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1 parent 7c1c657d
Showing 2 changed files with 23 additions and 6 deletions Show diff stats
mdata/ANALYSIS.py
mjpeg/__init__.py
@@ -0,0 +1,19 @@
+__author__ = 'chunk'
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@@ -304,21 +304,19 @@ class Jpeg(Jsteg):
         Ref - http://stackoverflow.com/questions/2024947/is-it-possible-to-tell-the-quality-level-of-a-jpeg,http://www.imagemagick.org/discourse-server/viewtopic.php?f=1&t=20235
         """
-        table0 = self.quant_tables[0].ravel()
-        table1 = self.quant_tables[1].ravel()
-        sum0 = np.sum(table0)
-        sum1 = np.sum(table1)
+        sum0 = np.sum(self.quant_tables[0])
+        sum1 = np.sum(self.quant_tables[1])
         quality = None
         if sum0 != None:
             if sum1 != None:
                 sum = sum0 + sum1
-                qvalue = table0[2] + table0[53] + table1[0] + table1[-1]
+                qvalue = self.quant_tables[0].ravel()[2] + self.quant_tables[0].ravel()[53] + self.quant_tables[1].ravel()[0] + self.quant_tables[1].ravel()[-1]
                 hashtable = bi_hash
                 sumtable = bi_sum
             else:
                 sum = sum0
-                qvalue = table0[2] + table0[53]
+                qvalue = self.quant_tables[0].ravel()[2] + self.quant_tables[0].ravel()[53]
                 hashtable = single_hash
                 sumtable = single_sum
         else: