Analysis and design of visual secret sharing scheme for gray image
Existing gray visual secret sharing (GVSS) convert the original image into black-white binary image for processing,which causes the pixel information loss problem.For this purpose,a kind of GVSS based on gray superposition was proposed.For each gray-scale pixel,the corresponding encoding matrix was...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
POSTS&TELECOM PRESS Co., LTD
2020-08-01
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| Series: | 网络与信息安全学报 |
| Subjects: | |
| Online Access: | http://www.cjnis.com.cn/thesisDetails#10.11959/j.issn.2096-109x.2020049 |
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