JP 2005-295526 10/2005
KR 19960028458 7/1996
KR 1020050026318 3/2005
KR 1020050061762 6/2005
KR 1020050089090 9/2005
KR 1020050061762 6/2006
WO WO2005/004491 1/2005
OTHER PUBLICATIONS
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(22) Filed: seP-12, 2007 b1001< coding in H.264/MPEG-4 Part 10;” Real-Time Imaging 11 (2006) 1-6. (65) Prior Publication Data * ' d b ' US 2008/0069211 A1 Mar. 20, 2008 one y exammer _ _ _ _ _ Primary Examiner * Phirin Sam (30) Forelgn Apphcatlon Pnonty Data (74) Attorney Agent or Firm * Ladas & Parry LLP Sep. 14, 2006 (KR) ...................... .. 10-2006-0088858 (57) ABSTRACT (51) Int. Cl. Provided are moving picture encoding apparatus and method H04N 7/12 (2006.01) skipping intra prediction in encoding mode determination (52) U.S. Cl. ............................ .. 375/240.12; 375/240.13 using rate-distortion (RD) C0sts_and<_1etennining2_1n encoding (58) Field 01 Classification Search ...................... .. N000 mode at 111811 Speed The HIOVIHB Plcture eI1COd1ng_meI1}Od See application file for complete search history. lncludefs the Still” 0; Sgtlng the lowest 0%? 01; ategdlstonéog costs o macro oc s a jacent to a macro oc to e enco e (56) References Cited as a threshold value; setting the loWest one of mode-specific distortion costs obtained by inter prediction for the macrobU.S. PATENT DOCUMENTS lock to be encoded as an optimum inter mode distortion cost; 6,037,987 A * 3/2000 S th """""" “ 375/24003 comparing the threshold value With the optimum inter mode 6,944,224 B2 9/200 5 Z1:1a(:1:I:1l12,1n distortion cost; and When the thresholdvalue is larger than the 2005/0135484 A1* 6/2005 Lee et al. ............... .. 375/240.16 optimum inter mode distortion cost, as a result of the com* JAel(1)I;te;la1' """""""""" " 382/239 parison, skipping intra prediction and setting a mode having / / '1‘ the optimum inter mode distortion cost as a final encoding 188378131333 21- 23188? 0110300111. ........ .. 075040.12 mode2007/0l40339 Al * 6/2007 Bhaskaran et al. . 375/240.12 2007/0237240 A1* 10/2007 Lee et al. ............... .. 375/240.24 16 Claims, 4 Drawing Sheets In ut . ‘ . Vigeo Encodrng Redsgggal Transf0rrn/ Vanable length Inverse transform / ~—-—--- unit quantrzatmn codrng unrt quantrzatmn umt (110) unrt (120) (130) (140) Rate Distortion Mode . . Selection unit Rate drstortron cost
