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import cv2
import numpy as np
import logging
from ultralytics import YOLO
# Setup logging
logging.basicConfig(
filename="app.log",
level=logging.INFO,
format="%(asctime)s - %(levelname)s - %(message)s"
)
def process_frame(frame: np.ndarray) -> tuple[list[dict[str, any]], np.ndarray]:
"""
Process a frame using YOLO model to detect cracks and holes.
Args:
frame: Input frame (numpy array)
Returns:
tuple: List of detected items and annotated frame
"""
try:
model = YOLO("models/yolov8m.pt")
results = model(frame)
detections = []
line_counter = 1
for result in results:
boxes = result.boxes.xyxy.cpu().numpy()
confidences = result.boxes.conf.cpu().numpy()
classes = result.boxes.cls.cpu().numpy()
for box, conf, cls in zip(boxes, confidences, classes):
x_min, y_min, x_max, y_max = map(int, box)
type_ = "crack" if cls == 0 else "hole" # Assume class 0=crack, 1=hole
severity = "Severe" if conf > 0.8 else "Moderate" if conf > 0.5 else "Minor"
label = f"Line {line_counter} - {type_.capitalize()} ({severity})"
detections.append({
"type": type_,
"label": label,
"box": [x_min, y_min, x_max, y_max],
"severity": severity,
"confidence": float(conf)
})
line_counter += 1
logging.info(f"Detected {len(detections)} objects in frame.")
return detections, frame
except Exception as e:
logging.error(f"Error processing frame: {str(e)}")
return [], frame |