Merge pull request #90 from Learnware-LAMDA/mnt_image_score

[FIX] Fix monotonicity

learnware/market/easy/searcher.py

@@ -588,9 +588,9 @@ class EasyStatSearcher(BaseSearcher):
 
         # Special Transform for ImageSpecification
         if self.stat_spec_type == "RKMEImageSpecification":
-            sorted_dist_list = [np.exp(-d / 0.00005) for d in sorted_dist_list]
+            sorted_dist_list = [1 - np.exp(-d / 0.00005) for d in sorted_dist_list]
             if mixture_dist is not None:
-                mixture_dist = np.exp(-mixture_dist / 0.00005)
+                mixture_dist = 1 - np.exp(-mixture_dist / 0.00005)
 
         if mixture_dist is None:
             sorted_score_list = self._convert_dist_to_score(sorted_dist_list)