175
8. User Supportware
Projecting an Image from an Angle (Geometric Correction Tool
in Image Express Utility Lite)
4HE'EOMETRIC#ORRECTION4OOL'#4 FUNCTIONALLOWSYOUTOCORRECTDISTORTIONOFIMAGESPROJECTEDEVENFROMAN
ANGLE
What you can do with GCT
s 4HE'#4FEATUREINCLUDESTHEFOLLOWINGTHREEFUNCTIONS
s
POINT#ORRECTION
9OUCANlTAPROJECTEDIMAGEWITHINTHEBORDEROFTHESCREENEASILYBYALIGNTHEFOURCORNERS
OFANIMAGETOTHEONESOFTHESCREEN
s
Multi-point Correction:
9OUCANCORRECTADISTORTEDIMAGEONTHECORNEROFAWALLORIRREGULARSHAPEDSCREEN
BYUSINGMANYSEPARATEDSCREENSTOCORRECTTHEIMAGEASWELLASPOINT#ORRECTION
s
Parameters Correction:
9OUCANCORRECTADISTORTEDIMAGEBYUSINGACOMBINATIONOFTRANSFORMATIONALRULES
PREPAREDINADVANCE
4HISSECTIONWILLSHOWANEXAMPLEFORUSEWITHPOINT#ORRECTION
&ORINFORMATIONABOUTh-ULTIPOINT#ORRECTIONvANDh0ARAMETERS#ORRECTIONvSEETHEHELPlLEOF)MAGE%XPRESS
5TILITY,ITE
m
PAGE
171
s 9OURCORRECTIONDATACANBESTOREDINTHEPROJECTORORYOURCOMPUTERWHICHCANBERESTOREDWHENNECESSARY
s 'EOMETRICCORRECTIONCANBEUSEDWHENCONNECTEDTOTHENETWORKBYWIREDORWIRELESS,!. ORBYVIDEOCABLE
0REPARATION!DJUSTTHEPROJECTORPOSITIONORTHEZOOMSOTHATTHEPROJECTEDIMAGECANCOVERTHEWHOLESCREENAREA
#LICKTHEh
v0ICTURE ICONANDTHENTHEh
vBUTTON
The “4-point Correction” window will be displayed.
#LICKTHEh3TART#ORRECTIONvBUTTONANDTHENh3TARTPOINT#ORRECTIONvBUTTON
A green frame and a mouse pointer ( ) will be displayed.
s &OUR;
$
] marks will be appeared at four corners of the green frame