rename to iopaint

iopaint/plugins/remove_bg.py

@@ -0,0 +1,49 @@
+import os
+import cv2
+import numpy as np
+from torch.hub import get_dir
+
+from iopaint.plugins.base_plugin import BasePlugin
+from iopaint.schema import RunPluginRequest
+
+
+class RemoveBG(BasePlugin):
+    name = "RemoveBG"
+    support_gen_mask = True
+    support_gen_image = True
+
+    def __init__(self):
+        super().__init__()
+        from rembg import new_session
+
+        hub_dir = get_dir()
+        model_dir = os.path.join(hub_dir, "checkpoints")
+        os.environ["U2NET_HOME"] = model_dir
+
+        self.session = new_session(model_name="u2net")
+
+    def gen_image(self, rgb_np_img, req: RunPluginRequest) -> np.ndarray:
+        from rembg import remove
+
+        bgr_np_img = cv2.cvtColor(rgb_np_img, cv2.COLOR_RGB2BGR)
+
+        # return BGRA image
+        output = remove(bgr_np_img, session=self.session)
+        return cv2.cvtColor(output, cv2.COLOR_BGRA2RGBA)
+
+    def gen_mask(self, rgb_np_img, req: RunPluginRequest) -> np.ndarray:
+        from rembg import remove
+
+        bgr_np_img = cv2.cvtColor(rgb_np_img, cv2.COLOR_RGB2BGR)
+
+        # return BGR image, 255 means foreground, 0 means background
+        output = remove(bgr_np_img, session=self.session, only_mask=True)
+        return output
+
+    def check_dep(self):
+        try:
+            import rembg
+        except ImportError:
+            return (
+                "RemoveBG is not installed, please install it first. pip install rembg"
+            )