topreventinstallationofunlicensedcopies.
Note
•QuickTime
•Ifyourcomputerrestrictstheuseofadditionalsoftwarecomponents,theproductcanbeconguredtouseaJavaapplet forviewingMotionJPEG.
AccessfromaBrowser
1.Startabrowser(InternetExplorer,Firefox,Safari).
TM
isalsosupportedforviewingH.264streams.
2.EntertheIPaddressorhostnameoftheAxisproductinthebrowser’sLocation/Addresseld.Toaccesstheproductfroma
Macintoshcomputer(MacOSX),clickontheBonjourtabandselecttheproductfromthedrop-downlist.
IfyoudonotknowtheIPaddress,useAXISIPUtilitytolocatetheproductonthenetwork.Forinformationabouthowto discoverandassignanIPaddress,seetheInstallationandManagementSoftwareCDorthedocumentAssignanIPAddress andAccesstheVideoStreamonAxisSupportwebatwww.axis.com/techsup
3.Enteryourusernameandpassword.Ifthisisthersttimetheproductisaccessed,therootpasswordmustrstbe
congured.Forinstructions,seeSettheRootPassword,onpage7.
4.Theproduct’sLiveViewpageappearsinyourbrowser.
Note
ThecontrolsandlayoutoftheLiveViewpagemayhavebeencustomizedtomeetspecicinstallationrequirementsand userpreferences.Consequently,someoftheexamplesandfunctionsfeaturedheremaydifferfromthosedisplayedin yourownLiveViewpage.
6
AXISM3114-RNetworkCamera
AccessingtheProduct
AccessfromtheInternet
Onceconnected,theAxisproductisaccessibleonyourlocalnetwork(LAN).ToaccesstheproductfromtheInternetyoumust congureyournetworkroutertoallowincomingdatatrafctotheproduct.Todothis,enabletheNAT-traversalfeature,which willattempttoautomaticallyconguretheroutertoallowaccesstotheproduct.ThisisenabledfromSetup>SystemOptions>
Network>TCP/IPAdvanced.
Formoreinformation,pleaseseeNATtraversal(portmapping)forIPv4,onpage37.SeealsoAXISInternetDynamicDNSServiceat www.axiscam.netForTechnicalnotesonthisandothertopics,visittheAxisSupportwebatwww.axis.com/techsup
SettheRootPassword
TogainaccesstotheAxisproduct,youmustsetthepasswordforthedefaultadministratoruserroot.ThisisdoneintheCongure RootPassworddialog,whichappearswhentheproductisaccessedforthersttime.
Topreventnetworkeavesdropping,therootpasswordcanbesetviaanencryptedHTTPSconnection,whichrequiresanHTTPS certicate.HTTPS(HypertextTransferProtocoloverSSL)isaprotocolusedtoencrypttrafcbetweenwebbrowsersandservers.The HTTPScerticateensuresencryptedexchangeofinformation.SeeHTTPS,onpage37.
Thedefaultadministratorusernamerootispermanentandcannotbedeleted.Ifthepasswordforrootislost,theproductmustbe resettothefactorydefaultsettings.SeeResettoFactoryDefaultSettings,onpage41.
TosetthepasswordviaastandardHTTPconnection,enteritdirectlyintherstdialog.
TosetthepasswordviaanencryptedHTTPSconnection,followthesesteps:
1.ClickCreateself-signedcerticate.
2.ProvidetherequestedinformationandclickOK.Thecerticateiscreatedandthepasswordcannowbesetsecurely.All
trafctoandfromtheproductisencryptedfromthispointon.
3.Enterapasswordandthenre-entertoconrmthespelling.ClickOK.Thepasswordhasnowbeencongured.
7
AXISM3114-RNetworkCamera
AccessingtheProduct
SetPowerLineFrequency
PowerlinefrequencyissetthersttimetheAxisproductisaccessedandcanonlybechangedfromPlainCong(seepage41) orbyresettingtheproducttofactorydefault.
Selectthepowerlinefrequency(50Hzor60Hz)usedatthelocationoftheAxisproduct.Selectingthewrongfrequencymaycause imageickeriftheproductisusedinuorescentlightenvironments.
Whenusing50Hz,themaximumframerateislimitedto25fps.
Note
Powerlinefrequencyisdifferentindifferentgeographicregions.IntheAmericas,60Hzisusuallyused;mostotherpartsof theworlduse50Hz.Localvariationsmayapply,alwayscheckwiththelocalauthorities.
TheLiveViewPage
ThecontrolsandlayoutoftheLiveViewpagemayhavebeencustomizedtomeetspecicinstallationrequirementsanduser preferences.Consequently,someoftheexamplesandfunctionsfeaturedheremaydifferfromthosedisplayedinyourownLiveView page.Thefollowingprovidesanoverviewofeachavailablecontrol.
ControlsontheLiveViewPage
ClickViewsizetoscaletheimagedownto800pixelswideortofullscale.OnlyavailableinMJPEG.
TheStreamProledrop-downlistallowsyoutoselectacustomizedorpre-programmedstreamprole.Stream prolesareconguredunderVideo>StreamProles.SeeStreamProles,onpage16.
8
AXISM3114-RNetworkCamera
AccessingtheProduct
TheManualTriggerbuttonisusedtotriggeranactionrulefromtheLiveViewpage;see.Enablethisbutton fromLiveViewCong>ActionButtons.
ClickSnapshottosaveasnapshotofthevideoimage.Right-clickthevideoimagetosaveitinJPEGformatonyour computer.ThisbuttonisprimarilyintendedforusewhentheAXISMediaControlviewertoolbarisnotavailable. EnablethisbuttonfromLiveViewCong>ActionButtons.
AXISMediaControlviewertoolbar
TheAXISMediaControlviewertoolbarisavailableinInternetExploreronly.SeeAXISMediaControl(AMC),onpage11formore information.Thetoolbardisplaysthefollowingbuttons:
ThePlaybuttonconnectstotheAxisproductandstartsplayingamediastream.
TheStopbuttonstopsthemediastream.
TheSnapshotbuttontakesasnapshotofthevideoimage.Thelocationwheretheimageissavedcanbespecied intheAMCControlPanel.
ClicktheViewFullScreenbuttonandthevideoimagewilllltheentirescreen.PressESC(Escape)onthecomputer keyboardtocancelfullscreenview.
TheRecordbuttonisusedtorecordthecurrentvideostream.Thelocationwheretherecordingissavedcanbespeciedin theAMCControlPanel.EnablethisbuttonfromLiveViewCong>ViewerSettings.
PTZControls
TheLiveViewpagealsodisplaysPan/Tilt/Zoom(PTZ)controls.Theadministratorcanenable/disablecontrolsforspeciedusersunder SystemOptions>Security>Users.
Note
ThesecontrolsareavailableifdigitalPTZisenabledintheselectedviewarea,seeViewArea,onpage18.
ClicktheEmulatejoystickmodebuttonandclickintheimagetomovethecameraviewinthedirectionofthe mousepointer.
ClicktheCentermodebuttonandclickintheimagetocenterthecameraviewonthatposition.Thecentermode buttoncouldalsobeusedtozoominonaspecicarea.Clickintheimageanddragtodrawarectanglesurrounding theareatobemagnied.Tozoomout,rotatethemousewheel.
ClicktheCtrlpanelbuttontoopenthePTZcontrolpanelwhichprovidesadditionalPTZcontrols. User-denedbuttonscanalsoappearintheControlpanel.SeeControls,onpage23.
SelectaPTZpresetpositiontosteerthecameraviewtothesavedposition.SeePresetPositions, onpage22.
9
AXISM3114-RNetworkCamera
AccessingtheProduct
PanandTiltbars–Usethearrowstopanandtiltthecameraview,orclickonapositiononthebartosteerthe cameraviewtothatposition.
Zoombar–Usethearrowstozoominandout,orclickonapositiononthebartozoomtothatposition.
ThePTZcontrolscanbedisabledunderPTZ>Advanced>Controls,seeControls,onpage23.
10
AXISM3114-RNetworkCamera
MediaStreams
MediaStreams
TheAxisproductprovidesseveralvideostreamformats.Yourrequirementsandthepropertiesofyournetworkwilldeterminethe typeyouuse.
TheLiveViewpageintheproductprovidesaccesstoH.264andMotionJPEGvideostreams,andtothelistofavailablestreamproles. Otherapplicationsandclientscanaccessvideostreamsdirectly,withoutgoingviatheLiveViewpage.
HowtoStreamH.264
ThevideocompressionstandardH.264makesgooduseofbandwidth,andcanprovidehighqualityvideostreamsatlessthan1Mbit/s.
Decidingwhichcombinationofprotocolsandmethodstousedependsonyourviewingrequirements,andonthepropertiesof yournetwork.TheavailableoptionsinAXISMediaControlare:
UnicastRTP
RTPoverRTSP
RTPoverRTSPoverHTTP
MulticastRTP
AXISMediaControlnegotiateswiththeAxisproducttodeterminethetransportprotocoltouse.Theorderofpriority,listedinthe AMCControlPanel,canbechangedandtheoptionsdisabled,tosuitspecicrequirements.
Note
H.264islicensedtechnology.TheAxisproductincludesoneH.264viewingclientlicense.Installingadditionalunlicensed copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
Thisunicastmethod(RTPoverUDP)isused forliveunicastvideo,especiallywhenitis importanttoalwayshaveanup-to-datevideo stream,evenifsomeimagesaredropped.
Thisunicastmethod(RTPtunneledoverRTSP) isusefulasitisrelativelysimpletocongure rewallstoallowRTSPtrafc.
Thisunicastmethodcanbeusedtotraverse rewalls.Firewallsarecommonlyconguredto allowtheHTTPprotocol,thusallowingRTPto betunneled.
Thismethod(RTPoverUDP)shouldbeusedforlivemulticastvideo.Thevideostreamisalways up-to-date,evenifsomeimagesaredropped. Multicastingprovidesthemostefcientusageofbandwidthwhentherearelargenumbersof clientsviewingsimultaneously.Amulticastcannothowever,passanetworkrouterunlessthe routerisconguredtoallowthis.ItisnotpossibletomulticastovertheInternet,forexample. Notealsothatallmulticastviewerscountasoneunicastviewerinthemaximumtotalof20 simultaneousconnections.
Unicastingisusedforvideo-on-demand transmissionsothatthereisnovideotrafc onthenetworkuntilaclientconnectsand requeststhestream. Notethatthereareamaximumof20 simultaneousunicastconnections.
MJPEG
ThisformatusesstandardJPEGstillimagesforthevideostream.Theseimagesarethendisplayedandupdatedataratesufcient tocreateastreamthatshowsconstantlyupdatedmotion.
TheMotionJPEGstreamusesconsiderableamountsofbandwidth,butprovidesexcellentimagequalityandaccesstoeveryimage containedinthestream.TherecommendedmethodofaccessingMotionJPEGlivevideofromtheAxisproductistousetheAXIS MediaControlinInternetExplorerinWindows.
AXISMediaControl(AMC)
AXISMediaControl(AMC)inInternetExplorerinWindowsistherecommendedmethodofaccessinglivevideofromtheAxisproduct.
11
AXISM3114-RNetworkCamera
MediaStreams
TheAMCControlPanelcanbeusedtocongurevariousvideosettings.PleaseseetheAXISMediaControlUser’sManualformore information.
TheAMCControlPanelisautomaticallyinstalledonrstuse,afterwhichitcanbecongured.OpentheAMCControlPanelfrom:
•WindowsControlPanel(fromtheStartmenu)
•Alternatively,right-clickthevideoimageinInternetExplorerandclickSettings.
AlternativeMethodsofAccessingtheVideoStream
YoucanalsoaccessvideoandimagesfromtheAxisproductinthefollowingways:
MotionJPEGserverpush(ifsupportedbytheclient,Firefox,forexample).ThisoptionmaintainsanopenHTTPconnection
tothebrowserandsendsdataasandwhenrequired,foraslongasrequired.
StillJPEGimagesinabrowser.Enterthepathhttp://<ip>/axis-cgi/jpg/image.cgi
WindowsMediaPlayer.ThisrequiresAXISMediaControlandtheH.264decodertobeinstalled.Thefollowingpaths
canbeused:
-UnicastviaRTP:axrtpu://<ip>/axis-media/media.amp
-UnicastviaRTSP:axrtsp://<ip>/axis-media/media.amp
-UnicastviaRTSP,tunneledviaHTTP:axrtsphttp://<ip>/axis-media/media.amp
-Multicast:axrtpm://<ip>/axis-media/media.amp
QuickTime
TM
.Thefollowingpathscanbeused:
-rtsp://<ip>/axis-media/media.amp
-rtsp://<ip>/axis-media/media.3gp
12
AXISM3114-RNetworkCamera
MediaStreams
Note
<ip>=IPaddess
•TheAxisproductsupportsQuickTime6.5.1andlater.
•QuickTimeaddslatencytothevideostream.
•ItmaybepossibletouseotherplayerstoviewtheH.264streamusingthepathsabove,althoughAxisdoesnotguarantee this.
13
AXISM3114-RNetworkCamera
SettingUptheProduct
SettingUptheProduct
TheAxisproductcanbeconguredbyuserswithadministratororoperatorrights.Toopentheproduct’sSetuppages,clickSetupin thetopright-handcorneroftheLiveViewpage.
Administratorshaveunrestrictedaccesstoallsettings.
OperatorshaveaccesstoallsettingsexceptSystemOptions
Seealsotheonlinehelp
.
BasicSetup
BasicSetupprovidesshortcutstothesettingsthatshouldbemadebeforeusingtheAxisproduct:
1.Users.Seepage33.
2.TCP/IP.Seepage35.
3.Date&Time.Seepage34.
4.VideoStream.Seepage15.
TheBasicSetupmenucanbedisabledfromSystemOptions>Security>Users.
14
AXISM3114-RNetworkCamera
Video
Video
ItispossibletocongurethefollowingvideofeaturesinyourAxisproduct:
•Videostream.Seepage15.
•Streamproles.Seepage16.
•Camerasettings.Seepage17.
•Viewarea.Seepage18.
•Overlayimage.Seepage18.
•Privacymask.Seepage19.
VideoStream
YoucandenethefollowingvideostreamsettingsfromVideo>VideoStream:
•Image.Seepage16.
•H.264.Seepage16.
•MJPEG.Seepage16.
PixelCounter
Thepixelcountershowsthenumberofpixelsinanareaoftheimage.Thepixelcounterisusefulinsituationswherethereisa requirementthattheimageisacertainsize,forexampleinfacerecognition.
Thepixelcountercanbeaccessedfrom:
Video>VideoStream.UnderPreview,clickOpenandselecttheShowpixelcounteroptiontoenabletherectangle
intheimage.Usethemousetomoveandresizetherectangle,orenterthenumberofpixelsintheWidthandHeight eldsandclickApply.
15
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