dlr: tf graph changes

aimodel/src/deeplabv3_plus_test_rainfall.py

@@ -19,9 +19,9 @@ import tensorflow as tf
 from lib.dataset.dataset_mono import dataset_mono
 from lib.ai.components.LossCrossEntropyDice import LossCrossEntropyDice
 from lib.ai.components.MetricDice import metric_dice_coefficient as dice_coefficient
-from lib.ai.components.MetricSensitivity import sensitivity
+from lib.ai.components.MetricSensitivity import make_sensitivity as sensitivity
 from lib.ai.components.MetricSpecificity import specificity
-from lib.ai.components.MetricMeanIoU import one_hot_mean_iou as mean_iou
+from lib.ai.components.MetricMeanIoU import make_one_hot_mean_iou as mean_iou
 
 time_start = datetime.now()
 logger.info(f"Starting at {str(datetime.now().isoformat())}")
@@ -188,8 +188,8 @@ if PATH_CHECKPOINT is None:
 		metrics=[
 			"accuracy",
 			dice_coefficient,
-			mean_iou,
-			sensitivity, # How many true positives were accurately predicted
+			mean_iou(),
+			sensitivity(), # How many true positives were accurately predicted
 			specificity # How many true negatives were accurately predicted?
 			# TODO: Add IoU, F1, Precision, Recall,  here. 
 		],

aimodel/src/lib/ai/components/MetricMeanIoU.py

@@ -3,24 +3,26 @@ import math
 import tensorflow as tf
 
 
-def one_hot_mean_iou(y_true, y_pred, classes=2):
-	"""Compute the mean IoU for one-hot tensors.
-	Args:
-		y_true (tf.Tensor): The ground truth label.
-		y_pred (tf.Tensor): The output predicted by the model.
-	
-	Returns:
-		tf.Tensor: The computed mean IoU.
-	"""
-	print("DEBUG:meaniou y_pred.shape BEFORE", y_pred.shape)
-	print("DEBUG:meaniou y_true.shape BEFORE", y_true.shape)
-	y_pred = tf.math.argmax(y_pred, axis=-1)
-	y_true = tf.cast(y_true, dtype=tf.float32)
-	y_pred = tf.cast(y_pred, dtype=tf.float32)
-	print("DEBUG:meaniou y_pred.shape AFTER", y_pred.shape)
-	print("DEBUG:meaniou y_true.shape AFTER", y_true.shape)
-	
-	
+def make_one_hot_mean_iou():
 	iou = tf.keras.metrics.MeanIoU(num_classes=classes)
-	iou.update_state(y_true, y_pred)
-	return iou.result()
+	def one_hot_mean_iou(y_true, y_pred, classes=2):
+		"""Compute the mean IoU for one-hot tensors.
+		Args:
+			y_true (tf.Tensor): The ground truth label.
+			y_pred (tf.Tensor): The output predicted by the model.
+		
+		Returns:
+			tf.Tensor: The computed mean IoU.
+		"""
+		print("DEBUG:meaniou y_pred.shape BEFORE", y_pred.shape)
+		print("DEBUG:meaniou y_true.shape BEFORE", y_true.shape)
+		y_pred = tf.math.argmax(y_pred, axis=-1)
+		y_true = tf.cast(y_true, dtype=tf.float32)
+		y_pred = tf.cast(y_pred, dtype=tf.float32)
+		print("DEBUG:meaniou y_pred.shape AFTER", y_pred.shape)
+		print("DEBUG:meaniou y_true.shape AFTER", y_true.shape)
+		
+		iou.reset_state()
+		iou.update_state(y_true, y_pred)
+		return iou.result()
+	return one_hot_mean_iou

aimodel/src/lib/ai/components/MetricSensitivity.py

@@ -2,15 +2,20 @@ import math
 
 import tensorflow as tf
 
-def sensitivity(y_true, y_pred):
-	print("DEBUG:sensitivity y_pred.shape BEFORE", y_pred.shape)
-	print("DEBUG:sensitivity y_true.shape BEFORE", y_true.shape)
-	y_pred = tf.math.argmax(y_pred, axis=-1)
-	y_true = tf.cast(y_true, dtype=tf.float32)
-	y_pred = tf.cast(y_pred, dtype=tf.float32)
-	print("DEBUG:sensitivity y_pred.shape AFTER", y_pred.shape)
-	print("DEBUG:sensitivity y_true.shape AFTER", y_true.shape)
 
+def make_sensitivity():
 	recall = tf.keras.metrics.Recall()
-	recall.update_state(y_true, y_pred)
-	return recall.result()
+	def sensitivity(y_true, y_pred):
+		print("DEBUG:sensitivity y_pred.shape BEFORE", y_pred.shape)
+		print("DEBUG:sensitivity y_true.shape BEFORE", y_true.shape)
+		y_pred = tf.math.argmax(y_pred, axis=-1)
+		y_true = tf.cast(y_true, dtype=tf.float32)
+		y_pred = tf.cast(y_pred, dtype=tf.float32)
+		print("DEBUG:sensitivity y_pred.shape AFTER", y_pred.shape)
+		print("DEBUG:sensitivity y_true.shape AFTER", y_true.shape)
+		
+		recall.reset_state()
+		recall.update_state(y_true, y_pred)
+		return recall.result()
+	
+	return _sensitivity