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Update src/streamlit_app.py
Browse files- src/streamlit_app.py +22 -5
src/streamlit_app.py
CHANGED
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@@ -34,7 +34,7 @@ if uploaded_video is not None:
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# Inisialisasi hitungan emosi
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emotion_counts = {
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"Happy": 0, "Neutral": 0, "Angry": 0,
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"Sad": 0, "Surprised": 0, "Fear": 0, "Disgust": 0
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}
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total_detections = 0
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@@ -48,6 +48,10 @@ if uploaded_video is not None:
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frame_idx = 0
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# 3. PROSES LOOPING VIDEO (TWO-STAGE DETECTION + TRACKING)
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while cap.isOpened():
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ret, frame = cap.read()
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@@ -57,8 +61,18 @@ if uploaded_video is not None:
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frame_idx += 1
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progress_bar.progress(frame_idx / total_frames)
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# --- TAHAP 1: Deteksi & Lacak Wajah dengan YOLOv11-Face Tracking ---
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# Menggunakan .track() dan persist=True agar ID wajah tetap konsisten antar frame
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face_results = face_model.track(frame, conf=0.4, persist=True, verbose=False)
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for r_face in face_results:
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@@ -74,6 +88,10 @@ if uploaded_video is not None:
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# Ambil koordinat kotak pembatas
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x1, y1, x2, y2 = map(int, box)
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# Potong area wajah dari frame (Crop)
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face_crop = frame[y1:y2, x1:x2]
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@@ -103,12 +121,11 @@ if uploaded_video is not None:
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# --- 4. TAMPILKAN RINGKASAN DATA (TERMASUK TOTAL WAJAH) ---
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st.subheader("Ringkasan Hasil Analisis")
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# Menggunakan kolom metrik Streamlit agar terlihat profesional
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col1, col2 = st.columns(2)
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with col1:
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st.metric(label="Total Wajah/Siswa Terdeteksi", value=f"{len(unique_face_ids)} Orang")
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with col2:
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st.metric(label="Total Deteksi Emosi (
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st.write("---")
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@@ -171,4 +188,4 @@ if uploaded_video is not None:
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"memperlambat tempo penjelasan pada pertemuan berikutnya."
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)
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else:
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st.error("❌ Tidak ada wajah siswa yang terdeteksi di dalam video. Pastikan kualitas video cukup jelas.")
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# Inisialisasi hitungan emosi
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emotion_counts = {
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"Happy": 0, "Neutral": 0, "Angry": 0,
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"Sad": 0, "Surprised": 0, "Fear": 0, "Disgust": 0
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}
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total_detections = 0
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frame_idx = 0
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# --- KONFIGURASI OPTIMASI CPU ---
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FRAME_SKIP = 5 # Analisis 1 dari setiap 5 frame (Mempercepat hingga 5x lipat)
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TARGET_WIDTH = 640 # Mengecilkan resolusi frame agar inferensi YOLO jauh lebih ringan
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# 3. PROSES LOOPING VIDEO (TWO-STAGE DETECTION + TRACKING)
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while cap.isOpened():
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ret, frame = cap.read()
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frame_idx += 1
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progress_bar.progress(frame_idx / total_frames)
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# --- OPTIMASI 1: FRAME SKIPPING ---
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if frame_idx % FRAME_SKIP != 0:
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continue # Lewati deteksi YOLO pada frame ini untuk menghemat CPU
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# --- OPTIMASI 2: RESIZE FRAME ---
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# Menjaga aspek rasio video tetap proporsional saat diperkecil
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h, w = frame.shape[:2]
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aspect_ratio = h / w
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target_height = int(TARGET_WIDTH * aspect_ratio)
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frame = cv2.resize(frame, (TARGET_WIDTH, target_height))
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# --- TAHAP 1: Deteksi & Lacak Wajah dengan YOLOv11-Face Tracking ---
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face_results = face_model.track(frame, conf=0.4, persist=True, verbose=False)
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for r_face in face_results:
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# Ambil koordinat kotak pembatas
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x1, y1, x2, y2 = map(int, box)
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# Pastikan koordinat berada di dalam batas frame setelah di-resize
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x1, y1 = max(0, x1), max(0, y1)
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x2, y2 = min(TARGET_WIDTH, x2), min(target_height, y2)
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# Potong area wajah dari frame (Crop)
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face_crop = frame[y1:y2, x1:x2]
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# --- 4. TAMPILKAN RINGKASAN DATA (TERMASUK TOTAL WAJAH) ---
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st.subheader("Ringkasan Hasil Analisis")
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col1, col2 = st.columns(2)
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with col1:
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st.metric(label="Total Wajah/Siswa Terdeteksi", value=f"{len(unique_face_ids)} Orang")
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with col2:
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st.metric(label="Total Deteksi Emosi (Sampel Terpilih)", value=f"{total_detections} Kali")
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st.write("---")
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"memperlambat tempo penjelasan pada pertemuan berikutnya."
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)
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else:
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st.error("❌ Tidak ada wajah siswa yang terdeteksi di dalam video. Pastikan kualitas video cukup jelas.")
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