TABLE 2

Mean Squared Errors for Different Combinations of Prediction Region and Block Size When Degree of Overlap Is 75%

Prediction region
Low count levelIntermediate count levelHigh count level
Block size3 × 3*3 × 35 × 53 × 3*3 × 35 × 53 × 3*3 × 35 × 5
5 × 51.261.083.852.9513.2510.11
6 × 61.241.013.283.802.899.0213.2910.1142.9
7 × 71.231.001.073.832.943.1113.4310.3910.72
8 × 81.251.021.043.873.063.1013.6610.8710.91
9 × 91.241.021.033.883.083.0713.7511.0211.01
10 × 101.251.041.023.943.223.1313.9911.5511.19
11 × 111.251.051.023.963.263.1714.0711.7211.38
12 × 121.221.071.033.993.383.2314.2112.1511.74
  • 3 × 3* = prediction region of 4 orthogonal neighbors of predicted pixel; — = modeling not possible because prediction region = block size.

  • Block sizes and other prediction regions are squares in pixels.