User's Manual


Projecting an Image from an Angle (Geometric Correction
Tool in Image Express Utility Lite)
4HE'EOMETRIC#ORRECTION4OOL '#4FUNCTIONALLOWSYOUTO CORRECT DISTORTION OF IMAGESPROJECTED EVENFROM AN
ANGLE
What you can do with GCT
s 4HE'#4FEATUREINCLUDESTHEFOLLOWINGTHREEFUNCTIONS
s POINT#ORRECTION9OUCANlTAPROJECTEDIMAGEWITHINTHEBORDEROFTHESCREENEASILYBYALIGNTHEFOURCORNERS
OFANIMAGETOTHEONESOFTHESCREEN
s -ULTIPOINT#ORRECTION9OUCANCORRECTADISTORTEDIMAGEONTHECORNEROFAWALLORIRREGULARSHAPEDSCREEN
BYUSINGMANYSEPARATEDSCREENSTOCORRECTTHEIMAGEASWELLASPOINT#ORRECTION
s Parameters Correction:9OUCANCORRECTADISTORTEDIMAGEBYUSINGACOMBINATIONOFTRANSFORMATIONALRULES
PREPAREDINADVANCE
4HISSECTIONWILLSHOWANEXAMPLEFORUSEWITHPOINT#ORRECTION
&ORINFORMATIONABOUTh-ULTIPOINT#ORRECTIONvANDh0ARAMETERS#ORRECTIONvSEETHEHELPFILEOF)MAGE%XPRESS
5TILITY,ITE
s 9OURCORRECTIONDATACANBESTOREDINTHEPROJECTORORYOURCOMPUTERWHICHCANBERESTOREDWHENNECESSARY
s 4HE'#4FUNCTIONISAVAILABLEWITHA53"CABLEWIREDORWIRELESS,!.CONNECTIONANDVIDEOCABLE
Projecting an Image from an Angle (GCT)
4HISSECTIONWILLSHOWANEXAMPLEFORUSEWITH53"$ISPLAYUSINGA53"CABLETOCONNECTACOMPUTERANDTHEPRO-
JECTOR
s 4HE53"$ISPLAYFUNCTIONWILLAUTOMATICALLYDISPLAYTHECONTROLWINDOW
s
&ORAVIDEOCABLEOR,!.CONNECTIONINSTALLANDSTART)MAGE%XPRESS5TILITY,ITEINYOURCOMPUTERBEFOREHAND
0REPARATION!DJUSTTHEPROJECTORPOSITIONORTHEZOOMSOTHATTHEPROJECTEDIMAGECANCOVERTHEWHOLESCREENAREA
 #LICKTHEh
v0ICTUREICONANDTHENTHEh vBUTTON
4HEhPOINT#ORRECTIONvWINDOWWILLBEDISPLAYED
 #LICKTHEh3TART#ORRECTIONvBUTTONANDTHENh3TARTPOINT#ORRECTIONvBUTTON
A green frame and a mouse pointer (
) will be displayed.
s &OUR;$=MARKSWILLBEAPPEAREDATFOURCORNERSOFTHEGREENFRAME