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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Current Result Document : 13 / 13

ÇѱÛÁ¦¸ñ(Korean Title) ÀÇ·á ¿µ»ó º¸¾ÈÀ» À§ÇÑ ±âÇÏÇÐÀû º¯Çü¿¡ °ß°íÇÑ ¿öÅ͸¶Å· ¾Ë°í¸®Áò ¼³°è
¿µ¹®Á¦¸ñ(English Title) Design of robust Watermarking Algorithm against the Geometric Transformation for Medical Image Security
ÀúÀÚ(Author) ÀÌÀ±¹è   ¿À±ÙŹ   Yun-Bae Lee   Guan-Tack Oh  
¿ø¹®¼ö·Ïó(Citation) VOL 13 NO. 12 PP. 2586 ~ 2594 (2009. 12)
Çѱ۳»¿ë
(Korean Abstract)
µðÁöÅÐ ¿öÅ͸¶Å© ±â¹ýÀº ÁöÀû âÀÛ¹°(À½¾Ç, ¿µ»ó, µ¿¿µ»ó)¿¡ ´ëÇÑ ÀúÀ۱ǰú Àç»ê±ÇÀÇ º¸È£ ¹× ÀÎÁõ, µ¥ÀÌÅÍ ¼Õ½Ç ¿©ºÎ ÆÇ´Ü, º¹»ç ¹æÁö ¹× ÃßÀû µîÀ» ¸ñÀûÀ¸·Î ÇÑ »çÈÄ Àç»ê±ÇÀÇ º¸È£ ±â¼ú·Î Á¦¾ÈµÇ¾ú´Ù. º» ¿¬±¸¿¡¼­´Â ¿öÅ͸¶Å©ÀÇ ±âÇÏÇÐÀûÀÎ ¿Ö°î¿¡ ´ëÇÑ °ø°Ý¿¡ °ß°íÇÏ°Ô Çϵµ·Ï ¿µ»óÀÇ Àü ó¸® °úÁ¤À» °ÅÄ£ ÈÄ ¼±ÅÃµÈ ±âÇÏÇÐÀûÀÎ ºÒº¯Á¡À» °ñ¶ó ±× Á¡À» Áß½ÉÀ¸·Î ¿öÅ͸¶Å©¸¦ »ðÀÔÇÏ¿© ÃßÃâÇÑ´Ù. ƯÈ÷ ÀÇ·á ¿µ»óÀÇ º´º¯ °üÂûÀ» À§ÇØ ¹ß»ýµÈ RST(Rotation Scale, Translation) º¯È¯ ¹× ¿©·¯ °¡Áö ¿µ»ó󸮿¡ °­ÀÎÇϸç ÀÏÁ¤ ±â°£ ¾ÐÃà ÀúÀåµÇ´Â ¿µ»ó¿¡¼­µµ ¿öÅ͸¶Å·ÀÌ À¯ÁöµÇµµ·Ï ¿öÅͽ¦µå(watershed) ºÐÇÒ ¹æ¹ýÀ» ÅëÇÑ °ß°íÇÑ ¿öÅÍ ¸¶Å· ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÏ¿´´Ù. À̸¦ ÅëÇØ º» ³í¹®¿¡¼­ Á¦¾ÈÇÑ ¿öÅ͸¶Å· ¾Ë°í¸®ÁòÀº ÀÇ·á ¿µ»ó¿¡ ´ëÇÑ JPEG ¾ÐÃà °ø°Ý, RST °ø°Ý, ±×¸®°í ÇÊÅ͸µ °ø°Ýº¸´Ù °­ÀÎÇÔÀ» È®ÀÎÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
A digital watermarking technique used as a protection and certifying mechanism of copyrighted creations including music, still images, and videos in terms of finding any loss in data, reproduction and pursuit. This study suggests using a selected geometric invariant point through the whole processing procedure of an image and inserting and extracting based on the invariant point so that it will be robust in a geometric transformation attack. The introduced algorithm here is based on a watershed splitting method in order to make medical images strong against RST(Rotation Scale, Translation) transformation and other processing. It also helps to maintain the watermark in images that are compressed and stored for a period of time. This algorithm also proved that is has robustness against not only JPEG compression attack , but also RST attack and filtering attack.
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Å°¿öµå(Keyword) RST   PACS   DICOM   ¿öÅ͸¶Å·   ¿öÅͽ¦µå   ¿þÀÌºí¸´ º¯È¯   RST   PACS   DICOM   PET   Watermarking   Watershed   Wavelet transformation  
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