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US08849057B2 Methods for digital image sharpening with noise amplification avoidance 有权
数字图像锐化与噪声放大避免的方法

  • Patent Title: Methods for digital image sharpening with noise amplification avoidance
  • Patent Title (中): 数字图像锐化与噪声放大避免的方法
  • Application No.: US13465694
    Application Date: 2012-05-07
  • Publication No.: US08849057B2
    Publication Date: 2014-09-30
  • Inventor: Rastislav Lukac
  • Applicant: Rastislav Lukac
  • Applicant Address: US CA Santa Clara
  • Assignee: Foveon, Inc.
  • Current Assignee: Foveon, Inc.
  • Current Assignee Address: US CA Santa Clara
  • Agency: The Webb Law Firm
  • Main IPC: G06K9/40
  • IPC: G06K9/40 ;  G06T5/00
Methods for digital image sharpening with noise amplification avoidance
Abstract:
A method for sharpening an original digital image includes generating a smoothed image from the original image. A residual image is generated from the smoothed image and the original image. A sharpened smoothed image is generated. The residual image and the sharpened smoothed image are combined to produce a sharpened version of the original image.
Abstract(Chinese):

用于锐化原始数字图像的方法包括从原始图像生成平滑图像。 从平滑图像和原始图像生成残差图像。 产生锐化的平滑图像。 剩余图像和锐化的平滑图像被组合以产生原始图像的锐化版本。

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