wyzely-detect/src/__main__.py

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2023-10-02 01:56:40 +01:00
# import face_recognition
import cv2
import numpy as np
import dotenv
from pathlib import Path
import os
import time
# import hjson as json
import torch
from ultralytics import YOLO
import argparse
from .utils import notify, config_utils
DATETIME_FORMAT = "%Y-%m-%d %H:%M:%S"
args = None
def main():
global args
# RUN_BY_COMPOSE = os.getenv("RUN_BY_COMPOSE") # Replace this with code to check for gpu
if Path(".env").is_file():
dotenv.load_dotenv()
print("Loaded .env file")
else:
print("No .env file found")
argparser = argparse.ArgumentParser(
prog="Detect It",
description="Detect it all!",
epilog=":)",
)
# required='RUN_SCALE' not in os.environ,
argparser.add_argument(
'--run-scale',
# Set it to the env RUN_SCALE if it isn't blank, otherwise set it to 0.25
default=os.environ['RUN_SCALE'] if 'RUN_SCALE' in os.environ and os.environ['RUN_SCALE'] != '' else 0.25, # noqa: E501
type=float,
help="The scale to run the detection at, default is 0.25",
)
# argparser.add_argument(
# '--view-scale',
# # Set it to the env VIEW_SCALE if it isn't blank, otherwise set it to 0.75
# default=os.environ['VIEW_SCALE'] if 'VIEW_SCALE' in os.environ and os.environ['VIEW_SCALE'] != '' else 0.75, # noqa: E501
# type=float,
# help="The scale to view the detection at, default is 0.75",
# )
stream_source = argparser.add_mutually_exclusive_group()
# stream_source.add_argument(
# '--url',
# default=os.environ['URL'] if 'URL' in os.environ and os.environ['URL'] != '' else None, # noqa: E501
# type=str,
# help="The URL of the stream to use",
# )
stream_source.add_argument(
'--capture-device',
default=os.environ['CAPTURE_DEVICE'] if 'CAPTURE_DEVICE' in os.environ and os.environ['CAPTURE_DEVICE'] != '' else 0, # noqa: E501
type=int,
help="The capture device to use. Can also be a url."
)
notifcation_services = argparser.add_argument_group("Notification Services")
notifcation_services.add_argument(
'--ntfy-url',
default=os.environ['NTFY_URL'] if 'NTFY_URL' in os.environ and os.environ['NTFY_URL'] != '' else None, # noqa: E501
type=str,
help="The URL to send notifications to",
)
args = argparser.parse_args()
# Check if a CUDA GPU is available. If it is, set it via torch. Ff not, set it to cpu
# https://github.com/ultralytics/ultralytics/issues/3084#issuecomment-1732433168
# Currently, I have been unable to set up Poetry to use GPU for Torch
for i in range(torch.cuda.device_count()):
print(torch.cuda.get_device_properties(i).name)
if torch.cuda.is_available():
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torch.cuda.set_device(0)
print("Set CUDA device")
else:
print("No CUDA device available, using CPU")
model = YOLO("yolov8n.pt")
# video_capture = cv2.VideoCapture(args.capture_device)
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video_capture = cv2.VideoCapture(args.capture_device)
# Eliminate lag by setting the buffer size to 1
# This makes it so that the video capture will only grab the most recent frame
# However, this means that the video may be choppy
video_capture.set(cv2.CAP_PROP_BUFFERSIZE, 1)
# Print the resolution of the video
print(
f"Video resolution: {video_capture.get(cv2.CAP_PROP_FRAME_WIDTH)}x{video_capture.get(cv2.CAP_PROP_FRAME_HEIGHT)}" # noqa: E501
)
print("Beginning video capture...")
while True:
# Grab a single frame of video
ret, frame = video_capture.read()
# Only process every other frame of video to save time
# Resize frame of video to a smaller size for faster recognition processing
run_frame = cv2.resize(frame, (0, 0), fx=args.run_scale, fy=args.run_scale)
# view_frame = cv2.resize(frame, (0, 0), fx=args.view_scale, fy=args.view_scale)
results = model(run_frame, verbose=False)
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for r in results:
for box in r.boxes:
# Get the name of the object
class_id = r.names[box.cls[0].item()]
# Get the coordinates of the object
cords = box.xyxy[0].tolist()
cords = [round(x) for x in cords]
# Get the confidence
conf = round(box.conf[0].item(), 2)
# Print it out, adding a spacer between each object
print("Object type:", class_id)
print("Coordinates:", cords)
print("Probability:", conf)
print("---")
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im_array = r.plot()
# Scale back up the coordinates of the locations of detected objects.
# im_array = np.multiply(im_array, 1/args.run_scale)
# print(type(im_array))
# print(im_array)
# exit()
cv2.imshow("View", im_array)
# Hit 'q' on the keyboard to quit!
if cv2.waitKey(1) & 0xFF == ord("q"):
break
# Release handle to the webcam
print("Releasing video capture")
video_capture.release()
cv2.destroyAllWindows()
main()