Adaptive character image generation and synthesis

Details Adaptive character image generation and synthesis Adaptive character image generation and synthesis

1996-01-02

2000-05-30

Au, Amelia

Image analysis

Image enhancement or restoration

Edge or contour enhancement

382250, 382284, 382298, G06K 940

Patent

active

060699809

ABSTRACT:
The present invention performs coding with little deterioration in the image quality of a character image when block coding is performed by synthesizing the character image on an image. To achieve this object, an image processing apparatus of this invention includes a generating unit for generating character image data, an image synthesizing unit for synthesizing the character image data and another image data, and a coding unit for block-coding the image data synthesized by the synthesizing unit. In generating the character image data by the generating unit, a size of a unit pixel for forming character image data is a fraction of an even number or an integer multiple of a block size to be block-coded by the coding unit. The synthesizing unit synthesizes the image data such that each unit pixel does not cross a plurality of blocks.

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patent: 5517327 (1996-05-01), Nakatani et al.
patent: 5801846 (1998-09-01), Nobuta

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