ÇѱÛÁ¦¸ñ(Korean Title) |
µðÁöÅÐ ÀúÀÛ±Ç °ü¸®¸¦ À§ÇÑ È¿À²ÀûÀÎ H.264/AVC ºñµð¿À ½ºÅ©·¥ºí¸µ ¹æ¹ý |
¿µ¹®Á¦¸ñ(English Title) |
Efficient H.264/AVC Video Scrambling Methods for Digital Rights Management |
ÀúÀÚ(Author) |
±è¼öÁø
¹Ú ±Õ
Á¶°æ¼ø
Soojin Kim
Geun Park
Kyeongsoon Cho
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¿ø¹®¼ö·Ïó(Citation) |
VOL 01 NO. 03 PP. 0187 ~ 0192 (2012. 12) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®Àº µðÁöÅÐ ÀúÀÛ±Ç °ü¸®¸¦ À§ÇÑ È¿À²ÀûÀÎ H.264/AVC ºñµð¿À ½ºÅ©·¥ºí¸µ ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈÇÏ´Â ¹æ¹ýÀº H.264 µ¿¿µ»ó ¾ÐÃà ¹æ¹ý¿¡¼ ¿£Æ®·ÎÇÇ ºÎȣȿ¡¼ »ç¿ëµÇ´Â ·¹º§ ¹× suffix¿Í ¿òÁ÷ÀÓ ¿¹Ãø¿¡¼ »ç¿ëµÇ´Â MVD¿¡ ½ºÅ©·¥ºí¸µ ¹æ¹ýÀ» Àû¿ëÇÏ´Â °ÍÀÌ´Ù. ´Ù¸¥ ³í¹®µé¿¡¼ Á¦¾ÈµÈ ¹æ¹ýµéÀº µ¥ÀÌÅÍÀÇ ¾ÐÃà È¿À²À» °¨¼Ò½ÃÅ°°Å³ª ¸¹Àº ¿¬»ê·®À¸·Î ÀÎÇØ ½Ç½Ã°£ 󸮰¡ ºÒ°¡´ÉÇÏ´Ù´Â ¹®Á¦Á¡ÀÌ ÀÖ´Ù. º» ³í¹®¿¡¼ Á¦¾ÈÇÏ´Â ½ºÅ©·¥ºí¸µ/µð½ºÅ©·¥ºí¸µ ¹æ¹ýÀº ´Ù¸¥ ³í¹®¿¡¼ Á¦¾ÈÇÑ ¹æ½ÄµéÀÇ ¹®Á¦Á¡À» °³¼±½ÃÄÑ º¹¿øµÈ ¿µ»ó¿¡ ¿Ö°îÀ» ÀÏÀ¸Å°Áö ¾ÊÀ» »Ó¸¸ ¾Æ´Ï¶ó ¾ÐÃà È¿À²À» ¿ø·¡ÀÇ ¾ÐÃà ¹æ¹ý ±×´ë·Î À¯ÁöÇÑ´Ù. H.264 ·¹ÆÛ·±½º ÇÁ·Î±×·¥À» ÀÌ¿ëÇÑ ½ÇÇèÀ» ÅëÇØ Á¦¾ÈÇÏ´Â ¹æ¹ýÀÇ ¼º´É ¹× µ¿ÀÛÀ» °ËÁõÇÏ¿´À¸¸ç, USB µ¿±ÛÀ» ÀÌ¿ëÇÏ¿© Á¦¾ÈÇÏ´Â ½ºÅ©·¥ºí¸µ/µð½ºÅ©·¥ºí¸µ ¹æ½ÄÀ» H.264 ºñµð¿À ¾ÐÃà¿¡ Àû¿ëÇÒ ¼ö ÀÖ´Â µ¿¿µ»ó Àç»ý ½Ã½ºÅÛÀ» ±¸ÇöÇÏ¿´´Ù.
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¿µ¹®³»¿ë (English Abstract) |
This paper describes efficient H.264/AVC video scrambling methods for digital rights management. The proposed scrambling methods are to scramble level and suffix in entropy encoding and MVD in motion estimation of the H.264 video compression process. Other scrambling methods have been proposed but they degrade the compression efficiency or make it difficult to achieve real-time processing due to the large amount of computational efforts. Since the proposed scrambling methods resolve the drawbacks of other approaches, they do not cause image distortion and the original compression efficiency is maintained. We verified our scrambling methods and evaluated the performance by conducting several experiments with H.264 reference program. Finally, we implemented video player system using USB dongle in order to apply the proposed scrambling/descrambling methods to H.264 video compression.
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Å°¿öµå(Keyword) |
H.264/AVC
½ºÅ©·¥ºí¸µ/µð½ºÅ©·¥ºí¸µ
µðÁöÅÐ ÀúÀÛ±Ç °ü¸®
µ¿¿µ»ó Àç»ý ½Ã½ºÅÛ
Scrambling/Descrambling
Digital Rights Management
Video player system
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ÆÄÀÏ÷ºÎ |
PDF ´Ù¿î·Îµå
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