init

demo.py

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+import gradio as gr
+import cv2
+
+ed     = cv2.ximgproc.createEdgeDrawing()
+params = cv2.ximgproc.EdgeDrawing.Params()
+params.PFmode = True
+ed.setParams(params)
+
+def edpf(image_rgb):
+    img_gray = cv2.cvtColor(image_rgb, cv2.COLOR_BGR2GRAY)
+    edges    = ed.detectEdges(img_gray)
+    edge_map = ed.getEdgeImage(edges)
+    return edge_map
+
+demo = gr.Interface(edpf, gr.Image(shape=(512, 512)), "image")
+
+if __name__ == "__main__":
+    demo.launch()

packages.txt

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+python3-opencv

requirements.txt

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+gradio==3.44.4
+opencv-contrib-python==4.8.0.76