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README.md

@@ -4,7 +4,7 @@ emoji: 🌾
 colorFrom: purple
 colorTo: yellow
 sdk: gradio
-sdk_version: 6.24.0
+sdk_version: 6.22.0
 app_file: app.py
 short_description: Global field boundary delineation from satellite imagery
 python_version: "3.12"

app.py

@@ -18,6 +18,10 @@ from huggingface_hub import hf_hub_download
 from shapely.geometry import Polygon
 from shapely.ops import unary_union
 from ultralytics import YOLO
+from ultralytics.cfg import DEFAULT_CFG_DICT
+
+# ultralytics >= 8.4 replaced `half=True` with `quantize="fp16"`
+FP16_KW = {"quantize": "fp16"} if "quantize" in DEFAULT_CFG_DICT else {"half": True}
 
 # --------------------------------------------------------------------------------------
 # Model
@@ -248,7 +252,9 @@ def delineate(
     for i in range(0, len(origins), BATCH):
         chunk = origins[i : i + BATCH]
         tiles = [big[y : y + TILE, x : x + TILE] for (x, y) in chunk]
-        results = model.predict(tiles, conf=float(confidence), half=True, retina_masks=True, verbose=False)
+        results = model.predict(
+            tiles, conf=float(confidence), retina_masks=True, verbose=False, **FP16_KW
+        )
         for (x0, y0), res in zip(chunk, results):
             if res.masks is None or res.masks.data.shape[0] == 0:
                 continue
@@ -310,7 +316,8 @@ CSS = """
 .dark .gradio-container { color: var(--body-text-color); }
 """
 
-with gr.Blocks(theme=gr.themes.Citrus(), css=CSS, title="Delineate Anything v2") as demo:
+# NOTE: Gradio 6 moved `theme` / `css` from `Blocks(...)` to `launch(...)`.
+with gr.Blocks(title="Delineate Anything v2") as demo:
     with gr.Column(elem_id="col-container"):
         gr.Markdown(
             """
@@ -369,4 +376,4 @@ and returns clean, non-overlapping field polygons.
     )
 
 if __name__ == "__main__":
-    demo.launch(mcp_server=True)
+    demo.launch(theme=gr.themes.Citrus(), css=CSS, mcp_server=True)

requirements.txt

@@ -1,5 +1,4 @@
 ultralytics
-opencv-python-headless
 shapely
 numpy
 pillow