Added requirements and app file

app.py

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+import gradio as gr
+from sentence_transformers import SentenceTransformer,util
+
+model = SentenceTransformer("sentence-transformers/clip-ViT-L-14")
+
+def predict(im1, im2):
+  sim=util.cos_sim(model.encode(im1),model.encode(im2)).item()
+  if sim > 0.8:
+    return sim, "SAME PERSON, UNLOCK PHONE"
+  else:
+    return sim, "DIFFERENT PEOPLE, DON'T UNLOCK"
+
+interface = gr.Interface(fn=predict, 
+                         inputs= [gr.Image(type="pil", source="webcam"), 
+                                  gr.Image(type="pil", source="webcam")], 
+                         outputs= [gr.Number(label="Similarity"),
+                                   gr.Textbox(label="Message")]
+                         )
+interface.launch()

requirements.txt

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+gradio
+sentence_transformers