RemoveBg plugin add birefnet models, require rembg>=2.0.59

iopaint/plugins/remove_bg.py

@@ -17,6 +17,14 @@ class RemoveBG(BasePlugin):
         super().__init__()
         self.model_name = model_name
 
+        if model_name.startswith("birefnet"):
+            import rembg
+
+            if rembg.__version__ < "2.0.59":
+                raise ValueError(
+                    "To use birefnet models, please upgrade rembg to >= 2.0.59. pip install -U rembg"
+                )
+
         hub_dir = get_dir()
         model_dir = os.path.join(hub_dir, "checkpoints")
         os.environ["U2NET_HOME"] = model_dir
@@ -66,6 +74,4 @@ class RemoveBG(BasePlugin):
         try:
             import rembg
         except ImportError:
-            return (
+            return "RemoveBG is not installed, please install it first. pip install -U rembg"
-                "RemoveBG is not installed, please install it first. pip install rembg"
-            )

iopaint/schema.py

@@ -144,13 +144,21 @@ class RealESRGANModel(Choices):
 
 
 class RemoveBGModel(Choices):
+    briaai_rmbg_1_4 = "briaai/RMBG-1.4"
+    # models from https://github.com/danielgatis/rembg
     u2net = "u2net"
     u2netp = "u2netp"
     u2net_human_seg = "u2net_human_seg"
     u2net_cloth_seg = "u2net_cloth_seg"
     silueta = "silueta"
     isnet_general_use = "isnet-general-use"
-    briaai_rmbg_1_4 = "briaai/RMBG-1.4"
+    birefnet_general = "birefnet-general"
+    birefnet_general_lite = "birefnet-general-lite"
+    birefnet_portrait = "birefnet-portrait"
+    birefnet_dis = "birefnet-dis"
+    birefnet_hrsod = "birefnet-hrsod"
+    birefnet_cod = "birefnet-cod"
+    birefnet_massive = "birefnet-massive"
 
 
 class Device(Choices):

iopaint/tests/test_plugins.py

@@ -36,23 +36,25 @@ def _save(img, name):
     cv2.imwrite(str(save_dir / name), img)
 
 
-def test_remove_bg():
+@pytest.mark.parametrize("model_name", RemoveBGModel.values())
-    model = RemoveBG(RemoveBGModel.briaai_rmbg_1_4)
+def test_remove_bg(model_name):
+    print(f"Testing {model_name}")
+    model = RemoveBG(model_name)
     rgba_np_img = model.gen_image(
         rgb_img, RunPluginRequest(name=RemoveBG.name, image=rgb_img_base64)
     )
     res = cv2.cvtColor(rgba_np_img, cv2.COLOR_RGBA2BGRA)
-    _save(res, "test_remove_bg.png")
+    _save(res, f"test_remove_bg_{model_name}.png")
 
     bgr_np_img = model.gen_mask(
         rgb_img, RunPluginRequest(name=RemoveBG.name, image=rgb_img_base64)
     )
 
     res_mask = gen_frontend_mask(bgr_np_img)
-    _save(res_mask, "test_remove_bg_frontend_mask.png")
+    _save(res_mask, f"test_remove_bg_frontend_mask_{model_name}.png")
 
     assert len(bgr_np_img.shape) == 2
-    _save(bgr_np_img, "test_remove_bg_mask.jpeg")
+    _save(bgr_np_img, f"test_remove_bg_mask_{model_name}.jpeg")
 
 
 def test_anime_seg():