[to #42322933]create utils/cv/heatmap

根据反馈 将用到的util_func 放入modelscope/utils/cv 下
        Link: https://code.alibaba-inc.com/Ali-MaaS/MaaS-lib/codereview/9759481

modelscope/utils/cv/heatmap.py

@@ -0,0 +1,18 @@
+import cv2
+import numpy as np
+
+
+def numpy_to_cv2img(vis_img):
+    """to convert a np.array Hotmap with shape(h, w) to cv2 img
+
+    Args:
+        vis_img (np.array): input data
+
+    Returns:
+        cv2 img
+    """
+    vis_img = (vis_img - vis_img.min()) / (
+        vis_img.max() - vis_img.min() + 1e-5)
+    vis_img = (vis_img * 255).astype(np.uint8)
+    vis_img = cv2.applyColorMap(vis_img, cv2.COLORMAP_JET)
+    return vis_img

modelscope/utils/file_utils.py

@@ -3,9 +3,6 @@
 import inspect
 import os
 
-import cv2
-import numpy as np
-
 
 # TODO: remove this api, unify to flattened args
 def func_receive_dict_inputs(func):
@@ -39,19 +36,3 @@ def get_default_cache_dir():
     default_cache_dir = os.path.expanduser(
         os.path.join('~/.cache', 'modelscope'))
     return default_cache_dir
-
-
-def numpy_to_cv2img(vis_img):
-    """to convert a np.array Hotmap with shape(h, w) to cv2 img
-
-    Args:
-        vis_img (np.array): input data
-
-    Returns:
-        cv2 img
-    """
-    vis_img = (vis_img - vis_img.min()) / (
-        vis_img.max() - vis_img.min() + 1e-5)
-    vis_img = (vis_img * 255).astype(np.uint8)
-    vis_img = cv2.applyColorMap(vis_img, cv2.COLORMAP_JET)
-    return vis_img

tests/pipelines/test_crowd_counting.py

@@ -8,7 +8,7 @@ from PIL import Image
 from modelscope.outputs import OutputKeys
 from modelscope.pipelines import pipeline
 from modelscope.utils.constant import Tasks
-from modelscope.utils.file_utils import numpy_to_cv2img
+from modelscope.utils.cv.heatmap import numpy_to_cv2img
 from modelscope.utils.logger import get_logger
 from modelscope.utils.test_utils import test_level