Invention Grant
US08295636B2 Gradation converting device, gradation converting method, and computer program
失效
渐变转换装置，灰度转换方法和计算机程序
- Patent Title: Gradation converting device, gradation converting method, and computer program
- Patent Title (中): 渐变转换装置，灰度转换方法和计算机程序
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Application No.: US12322297Application Date: 2009-01-30
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Publication No.: US08295636B2Publication Date: 2012-10-23
- Inventor: Makoto Tsukamoto , Jun Hirai , Ayataka Nishio , Naomasa Takahashi
- Applicant: Makoto Tsukamoto , Jun Hirai , Ayataka Nishio , Naomasa Takahashi
- Applicant Address: JP
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: JPP2008-022711 20080201
- Main IPC: G06K9/36
- IPC: G06K9/36
Abstract:
A gradation converting device that converts gradation of an image includes: a dither unit that applies dither to the image by adding random noise to a pixel value forming the image; and a one-dimensional ΔΣ modulation unit that applies one-dimensional ΔΣ modulation to the image applied with the dither.
Public/Granted literature
- US20090196525A1 Gradation converting device, gradation converting method, and computer program Public/Granted day:2009-08-06
Information query
