Comparative results between SECodec and LZMA(7Zip). Overall compression obtained by SEC is slightly better.
     Test was performed using medical images from: http://www.data-compression.info/Corpora/LukasCorpus/ .

Original size	File name	SECodec	7Zip - LZMA - Ultra
3,678,612	lukas_2d_8_breast_1_t.tif	1,253,925	1,218,263
2,235,408	lukas_2d_8_foot_1_t.tif	853,337	896,450
2,500,096	lukas_2d_8_hand_0_t.tif	910,001	948,529
2,535,246	lukas_2d_8_hand_1_t.tif	881,407	912,629
2,656,678	lukas_2d_8_head_0_t.tif	706,114	720,874
2,608,068	lukas_2d_8_head_1_t.tif	849,681	860,303
2,701,240	lukas_2d_8_knee_0_t.tif	890,976	954,896
2,655,704	lukas_2d_8_knee_1_t.tif	919,726	982,292
1,728,972	lukas_2d_8_leg_0_t.tif	660,319	619,364
1,318,720	lukas_2d_8_leg_1_t.tif	617,911	587,777
3,124,892	lukas_2d_8_pelvis_0_t.tif	1,885,696	1,845,106
3,034,932	lukas_2d_8_pelvis_1_t.tif	1,810,209	1,746,498
2,424,218	lukas_2d_8_sinus_0_t.tif	935,313	1,005,110
2,241,804	lukas_2d_8_sinus_1_t.tif	938,191	990,328
1,759,608	lukas_2d_8_spine_0_t.tif	1,076,469	1,011,338
1,786,082	lukas_2d_8_spine_1_t.tif	1,064,244	1,009,425
3,537,852	lukas_2d_8_thorax_0_t.tif	1,833,675	1,864,837
2,854,408	lukas_2d_8_thorax_1_t.tif	1,423,677	1,390,801
45,382,540	total	19,510,871	19,564,820