4.2.4.3.1 Level-3 Sub-bands
The following are annotated dumps of the four level-3 dequantized sub-bands (LL3, LH3, HL3, and HH3). The LL3 sub-band first gives inverse differential encoding before being de-quantized (section 3.1.8.1.6). The level-3 sub-bands have dimensions of 8 x 8.