Axis Q6045 User Manual download pdf (Page 34)

AXISQ6045PTZDomeNetworkCamera

Detectors

4.AdjusttheObjectSize,HistoryandSensitivityprolesliders(seeMotionDetectionParametersfordetails).Anydetected

motionwithinanactivewindowisindicatedbyredpeaksintheActivitywindow.

5.ClickSave.

Toexcludepartsoftheincludewindow,selecttheCongureExcludedWindowsandpositiontheexcludewindowwithinthe

includewindow.

Todeleteanincludeorexcludewindow,selectthewindowinthelistofwindowsandclickDel.

MotionDetectionParameters

Theparameterscontrollingmotiondetectionaredescribedinthetablebelow:

Parameter

ObjectSize

History

Sensitivity

Description

Objectsizerelativetowindow

size.

Objectmemorylength.

Differenceinluminance

betweenbackgroundand

object.

Highlevel(100%)

Onlyverylargeobjectstrigger

motiondetection.

Anobjectthatappearsin

thewindowtriggersmotion

detectionforalongtime

beforeitisconsideredas

non-moving.

Ordinarycoloredobjectson

ordinarybackgroundstrigger

motiondetection.

Mediumlevel(50%)

Alargedifferenceinluminance

isrequiredtotriggermotion

detection.

Lowlevel(0%)

Evenverysmallobjectstrigger

motiondetection.

Anobjectthatappearsin

thewindowtriggersmotion

detectiononlyforaveryshort

timebeforeitisconsideredas

non-moving.

Onlyverybrightobjectson

adarkbackgroundtrigger

motiondetection.

Recommendedvalues

5–15%60–90%75–95%

Defaultvalues

15%90%90%

Note

•Totriggeronsmallobjectsormovements,useseveralsmallmotiondetectionwindowsratherthanonelargewindow

andselectalowobjectsize.

•Toavoidtriggeringonsmallobjects,selectahighobjectsize.

•Whilemonitoringanareawheremovingobjectsarenotexpected,selectahighhistorylevel.Thiswillcausemotion

detectiontotriggeraslongastheobjectispresentinthewindow.

•Toonlydetectashinglight,selectalowsensitivity.Inothercaseshighsensitivityisrecommended.

ObjectRemoved

ObjectRemovedisusedtotriggeranalarmifanobject,withinapre-denedareaofinterest,isremoved.ObjectRemovedprovides

toolstodene:

Areaofinterest-Thisisavirtualareathatisdenedaroundanobjecttodetectifthatobjecthasbeenremovedfromthescene.

Objectsize-Denesthesizeoftheobjectsthatshouldbedetected.

Sensitivity-Usethisslidebartodenehowsensitivethedetectionshouldbe.

DrawingOpacity-Usethisslidebartodenehowtransparenttheareaofinterestshapeshouldbe.Notethat,thischangewill

notbesaved.

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Axis Q6045 User Manual Page 34

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