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Patent Searching and Data


Title:
COLOR CORRECTION METHOD FOR PANORAMIC IMAGE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/184667
Kind Code:
A1
Abstract:
A color correction method for a panoramic image and an electronic device (100). The method comprises: acquiring a first fisheye image and a second fisheye image; expanding the first fisheye image and the second fisheye image respectively to obtain a first image and a second image in an RGB color space; calculating overlapping areas between the images; converting the first image and the second image from the RGB color space to a Lab color space; in the Lab color space, adjusting the brightness of the first image and the brightness of the second image; converting the first image and the second image from the Lab color space to the RGB color space; according to the mean color value of a first overlapping area and the mean color value of a second overlapping area, adjusting the color value of the second image by using the first image as a reference, or adjusting the color value of the first image by using the second image as a reference. Hence, according to the method, the transition of the panoramic image obtained after stitching is smoother and the panoramic image seems more nature.

Inventors:
YIN CHENGLONG (CN)
Application Number:
PCT/CN2019/077107
Publication Date:
October 03, 2019
Filing Date:
March 06, 2019
Export Citation:
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Assignee:
SHENZHEN ARASHI VISION COMPANY LTD (CN)
International Classes:
G06T3/00
Foreign References:
CN108550106A2018-09-18
CN107403408A2017-11-28
CN106713755A2017-05-24
CN106373091A2017-02-01
CN106713716A2017-05-24
US20180035047A12018-02-01
Other References:
See also references of EP 3779861A4
Attorney, Agent or Firm:
CHINA RANKTOP IP OFFICE (CN)
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