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´Ù¸¥ Codecµéº¸´Ù LEAD»çÀÇ Video CodecÀÌ ´õ ÁÁÀº Á¡Àº ¹«¾ùÀΰ¡?

Full-motion VideoÀÇ ½Ç½Ã°£ Software-only Compression ¹× Decompression.
LEAD MCMP/MJPEG Video CodecÀº ½Ç½Ã°£ ¾ÐÃàÀ» Á¦°øÇÏ¿©, ¼ö½ÅµÇ´Â ºñµð¿À´Â ȹµæ½Ã ¾ÐÃàµÇ¸ç Áß°£ ÀúÀå/¾ÐÃà ´Ü°è°¡ ÇÊ¿ä ¾ø½À´Ï´Ù. ½Ç½Ã°£ º¹¿ø - ¾ÐÃàµÈ ºñµð¿À¸¦ Áï½Ã Àç»ý. Software only - Çϵå¿þ¾î°¡ ÇÊ¿ä ¾øÀ½. ÇØ»óµµ Å©±â ¶Ç´Â Ç°ÁúÀÇ ÀúÇϾøÀÌ ÀÌ·¯ÇÑ ÀÌÁ¡µéÀ» È°¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. LEAD»çÀÇ Software Only Vidoe CodecÀº ÁÁÀº Ç°Áú·Î ¾ÐÃà ¹× º¹¿øÀ» ¼öÇàÇϱâ À§ÇØ ÃÊ´ç 30 ÇÁ·¹ÀÓÀÇ ¼Óµµ·Î 640X480ÀÇ Full Resolution Video¸¦ ±¸ÇöÇÕ´Ï´Ù.

¸Å¿ì ÀÛÀº AVI ÆÄÀÏ.
»ê¾÷ Ç¥ÁØ MJPEG ¾ÐÃàÀ» »ç¿ëÇÏ´Â ¿øº»º¸´Ù ÃÖ°í 100¹è ÀÛÀº Å©±â·Î AVI ÆÄÀÏÀ» ¾ÐÃàÇϽʽÿÀ. ÃÖ»óÀÇ È£È¯¼ºÀ» À¯ÁöÇϸ鼭 Frame Rate¸¦ Çâ»ó½ÃÅ°°í AVI ÆÄÀÏÀ» ¿øº»º¸´Ù ¸Å¿ì ÀÛÀº Å©±â·Î ¾ÐÃàÇϱâ À§ÇØ MJPEGÀ» ¼±ÅÃÇϽʽÿÀ.

¸¸¾à Ç¥ÁØ ÀÎÄÚµùÀÌ ÇÊ¿äÇÏÁö ¾Ê´Ù¸é, MCMP ¶Ç´Â »õ·Î¿î MCMW ¾ÐÃàÀ» »ç¿ëÇÏ¿© ´õ ³ôÀº ¼º´É(Ç°Áú ¹× ¾ÐÃà)À» È®º¸ÇÒ ¼ö ÀÖ½À´Ï´Ù. MCMP´Â MJPEGº¸Å¸ ´õ ºü¸¥ ¼Óµµ·Ï ´õ ³ôÀº ¾ÐÃàÀ²°ú ´õ ÁÁÀº Ç°ÁúÀ» Á¦°øÇØÁÝ´Ï´Ù. »õ·Î¿î MCMW ¾ÐÃàÀ» »ç¿ëÇϸé (¿øº» Å©±âº¸´Ù ÃÖ°í 250¹è ÀÛÀº) ³ôÀº ¾ÐÃàÀ²À» È°¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. MCMW´Â ¼Óµµ¿Í Ç°ÁúÀÇ ÀúÇÏ ¾øÀÌ ¾÷°è¿¡¼­ °¡Àå ³ôÀº ¾ÐÃàÀ²À» Á¦°øÇÏ´Â °¡Àå ºü¸¥ Frame-by-frameÀÇ Wavelet ±â¹Ý ¾ÐÃàÀÔ´Ï´Ù.

Lossless CompressionÀ» ÅëÇØ Áß¿äÇÑ À̹ÌÁö µ¥ÀÌÅ͸¦ º¸Á¸.
LEAD MCMP/MJPEG Video CodecÀº Medical Multiframe Image¿Í °°Àº Áß¿äÇÑ À̹ÌÁö¸¦ ȹµæµÈ ±×´ë·Î º¸Á¸ÇÒ ¼ö ÀÖÀ¸¸ç ºñµð¿À ÆíÁýÀÇ ¹Ýº¹µÇ´Â ÀúÀå¿¡ ÀÇÇÑ ´©Àû ¿¡·¯¸¦ ¹æÁöÇØ ÁÝ´Ï´Ù.

LEAD Video CodecÀº MMX, Pentium II ¹× Pentium III¿¡ ÃÖÀûÈ­µÊ.
¸¸¾à Software Only Video SolutionÀ» »ç¿ëÇØ¾ß ÇÑ´Ù¸é, »¡¶ó¾ß ÇÕ´Ï´Ù. LEAD´Â ¾ÐÃà ¹× º¹¿ø ¾Ë°í¸®ÁòÀ» °¡Àå ºü¸£°Ô ÃÖÀûÈ­ÇÏ¿´½À´Ï´Ù. LEAD´Â »õ·Î¿î ĨÀÌ ³ª¿Ã ¶§¸¶´Ù ¾÷µ¥ÀÌÆ®µÈ ÃÖÀûÈ­¸¦ Á¦°øÇÒ °ÍÀÔ´Ï´Ù.

±âÁ¸ÀÇ ¾îÇø®ÄÉÀ̼ÇÀ» »ç¿ëÇÏ¿© ºñµð¿À Á¦ÀÛ, ÆíÁý ¹× Àç»ý.
LEAD»çÀÇ Video CodecÀº Windows ³»¿¡ ÀÚü ¼³Ä¡µÇ°í Windows Media Play, Microsoft»çÀÇ ActiveMovie ¶Ç´Â Adobe Premier¿Í °°Àº ¸ðµç Windows ¾îÇø®ÄÉÀ̼ǿë DirectShow/Video¿¡ ÅëÇյ˴ϴÙ. °£´ÜÇÏ°í ½±°Ô ±âÁ¸ÀÇ ¸ÖƼ¹Ìµð¾î ÇÁ·Î±×·¥ ¼º´ÉÀ» ¸Å¿ì Çâ»ó½ÃÄÑÁÝ´Ï´Ù. ¶ÇÇÑ, LEAD Video CodecµéÀÌ LEAD Multimedia Converter¸¦ ¹«»óÀ¸·Î ¹øµé Á¦°øÇϱ⠶§¹®¿¡, Ãß°¡ ¼ÒÇÁÆ®¿þ¾î¸¦ ±¸ÀÔÇϰųª »õ·Î¿î ¼ÒÇÁÆ®¿þ¾î ÆÐÅ°Áö¸¦ ÀÍÇô¾ß ÇÏ´Â ¹ø°Å·Î¿òÀ» ÇÇÇÒ ¼ö ÀÖ½À´Ï´Ù.

MJPEGÀ» °¡Àå ±¤¹üÀ§ÇÏ°Ô Áö¿ø.
LEAD Technologies»ç´Â 10³â ÀÌ»ó JPEGÀ» Áö¿øÇØ¿Ô½À´Ï´Ù. ±× ±â°£ µ¿¾È, LEAD»ç´Â Áö¿øµÇ´Â Variation°ú FlavorÀÇ ¼ö¿¡¼­ ´Ù¸¥ °Íµé°ú ºñ±³°¡ µÇÁö ¾Ê´Â JPEG ¶óÀ̺귯¸®¸¦ °³¹ßÇÏ¿´½À´Ï´Ù. LEAD MCMP/MJPEG Video CodecÀº 24 Bit ¹× 8 Bit Grayscale Æ÷¸äÀ» ¸ðµÎ Áö¿øÇϸç, ´Ù¾çÇÑ Color Space º¯È¯À» Áö¿øÇÕ´Ï´Ù.

Àбâ/¾²±â Çϵå¿þ¾î ȣȯ MJPEG ÆÄÀÏ.
¾î¶² AVI ÆÄÀÏÀ» º¼ ¶§ ¹®Á¦°¡ ¹ß»ýÇÑ ÀÏÀÌ ÀÖÀ» °ÍÀÔ´Ï´Ù. ÀÐÀ» ¼ö ¾ø´Â MJPEG ÆÄÀÏÀÌ Æ÷ÇԵǾî ÀÖ´Â °æ¿ìÀÔ´Ï´Ù. MJPEGÀ» Áö¿øÇÏ´Â Codec(´ëºÎºÐ Çϵå¿þ¾î)Àº ±Ø¼Ò¼öÀÔ´Ï´Ù. LEAD»çÀÇ MCMP/MJPEG Video CodecÀ» ¼³Ä¡Çϸé, ÆÄÀÏÀ» ·ÎµåÇÒ ¼ö ÀÖÀ» »Ó¸¸ ¾Æ´Ï¶ó ÀÚü Á¦ÀÛ, ÆíÁý ¹× ´Ù¸¥ ÄÚµ¦(Çϵå¿þ¾î ÄÚµ¦ Æ÷ÇÔ)¿¡¼­ ÀÐÀ» ¼ö ÀÖµµ·Ï ´Ù½Ã ÀúÀåÇÒ ¼ö ÀÖ½À´Ï´Ù.

´Ù¾çÇÑ FOURCCs Áö¿ø.
LEAD MCMP/MJPEG Video CodecÀº LEAD, Ljpg ¹× MJPEG FOURCCs¸¦ ¾ÐÃà ¹× º¹¿øÇÕ´Ï´Ù. ¶ÇÇÑ, dmb1, JPEG ¹× jpeg FOURCCsµµ µðÄÚµù ÇÕ´Ï´Ù. LEAD MCMP/MJPEG Video CodecÀº »õ·Î¿î FOURCCsµéµµ Áö¿øÇÒ °ÍÀÔ´Ï´Ù.

LEAD MCMW Video CodecÀº MCMW FOURCC¸¦ ¾ÐÃà ¹× º¹¿øÇÕ´Ï´Ù.
LEAD JPEG2000 Video CodecÀº LJ2K FOURCC¸¦ ¾ÐÃà ¹× º¹¿øÇÕ´Ï´Ù.

¾ÐÃà ¼³Á¤Àº °¢°¢ÀÇ ÄÚµ¦ Instance¸¶´Ù ´Ù¸£°Ô ¼³Á¤µÉ ¼ö ÀÖ½À´Ï´Ù.
¼­·Î ´Ù¸¥ ¾ÐÃà ¼³Á¤À» °¡Áö°í ÀÖ´Â CompressorµéÀ» µ¿½Ã¿¡ ½ÇÇàÇÒ ¼ö ÀÖ½À´Ï´Ù.

¾ÐÃà ¼³Á¤Àº ÇÁ·Î±×·¥ÀûÀ¸·Î º¯°æµÉ ¼ö ÀÖ½À´Ï´Ù. (Property ÆäÀÌÁö¸¦ »ç¿ëÇÒ ÇÊ¿ä°¡ ¾øÀ½)




LEAD Codec¿¡ ´ëÇÑ °í°´µéÀÇ Æò°¡

"¸Å¿ì ÈǸ¢ÇÑ ÇÁ·Î±×·¥ÀÌ´Ù. ÀÌÁ¦ WinVcr ¹× PowerVcrÀÌ ´õ ÀÌ»ó ÇÊ¿ä ¾ø´Ù. ÀÌ ÇÁ·Î±×·¥Àº 1/2¿¡¼­ 1/30 ±îÁö AVI ¿øº» ÆÄÀÏÀ» ¾ÐÃàÇÏ´Â °íÇ°Áú mjpegÀ» »ç¿ëÇÏ¿© ºñµð¿À¸¦ ³ìÈ­ÇÒ ¼ö ÀÖµµ·Ï ÇØÁØ´Ù. ÀÌ ¾ÐÃàÀ» »ç¿ëÇÏ¿© Wintv2000À¸·Î ³ìÈ­ÇÒ ¼ö ÀÖÀ¸¸ç, WinVcr ¶Ç´Â PowerVcr°ú °°Àº ºñ½Ñ Vcr ¼¼Æ®¸¦ »ç¿ëÇÏÁö ¾Ê¾Æµµ µÈ´Ù."

"ÀÌ°ÍÀº ³»°¡ ã¾Æ³½ °ÍÁß °¡Àå ÁÁÀº ¾ÐÃà ÇÁ·Î±×·¥ÀÌ´Ù. ³ª´Â WinTV ĸÃÄ Ä«µå¸¦ »ç¿ëÇÏ°í ÀÖÀ¸¸ç 30ÃÊ ¿µ»óÀ» ³ìÈ­Çϴµ¥ 52 ¸Þ°¡ ÆÄÀÏÀÌ »ý¼ºµÇ´ø °ÍÀÌ °°Àº 30ÃÊ ¿µ»óÀ» ³ìÈ­Çϴµ¥ 3¸Þ°¡°¡ Á¶±Ý ³Ñ´Â´Ù. ÀÌ ÇÁ·Î±×·¥À» Àû±Ø ÃßõÇÑ´Ù."




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