Rangevision NEO Use and care manual

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RANGEVISION
Setupandcalibration
NEO 
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Contents
Introduction 3
Technicalspecifications 4
Systemrequirements 4
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Preparingforwork
Packagecontents 5
Installingsoftwareanddrivers 6
Settingupwithcomputerforworkwiththescanner 
Connectingprojector 7
Configuringcomputerparameters 8
Scannerassembly 9
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Calibratingthescanner
Calibrationplate 10
Fullcalibration 11
Fastcalibration 13
Automaticcalibration 14
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 
2

Introduction
ThankyouforchoosingRаngeVisiоnNEO3Dscanner!
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PleasereadthismanualbeforeusingRangeVision3Dscanner.Hereare described the
procedures for preparing the scanner, installing the required drivers, calibration
procedure, scanning procedure,andtipsforacquiring high-quality three-dimensional
object model.
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Informationmaybeamendedfromtimetotime.Thesechangeswillbe inserted into the
new versionsofthemanual,orintheadditionaldocumentsandpublications.
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3

Technicalspecifications
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Systemrequirements
●operatingsystem-Windows7/8/1064bit,
●processor-IntelCorei3/i51.8GHzandbetter,
●graphicscardwithHDMIoutput,
●RAM-Notlessthan8GB,
●2USB-ports.
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4
Model
NEO
Cameraresolution
2Mpix
Diagonalofthematrix
1/3”
Texturescanning
yes
FOV
300х240х240mm
3Dpointaccuracy
0.06mm
3Dresolution
0.18mm
Workingdistance
45cm

Preparingforwork
Packagecontents
RangeVision NEO 3D scanner is supplied in a protective hard road case.
FOV is represented by a calibration plate and a stand for the calibration plate, which
are used to calibrate the scanner.
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
5
№
Name
qty.
1
Scanning module:
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Mounting structure with projector
1
Cable kit for PC connection (USB + HDMI)
1
2
Tripod
1
3
Calibration plate
2
4
Stand for the calibration plate
1
5
Turntable
1
6
Power adapter for the turntable
1
7
Usb cable for the turntable
1

Installing software and drivers
GettheRаngeVisiоnsoftware(equippedwiththescanner)andruntheinstaller
RаngeVisiоnSсаnCentersetup.
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Following the prompts, select the desired language, type and path for installation.
After the files have been copied install drivers and graphics libraries, necessary for
the correct operation of RangeVision 3D scanner.
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IfyouhaveaccesstotheInternetRangeVisionScanCenterNGwillautomatically
notifyyouwhenupdatesareavailable.Youcancheckforupdatesmanuallyby
clickingAbout→CheckforUpdates
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6

Setting up your computer for work with the scanner
ForthecorrectoperationofRаngevisiоn3Dscanneryouwillneedtosetupyour
computer. Thisprocedureisperformedoncebeforethefirstuseofthescanner.
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Connectingprojector
First, connect the USB to power up the projector and then connect it to the HDMI-port of
your video card. After connecting the projector, it should be displayed in the system. If
the computer has several video outputs, define the one to be used.
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
1. Right click on the desktop, select Screen resolution.
2. Make sure that the projector has been successfully recognized by the system
and that both connected screens are displayed.
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7

Configuring computer parameters
Toavoidarecurrenceoftheproblemsduringthescanneroperation,youmustturn
offthescreensaverandsleepmode.
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Go toScreen Saver Settings menu and turn off the screen saver, disable turning off the
display and putting the computer in sleep mode.
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8

Scannerassembly:
1. Installthescanningmoduleontothetripod.
2. ConnectUSBcabletoyourPC.
3. ConnectHDMIcabletoyourPC.
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4. When using the turntable, connect it to the power source, then connect the USB
cable to your PC and turn the table on using the power switch.
 
9

Calibratingthescanner
Youneedtoperformcalibrationinordertoensuretheworkofthescannerafter the
adjustment of lenses.Specificallyforthispurposeweusethecalibration plate, which is
pre-measured withhighaccuracy.Scanningsoftwareanalyzestheimage of the plate,
obtained from thecamerasandcomparesitwiththemathematical model, marked by
the algorithm.
Thereare3typesofcalibration:Fullcalibration,automaticcalibration, fast calibration
(orientation) and Calibration ofturntable(findingthetableaxis).

Full and automatic calibrations are used:
●before work with the scanner,
●after transporting the scanner.

Fast calibration is used:
●if you suspect that the camera moved due to unreliable mounting,
●if you want to check the accuracy of performed calibration.

Calibration of rotary table is performed:
●in case of any change in the position of the rotary table to the scanner
(when scanning on the turntable).

Calibration of rotary table is described in the Scanning on the turntable section.
Calibrationplate
Calibration plate is a special plate with markers, the distance between which is
measured with high accuracy. It is used for setting up a scanner and its calibration.
 
10

Fullcalibration
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The full calibration dialogue can be accessed from Calibration → Calibrate menu.

Calibration procedure:

1. In the drop-down list choose the correct calibration plate size, specified on the
back side of the plate, or add a new one.

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Itispossiblethatcameraimagesinthesoftwarewillbeswappedorflipped from
the start. Inthiscase,gotoHardwaresettings->Camerasmenuand use Rotate
and Swap cameras buttonstosettheimagesinproperpositions.
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11

2. Inaccordancewiththetextpromptandsymbolimageinstallthe calibration plate
in thedesiredposition. The brightness of the images of calibration plate can be
adjusted with exposureslider. Youshould not allow very dark images or images
with excessive brightnessareas. Press the Capture button. Original plate position -
the position atthe working distance from the scanner (marking on the view from
cameras matches the markers on the  plate), the cross is projected on the central
marker.
3. Iftheplateplacementisincorrect,anerrormessagewillappear. Correct the
placement andrepeatthestep.


In case if not all marks are found on the image, you will also see the error
message. It may mean the following:

●not all markers are visible on one of the snapshots,
●not all markers are lit by the projector,
●calibration plate is placed at large angle to the scanner,
●plate is too close or too far from the scanner - the image is not sharp,
●the plate is damaged or dirty.

Correct all deficiencies and press Capture.
 
12

Afterallthenecessarysnapshotsaretaken,calibrationmodulewillstart automatically.
Resulting accuracyofcalibrationisspecifiedinpixels.Agoodresult is accuracy no
worse (not higher) than 0.2pix.Ifyougetahighervalue,repeat the calibration, carefully
making sure thattheplateissharp,brightand correctly positioned.
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Someadviceoncalibration:
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●donotchangethedistancefromthecenteroftheplatetothescannerwhen
turningtheplate.Theexceptionareonlysnapshotsinpositions10and11,
●donotrotatetheplateataveryhighangle.Ensurethatallmarksontheplateare
visiblefrombothcameras,whenyouturnthetable,
●becarefulwithcalibrationplates!Itisnotpermittedtocontaminateorperform
anymechanicaldamagetothesurfacewiththemarks.Aftertheusestorethe
platesindesignatedcase,
●beforethecalibrationprocedureensurethatcamerasandcablesaresecurein
thedesignatedposition.
Fastcalibration(orientation)
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13

Theorientationcanbestartedfromthe Calibration
window on the Start screen.
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●placethecalibrationplateat the working
distance tothescanner (the first calibration
position),
●presstheCapturebutton,
●next,followingthesteps,maketwo more
shots.
●afterthistheaccuracyof orientation will be
shown. It should be approximately equal to the
accuracy valueofthelastcalibration.
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Iftheaccuracyduringorientingstartstobe very differentfromtheoriginalone,youneed
tore-calibratetheequipment.
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Example:Theinitialaccuracyis0.084,accuracyafterorientationis0.25.Thevalue
exceeded0.2,re-calibrationisrequired.
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Automaticcalibration
TheautomaticcalibrationcanbestartedfromtheCalibrationwindowon the Start
screen, butitisonlyaccessiblewhenturntableisconnected and recognized by the
software.
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Automaticcalibrationservesthesamepurposeasfullcalibration,butit is easier to
perform, because itusesturntabletoshiftthecalibration plate betweenpositions.
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14

WEEE Statement
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The following information is only for EU-members States: The
mark shown to the right is in compliance with Waste Electrical
and Electronic Equipment Directive 2002/96/EC (WEEE).
The mark indicates the requirement NOT to dispose the
equipment as unsorted municipal waste, but use the return
and collection systems according to local law.
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RangeVision, 2020
15