| 摘要 |
The invention concerns the storage of values of a reference block and of seven isometries used in an image fractal compression process, wherein are used four memory zones (M1, M2, M3, M4) of identical dimensions wherein are respectively stored the identity, and three first isometries corresponding to the symmetry isometries relative to the vertical axis, rotating by 270 DEG , and rotating by 90 DEG . |
