... (16 1, 12 9) 1. 1 Block index 26 7 28 3 29 9 315 3 31 28 4 300 316 3 32 (16 1, 16 8) 0.9 0.8 16 × authentication block 0.7 0.6 0.5 0.4 0.3 50 10 0 15 0 20 0 25 0 300 350 400 450 500 Block index (19 2, 12 9) 26 8 (19 2, ... 10 −4 32. 89 98% 44. 41 0.0 014 28 .69 95% 41. 53 0. 010 1 19 .95 90% 38.83 0. 026 7 15 .74 80% 35.94 0.06 41 11. 93 70% 34. 41 0.0956 10 .19 60% 33.34 0 .10 61 9.74 50% 32. 56 0 . 12 27 9 .11 w mag (i) − , Nw i =1 ... Rotation (1 degree) −0.00 72 Cropping −0.0094 JPEG (QF = 99%) 0 .20 27 considered here is given by [ 21 ] J− h(i1 )h(i2 )xLL (2n1 − i1 , 2n2 − i2 ), J xLL (n1 , n2 ) = i1 ,i2 J− h(i1 )g(i2 )xLL (2n1 − i1...