From: Approximate calculation of 8-point DCT for various scenarios of practical applications
Type | Adds | Bit-shifts | χ1(U) | \(\epsilon _{A}^{(I)}(U)\) | π(U) | Orthogonality |
---|---|---|---|---|---|---|
DR2014 | 12 | 0 | 15.155350 | 13.228013 | 0.542537 | - |
PMCBKE2014 | 14 | 0 | 1.288450 | 0.631898 | 0.184816 | + |
BC2012 | 14 | 0 | 1.131665 | 0.475113 | 0.184816 | + |
BAS2008III (a=0.0) | 16 | 0 | 1.142898 | 0.568321 | 0.161740 | + |
BAS2008III (a=1.0) | 18 | 0 | 1.142676 | 0.568201 | 0.161711 | + |
BAS2008III (a=0.5) | 18 | 2 | 1.090498 | 0.542735 | 0.154192 | + |
PS2012 | 18 | 2 | 0.882784 | 0.347891 | 0.150570 | + |
BAS2008I | 18 | 2 | 0.738024 | 0.190261 | 0.154192 | + |
BAS2008II | 21 | 0 | 0.732042 | 0.152670 | 0.163090 | - |
CB2011 | 22 | 0 | 0.618240 | 0.078402 | 0.151962 | + |
SDCT2001 | 24 | 0 | 0.757160 | 0.165835 | 0.166455 | - |
BAS2010 | 24 | 4 | 0.690653 | 0.168235 | 0.147058 | + |
PMCBR2012 | 24 | 6 | 0.569858 | 0.049666 | 0.146431 | + |