Page 141 - 2023-Vol19-Issue2

137 | Al-Furaiji, Tsviatkou & Sadiq

TABLE VI.

COMPRESSION RATIOS OF ONE HSI-2 CHANNEL (1024×614 PIXELS)

WITH BITWISE CHANNEL-BY-CHANNEL ENTROPY CODING

Bit planes of the 24th Original size of Bit planes size Compression ratio
spectral channel bit planes, bytes after coding, bytes

15/14–0 78592/1178880 1398/940935 56.22/1.25

15–14/13–0 157184/1100288 1398/940935 112.43/1.17

15–13/12–0 235776/1021696 1398/940902 168.65/1.09

15–12 / 11–0 314368/943104 1617/939452 194.41/1.00

15–11 / 10–0 392960/864512 6621/929097 59.35/0.93

15–10 / 9–0 471552/785920 61584/898299 7.66/0.87

15–9 / 8–0 550144/707328 80538/866182 6.83/0.82

15–8 / 7–0 628736/628736 127599/789177 4.93/0.80

15–7 / 6–0 707328/550144 201035/690999 3.52/0.80

15–6 / 5–0 785920/471552 291767/594516 2.69/0.79

15–5 / 4–0 864512/392960 397326/503015 2.18/0.78

15–4 / 3–0 943104/314368 511096/401267 1.85/0.78

15–3 / 2–0 1021696/235776 626245/307106 1.63/0.77

15–2 / 1–0 1100288/157184 737514/206867 1.49/0.76

15–1 / 0 1178880/78592 828813/109069 1.42/0.72

Fig. 7. Structure of combined decoder for hyperspectral images