Invention Grant
- Patent Title: Systems and methods for video denoising
- Patent Title (中): 视频去噪的系统和方法
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Application No.: US13739976Application Date: 2013-01-11
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Publication No.: US09124869B2Publication Date: 2015-09-01
- Inventor: Dong-Qing Zhang , Bo Wang , Hong Heather Yu
- Applicant: Futurewei Technologies, Inc.
- Applicant Address: US TX Plano
- Assignee: Futurewei Technologies, Inc.
- Current Assignee: Futurewei Technologies, Inc.
- Current Assignee Address: US TX Plano
- Agency: Futurewei Technologies, Inc.
- Main IPC: H04N11/02
- IPC: H04N11/02 ; H04N19/55 ; H04N19/80

Abstract:
A method for video denoising, the method includes extracting a current pixel from a current video frame and n−1 pixels from respective n−1 previous video frames to form an n-point pixel data set, wherein the current pixel has an initial value; temporally filtering the current pixel using the n-point pixel data set to generate a temporal estimated true value for the pixel; estimating a quantity of outliers in the n-point pixel data set; if the quantity of outliers is greater than or equal to a threshold, spatially filtering the current pixel using neighboring pixels in the current video frame to generate an spatial estimated true value for the pixel, and using the spatial estimated true value for the pixel as a final estimated value for the pixel; if the quantity of outliers is less than the threshold, using the temporal estimated true value for the pixel as the final estimated value for the pixel.
Public/Granted literature
- US20130177085A1 Systems and Methods for Video Denoising Public/Granted day:2013-07-11
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