Ó°Ïñ·Ö¼¶ÖƶȵÄÈ«ÇòÑݱäÊ·
×Ô1968ÄêÃÀ¹úӰϷлὨÉè·Ö¼¶ÖƶÈÒÔÀ´£¬Ó°ÊÓÄÚÈݵÄÊÊÁäԢĿ±ê×¼ÒÑÐγÉÍêÕûϵͳ¡£2004ÄêǰºóÕýÊÇÊý×ÖýÌåÊÖÒÕתÕÛÆÚ£¬¸ßÇåÀ¶¹â½éÖÊµÄÆÕ¼°Ê¹µÃÌØÊâÌâ²Ä×÷Æ·¸üÒ×Èö²¥¡£ÖµµÃ×¢ÖØµÄÊÇ£¬¸÷¹ú¶ÔÏÞÖÆ¼¶£¨NC-17£©×÷Æ·µÄ½ç˵±ê×¼±£´æÏÔÖø²î±ð£¬ºÃ±ÈÅ·ÖÞijЩ¹ú¼ÒÔÊÐíµÄÒÕÊõ±í´ïÐÎʽ£¬ÔÚÑÇÖÞµØÇø¿ÉÄÜÃæÁÙÈö²¥ÏÞÖÆ¡£
¼«¶ËÒþÓ÷³¡¾°µÄÒÕÊõ½â¶Á
²¿·ÖʵÑéӰϷͨ¹ýÖ«ÌåÓïÑԵļ«Ö±í´ïת´ïÉî²ãÉç»áÅúÅУ¬ÕâÖÖ´´×÷ÊÖ·¨ÔÚÏÈ·æÒÕÊõȦ²ãÒý·¢Ò»Á¬ÐÔÌÖÂÛ¡£ÒÔÉøÍ¸ÎïÎªÔØÌåµÄÊÓ¾õ·ûºÅ£¬ÔÚÒÕÊõÊ·ÉÏ¿É×·ËÝÖÁ1960ÄêÔµÄάҲÄÉÐж¯ÅÉ¡£²»¹ýͨË×¹ÛÖÚÓ¦µ±×¢ÖØÇø·ÖÒÕÊõ̽Ë÷ÓëÉÌÒµàåÍ·£¬Ã÷È·ÌØÊⳡ¾°µÄÓï¾³ÐèÁ¬Ïµµ¼ÑÝ´´×÷ÉùÃ÷Óëʱ´úÅä¾°ÆÊÎö¡£
Êý×Ö°æÈ¨±£»¤ÊÖÒÕÉú³¤
À¶¹â¼ÓÃÜÊÖÒÕ£¨AACS£©×Ô2006Äêµü´úºó´ó·ùÌáÉýÁËÊý×Ö°æÈ¨ÖÎÀíÄÜÁ¦¡£Õý°æ¿¯ÐÐÇþµÀ½ÓÄɶ¯Ì¬Ë®Ó¡£¨Digital Watermarking£©µÈÊÖÒÕ£¬ÓÐÓÃ×èÖ¹Á˲»·¨¿½±´Èö²¥¡£¹ØÓÚ±£´æÎÄ»¯ÕùÒéµÄ×÷Æ·£¬¹ºÖùٷ½¿¯ÐеÄʵÌå¹âµú²»µ«Äܰü¹Ü×î¼Ñ»ÖÊ£¬¸üÄÜ×èÖ¹ÏÝÈë²»·¨Èö²¥µÄÖ´·¨Î£º¦¡£
×ÖÄ»ÎļþµÄÕýµ±»ñȡ;¾¶
Õý¹æ×ÖÄ»×éÐè»ñµÃ¹ú¼Ê¿¯ÐÐÉ̵Ĺٷ½ÊÚȨ£¬Í¨¹ý¶©ÔÄÖÆÆ½Ì¨Ìṩ¶àÓïÑÔÖ§³Ö¡£²¿·ÖÁ÷ýÌåÆ½Ì¨ÈçCriterion ChannelÌṩѧÊõ¼¶×¢ÊÍ×ÖÄ»£¬¶ÔÌØÊ⾵ͷ¾ÙÐÐÎÄ»¯Åä¾°½â¶Á¡£¹ÛÖÚÐèСÐÄÄÇЩ°üÀ¨Òþ²Ø´úÂëµÄ"´ò°üÎļþ"£¬ÕâЩ¿ÉÄܺ¬ÓжñÒâÈí¼þµÄÔØÌåÍùÍùÈÆ¹ýÄÚÈÝÉó²é»úÖÆ¡£
¹ÛÓ°×°±¸µÄ¿µ½¡ÉèÖñê×¼
ԢĿ¸ßÂëÂÊÀ¶¹âÄÚÈÝÐèע֨װ±¸Ð£×¼£¬¹ý¸ßµÄ±ÈÕÕ¶È¿ÉÄܼӾç´Ì¼¤ÐÔ»Ãæ´øÀ´µÄÊÓ¾õ¹¥»÷¡£Æ¾Ö¤¹ú¼ÊµçÁªITU-R BT.2100±ê×¼£¬½¨Ò齫·åÖµÁÁ¶È¿ØÖÆÔÚ300ÄáÌØÒÔÏ¡£ÌØÊâÌâ²Ä×÷Æ·¸üÓ¦¹Ø×¢Ô¢Ä¿ºóµÄÐÄÀíµ÷ÊÊ£¬ÐëҪʱӦ׷ÇóרҵӰÆÀÈ˵Ľâ¶ÁÖ¸µ¼¡£
¹ÛÖÚÔÚ×·ÇóÊÓÌýÌåÑéʱÐ轨ÉèË«ÖØÈÏÖª¿ò¼Ü£º¼ÈÒª×ðÖØÒÕÊõ´´×÷µÄ¶àÔª±í´ï£¬Ò²Òªã¡ÊØÎÄ»¯Â×ÀíµÄ»ù±¾µ×Ïß¡£Ñ¡Ôñ¹ú¼ÒÅú×¼µÄÕý¹æÆ½Ì¨£¬²Î¿¼×¨ÒµÓ°ÆÀÈ˵ÄÉî¶È½â¶Á£¬²Å»ª½«¹ÛÓ°ÐÐΪת»¯ÎªÓмÛÖµµÄÎÄ»¯ÌåÑé¡£¹ØÓÚ±£´æÕùÒéµÄÓ°ÊÓÄÚÈÝ£¬½¨ÒéÓÅÏȲéÔÄÓ°Ï·×ÊÁϹݵÄѧÊõµµ°¸¶ø·ÇÍøÂçË鯬ÐÅÏ¢¡£Ó°Ïñ·Ö¼¶ÖƶȵÄÈ«ÇòÑݱäÊ·
×Ô1968ÄêÃÀ¹úӰϷлὨÉè·Ö¼¶ÖƶÈÒÔÀ´£¬Ó°ÊÓÄÚÈݵÄÊÊÁäԢĿ±ê×¼ÒÑÐγÉÍêÕûϵͳ¡£2004ÄêǰºóÕýÊÇÊý×ÖýÌåÊÖÒÕתÕÛÆÚ£¬¸ßÇåÀ¶¹â½éÖÊµÄÆÕ¼°Ê¹µÃÌØÊâÌâ²Ä×÷Æ·¸üÒ×Èö²¥¡£ÖµµÃ×¢ÖØµÄÊÇ£¬¸÷¹ú¶ÔÏÞÖÆ¼¶£¨NC-17£©×÷Æ·µÄ½ç˵±ê×¼±£´æÏÔÖø²î±ð£¬ºÃ±ÈÅ·ÖÞijЩ¹ú¼ÒÔÊÐíµÄÒÕÊõ±í´ïÐÎʽ£¬ÔÚÑÇÖÞµØÇø¿ÉÄÜÃæÁÙÈö²¥ÏÞÖÆ¡£
¼«¶ËÒþÓ÷³¡¾°µÄÒÕÊõ½â¶Á
²¿·ÖʵÑéӰϷͨ¹ýÖ«ÌåÓïÑԵļ«Ö±í´ïת´ïÉî²ãÉç»áÅúÅУ¬ÕâÖÖ´´×÷ÊÖ·¨ÔÚÏÈ·æÒÕÊõȦ²ãÒý·¢Ò»Á¬ÐÔÌÖÂÛ¡£ÒÔÉøÍ¸ÎïÎªÔØÌåµÄÊÓ¾õ·ûºÅ£¬ÔÚÒÕÊõÊ·ÉÏ¿É×·ËÝÖÁ1960ÄêÔµÄάҲÄÉÐж¯ÅÉ¡£²»¹ýͨË×¹ÛÖÚÓ¦µ±×¢ÖØÇø·ÖÒÕÊõ̽Ë÷ÓëÉÌÒµàåÍ·£¬Ã÷È·ÌØÊⳡ¾°µÄÓï¾³ÐèÁ¬Ïµµ¼ÑÝ´´×÷ÉùÃ÷Óëʱ´úÅä¾°ÆÊÎö¡£
Êý×Ö°æÈ¨±£»¤ÊÖÒÕÉú³¤
À¶¹â¼ÓÃÜÊÖÒÕ£¨AACS£©×Ô2006Äêµü´úºó´ó·ùÌáÉýÁËÊý×Ö°æÈ¨ÖÎÀíÄÜÁ¦¡£Õý°æ¿¯ÐÐÇþµÀ½ÓÄɶ¯Ì¬Ë®Ó¡£¨Digital Watermarking£©µÈÊÖÒÕ£¬ÓÐÓÃ×èÖ¹Á˲»·¨¿½±´Èö²¥¡£¹ØÓÚ±£´æÎÄ»¯ÕùÒéµÄ×÷Æ·£¬¹ºÖùٷ½¿¯ÐеÄʵÌå¹âµú²»µ«Äܰü¹Ü×î¼Ñ»ÖÊ£¬¸üÄÜ×èÖ¹ÏÝÈë²»·¨Èö²¥µÄÖ´·¨Î£º¦¡£
×ÖÄ»ÎļþµÄÕýµ±»ñȡ;¾¶
Õý¹æ×ÖÄ»×éÐè»ñµÃ¹ú¼Ê¿¯ÐÐÉ̵Ĺٷ½ÊÚȨ£¬Í¨¹ý¶©ÔÄÖÆÆ½Ì¨Ìṩ¶àÓïÑÔÖ§³Ö¡£²¿·ÖÁ÷ýÌåÆ½Ì¨ÈçCriterion ChannelÌṩѧÊõ¼¶×¢ÊÍ×ÖÄ»£¬¶ÔÌØÊ⾵ͷ¾ÙÐÐÎÄ»¯Åä¾°½â¶Á¡£¹ÛÖÚÐèСÐÄÄÇЩ°üÀ¨Òþ²Ø´úÂëµÄ"´ò°üÎļþ"£¬ÕâЩ¿ÉÄܺ¬ÓжñÒâÈí¼þµÄÔØÌåÍùÍùÈÆ¹ýÄÚÈÝÉó²é»úÖÆ¡£
¹ÛÓ°×°±¸µÄ¿µ½¡ÉèÖñê×¼
ԢĿ¸ßÂëÂÊÀ¶¹âÄÚÈÝÐèע֨װ±¸Ð£×¼£¬¹ý¸ßµÄ±ÈÕÕ¶È¿ÉÄܼӾç´Ì¼¤ÐÔ»Ãæ´øÀ´µÄÊÓ¾õ¹¥»÷¡£Æ¾Ö¤¹ú¼ÊµçÁªITU-R BT.2100±ê×¼£¬½¨Ò齫·åÖµÁÁ¶È¿ØÖÆÔÚ300ÄáÌØÒÔÏ¡£ÌØÊâÌâ²Ä×÷Æ·¸üÓ¦¹Ø×¢Ô¢Ä¿ºóµÄÐÄÀíµ÷ÊÊ£¬ÐëҪʱӦ׷ÇóרҵӰÆÀÈ˵Ľâ¶ÁÖ¸µ¼¡£
¹ÛÖÚÔÚ×·ÇóÊÓÌýÌåÑéʱÐ轨ÉèË«ÖØÈÏÖª¿ò¼Ü£º¼ÈÒª×ðÖØÒÕÊõ´´×÷µÄ¶àÔª±í´ï£¬Ò²Òªã¡ÊØÎÄ»¯Â×ÀíµÄ»ù±¾µ×Ïß¡£Ñ¡Ôñ¹ú¼ÒÅú×¼µÄÕý¹æÆ½Ì¨£¬²Î¿¼×¨ÒµÓ°ÆÀÈ˵ÄÉî¶È½â¶Á£¬²Å»ª½«¹ÛÓ°ÐÐΪת»¯ÎªÓмÛÖµµÄÎÄ»¯ÌåÑé¡£¹ØÓÚ±£´æÕùÒéµÄÓ°ÊÓÄÚÈÝ£¬½¨ÒéÓÅÏȲéÔÄÓ°Ï·×ÊÁϹݵÄѧÊõµµ°¸¶ø·ÇÍøÂçË鯬ÐÅÏ¢¡£