Title:
METHOD AND APPARATUS FOR SUPPRESSING IMAGE PSEUDO-COLOUR
Document Type and Number:
WIPO Patent Application WO/2019/196109
Kind Code:
A1
Abstract:
Provided are a method and an apparatus for suppressing image pseudo-colour, for use in the technical field of image processing, comprising: by means of acquiring an original image and implementing colour filter array interpolation on the original image to obtain an interpolated image, determining a pseudo-colour type of a pseudo-colour image in the interpolated image; on the basis of the pseudo-colour type, an original component of the original image, an interpolation component of the interpolated image, and a preset image pseudo-colour suppression policy, determining a target component at the pixel points in the pseudo-colour image, and finally obtaining a pseudo-colour suppressed image on the basis of the target component. The difference between an original component value and the component value after interpolation in the vicinity of a central pixel point is calculated by means of the original image data before interpolation and the image data after interpolation, and the pseudo-colour mode is determined; on this basis, the component values in the original image are re-estimated and, by means of re-estimating the spatial correlation after interpolation, the regional pseudo-colour and pseudo-colour direction error caused by inaccurate direction estimation during interpolation are suppressed, reducing the distortion of the image.
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Inventors:
ZHANG DAFEI (CN)
DENG BAOHUA (CN)
YUAN TIAN (CN)
LIU WENTAO (CN)
DENG BAOHUA (CN)
YUAN TIAN (CN)
LIU WENTAO (CN)
Application Number:
PCT/CN2018/083035
Publication Date:
October 17, 2019
Filing Date:
April 13, 2018
Export Citation:
Assignee:
STREAMAX TECH CO LTD (CN)
International Classes:
H04N9/64; G06T5/00
Foreign References:
CN106303483A | 2017-01-04 | |||
CN106507066A | 2017-03-15 | |||
CN102665030A | 2012-09-12 | |||
CN101399996A | 2009-04-01 | |||
US20110158512A1 | 2011-06-30 |
Attorney, Agent or Firm:
SHENZHEN ZHONGYI PATENT AND TRADEMARK OFFICE (CN)
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