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Graphics Interchange Format  |  1996-06-06  |  70.0 KB  |  587x284  |  8-bit (77 colors)
   ocr: Spatial Bi-linear Interpolation 0l0)-Pi+Pa-Ppad) RO)=P4+(P-Pad2) Plab)=0+R-Qb8) Pab)=Pi+(Pa-PDd + (P4+(Ps-Pa))-(Pi+(Pa-Pia)be) PGb)=Pi+(Pa-PDd 2+(P4-Pi)b . *(P-P.+P3-Pab6) P(x)=X14 + .. (x2- - x1)a + (x4 -x1)b + (x1 x2+x3 : x4)ab(6) PO)=y1+02-) y1)a- +(4-Y1)b + 01-y2+y3-y)ab?)