1. Original image: 512 pixels by 512 pixels

2. Probe is the size of 1 pixel. Picture is sampled at every pixel (262144 samples taken)

3. Probe is the size of 2x2 pixels. Picture is sampled every 2 pixels (65536 samples taken)

4. Probe is the size of 4x4 pixels. Picture is sampled every 4 pixels (16384 samples taken)

5. Probe is the size of 8x8 pixels. Picture is sampled every 8 pixels (4096 samples taken)

6. Probe is the size of 16x16 pixels. Picture is sampled every 16 pixels (1024 samples taken)

7. Probe is the size of 32x32 pixels. Picture is sampled every 32 pixels (256 samples taken)

8. Probe is the size of 64x64 pixels. Picture is sampled every 64 pixels (64 samples taken)

9. Probe is the size of 128x128 pixels. Picture is sampled every 128 pixels (16 samples taken)

10. Probe is the size of 256x256 pixels. Picture is sampled every 256 pixels (4 samples taken)

11. Probe is the size of 512x512 pixels. Picture is sampled every 512 pixels (only 1 sample taken)