File size: 8,843 Bytes
69def8e
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
import streamlit as st
import os
import sys
import time
import tempfile
import pandas as pd
from PIL import Image
import numpy as np

# Add workspace to path
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))

from src.embedding import FaceEmbedder
from scripts.inference import run_inference

# Page configuration
st.set_page_config(
    page_title="FaceID - Milestone 4 Dashboard",
    page_icon="🛡️",
    layout="wide",
    initial_sidebar_state="expanded"
)

# Custom CSS for "Premium" look
st.markdown("""
<style>
    @import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Inter:wght@300;400;600&display=swap');
    
    .stApp {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        color: #f8fafc;
    }
    
    .main-title {
        font-family: 'Orbitron', sans-serif;
        font-size: 3rem;
        background: linear-gradient(90deg, #38bdf8, #818cf8);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        text-align: center;
        margin-bottom: 0.2rem;
    }
    
    .sub-title {
        font-family: 'Inter', sans-serif;
        text-align: center;
        color: #94a3b8;
        margin-bottom: 2rem;
    }
    
    .glass-card {
        background: rgba(30, 41, 59, 0.7);
        backdrop-filter: blur(10px);
        border-radius: 1rem;
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .match-dec {
        font-family: 'Orbitron', sans-serif;
        font-size: 2rem;
        text-align: center;
        padding: 0.8rem;
        border-radius: 0.5rem;
        margin-top: 1rem;
    }
    
    .same { color: #4ade80; border: 2px solid #4ade80; background: rgba(74, 222, 128, 0.1); }
    .diff { color: #f87171; border: 2px solid #f87171; background: rgba(248, 113, 113, 0.1); }
    
    .stMarkdown pre {
        background-color: rgba(0, 0, 0, 0.3) !important;
        color: #e2e8f0 !important;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
</style>
""", unsafe_allow_html=True)

# Singleton Model Loader
@st.cache_resource
def get_embedder():
    return FaceEmbedder(model_name="Facenet")

def save_uploaded_file(uploaded_file):
    try:
        with tempfile.NamedTemporaryFile(delete=False, suffix=".jpg") as tmp_file:
            tmp_file.write(uploaded_file.getvalue())
            return tmp_file.name
    except Exception as e:
        st.error(f"Error saving file: {e}")
        return None

def load_markdown(path):
    if os.path.exists(path):
        with open(path, 'r', encoding='utf-8') as f:
            return f.read()
    return "File not found."

def main():
    st.markdown("<h1 class='main-title'>FaceID Final Release</h1>", unsafe_allow_html=True)
    st.markdown("<p class='sub-title'>Milestone 4: Hardware-Aware Inference & Professional Documentation</p>", unsafe_allow_html=True)
    
    # Tabs for different sections
    tab1, tab2, tab3, tab4 = st.tabs(["🚀 Real-time Inference", "📊 Performance Insights", "🛡️ System Card", "📈 Final Metrics"])
    
    # --- TAB 1: INFERENCE ---
    with tab1:
        # Sample selection
        st.markdown("### 🧬 Quick Select Samples")
        samples = {
            "Custom Upload": (None, None),
            "Same Person (Albrecht Mentz)": (
                "data/lfw/test/Albrecht_Mentz/Albrecht_Mentz_0000.jpg",
                "data/lfw/test/Albrecht_Mentz/Albrecht_Mentz_0001.jpg"
            ),
            "Same Person (Alejandro Toledo)": (
                "data/lfw/test/Alejandro_Toledo/Alejandro_Toledo_0000.jpg",
                "data/lfw/test/Alejandro_Toledo/Alejandro_Toledo_0001.jpg"
            ),
            "Different People (Albrecht vs Alejandro)": (
                "data/lfw/test/Albrecht_Mentz/Albrecht_Mentz_0000.jpg",
                "data/lfw/test/Alejandro_Toledo/Alejandro_Toledo_0000.jpg"
            )
        }
        sample_choice = st.selectbox("Pick a pre-loaded pair or use your own:", list(samples.keys()))
        
        col1, col2 = st.columns([1, 1])
        s_img1, s_img2 = samples[sample_choice]
        
        with col1:
            st.markdown("<div class='glass-card'>", unsafe_allow_html=True)
            st.subheader("Subject A")
            if s_img1:
                st.image(s_img1, width='stretch')
                file1 = s_img1
            else:
                file1_up = st.file_uploader("Upload image 1", type=['jpg', 'jpeg', 'png'], key="app_img1")
                if file1_up: 
                    st.image(file1_up, width='stretch')
                    file1 = save_uploaded_file(file1_up)
                else: file1 = None
            st.markdown("</div>", unsafe_allow_html=True)
            
        with col2:
            st.markdown("<div class='glass-card'>", unsafe_allow_html=True)
            st.subheader("Subject B")
            if s_img2:
                st.image(s_img2, width='stretch')
                file2 = s_img2
            else:
                file2_up = st.file_uploader("Upload image 2", type=['jpg', 'jpeg', 'png'], key="app_img2")
                if file2_up: 
                    st.image(file2_up, width='stretch')
                    file2 = save_uploaded_file(file2_up)
                else: file2 = None
            st.markdown("</div>", unsafe_allow_html=True)
            
        threshold = st.slider("Verification Threshold", 0.0, 1.0, 0.35, 0.01)
        
        if st.button("Run Verification", use_container_width=True, type="primary"):
            if file1 and file2:
                with st.spinner("Analyzing..."):
                    embedder = get_embedder()
                    try:
                        res = run_inference(file1, file2, threshold, embedder=embedder)
                        cls = "same" if res['decision'] == "SAME" else "diff"
                        st.markdown(f"<div class='match-dec {cls}'>{res['decision']} (Confidence: {res['confidence']*100:.1f}%)</div>", unsafe_allow_html=True)
                        
                        m1, m2, m3 = st.columns(3)
                        m1.metric("Similarity Score", f"{res['similarity_score']:.4f}")
                        m2.metric("Total Latency", f"{res['latency_total_ms']:.1f}ms")
                        m3.metric("Extraction Time", f"{res['latency_emb_ms']:.1f}ms")
                    except Exception as e:
                        st.error(f"Inference error: {e}")
                    finally:
                        # Only cleanup if it was a temp file from upload
                        if isinstance(file1, str) and "tmp" in file1 and os.path.exists(file1): os.remove(file1)
                        if isinstance(file2, str) and "tmp" in file2 and os.path.exists(file2): os.remove(file2)
            else:
                st.warning("Please upload images or select a sample.")

    # --- TAB 2: PERFORMANCE ---
    with tab2:
        st.subheader("Hardware-Aware Profiling Results")
        st.info("Measurements taken on local hardware to characterize CPU latency and throughput.")
        
        # Latency breakdown
        l_col1, l_col2 = st.columns(2)
        with l_col1:
            st.markdown("#### Latency Breakdown")
            latency_data = pd.DataFrame({
                "Stage": ["Preprocessing", "Embedding", "Similarity"],
                "Mean (ms)": [170.54, 237.70, 0.17]
            })
            st.bar_chart(latency_data.set_index("Stage"))
        
        with l_col2:
            st.markdown("#### Throughput by Batch Size")
            throughput_data = pd.DataFrame({
                "Batch Size": [1, 4, 8, 16],
                "FPS": [4.24, 4.31, 3.97, 4.10]
            })
            st.line_chart(throughput_data.set_index("Batch Size"))
            
        st.markdown("---")
        st.markdown("#### Profiling Summary")
        summary_txt = load_markdown("reports/profiling_summary.txt")
        # Use st.code for high contrast and readability
        st.code(summary_txt, language="markdown")

    # --- TAB 3: SYSTEM CARD ---
    with tab3:
        st.subheader("System Documentation")
        system_card = load_markdown("reports/System_Card.md")
        st.markdown(system_card)

    # --- TAB 4: FINAL METRICS ---
    with tab4:
        st.subheader("Final Evaluation Summary (Milestone 4)")
        e_col1, e_col2, e_col3 = st.columns(3)
        e_col1.metric("Accuracy", "84.6%")
        e_col2.metric("F1-Score", "0.8254")
        e_col3.metric("Pairs Evaluated", "500")
        
        st.markdown("#### ROC Curve Artifact")
        if os.path.exists("reports/roc_curve.png"):
            st.image("reports/roc_curve.png", caption="ROC Curve for Final Release Model")
        else:
            st.write("ROC curve image not found.")

if __name__ == "__main__":
    main()