Title:
IMAGE WATERMARKING METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/087864
Kind Code:
A1
Abstract:
An image watermarking method and device. The method comprises: acquiring an image to be processed, and performing format conversion on said image to obtain pixel format data. The pixel format data comprises luminance component data, blue chrominance component data, and red chrominance component data. The method further comprises: acquiring watermark information, and converting the watermark information into a bit sequence. The method further comprises: modifying luminance component data of each target pixel point in said image on the basis of the value of each bit in the bit sequence to obtain target luminance component data. The target pixel point is used for bearing the value of a corresponding bit in the bit sequence, and the target pixel points are arranged in an array. The method further comprises: combining the target luminance component data with blue chrominance component data and red chrominance component data corresponding to said image to obtain a target image, the target image being an image corresponding to said image and added with the watermark information.
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Inventors:
LIAN YIHAN (CN)
LIN HAO (CN)
SU XIAODONG (CN)
LUO WEIQI (CN)
GUO FUBO (CN)
GUO FENG (CN)
LI MINGLEI (CN)
LIN HAO (CN)
SU XIAODONG (CN)
LUO WEIQI (CN)
GUO FUBO (CN)
GUO FENG (CN)
LI MINGLEI (CN)
Application Number:
PCT/CN2023/115299
Publication Date:
May 02, 2024
Filing Date:
August 28, 2023
Export Citation:
Assignee:
DOUYIN VISION CO LTD (CN)
UNIV SUN YAT SEN (CN)
UNIV SUN YAT SEN (CN)
International Classes:
H04N1/387; G06T1/00
Domestic Patent References:
| WO2020244474A1 | 2020-12-10 |
Foreign References:
| JP2008067233A | 2008-03-21 | |||
| US20130259294A1 | 2013-10-03 | |||
| KR20030094498A | 2003-12-12 | |||
| US20200404309A1 | 2020-12-24 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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