diff --git a/10_Method_comparison/exercise_solution/otsu_imagej.csv b/10_Method_comparison/exercise_solution/otsu_imagej.csv
new file mode 100644
index 0000000000000000000000000000000000000000..2cb523dcf1dc96cbb98a5756bbbbbed1e3114008
--- /dev/null
+++ b/10_Method_comparison/exercise_solution/otsu_imagej.csv
@@ -0,0 +1,26 @@
+ ,Area
+1,197.906
+2,468.903
+3,780.640
+4,988.922
+5,1100.159
+6,1152.649
+7,1178.131
+8,1189.575
+9,1197.052
+10,1197.662
+11,1210.632
+12,1222.534
+13,1241.913
+14,1266.785
+15,1292.419
+16,1318.512
+17,1340.637
+18,1371.918
+19,1373.596
+20,1315.308
+21,1172.638
+22,915.527
+23,586.243
+24,222.931
+25,127.411
diff --git a/10_Method_comparison/exercise_solution/otsu_python.csv b/10_Method_comparison/exercise_solution/otsu_python.csv
new file mode 100644
index 0000000000000000000000000000000000000000..5fa3ccb23d2f110d49c50559021fba30424664e8
--- /dev/null
+++ b/10_Method_comparison/exercise_solution/otsu_python.csv
@@ -0,0 +1,26 @@
+# Area
+1.991271972656250000e+02
+4.690551757812500000e+02
+7.826232910156250000e+02
+9.902954101562500000e+02
+1.100158691406250000e+03
+1.150970458984375000e+03
+1.173553466796875000e+03
+1.184692382812500000e+03
+1.190338134765625000e+03
+1.185302734375000000e+03
+1.189270019531250000e+03
+1.192169189453125000e+03
+1.206970214843750000e+03
+1.242980957031250000e+03
+1.277008056640625000e+03
+1.309814453125000000e+03
+1.334838867187500000e+03
+1.371765136718750000e+03
+1.375122070312500000e+03
+1.315155029296875000e+03
+1.172790527343750000e+03
+9.176635742187500000e+02
+5.870056152343750000e+02
+2.243041992187500000e+02
+1.284790039062500000e+02