NON-UNIFORMITY CORRECTION DEVICE AND CONTROL METHOD

PROBLEM TO BE SOLVED: To provide a technique for correcting non-uniformity on a screen with high precision by using small hardware resource.SOLUTION: The non-uniformity correction device includes storage means for storing a correction table used for correction processing of non-uniformity on a scree...

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Bibliographische Detailangaben
Hauptverfasser:	MORIKAWA KENICHI, HIYOSHI TAKETO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a technique for correcting non-uniformity on a screen with high precision by using small hardware resource.SOLUTION: The non-uniformity correction device includes storage means for storing a correction table used for correction processing of non-uniformity on a screen, for a plurality of division regions constituting the region on the screen of a display device, and correction means for correcting the image data to be displayed on the display device, by using at least one correction table including the correction table of the division region including a position on the screen out of the correction tables for the division regions stored in the storage means per position on the screen. The size of the division region is set relatively large in the central part of the screen, and set relatively small at the edge of the screen.