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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2019³â Ãá°èÇмú´ëȸ

2019³â Ãá°èÇмú´ëȸ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) Á¦ÀÛ È¯°æÀ» °í·ÁÇÑ VR ¿µ»óÀÇ ¿öÅ͸¶Å· ¹æ¹ý
¿µ¹®Á¦¸ñ(English Title) VR Image Watermarking Method Considering Production Environments
ÀúÀÚ(Author) ¹®¿øÁØ   ¼­¿µÈ£   ±èµ¿¿í   Won-jun Moon   Young-ho Seo   Dong-wook Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 23 NO. 01 PP. 0561 ~ 0563 (2019. 05)
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(Korean Abstract)
º» ³í¹®Àº °¡»óÇö½Ç ±â¼ú¿¡¼­ »ç¿ëµÇ´Â ¿µ»óÀÇ ÀúÀÛ±Ç º¸È£¸¦ À§ÇÑ ¿öÅ͸¶Å· ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. »ðÀÔ ¹æ¹ýÀº SIFT Ư¡Á¡À» ÅëÇØ »ðÀÔÇÒ À§Ä¡¸¦ ã°í, ±× ÁÖº¯ ¿µ¿ª¿¡ ÀÌ»ê ¿þÀÌºí¸´ º¯È¯°ú QIMÀ» ¼öÇàÇÏ¿© ¿öÅ͸¶Å©¸¦ »ðÀÔÇÑ´Ù. ¿öÅ͸¶Å© ÃßÃâ ´ë»óÀº Åõ¿µ ¿µ»óÀ̸ç, ¹æ¹ýÀº SIFT Ư¡Á¡À» ÅëÇØ ÃßÃâÇÒ À§Ä¡¸¦ ã°í, ±× ÁÖº¯ ¿µ¿ªÀ» VR ¿µ»ó Á¦ÀÛ°úÁ¤¿¡¼­ »ý±â´Â Á¤ÇÕ°ú Åõ¿µÀ» °í·ÁÇÏ¿© ¿ª °úÁ¤À» ÅëÇØ º¸Á¤ ÈÄ ÃßÃâÇÑ´Ù. ÃßÃâÇÑ ¿öÅ͸¶Å©¿Í »ðÀÔ ¿öÅ͸¶Å©¿ÍÀÇ NCC¿Í BER ºñ±³¸¦ ÅëÇØ ÀÓ°è°ª ÀÌ»óÀ» °¡Áö´Â ¿öÅ͸¶Å©¸¦ ´©ÀûÇÏ¿© ÃÖÁ¾ ¿öÅ͸¶Å©¸¦ È®Á¤ÇÑ´Ù. ÀÌ¿¡ ´ëÇØ Åë»óÀûÀÎ ¹æ¹ý°úÀÇ ºñ±³¸¦ ÅëÇØ À¯È¿ÇÔÀ» È®ÀÎÇÑ´Ù.
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(English Abstract)
This paper proposes a watermarking method for copyright protection of images used in VR. The Embedding method is that finds the point through the SIFT feature points, inserts the watermark by using DWT and QIM on the surrounding area. The objective image to extract the embedded watermark is the projected image and its method finds the SIFT feature points and extracts watermark data from its surrounding areas after correction by using inverse process of matching and projection in the VR image production process. By comparing the NCC and BER between the extracted watermark and the inserted watermark, the watermark is determined by accumulating the watermark having a threshold value or more. This is confirmed by comparing with a conventional method.
Å°¿öµå(Keyword) virtual reality   equi-rectangular projection   watermark   SIFT   Geometrical correction  
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