Update services/operations_maintenance/signage_check.py

services/operations_maintenance/signage_check.py

@@ -1,85 +1,37 @@
 import cv2
 import numpy as np
-from ultralytics import YOLO
-import os
-import logging
-from typing import Tuple, List, Dict, Any
-
-# Configure logging
-logging.basicConfig(
-    filename="app.log",
-    level=logging.INFO,
-    format="%(asctime)s - %(levelname)s - %(message)s"
-)
-
-# Define base directory and model path
-BASE_DIR = os.path.dirname(os.path.abspath(__file__))
-MODEL_PATH = os.path.abspath(os.path.join(BASE_DIR, "../../models/yolov8m.pt"))
-
-# Initialize YOLO model
-try:
-    model = YOLO(MODEL_PATH)
-    logging.info("Loaded YOLOv8m model for signage detection.")
-    logging.info(f"Model class names: {model.names}")
-except Exception as e:
-    logging.error(f"Failed to load YOLOv8m model: {str(e)}")
-    model = None
+from typing import List, Tuple, Dict, Any
 
 def process_signages(frame: np.ndarray) -> Tuple[List[Dict[str, Any]], np.ndarray]:
-    # Validate input frame
-    if not isinstance(frame, np.ndarray) or frame.size == 0:
-        logging.error("Invalid input frame provided to signage_check.")
-        return [], frame
-
-    # Check if model is loaded
-    if model is None:
-        logging.error("YOLO model not loaded. Skipping signage detection.")
-        return [], frame
-
-    try:
-        # Perform YOLO inference
-        results = model(frame, verbose=False)
-        logging.debug("Completed YOLO inference for signage detection.")
-    except Exception as e:
-        logging.error(f"Error during YOLO inference: {str(e)}")
-        return [], frame
-
-    detections: List[Dict[str, Any]] = []
-    line_counter = 1
-
-    for r in results:
-        for box in r.boxes:
-            conf = float(box.conf[0])
-            if conf < 0.3:
-                continue
-            cls = int(box.cls[0])
-            label = model.names[cls]
-            if label != "signage":
-                continue
-            xyxy = box.xyxy[0].cpu().numpy().astype(int)
-            x_min, y_min, x_max, y_max = xyxy
-
-            detection_label = f"Line {line_counter} - {label.capitalize()} (Conf: {conf:.2f})"
-            detections.append({
-                "type": label,
-                "label": detection_label,
-                "confidence": conf,
-                "coordinates": [x_min, y_min, x_max, y_max]
-            })
-
-            color = (0, 0, 255)  # Blue for signage
-            cv2.rectangle(frame, (x_min, y_min), (x_max, y_max), color, 2)
-            cv2.putText(
-                frame,
-                detection_label,
-                (x_min, y_min - 10),
-                cv2.FONT_HERSHEY_SIMPLEX,
-                0.6,
-                color,
-                2
-            )
-            
-            line_counter += 1
-
-    logging.info(f"Detected {len(detections)} signages in operations_maintenance.")
+    """
+    Detect road signages in the frame.
+    Args:
+        frame: Input frame as a numpy array.
+    Returns:
+        Tuple of (list of detections, annotated frame).
+    """
+    # Convert to grayscale
+    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
+    
+    # Apply edge detection
+    edges = cv2.Canny(gray, 50, 150)
+    
+    # Find contours
+    contours, _ = cv2.findContours(edges, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
+    
+    detections = []
+    for i, contour in enumerate(contours):
+        area = cv2.contourArea(contour)
+        if area < 200:  # Ignore small contours
+            continue
+        
+        x, y, w, h = cv2.boundingRect(contour)
+        x_min, y_min, x_max, y_max = x, y, x + w, y + h
+        
+        detections.append({
+            "box": [x_min, y_min, x_max, y_max],
+            "label": f"Signage {i+1}",
+            "type": "signage"
+        })
+    
     return detections, frame