IMAGE PROCESSING APPARATUS, CONTROL METHOD OF THE SAME, AND PROGRAM

To provide a mechanism for obtaining uniform character proportions by realizing pseudo high resolution processing with an inexpensive configuration without degrading image quality even in low-resolution engine image forming devices.SOLUTION: The image processing apparatus executes dither processing...

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1. Verfasser:	SANO SHINJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CALCULATING COMPUTING CORRECTION OF TYPOGRAPHICAL ERRORS COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME IMAGE DATA PROCESSING OR GENERATION, IN GENERAL LINING MACHINES PERFORMING OPERATIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	To provide a mechanism for obtaining uniform character proportions by realizing pseudo high resolution processing with an inexpensive configuration without degrading image quality even in low-resolution engine image forming devices.SOLUTION: The image processing apparatus executes dither processing for binarizing an input multi-valued image and filter processing for multi-leveling the dithered image. Further, the image processing apparatus executes a thinning process on the image after the filter processing and error diffusion processing for binarizing the thinned image.SELECTED DRAWING: Figure 2 【課題】低解像度エンジンの画像形成装置においても、安価な構成で疑似高解像度処理を実現して画質を劣化させることなく文字のプロポーションの均一性を得る仕組みを提供する。【解決手段】本画像処理装置は、入力された多値画像を二値化するディザ処理を実行し、ディザ処理後の画像を多値化するフィルタ処理を実行する。さらに、本画像処理装置は、フィルタ処理後の画像に間引き処理を実行し、間引き処理後の画像を二値化する誤差拡散処理を実行する。【選択図】図２