diff --git a/pdfminer/layout.py b/pdfminer/layout.py
index 32b706f..9426ad3 100644
--- a/pdfminer/layout.py
+++ b/pdfminer/layout.py
@@ -725,4 +725,4 @@ class LTPage(LTLayoutContainer):
     def __repr__(self):
         return ('<%s(%r) %s rotate=%r>' %
                 (self.__class__.__name__, self.pageid,
-                 bbox2str(self.bbox), self.rotate))
+                 bbox2str(self.bbox), self.rotate))
\ No newline at end of file
diff --git a/pdfminer/pdftypes.py b/pdfminer/pdftypes.py
index 10c0777..af1435b 100644
--- a/pdfminer/pdftypes.py
+++ b/pdfminer/pdftypes.py
@@ -223,8 +223,13 @@ class PDFStream(PDFObject):
             return []
         if not isinstance(filters, list):
             filters = [filters]
-        if not isinstance(params, list):
+        if not params:
+            # Make sure the parameters list is the same as filters.
+            params = [{}]*len(filters)
+        elif not isinstance(params, list):
             params = [params]
+        if STRICT and len(params) != len(filters):
+            raise PDFException("Parameters len filter mismatch")
         return zip(filters, params)
 
     def decode(self):