Update app.py

app.py

@@ -43,7 +43,7 @@ def high_freq_artifacts(image):
     return high_ratio
 
 # ----------------------------
-# DETEKSI AI HYBRID SENSITIF
+# DETEKSI AI HYBRID ADAPTIF
 # ----------------------------
 def detect_image(image: Image.Image):
     blur_score = calculate_blur(image)
@@ -51,10 +51,17 @@ def detect_image(image: Image.Image):
     exif_present = has_camera_exif(image)
     high_freq_score = high_freq_artifacts(image)
 
-    # ---------- Aturan tegas & sensitif ----------
-    # Foto asli aman jika memiliki metadata atau noise > 10
+    # ---------- Scoring adaptif ----------
+    # Normalisasi high_freq_score ke 0-10
+    hf_norm = min(high_freq_score / 10, 10)
+    # Noise invers (AI biasanya noise rendah)
+    noise_norm = max(0, 12 - noise_score)
+    # Weighted score
+    weighted_score = 0.5 * hf_norm + 0.5 * noise_norm
+
+    # Kondisi tegas: threshold > 5 → AI
     is_ai = False
-    if (not exif_present) and (noise_score < 8) and (blur_score < 120) and (high_freq_score > 20):
+    if not exif_present and weighted_score > 5 and blur_score < 150:
         is_ai = True
 
     final_result = "🤖 AI Detected" if is_ai else "✅ Foto Asli"
@@ -64,6 +71,7 @@ def detect_image(image: Image.Image):
         f"Blur Score: {blur_score:.2f}",
         f"Noise Score: {noise_score:.2f}",
         f"High-Freq Artifacts Score: {high_freq_score:.2f}",
+        f"Weighted Score: {weighted_score:.2f}",
         f"Metadata Kamera: {'Ada' if exif_present else 'Tidak Ada'}"
     ]
 
@@ -72,7 +80,7 @@ def detect_image(image: Image.Image):
 # ----------------------------
 # GRADIO INTERFACE
 # ----------------------------
-with gr.Blocks(title="Hybrid AI Realistic Detector (Sensitif & Tegas)") as demo:
+with gr.Blocks(title="Hybrid AI Realistic Detector (Adaptif & Tegas)") as demo:
     gr.Markdown("Unggah gambar, sistem akan mendeteksi apakah gambar kemungkinan besar asli atau dihasilkan AI.")
     with gr.Row():
         img_input = gr.Image(type="pil", label="Unggah Gambar")