IMAGE PROCESSOR

PROBLEM TO BE SOLVED: To provide an image processor displaying image data smoothly even for a part of a liquid crystal panel where a luminance gradation characteristic is not smooth. SOLUTION: The image processor compares a pixel value of an input pixel with each of the pixel values of surrounding p...

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Bibliographische Detailangaben
1. Verfasser:	TANABE MUTSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION 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 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 an image processor displaying image data smoothly even for a part of a liquid crystal panel where a luminance gradation characteristic is not smooth. SOLUTION: The image processor compares a pixel value of an input pixel with each of the pixel values of surrounding pixels, and determines whether the minimum value of differences of the pixel values is a threshold or less. When determining that the minimum value of differences of the pixel value of the input pixel and the pixel values of the surrounding pixels and, thereafter, when the pixel value of the input pixel is smaller than the threshold determined by characteristics of liquid crystal which displays gradation-corrected data, the image processor decides to use dither correction as a gradation correction technique and. When the pixel value of the pixel is larger than the threshold, the image processor decides to use a frame rate control as the gradation correction technique. Therein, the image processor performs the gradation correction technique determined for each pixel to correct the gradation. COPYRIGHT: (C)2010,JPO&INPIT