From 5a78fc2e33c28968a69d033cb10d638f4f63fed1 Mon Sep 17 00:00:00 2001
From: aktersnurra <gustaf.rydholm@gmail.com>
Date: Sun, 5 Jul 2020 22:27:08 +0200
Subject: Working on getting experiment loop.

---
 src/text_recognizer/models/metrics.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/text_recognizer/models/metrics.py

(limited to 'src/text_recognizer/models/metrics.py')

diff --git a/src/text_recognizer/models/metrics.py b/src/text_recognizer/models/metrics.py
new file mode 100644
index 0000000..e2a30a9
--- /dev/null
+++ b/src/text_recognizer/models/metrics.py
@@ -0,0 +1,19 @@
+"""Utility functions for models."""
+
+import torch
+
+
+def accuracy(outputs: torch.Tensor, labels: torch.Tensro) -> float:
+    """Computes the accuracy.
+
+    Args:
+        outputs (torch.Tensor): The output from the network.
+        labels (torch.Tensor): Ground truth labels.
+
+    Returns:
+        float: The accuracy for the batch.
+
+    """
+    _, predicted = torch.max(outputs.data, dim=1)
+    acc = (predicted == labels).sum().item() / labels.shape[0]
+    return acc
-- 
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