Change window size for attention

Author: Eren Golge

layers/attention.py

@@ -118,8 +118,8 @@ def __init__(self, out_dim, rnn_dim, annot_dim, memory_dim, align_model, windowi
         self.rnn_cell = nn.GRUCell(annot_dim + memory_dim, rnn_dim)
         self.windowing = windowing
         if self.windowing:
-            self.win_back = 1
-            self.win_front = 3
+            self.win_back = 3
+            self.win_front = 6
             self.win_idx = None
         # pick bahdanau or location sensitive attention
         if align_model == 'b':