• Àüü
  • ÀüÀÚ/Àü±â
  • Åë½Å
  • ÄÄÇ»ÅÍ
´Ý±â

»çÀÌÆ®¸Ê

Loading..

Please wait....

±¹³» ³í¹®Áö

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 :

ÇѱÛÁ¦¸ñ(Korean Title) H.264/AVC ÀÎÄÚ´õ¿ë ÆÄÀÌÇÁ¶óÀÎ ¹æ½ÄÀÇ º¯È¯ ÄÚµù ¹× ¾çÀÚÈ­ ÄÚ¾î ¿¬±¸
¿µ¹®Á¦¸ñ(English Title) A Study on Pipelined Transform Coding and Quantization Core for H.264/AVC Encoder
ÀúÀÚ(Author) ¼Õ½ÂÀÏ   Seungil Sonh  
¿ø¹®¼ö·Ïó(Citation) VOL 16 NO. 01 PP. 0119 ~ 0126 (2012. 01)
Çѱ۳»¿ë
(Korean Abstract)
H.264/AVC´Â ºÎȣȭµÇ´Â À׿© µ¥ÀÌÅÍÀÇ À¯Çü¿¡ µû¶ó 3°³ÀÇ º¯È¯À» »ç¿ëÇÒ ¼ö ÀÖ´Ù. 4x4 DCT º¯È¯Àº Ç×»ó ¼öÇàµÇ¸ç, 16x16 ÀÎÆ®¶ó ¸ðµåÀÎ °æ¿ì¿¡´Â Ãß°¡ÀûÀ¸·Î ÈÖµµ DC °è¼ö¿¡´Â 4x4 ÇÏ´Ù¸¶µå º¯È¯À» ¼öÇàÇÏ°í, »öü DC °è¼ö¿¡´Â 2x2 ÇÏ´Ù¸¶µå º¯È¯À» ¼öÇàÇÑ´Ù. º¯È¯ ÄÚµùÀ» ¿Ï·áÇÑ ÀÌÈÄ¿¡ ÇÑÃþ ´õÇÑ µ¥ÀÌÅÍ ¾ÐÃàÀ» À§ÇØ ¾çÀÚÈ­°¡ ¼öÇàµÈ´Ù. º» ³í¹®¿¡¼­´Â H.264/AVC¿¡ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´Â DCT º¯È¯, ÇÏ´Ù¸¶µå º¯È¯ ¹× ¾çÀÚÈ­¿¡ ´ëÇÑ Çϵå¿þ¾îÀûÀÎ ±¸Çö¿¡ ´ëÇØ ¿¬±¸ÇÏ¿´´Ù. ƯÈ÷ ÆÄÀÌÇÁ¶óÀÎ ±â¹ýÀ» Àû¿ëÇÏ¿© 33Ŭ·°ÀÇ ´ë±âÁö¿¬½Ã°£ ÀÌÈÄ¿¡´Â ¸Å Ŭ·° ´ç 1°³ÀÇ ¾çÀÚÈ­µÈ °á°ú¸¦ Ãâ·ÂÇÒ ¼ö ÀÖ´Â ¾ÆÅ°ÅØÃĸ¦ Á¦¾ÈÇÏ¿´´Ù. Á¦¾ÈÇÑ ¾ÆÅ°ÅØÃÄ´Â Verilog HDL·Î ÄÚµùµÇ°í, Xilinx 7.1i ISEÅøÀ» »ç¿ëÇÏ¿© ÇÕ¼ºÇÏ°í °ËÁõÇÏ¿´´Ù. ÇÕ¼º °á°ú SPARTAN3S-1000 µð¹ÙÀ̽º¿¡¼­ µ¿ÀÛ ÁÖÆļö´Â 106MHzÀÌ´Ù. 1920X1080 HD ¿µ»ó ÇÁ·¹ÀÓÀÇ °æ¿ì ÃÖ´ë 33ÇÁ·¹ÀÓÀ» ó¸®ÇÒ ¼ö ÀÖ´Ù.
¿µ¹®³»¿ë
(English Abstract)
H.264/AVC can use three transforms depending on types of residual data which are to be coded. H.264/AVC always executes 4x4 DCT transform. In 16x16 intra mode only, 4x4 Hadamard transform for luma DC coefficients and 2x2 Hadamard transform for chroma DC coefficients are performed additionally. Quantization is carried out to achieve further data compression after transform coding is completed. In this paper, the hardware implementation for DCT transform, Hadamard transform and quantization is studied. Especially, the proposed architecture adopting the pipeline technique can output a quantized result per clock cycle after 33-clock cycle latency. The proposed architecture is coded in Verilog-HDL and synthesized using Xilinx 7.1i ISE tool. The operating frequency is 106MHz at SPARTAN3S-1000. The designed IP can process maximum 33-frame at 1920x1080 HD resolution.
Å°¿öµå(Keyword) H.264/AVC   DCT   ÇÏ´Ù¸¶µå º¯È¯   ¾çÀÚÈ­   ÆÄÀÌÇÁ¶óÀΠ  ÀÎÆ®¶ó ¿¹Ãø   H.264/AVC   DCT   Hadamard Transform   Quantization   Pipeline   Intra Prediction  
ÆÄÀÏ÷ºÎ PDF ´Ù¿î·Îµå