Invention Grant
US09092855B2 Method and apparatus for reducing noise introduced into a digital image by a video compression encoder
有权
用于通过视频压缩编码器降低引入数字图像的噪声的方法和装置
- Patent Title: Method and apparatus for reducing noise introduced into a digital image by a video compression encoder
- Patent Title (中): 用于通过视频压缩编码器降低引入数字图像的噪声的方法和装置
-
Application No.: US14064753Application Date: 2013-10-28
-
Publication No.: US09092855B2Publication Date: 2015-07-28
- Inventor: Sujith Srinivasan , Byas Muni , Sanjay Garg
- Applicant: MARVELL WORLD TRADE LTD.
- Applicant Address: BB
- Assignee: MARVELL WORLD TRADE LTD.
- Current Assignee: MARVELL WORLD TRADE LTD.
- Current Assignee Address: BB
- Main IPC: G06T5/00
- IPC: G06T5/00 ; H04N19/176 ; H04N19/172 ; H04N19/117 ; H04N19/14 ; H04N19/17 ; H04N19/86

Abstract:
Devices, systems, methods, and other embodiments associated with reducing digital image noise are described. In one embodiment, a method includes filtering a digital image with a plurality of adaptive filters, wherein the plurality of adaptive filters include a first filter configured to filter noise surrounding one or more edges in the digital image, and a second filter configured to filter noise caused by a block based encoding of the digital image. The method further includes reducing a compression artifact from selected pixels in the digital image, wherein the compression artifact is reduced by (i) combining an output from the first filter and an output from the second filter in response to the digital image being determined to be blocky, and (ii) not combining the output from the first filter with the output of the second filter in response to the digital image not being determined to be blocky.
Public/Granted literature
- US20140056537A1 REDUCING DIGITAL IMAGE NOISE Public/Granted day:2014-02-27
Information query