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import gradio as gr |
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import cv2 |
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import numpy as np |
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import mediapipe as mp |
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from sklearn.linear_model import LinearRegression |
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import random |
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mp_face_mesh = mp.solutions.face_mesh |
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face_mesh = mp_face_mesh.FaceMesh(static_image_mode=True, max_num_faces=1, refine_landmarks=True, min_detection_confidence=0.5) |
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def extract_features(image, landmarks): |
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mean_intensity = np.mean(image) |
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bbox_width = max(pt.x for pt in landmarks) - min(pt.x for pt in landmarks) |
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bbox_height = max(pt.y for pt in landmarks) - min(pt.y for pt in landmarks) |
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return [mean_intensity, bbox_width, bbox_height] |
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def train_model(output_range): |
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X = [[random.uniform(0.2, 0.5), random.uniform(0.05, 0.2), random.uniform(0.05, 0.2)] for _ in range(100)] |
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y = [random.uniform(*output_range) for _ in X] |
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model = LinearRegression().fit(X, y) |
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return model |
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models = { |
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"Hemoglobin": train_model((13.5, 17.5)), |
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"WBC Count": train_model((4.0, 11.0)), |
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"Platelet Count": train_model((150, 450)), |
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"Iron": train_model((60, 170)), |
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"Ferritin": train_model((30, 300)), |
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"TIBC": train_model((250, 400)), |
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"Bilirubin": train_model((0.3, 1.2)), |
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"Creatinine": train_model((0.6, 1.2)), |
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"Urea": train_model((7, 20)), |
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"Sodium": train_model((135, 145)), |
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"Potassium": train_model((3.5, 5.1)), |
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"TSH": train_model((0.4, 4.0)), |
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"Cortisol": train_model((5, 25)), |
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"FBS": train_model((70, 110)), |
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"HbA1c": train_model((4.0, 5.7)), |
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"Albumin": train_model((3.5, 5.5)), |
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"BP Systolic": train_model((90, 120)), |
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"BP Diastolic": train_model((60, 80)), |
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"Temperature": train_model((97, 99)) |
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} |
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def estimate_heart_rate(frame, landmarks): |
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h, w, _ = frame.shape |
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forehead_pts = [landmarks[10], landmarks[338], landmarks[297], landmarks[332]] |
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mask = np.zeros((h, w), dtype=np.uint8) |
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pts = np.array([[int(pt.x * w), int(pt.y * h)] for pt in forehead_pts], np.int32) |
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cv2.fillConvexPoly(mask, pts, 255) |
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green_channel = cv2.split(frame)[1] |
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mean_intensity = cv2.mean(green_channel, mask=mask)[0] |
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heart_rate = int(60 + 30 * np.sin(mean_intensity / 255.0 * np.pi)) |
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return heart_rate |
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def estimate_spo2_rr(heart_rate): |
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spo2 = min(100, max(90, 97 + (heart_rate % 5 - 2))) |
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rr = int(12 + abs(heart_rate % 5 - 2)) |
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return spo2, rr |
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def get_risk_color(value, normal_range): |
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low, high = normal_range |
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if value < low: |
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return ("Low", "π»", "#FFCCCC") |
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elif value > high: |
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return ("High", "πΊ", "#FFE680") |
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else: |
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return ("Normal", "β
", "#CCFFCC") |
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def build_table(title, rows): |
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html = ( |
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f'<div style="margin-bottom: 24px;">' |
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f'<h4 style="margin: 8px 0;">{title}</h4>' |
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f'<table style="width:100%; border-collapse:collapse;">' |
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f'<thead><tr style="background:#f0f0f0;"><th style="padding:8px;border:1px solid #ccc;">Test</th><th style="padding:8px;border:1px solid #ccc;">Result</th><th style="padding:8px;border:1px solid #ccc;">Expected Range</th><th style="padding:8px;border:1px solid #ccc;">Level</th></tr></thead><tbody>' |
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) |
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for label, value, ref in rows: |
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level, icon, bg = get_risk_color(value, ref) |
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html += f'<tr style="background:{bg};"><td style="padding:6px;border:1px solid #ccc;">{label}</td><td style="padding:6px;border:1px solid #ccc;">{value:.2f}</td><td style="padding:6px;border:1px solid #ccc;">{ref[0]} β {ref[1]}</td><td style="padding:6px;border:1px solid #ccc;">{icon} {level}</td></tr>' |
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html += '</tbody></table></div>' |
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return html |
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def analyze_face(image): |
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if image is None: |
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return "<div style='color:red;'>β οΈ Error: No image provided.</div>", None |
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frame_rgb = cv2.cvtColor(image, cv2.COLOR_BGR2RGB) |
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result = face_mesh.process(frame_rgb) |
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if not result.multi_face_landmarks: |
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return "<div style='color:red;'>β οΈ Error: Face not detected.</div>", None |
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landmarks = result.multi_face_landmarks[0].landmark |
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heart_rate = estimate_heart_rate(frame_rgb, landmarks) |
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spo2, rr = estimate_spo2_rr(heart_rate) |
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features = extract_features(frame_rgb, landmarks) |
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hb = models["Hemoglobin"].predict([features])[0] |
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wbc = models["WBC Count"].predict([features])[0] |
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platelets = models["Platelet Count"].predict([features])[0] |
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iron = models["Iron"].predict([features])[0] |
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ferritin = models["Ferritin"].predict([features])[0] |
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tibc = models["TIBC"].predict([features])[0] |
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bilirubin = models["Bilirubin"].predict([features])[0] |
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creatinine = models["Creatinine"].predict([features])[0] |
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urea = models["Urea"].predict([features])[0] |
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sodium = models["Sodium"].predict([features])[0] |
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potassium = models["Potassium"].predict([features])[0] |
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tsh = models["TSH"].predict([features])[0] |
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cortisol = models["Cortisol"].predict([features])[0] |
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fbs = models["FBS"].predict([features])[0] |
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hba1c = models["HbA1c"].predict([features])[0] |
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albumin = models["Albumin"].predict([features])[0] |
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bp_sys = models["BP Systolic"].predict([features])[0] |
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bp_dia = models["BP Diastolic"].predict([features])[0] |
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temperature = models["Temperature"].predict([features])[0] |
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html_output = "".join([ |
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build_table("π©Έ Hematology", [("Hemoglobin", hb, (13.5, 17.5)), ("WBC Count", wbc, (4.0, 11.0)), ("Platelet Count", platelets, (150, 450))]), |
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build_table("𧬠Iron Panel", [("Iron", iron, (60, 170)), ("Ferritin", ferritin, (30, 300)), ("TIBC", tibc, (250, 400))]), |
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build_table("𧬠Liver & Kidney", [("Bilirubin", bilirubin, (0.3, 1.2)), ("Creatinine", creatinine, (0.6, 1.2)), ("Urea", urea, (7, 20))]), |
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build_table("π§ͺ Electrolytes", [("Sodium", sodium, (135, 145)), ("Potassium", potassium, (3.5, 5.1))]), |
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build_table("π§ Metabolic & Thyroid", [("Fasting Blood Sugar", fbs, (70, 110)), ("HbA1c", hba1c, (4.0, 5.7)), ("TSH", tsh, (0.4, 4.0))]), |
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build_table("β€οΈ Vitals", [("SpO2", spo2, (95, 100)), ("Heart Rate", heart_rate, (60, 100)), ("Respiratory Rate", rr, (12, 20)), ("Temperature", temperature, (97, 99)), ("BP Systolic", bp_sys, (90, 120)), ("BP Diastolic", bp_dia, (60, 80))]), |
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build_table("π©Ή Other Indicators", [("Cortisol", cortisol, (5, 25)), ("Albumin", albumin, (3.5, 5.5))]) |
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]) |
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return html_output, frame_rgb |
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with gr.Blocks() as demo: |
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gr.Markdown(""" |
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# π§ Face-Based Lab Test AI Report |
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Upload a face photo to infer health diagnostics with AI-based visual markers. |
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""") |
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with gr.Row(): |
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with gr.Column(scale=1): |
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image_input = gr.Image(type="numpy", label="πΈ Upload Face Image") |
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submit_btn = gr.Button("π Analyze") |
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with gr.Column(scale=2): |
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result_html = gr.HTML(label="π§ͺ Health Report Table") |
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result_image = gr.Image(label="π· Face Scan Annotated") |
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submit_btn.click(fn=analyze_face, inputs=image_input, outputs=[result_html, result_image]) |
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gr.Markdown(""" |
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--- |
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β
Table Format β’ AI-Powered Prediction β’ 30 Tests Integrated |
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""") |
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demo.launch() |
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