config and download script are added

tutorials/09 - Image Captioning/configuration.py

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+class Config(object):
+    """Wrapper class for hyper-parameters."""
+    def __init__(self):
+        """Set the default hyper-parameters."""
+        # Preprocessing
+        self.image_size = 256
+        self.crop_size = 224
+        self.word_count_threshold = 4
+        self.num_threads = 2
+        
+        # Training 
+        self.num_epochs = 5
+        self.batch_size = 64
+        self.learning_rate = 0.001
+        self.log_step = 10
+        self.save_step = 1000
+        
+        # Model
+        self.embed_size = 256
+        self.hidden_size = 512
+        self.num_layers = 2
+        
+        # Path 
+        self.image_path = './data/'
+        self.caption_path = './data/annotations/'
+        self.vocab_path = './data/'