Title:
画像処理装置及び方法並びに画像表示装置
Document Type and Number:
Japanese Patent JP4527750
Kind Code:
B2
Abstract:
An image processing apparatus receives n-bit image data, carries out an α-bit bit extension, and outputs (n+α)-bit image data, where n and α are positive integers. The apparatus also performs an epsilon filtering operation that uses the additional gray levels provided by the bit extension to smooth out false edges caused by the bit extension without smoothing out real edges. The output image preserves both the smoothness of regions of gradual change and the sharpness of abrupt changes in the input image.
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Inventors:
Kubo Toshiaki
Satoshi Yamanaka
Satoshi Yamanaka
Application Number:
JP2007142878A
Publication Date:
August 18, 2010
Filing Date:
May 30, 2007
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H04N5/205; G09G3/20; G09G3/36; G09G5/00; H04N1/409
Domestic Patent References:
| JP2006050358A | ||||
| JP2006222479A | ||||
| JP2007096509A | ||||
| JP2005117449A | ||||
| JP8237669A | ||||
| JP10173488A | ||||
| JP2004166266A | ||||
| JP9186993A | ||||
| JP2004147168A | ||||
| JP3297277A |
Attorney, Agent or Firm:
Minoru Maeda
Youichi Yamagata
Youichi Yamagata