{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T18:58:04Z","timestamp":1769713084180,"version":"3.49.0"},"reference-count":20,"publisher":"SAGE Publications","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IFS"],"published-print":{"date-parts":[[2023,7,2]]},"abstract":"<jats:p>In order to improve the accuracy and security of encrypted holographic 3D geographic information data acquisition and improve the actual resolution of geographic information files, a blind watermarking algorithm for encrypted holographic 3D geographic information data based on mapping mechanism is proposed. According to the characteristics of the mapping mechanism, a mapping mechanism structure diagram is constructed; Under the mapping mechanism technology, blind watermark data is preprocessed. Then, a watermark embedding operation is performed to obtain the watermark information image, and then a blind watermark that encrypts the holographic three-dimensional geographic information data is extracted. Finally, using the blind watermark signal as input, the blind watermark information is obtained by using the watermark strength, and the holographic 3D geographic data information is segmented and encrypted to complete blind watermark detection. The blind watermark algorithm for encrypting the holographic 3D geographic information data is studied. The results show that the maximum difference between the correlation coefficient of the algorithm in this paper and the correlation coefficient of the unaffected algorithm is only 0.04, which has better anti attack performance, high security, good terrain information collection ability, high data accuracy, and can achieve curvature repair of information data.<\/jats:p>","DOI":"10.3233\/jifs-230064","type":"journal-article","created":{"date-parts":[[2023,5,23]],"date-time":"2023-05-23T12:21:59Z","timestamp":1684844519000},"page":"1527-1537","source":"Crossref","is-referenced-by-count":0,"title":["Research on blind watermarking algorithm of encrypted holographic 3d geographic information data based on mapping mechanism"],"prefix":"10.1177","volume":"45","author":[{"given":"Haiyan","family":"Xu","sequence":"first","affiliation":[{"name":"Zhejiang College of Security Technology, Wenzhou Zhejiang, 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