Title:
ビデオ画像強調方法
Document Type and Number:
Japanese Patent JP6504500
Kind Code:
B2
Abstract:
There is provided is a method for enhancing a video image capable of achieving high image quality improvement for both a texture area and an edge area. A maximum limit value and a minimum limit value of a video signal value enhanced on the basis of a pixel signal value in an area set around the target pixel are calculated, the maximum limit value and the minimum limit value are corrected according to a texture value calculated as a scale value that indicates a variation of the pixel signal value in the corresponding area, and the corrected maximum limit value and minimum limit value are applied to the enhanced video signal value.
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Inventors:
Hideyuki Nakamura
Tadanori Tezuka
Masao Hamada
Takeshi Nakamura
Tadanori Tezuka
Masao Hamada
Takeshi Nakamura
Application Number:
JP2015123148A
Publication Date:
April 24, 2019
Filing Date:
June 18, 2015
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H04N5/208; G06T5/00
Domestic Patent References:
| JP2012249079A | ||||
| JP2010212782A |
Attorney, Agent or Firm:
Patent business corporation Oshima patent office