fix empty_cuda_cache (#13)

Author: fcakyon

README.md

@@ -60,6 +60,7 @@ from craft_text_detector import (
     get_prediction,
     export_detected_regions,
     export_extra_results,
+    empty_cuda_cache
 )
 
 # set image path and export folder directory
@@ -75,31 +76,34 @@ craft_net = load_craftnet_model(cuda=True)
 
 # perform prediction
 prediction_result = get_prediction(
-	image=image,
-	craft_net=craft_net,
-	refine_net=refine_net,
-	text_threshold=0.7,
-	link_threshold=0.4,
-	low_text=0.4,
-	cuda=True,
-	long_size=1280
+    image=image,
+    craft_net=craft_net,
+    refine_net=refine_net,
+    text_threshold=0.7,
+    link_threshold=0.4,
+    low_text=0.4,
+    cuda=True,
+    long_size=1280
 )
 
 # export detected text regions
 exported_file_paths = export_detected_regions(
-	image_path=image_path,
-	image=image,
-	regions=prediction_result["boxes"],
-	output_dir=output_dir,
-	rectify=True
+    image_path=image_path,
+    image=image,
+    regions=prediction_result["boxes"],
+    output_dir=output_dir,
+    rectify=True
 )
 
 # export heatmap, detection points, box visualization
 export_extra_results(
-	image_path=image_path,
-	image=image,
-	regions=prediction_result["boxes"],
-	heatmaps=prediction_result["heatmaps"],
-	output_dir=output_dir
+    image_path=image_path,
+    image=image,
+    regions=prediction_result["boxes"],
+    heatmaps=prediction_result["heatmaps"],
+    output_dir=output_dir
 )
+
+# unload models from gpu
+empty_cuda_cache()
 ```

craft_text_detector/__init__.py

@@ -4,8 +4,9 @@
 import craft_text_detector.file_utils as file_utils
 import craft_text_detector.image_utils as image_utils
 import craft_text_detector.predict as predict
+import craft_text_detector.torch_utils as torch_utils
 
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 
 
 __all__ = [
@@ -15,6 +16,7 @@
     "get_prediction",
     "export_detected_regions",
     "export_extra_results",
+    "empty_cuda_cache",
     "Craft",
 ]
 
@@ -24,6 +26,7 @@
 get_prediction = predict.get_prediction
 export_detected_regions = file_utils.export_detected_regions
 export_extra_results = file_utils.export_extra_results
+empty_cuda_cache = torch_utils.empty_cuda_cache
 
 
 class Craft:
@@ -90,14 +93,14 @@ def unload_craftnet_model(self):
         Unloads craftnet model
         """
         self.craft_net = None
-        craft_utils.empty_cuda_cache()
+        empty_cuda_cache()
 
     def unload_refinenet_model(self):
         """
         Unloads refinenet model
         """
         self.refine_net = None
-        craft_utils.empty_cuda_cache()
+        empty_cuda_cache()
 
     def detect_text(self, image_path):
         """