Title:
アーチファクト検出方法及びビデオアーチファクト検出器
Document Type and Number:
Japanese Patent JP6533363
Kind Code:
B2
Abstract:
Methods for detecting structured artifacts in a video may begin by accepting a video frame at a video input and then generating a filtered frame from the video frame. After a differenced image is produced, groups of connected pixels (blobs) within the differenced frame are identified, and isolated blobs are removed to produce a cleaned image. A Fourier transform is performed on the cleaned image, and structured artifacts may be identified based on a comparison of magnitudes of the Fourier components of the cleaned image. Devices that detect and identify structured artifacts are also described.
Inventors:
Arvind Nayak
GV Vallaprasad
GV Vallaprasad
Application Number:
JP2013258352A
Publication Date:
June 19, 2019
Filing Date:
December 13, 2013
Export Citation:
Assignee:
TEKTRONIX,INC.
International Classes:
H04N17/00; G06T7/168; G06T7/20
Domestic Patent References:
| JP2004326770A | ||||
| JP2000023954A | ||||
| JP2002033912A |
Attorney, Agent or Firm:
Yamaguchi International Patent Office