Add yolact model

Author: Dmitry Sidnev

demos/background_subtraction_demo/python/README.md

@@ -59,6 +59,7 @@ omz_converter --list models.lst
 ### Supported Models
 
 * instance-segmentation-person-0007
+* yolact-resnet50-fpn-pytorch
 
 > **NOTE**: Refer to the tables [Intel's Pre-Trained Models Device Support](../../../models/intel/device_support.md) and [Public Pre-Trained Models Device Support](../../../models/public/device_support.md) for the details on models inference support at different devices.
 

demos/background_subtraction_demo/python/models.lst

@@ -1,2 +1,3 @@
 # This file can be used with the --list option of the model downloader.
 # instance-segmentation-person-????
+yolact-resnet50-fpn-pytorch

demos/tests/cases.py

@@ -705,14 +705,15 @@ def single_option_cases(key, *args):
         ],
     )),
 
-    #PythonDemo(name='background_subtraction_demo', device_keys=['-d'], test_cases=combine_cases(
-    #    TestCase(options={'--no_show': None,
-    #        **MONITORS,
-    #        '-i': DataPatternArg('instance-segmentation'),
-    #        '--delay': '1'}),
-    #    single_option_cases('-m',
-    #        ModelArg('instance-segmentation-person-0007')),
-    #)),
+    PythonDemo(name='background_subtraction_demo', device_keys=['-d'], test_cases=combine_cases(
+        TestCase(options={'--no_show': None,
+            **MONITORS,
+            '-i': DataPatternArg('instance-segmentation'),
+            '--delay': '1'}),
+        single_option_cases('-m',
+    #       ModelArg('instance-segmentation-person-0007'),
+            ModelArg('yolact-resnet50-fpn-pytorch')),
+    )),
 
     PythonDemo(name='bert_question_answering_demo', device_keys=['-d'], test_cases=combine_cases(
         TestCase(options={'-i': 'https://en.wikipedia.org/wiki/OpenVINO',