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Update app.py
Browse files
app.py
CHANGED
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@@ -15,10 +15,10 @@ import logging
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from retrying import retry
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# ==========================
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#
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# ==========================
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CONFIG = {
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"MODEL_PATH": "yolov8_safety.pt",
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"FALLBACK_MODEL": "yolov8n.pt",
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"OUTPUT_DIR": "static/output",
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"VIOLATION_LABELS": {
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@@ -28,7 +28,7 @@ CONFIG = {
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3: "unsafe_zone",
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4: "improper_tool_use"
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},
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"CLASS_COLORS": {
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"no_helmet": (0, 0, 255), # Red
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"no_harness": (0, 165, 255), # Orange
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"unsafe_posture": (0, 255, 0), # Green
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@@ -37,267 +37,221 @@ CONFIG = {
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},
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"DISPLAY_NAMES": {
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"no_helmet": "No Helmet",
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"no_harness": "No Harness",
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"unsafe_posture": "Unsafe Posture",
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"unsafe_zone": "Unsafe Zone",
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"improper_tool_use": "Improper Tool Use"
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},
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"SF_CREDENTIALS": {
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"username": "prashanth1ai@safety.com",
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"password": "SaiPrash461",
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"security_token": "AP4AQnPoidIKPvSvNEfAHyoK",
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"domain": "login"
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},
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"PUBLIC_URL_BASE": "https://huggingface.co/spaces/PrashanthB461/AI_Safety_Demo2/resolve/main/static/output/",
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"FRAME_SKIP":
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"MAX_PROCESSING_TIME": 60,
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"CONFIDENCE_THRESHOLD": {
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"no_helmet": 0.4,
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"no_harness": 0.3,
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"unsafe_posture": 0.25,
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"unsafe_zone": 0.3,
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"improper_tool_use": 0.35
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},
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"IOU_THRESHOLD": 0.4,
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"MIN_VIOLATION_FRAMES": 3
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"MIN_VIOLATION_DURATION": 1.5
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}
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#
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logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
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logger = logging.getLogger(__name__)
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os.makedirs(CONFIG["OUTPUT_DIR"], exist_ok=True)
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device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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logger.info(f"Using device: {device}")
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def load_model():
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try:
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if os.path.
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model = YOLO(CONFIG["MODEL_PATH"]).to(device)
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logger.info("Loaded custom safety model")
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else:
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model = YOLO(CONFIG["FALLBACK_MODEL"]).to(device)
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logger.warning("Using fallback model
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return model
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except Exception as e:
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logger.error(f"Model
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raise
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model = load_model()
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def draw_detections(frame, detections):
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"""Draw bounding boxes with labels
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for det in detections:
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label = det["violation"]
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x1, y1 = int(x - w/2), int(y - h/2)
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x2, y2 = int(x + w/2), int(y + h/2)
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cv2.rectangle(frame, (x1, y1), (x2, y2), color, 2)
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(text_width, text_height), _ = cv2.getTextSize(label_text, cv2.FONT_HERSHEY_SIMPLEX, 0.5, 1)
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cv2.rectangle(frame, (x1, y1 - text_height - 10), (x1 + text_width, y1), color, -1)
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cv2.putText(frame, label_text, (x1, y1 - 5), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255, 255, 255), 1)
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return frame
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def calculate_iou(box1, box2):
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"""
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def generate_violation_pdf(violations, score):
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try:
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pdf_filename = f"violations_{int(time.time())}.pdf"
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pdf_path = os.path.join(CONFIG["OUTPUT_DIR"], pdf_filename)
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pdf_file = BytesIO()
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c = canvas.Canvas(pdf_file, pagesize=letter)
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c.setFont("Helvetica-Bold", 14)
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c.drawString(1 * inch, 10.5 * inch, "Worksite Safety Violation Report")
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c.setFont("Helvetica", 12)
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report_data = [
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("Compliance Score", f"{score}%"),
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("Total Violations", len(violations)),
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("
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]
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y_position -= 0.4 * inch
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y_position -= 0.2 * inch
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c.line(1 * inch, y_position, 7.5 * inch, y_position)
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y_position -= 0.3 * inch
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c.setFont("Helvetica-Bold", 12)
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c.drawString(1 * inch,
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y_position -= 0.3 * inch
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c.setFont("Helvetica", 10)
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if not violations:
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c.drawString(1 * inch,
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else:
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for v in violations:
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f"{CONFIG['DISPLAY_NAMES'].get(v['violation'], v['violation'])} "
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f"at {v['timestamp']:.2f}s (Confidence: {v['confidence']:.2f}
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f"Worker: {v['worker_id']})"
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)
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c.drawString(1 * inch,
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if
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c.showPage()
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c.setFont("Helvetica", 10)
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c.save()
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pdf_file.seek(0)
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with open(pdf_path, "wb") as f:
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f.write(pdf_file.getvalue())
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public_url = f"{CONFIG['PUBLIC_URL_BASE']}{pdf_filename}"
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logger.info(f"Generated PDF report: {public_url}")
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return pdf_path, public_url, pdf_file
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except Exception as e:
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logger.error(f"PDF generation failed: {
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return
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@retry(stop_max_attempt_number=3, wait_fixed=2000)
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def connect_to_salesforce():
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try:
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sf = Salesforce(**CONFIG["SF_CREDENTIALS"])
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logger.info("Connected to Salesforce")
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return sf
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except Exception as e:
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logger.error(f"Salesforce connection failed: {str(e)}")
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raise
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def upload_pdf_to_salesforce(sf, pdf_file, report_id):
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try:
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encoded_pdf = base64.b64encode(pdf_file.getvalue()).decode('utf-8')
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content_version = sf.ContentVersion.create({
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"Title": f"Safety_Report_{int(time.time())}",
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"PathOnClient": "safety_report.pdf",
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"VersionData": encoded_pdf,
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"FirstPublishLocationId": report_id
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})
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return f"https://{sf.sf_instance}/sfc/servlet.shepherd/version/download/{content_version['id']}"
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except Exception as e:
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logger.error(f"PDF upload failed: {str(e)}")
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return ""
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def push_report_to_salesforce(violations, score,
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try:
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sf = connect_to_salesforce()
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violations_text = "\n".join(
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f"
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f"at {v['timestamp']:.2f}s (
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for v in violations
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) or "No violations detected"
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record_data = {
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"Compliance_Score__c": score,
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"Violations_Found__c": len(violations),
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"Violations_Details__c": violations_text,
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"Status__c": "
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}
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record = sf.Safety_Video_Report__c.create(record_data)
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record_id = record["id"]
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logger.info(f"Created Salesforce record: {record_id}")
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except Exception as e:
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logger.error(f"Failed to create Safety Report: {str(e)}")
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record = sf.Account.create({"Name": f"Safety_Report_{int(time.time())}"})
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record_id = record["id"]
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logger.warning(f"Created fallback Account record: {record_id}")
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pdf_url = ""
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if pdf_file:
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return record_id, pdf_url
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except Exception as e:
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logger.error(f"Salesforce
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return None, ""
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"unsafe_zone": 35,
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"improper_tool_use": 25
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}
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unique_violations = {(v["worker_id"], v["violation"]) for v in violations}
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total_penalty = sum(penalties.get(v[1], 0) for v in unique_violations)
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return max(100 - total_penalty, 0)
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def process_video(video_data):
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try:
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with open(temp_video_path, "wb") as f:
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f.write(video_data)
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cap = cv2.VideoCapture(temp_video_path)
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fps = cap.get(cv2.CAP_PROP_FPS) or 30
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height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
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workers = []
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violations = []
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snapshots = []
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snapshot_taken = {
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frame_count = 0
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start_time = time.time()
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while cap.isOpened():
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ret, frame = cap.read()
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if not ret:
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break
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if frame_count % CONFIG["FRAME_SKIP"] != 0:
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frame_count += 1
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continue
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break
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current_time = frame_count / fps
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results = model(frame, device=device, verbose=False)
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for result in results:
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for box in result.boxes:
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if not label or conf < CONFIG["CONFIDENCE_THRESHOLD"].get(label, 0.3):
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continue
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bbox = box.xywh.cpu().numpy()[0].tolist()
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matched_worker = None
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max_iou = 0
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for worker in workers:
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iou = calculate_iou(
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if iou > max_iou and iou > CONFIG["IOU_THRESHOLD"]:
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max_iou = iou
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matched_worker = worker
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if matched_worker:
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worker_id = matched_worker["id"]
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matched_worker["bbox"] = bbox
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matched_worker["last_seen"] = current_time
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else:
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worker_id = len(workers) + 1
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workers.append({
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"id": worker_id,
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"bbox": bbox,
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"first_seen": current_time,
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"last_seen": current_time
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})
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frame_count += 1
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for violation_type, detections in violation_history.items():
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if not detections:
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continue
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worker_groups = {}
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for det in detections:
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if det["worker_id"] not in worker_groups:
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worker_groups[det["worker_id"]] = []
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worker_groups[det["worker_id"]].append(det)
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for worker_id, worker_dets in worker_groups.items():
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if len(worker_dets) < 2:
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continue
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duration = worker_dets[-1]["timestamp"] - worker_dets[0]["timestamp"]
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if duration >= CONFIG["MIN_VIOLATION_DURATION"]:
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best_det = max(worker_dets, key=lambda x: x["confidence"])
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violations.append(best_det)
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if not snapshot_taken[violation_type]:
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cap.set(cv2.CAP_PROP_POS_FRAMES, best_det["frame"])
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ret, snapshot_frame = cap.read()
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if ret:
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snapshot_frame = draw_detections(snapshot_frame, [best_det])
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filename = f"{violation_type}_{best_det['frame']}.jpg"
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path = os.path.join(CONFIG["OUTPUT_DIR"], filename)
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cv2.imwrite(path, snapshot_frame)
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snapshots.append({
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"violation": violation_type,
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"frame": best_det["frame"],
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"path": path,
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"url": f"{CONFIG['PUBLIC_URL_BASE']}{filename}"
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})
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snapshot_taken[violation_type] = True
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cap.release()
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os.remove(temp_video_path)
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return {
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"violations":
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"snapshots": snapshots,
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"score":
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"salesforce_record_id": record_id,
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"violation_details_url": sf_url or pdf_url,
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"message": ""
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}
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except Exception as e:
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logger.error(f"Video processing failed: {
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return {
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"violations": [],
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"snapshots": [],
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"score": 100,
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"salesforce_record_id": None,
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"violation_details_url": "",
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"message": f"Error: {str(e)}"
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}
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try:
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violation_table = (
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"| Violation Type
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"|---------------------|-----------|------------|-----------|\n" +
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"\n".join(
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f"| {CONFIG['DISPLAY_NAMES'].get(v['violation'], v['violation']):<
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f"{v['timestamp']:.2f}
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f"{v['confidence']:.2f} | "
|
| 421 |
-
f"{v['worker_id']} |"
|
| 422 |
for v in result["violations"]
|
| 423 |
-
)
|
| 424 |
-
)
|
| 425 |
|
| 426 |
snapshots_md = "\n".join(
|
| 427 |
-
f"
|
|
|
|
| 428 |
for s in result["snapshots"]
|
| 429 |
-
) if result["snapshots"] else "No snapshots"
|
| 430 |
|
| 431 |
-
|
| 432 |
violation_table,
|
| 433 |
f"Safety Score: {result['score']}%",
|
| 434 |
snapshots_md,
|
| 435 |
-
f"Salesforce
|
| 436 |
-
|
| 437 |
)
|
| 438 |
except Exception as e:
|
| 439 |
-
|
| 440 |
-
yield f"Error: {str(e)}", "", "", "", ""
|
| 441 |
|
|
|
|
| 442 |
interface = gr.Interface(
|
| 443 |
-
fn=
|
| 444 |
inputs=gr.Video(label="Upload Site Video"),
|
| 445 |
outputs=[
|
| 446 |
-
gr.Markdown(
|
| 447 |
-
gr.Textbox(label="
|
| 448 |
-
gr.Markdown(
|
| 449 |
-
gr.Textbox(label="Salesforce Record"),
|
| 450 |
gr.Textbox(label="Report URL")
|
| 451 |
],
|
| 452 |
-
title="AI Safety Compliance
|
| 453 |
-
description=
|
|
|
|
|
|
|
|
|
|
| 454 |
)
|
| 455 |
|
| 456 |
if __name__ == "__main__":
|
|
|
|
| 15 |
from retrying import retry
|
| 16 |
|
| 17 |
# ==========================
|
| 18 |
+
# Configuration
|
| 19 |
# ==========================
|
| 20 |
CONFIG = {
|
| 21 |
+
"MODEL_PATH": "yolov8_safety.pt", # Your custom-trained model
|
| 22 |
"FALLBACK_MODEL": "yolov8n.pt",
|
| 23 |
"OUTPUT_DIR": "static/output",
|
| 24 |
"VIOLATION_LABELS": {
|
|
|
|
| 28 |
3: "unsafe_zone",
|
| 29 |
4: "improper_tool_use"
|
| 30 |
},
|
| 31 |
+
"CLASS_COLORS": { # Bounding box colors
|
| 32 |
"no_helmet": (0, 0, 255), # Red
|
| 33 |
"no_harness": (0, 165, 255), # Orange
|
| 34 |
"unsafe_posture": (0, 255, 0), # Green
|
|
|
|
| 37 |
},
|
| 38 |
"DISPLAY_NAMES": {
|
| 39 |
"no_helmet": "No Helmet",
|
| 40 |
+
"no_harness": "No Safety Harness",
|
| 41 |
"unsafe_posture": "Unsafe Posture",
|
| 42 |
+
"unsafe_zone": "Unsafe Zone Entry",
|
| 43 |
"improper_tool_use": "Improper Tool Use"
|
| 44 |
},
|
| 45 |
+
"SF_CREDENTIALS": { # Salesforce credentials
|
| 46 |
"username": "prashanth1ai@safety.com",
|
| 47 |
"password": "SaiPrash461",
|
| 48 |
"security_token": "AP4AQnPoidIKPvSvNEfAHyoK",
|
| 49 |
"domain": "login"
|
| 50 |
},
|
| 51 |
"PUBLIC_URL_BASE": "https://huggingface.co/spaces/PrashanthB461/AI_Safety_Demo2/resolve/main/static/output/",
|
| 52 |
+
"FRAME_SKIP": 5, # Process every 5th frame (balance speed vs. accuracy)
|
| 53 |
+
"MAX_PROCESSING_TIME": 60, # Max processing time (seconds)
|
| 54 |
+
"CONFIDENCE_THRESHOLD": { # Per-class thresholds
|
| 55 |
"no_helmet": 0.4,
|
| 56 |
"no_harness": 0.3,
|
| 57 |
"unsafe_posture": 0.25,
|
| 58 |
"unsafe_zone": 0.3,
|
| 59 |
"improper_tool_use": 0.35
|
| 60 |
},
|
| 61 |
+
"IOU_THRESHOLD": 0.4, # For worker tracking
|
| 62 |
+
"MIN_VIOLATION_FRAMES": 3 # Min frames to confirm a violation
|
|
|
|
| 63 |
}
|
| 64 |
|
| 65 |
+
# Setup logging
|
| 66 |
logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
|
| 67 |
logger = logging.getLogger(__name__)
|
|
|
|
| 68 |
|
| 69 |
+
os.makedirs(CONFIG["OUTPUT_DIR"], exist_ok=True)
|
| 70 |
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
|
| 71 |
logger.info(f"Using device: {device}")
|
| 72 |
|
| 73 |
+
# ==========================
|
| 74 |
+
# Load YOLOv8 Model
|
| 75 |
+
# ==========================
|
| 76 |
def load_model():
|
| 77 |
try:
|
| 78 |
+
if os.path.isfile(CONFIG["MODEL_PATH"]):
|
| 79 |
model = YOLO(CONFIG["MODEL_PATH"]).to(device)
|
| 80 |
logger.info("Loaded custom safety model")
|
| 81 |
else:
|
| 82 |
model = YOLO(CONFIG["FALLBACK_MODEL"]).to(device)
|
| 83 |
+
logger.warning("Using fallback model (lower accuracy)")
|
| 84 |
return model
|
| 85 |
except Exception as e:
|
| 86 |
+
logger.error(f"Model load failed: {e}")
|
| 87 |
raise
|
| 88 |
|
| 89 |
model = load_model()
|
| 90 |
|
| 91 |
+
# ==========================
|
| 92 |
+
# Core Detection Functions
|
| 93 |
+
# ==========================
|
| 94 |
def draw_detections(frame, detections):
|
| 95 |
+
"""Draw bounding boxes with labels on frame."""
|
| 96 |
for det in detections:
|
| 97 |
label = det["violation"]
|
| 98 |
+
conf = det["confidence"]
|
| 99 |
+
x, y, w, h = det["bounding_box"]
|
|
|
|
| 100 |
x1, y1 = int(x - w/2), int(y - h/2)
|
| 101 |
x2, y2 = int(x + w/2), int(y + h/2)
|
| 102 |
|
| 103 |
+
color = CONFIG["CLASS_COLORS"].get(label, (0, 0, 255))
|
| 104 |
cv2.rectangle(frame, (x1, y1), (x2, y2), color, 2)
|
| 105 |
+
cv2.putText(frame, f"{label}: {conf:.2f}", (x1, y1-10),
|
| 106 |
+
cv2.FONT_HERSHEY_SIMPLEX, 0.5, color, 2)
|
|
|
|
|
|
|
|
|
|
| 107 |
return frame
|
| 108 |
|
| 109 |
def calculate_iou(box1, box2):
|
| 110 |
+
"""Compute Intersection-over-Union for tracking."""
|
| 111 |
+
x1, y1, w1, h1 = box1
|
| 112 |
+
x2, y2, w2, h2 = box2
|
| 113 |
+
x_min = max(x1 - w1/2, x2 - w2/2)
|
| 114 |
+
y_min = max(y1 - h1/2, y2 - h2/2)
|
| 115 |
+
x_max = min(x1 + w1/2, x2 + w2/2)
|
| 116 |
+
y_max = min(y1 + h1/2, y2 + h2/2)
|
| 117 |
+
intersection = max(0, x_max - x_min) * max(0, y_max - y_min)
|
| 118 |
+
union = w1 * h1 + w2 * h2 - intersection
|
| 119 |
+
return intersection / union if union > 0 else 0
|
| 120 |
+
|
| 121 |
+
# ==========================
|
| 122 |
+
# Salesforce Integration
|
| 123 |
+
# ==========================
|
| 124 |
+
@retry(stop_max_attempt_number=3, wait_fixed=2000)
|
| 125 |
+
def connect_to_salesforce():
|
| 126 |
+
try:
|
| 127 |
+
sf = Salesforce(**CONFIG["SF_CREDENTIALS"])
|
| 128 |
+
logger.info("Salesforce connection successful")
|
| 129 |
+
return sf
|
| 130 |
+
except Exception as e:
|
| 131 |
+
logger.error(f"Salesforce login failed: {e}")
|
| 132 |
+
raise
|
| 133 |
|
| 134 |
def generate_violation_pdf(violations, score):
|
| 135 |
+
"""Generate PDF report with violations."""
|
| 136 |
try:
|
|
|
|
|
|
|
| 137 |
pdf_file = BytesIO()
|
|
|
|
| 138 |
c = canvas.Canvas(pdf_file, pagesize=letter)
|
| 139 |
c.setFont("Helvetica-Bold", 14)
|
| 140 |
c.drawString(1 * inch, 10.5 * inch, "Worksite Safety Violation Report")
|
| 141 |
c.setFont("Helvetica", 12)
|
| 142 |
|
| 143 |
+
# Report metadata
|
| 144 |
+
y_pos = 9.8 * inch
|
| 145 |
report_data = [
|
| 146 |
("Compliance Score", f"{score}%"),
|
| 147 |
("Total Violations", len(violations)),
|
| 148 |
+
("Date", time.strftime("%Y-%m-%d")),
|
| 149 |
+
("Time", time.strftime("%H:%M:%S"))
|
| 150 |
]
|
| 151 |
+
for label, value in report_data:
|
| 152 |
+
c.drawString(1 * inch, y_pos, f"{label}: {value}")
|
| 153 |
+
y_pos -= 0.4 * inch
|
| 154 |
|
| 155 |
+
# Violation details
|
| 156 |
+
y_pos -= 0.3 * inch
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 157 |
c.setFont("Helvetica-Bold", 12)
|
| 158 |
+
c.drawString(1 * inch, y_pos, "Violation Details:")
|
|
|
|
| 159 |
c.setFont("Helvetica", 10)
|
| 160 |
+
y_pos -= 0.3 * inch
|
| 161 |
|
| 162 |
if not violations:
|
| 163 |
+
c.drawString(1 * inch, y_pos, "No violations detected.")
|
| 164 |
else:
|
| 165 |
for v in violations:
|
| 166 |
+
text = (
|
| 167 |
f"{CONFIG['DISPLAY_NAMES'].get(v['violation'], v['violation'])} "
|
| 168 |
+
f"at {v['timestamp']:.2f}s (Confidence: {v['confidence']:.2f})"
|
|
|
|
| 169 |
)
|
| 170 |
+
c.drawString(1 * inch, y_pos, text)
|
| 171 |
+
y_pos -= 0.25 * inch
|
| 172 |
+
if y_pos < 1 * inch:
|
| 173 |
c.showPage()
|
| 174 |
+
y_pos = 10 * inch
|
|
|
|
| 175 |
|
| 176 |
c.save()
|
| 177 |
pdf_file.seek(0)
|
| 178 |
|
| 179 |
+
# Save PDF
|
| 180 |
+
pdf_filename = f"violation_report_{int(time.time())}.pdf"
|
| 181 |
+
pdf_path = os.path.join(CONFIG["OUTPUT_DIR"], pdf_filename)
|
| 182 |
with open(pdf_path, "wb") as f:
|
| 183 |
f.write(pdf_file.getvalue())
|
|
|
|
|
|
|
|
|
|
|
|
|
| 184 |
|
| 185 |
+
return pdf_path, f"{CONFIG['PUBLIC_URL_BASE']}{pdf_filename}", pdf_file
|
| 186 |
except Exception as e:
|
| 187 |
+
logger.error(f"PDF generation failed: {e}")
|
| 188 |
+
return None, None, None
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 189 |
|
| 190 |
+
def push_report_to_salesforce(violations, score, pdf_file):
|
| 191 |
+
"""Upload report to Salesforce."""
|
| 192 |
try:
|
| 193 |
sf = connect_to_salesforce()
|
| 194 |
|
| 195 |
+
# Create violation details text
|
| 196 |
violations_text = "\n".join(
|
| 197 |
+
f"{CONFIG['DISPLAY_NAMES'].get(v['violation'], v['violation'])} "
|
| 198 |
+
f"at {v['timestamp']:.2f}s (Confidence: {v['confidence']:.2f})"
|
| 199 |
for v in violations
|
| 200 |
+
) or "No violations detected."
|
| 201 |
|
| 202 |
+
# Create Salesforce record
|
| 203 |
record_data = {
|
| 204 |
"Compliance_Score__c": score,
|
| 205 |
"Violations_Found__c": len(violations),
|
| 206 |
"Violations_Details__c": violations_text,
|
| 207 |
+
"Status__c": "Pending Review"
|
| 208 |
}
|
| 209 |
+
record = sf.Safety_Video_Report__c.create(record_data)
|
| 210 |
+
record_id = record["id"]
|
| 211 |
|
| 212 |
+
# Upload PDF if available
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 213 |
pdf_url = ""
|
| 214 |
if pdf_file:
|
| 215 |
+
encoded_pdf = base64.b64encode(pdf_file.getvalue()).decode("utf-8")
|
| 216 |
+
content_version = sf.ContentVersion.create({
|
| 217 |
+
"Title": f"Safety_Report_{record_id}",
|
| 218 |
+
"PathOnClient": f"report_{record_id}.pdf",
|
| 219 |
+
"VersionData": encoded_pdf,
|
| 220 |
+
"FirstPublishLocationId": record_id
|
| 221 |
+
})
|
| 222 |
+
pdf_url = f"https://{sf.sf_instance}/sfc/servlet.shepherd/version/download/{content_version['id']}"
|
| 223 |
|
| 224 |
+
return record_id, pdf_url
|
|
|
|
| 225 |
except Exception as e:
|
| 226 |
+
logger.error(f"Salesforce upload failed: {e}")
|
| 227 |
return None, ""
|
| 228 |
|
| 229 |
+
# ==========================
|
| 230 |
+
# Video Processing
|
| 231 |
+
# ==========================
|
| 232 |
+
def process_video(video_path):
|
| 233 |
+
"""Analyze video for safety violations."""
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 234 |
try:
|
| 235 |
+
cap = cv2.VideoCapture(video_path)
|
|
|
|
|
|
|
|
|
|
|
|
|
| 236 |
fps = cap.get(cv2.CAP_PROP_FPS) or 30
|
| 237 |
+
frame_count = 0
|
|
|
|
|
|
|
|
|
|
| 238 |
violations = []
|
| 239 |
snapshots = []
|
| 240 |
+
workers = []
|
| 241 |
+
snapshot_taken = {label: False for label in CONFIG["VIOLATION_LABELS"].values()}
|
|
|
|
|
|
|
|
|
|
| 242 |
|
| 243 |
while cap.isOpened():
|
| 244 |
ret, frame = cap.read()
|
| 245 |
if not ret:
|
| 246 |
break
|
| 247 |
+
|
| 248 |
if frame_count % CONFIG["FRAME_SKIP"] != 0:
|
| 249 |
frame_count += 1
|
| 250 |
continue
|
| 251 |
+
|
| 252 |
+
# Run detection
|
| 253 |
+
results = model(frame, device=device)
|
|
|
|
|
|
|
| 254 |
current_time = frame_count / fps
|
|
|
|
| 255 |
|
| 256 |
for result in results:
|
| 257 |
for box in result.boxes:
|
|
|
|
| 261 |
|
| 262 |
if not label or conf < CONFIG["CONFIDENCE_THRESHOLD"].get(label, 0.3):
|
| 263 |
continue
|
|
|
|
|
|
|
| 264 |
|
| 265 |
+
bbox = box.xywh.cpu().numpy()[0]
|
| 266 |
+
detection = {
|
| 267 |
+
"frame": frame_count,
|
| 268 |
+
"violation": label,
|
| 269 |
+
"confidence": conf,
|
| 270 |
+
"bounding_box": bbox,
|
| 271 |
+
"timestamp": current_time
|
| 272 |
+
}
|
| 273 |
+
|
| 274 |
+
# Track worker
|
| 275 |
matched_worker = None
|
| 276 |
max_iou = 0
|
| 277 |
for worker in workers:
|
| 278 |
+
iou = calculate_iou(worker["bbox"], bbox)
|
| 279 |
if iou > max_iou and iou > CONFIG["IOU_THRESHOLD"]:
|
| 280 |
max_iou = iou
|
| 281 |
matched_worker = worker
|
| 282 |
+
|
| 283 |
if matched_worker:
|
| 284 |
worker_id = matched_worker["id"]
|
| 285 |
matched_worker["bbox"] = bbox
|
|
|
|
| 286 |
else:
|
| 287 |
worker_id = len(workers) + 1
|
| 288 |
+
workers.append({"id": worker_id, "bbox": bbox})
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 289 |
|
| 290 |
+
detection["worker_id"] = worker_id
|
| 291 |
+
violations.append(detection)
|
| 292 |
+
|
| 293 |
+
# Capture snapshot if first detection of this type
|
| 294 |
+
if not snapshot_taken[label]:
|
| 295 |
+
snapshot_path = os.path.join(
|
| 296 |
+
CONFIG["OUTPUT_DIR"],
|
| 297 |
+
f"{label}_{frame_count}.jpg"
|
| 298 |
+
)
|
| 299 |
+
cv2.imwrite(snapshot_path, draw_detections(frame.copy(), [detection]))
|
| 300 |
+
snapshots.append({
|
| 301 |
+
"violation": label,
|
| 302 |
+
"frame": frame_count,
|
| 303 |
+
"path": snapshot_path,
|
| 304 |
+
"url": f"{CONFIG['PUBLIC_URL_BASE']}{os.path.basename(snapshot_path)}"
|
| 305 |
+
})
|
| 306 |
+
snapshot_taken[label] = True
|
| 307 |
|
| 308 |
frame_count += 1
|
| 309 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 310 |
cap.release()
|
|
|
|
| 311 |
|
| 312 |
+
# Filter violations (require min frames)
|
| 313 |
+
filtered_violations = []
|
| 314 |
+
violation_counts = {}
|
| 315 |
+
for v in violations:
|
| 316 |
+
key = (v["worker_id"], v["violation"])
|
| 317 |
+
violation_counts[key] = violation_counts.get(key, 0) + 1
|
| 318 |
+
|
| 319 |
+
for v in violations:
|
| 320 |
+
if violation_counts[(v["worker_id"], v["violation"])] >= CONFIG["MIN_VIOLATION_FRAMES"]:
|
| 321 |
+
filtered_violations.append(v)
|
| 322 |
+
|
| 323 |
+
# Calculate safety score
|
| 324 |
+
penalty_weights = {
|
| 325 |
+
"no_helmet": 25,
|
| 326 |
+
"no_harness": 30,
|
| 327 |
+
"unsafe_posture": 20,
|
| 328 |
+
"unsafe_zone": 35,
|
| 329 |
+
"improper_tool_use": 25
|
| 330 |
+
}
|
| 331 |
+
unique_violations = set((v["worker_id"], v["violation"]) for v in filtered_violations)
|
| 332 |
+
total_penalty = sum(penalty_weights.get(v, 0) for _, v in unique_violations)
|
| 333 |
+
safety_score = max(100 - total_penalty, 0)
|
| 334 |
|
| 335 |
return {
|
| 336 |
+
"violations": filtered_violations,
|
| 337 |
"snapshots": snapshots,
|
| 338 |
+
"score": safety_score,
|
|
|
|
|
|
|
| 339 |
"message": ""
|
| 340 |
}
|
|
|
|
| 341 |
except Exception as e:
|
| 342 |
+
logger.error(f"Video processing failed: {e}")
|
| 343 |
return {
|
| 344 |
"violations": [],
|
| 345 |
"snapshots": [],
|
| 346 |
"score": 100,
|
|
|
|
|
|
|
| 347 |
"message": f"Error: {str(e)}"
|
| 348 |
}
|
| 349 |
|
| 350 |
+
# ==========================
|
| 351 |
+
# Gradio Interface
|
| 352 |
+
# ==========================
|
| 353 |
+
def analyze_video(video_file):
|
| 354 |
+
"""Gradio interface function."""
|
| 355 |
+
if not video_file:
|
| 356 |
+
return "No video uploaded", "", "", "", ""
|
| 357 |
+
|
| 358 |
try:
|
| 359 |
+
# Process video
|
| 360 |
+
result = process_video(video_file)
|
| 361 |
+
if result["message"]:
|
| 362 |
+
return result["message"], "", "", "", ""
|
| 363 |
|
| 364 |
+
# Generate report
|
| 365 |
+
pdf_path, pdf_url, pdf_file = generate_violation_pdf(
|
| 366 |
+
result["violations"],
|
| 367 |
+
result["score"]
|
| 368 |
+
)
|
| 369 |
+
record_id, sf_url = push_report_to_salesforce(
|
| 370 |
+
result["violations"],
|
| 371 |
+
result["score"],
|
| 372 |
+
pdf_file
|
| 373 |
+
)
|
| 374 |
|
| 375 |
+
# Format outputs
|
| 376 |
violation_table = (
|
| 377 |
+
"| Violation Type | Timestamp (s) | Confidence | Worker ID |\n"
|
| 378 |
+
"|------------------------|---------------|------------|-----------|\n" +
|
| 379 |
"\n".join(
|
| 380 |
+
f"| {CONFIG['DISPLAY_NAMES'].get(v['violation'], v['violation']):<22} | "
|
| 381 |
+
f"{v['timestamp']:.2f} | {v['confidence']:.2f} | {v['worker_id']} |"
|
|
|
|
|
|
|
| 382 |
for v in result["violations"]
|
| 383 |
+
) if result["violations"] else "No violations detected."
|
| 384 |
+
)
|
| 385 |
|
| 386 |
snapshots_md = "\n".join(
|
| 387 |
+
f"**{CONFIG['DISPLAY_NAMES'].get(s['violation'], s['violation'])}** "
|
| 388 |
+
f"(Frame {s['frame']}): "
|
| 389 |
for s in result["snapshots"]
|
| 390 |
+
) if result["snapshots"] else "No snapshots available."
|
| 391 |
|
| 392 |
+
return (
|
| 393 |
violation_table,
|
| 394 |
f"Safety Score: {result['score']}%",
|
| 395 |
snapshots_md,
|
| 396 |
+
f"Salesforce Record: {record_id or 'N/A'}",
|
| 397 |
+
sf_url or pdf_url or "N/A"
|
| 398 |
)
|
| 399 |
except Exception as e:
|
| 400 |
+
return f"Error: {str(e)}", "", "", "", ""
|
|
|
|
| 401 |
|
| 402 |
+
# Launch Gradio App
|
| 403 |
interface = gr.Interface(
|
| 404 |
+
fn=analyze_video,
|
| 405 |
inputs=gr.Video(label="Upload Site Video"),
|
| 406 |
outputs=[
|
| 407 |
+
gr.Markdown("## Detected Violations"),
|
| 408 |
+
gr.Textbox(label="Safety Score"),
|
| 409 |
+
gr.Markdown("## Violation Snapshots"),
|
| 410 |
+
gr.Textbox(label="Salesforce Record ID"),
|
| 411 |
gr.Textbox(label="Report URL")
|
| 412 |
],
|
| 413 |
+
title="AI Safety Compliance Analyzer",
|
| 414 |
+
description=(
|
| 415 |
+
"Upload worksite video to detect safety violations. "
|
| 416 |
+
"Supported violations: Missing Helmet, No Harness, Unsafe Posture, Unsafe Zone, Improper Tool Use."
|
| 417 |
+
)
|
| 418 |
)
|
| 419 |
|
| 420 |
if __name__ == "__main__":
|