MS-SSIM: Read image data as binary

research/compression/image_encoder/msssim.py

@@ -199,9 +199,9 @@ def main(_):
     return
 
   with tf.gfile.FastGFile(FLAGS.original_image) as image_file:
-    img1_str = image_file.read()
+    img1_str = image_file.read('rb')
   with tf.gfile.FastGFile(FLAGS.compared_image) as image_file:
-    img2_str = image_file.read()
+    img2_str = image_file.read('rb')
 
   input_img = tf.placeholder(tf.string)
   decoded_image = tf.expand_dims(tf.image.decode_png(input_img, channels=3), 0)