From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Thu, 8 Feb 2018 18:54:49 +0000 (+0000)
Subject: Enable checkpoint restore from file.
X-Git-Url: https://git.sesse.net/?p=voxel-flow;a=commitdiff_plain;h=e46b852bfceb21baf504f2dbe39cf1fd31f47cc3

Enable checkpoint restore from file.
---

diff --git a/voxel_flow_train.py b/voxel_flow_train.py
index 6b2bcb4..e1fa96f 100755
--- a/voxel_flow_train.py
+++ b/voxel_flow_train.py
@@ -82,10 +82,21 @@ def train(dataset_frame1, dataset_frame2, dataset_frame3):
     # Build the summary operation from the last tower summaries.
     summary_op = tf.summary.merge_all()
 
-    # Build an initialization operation to run below.
-    init = tf.initialize_all_variables()
-    sess = tf.Session()
-    sess.run(init)
+    # Restore checkpoint from file.
+    if FLAGS.pretrained_model_checkpoint_path:
+      sess = tf.Session()
+      assert tf.gfile.Exists(FLAGS.pretrained_model_checkpoint_path)
+      ckpt = tf.train.get_checkpoint_state(
+               FLAGS.pretrained_model_checkpoint_path)
+      restorer = tf.train.Saver()
+      restorer.restore(sess, ckpt.model_checkpoint_path)
+      print('%s: Pre-trained model restored from %s' %
+        (datetime.now(), ckpt.model_checkpoint_path))
+    else:
+      # Build an initialization operation to run below.
+      init = tf.initialize_all_variables()
+      sess = tf.Session()
+      sess.run(init)
 
     # Summary Writter
     summary_writer = tf.summary.FileWriter(