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creating_data.py
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creating_data.py
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from ultralytics import YOLO
from pydantic import BaseModel
import cv2
import torch
import os
import time
import numpy as np
import math
from collections import deque
keypoints_dict = {
0: 'NOSE',
1: 'LEFT_EYE',
2: 'RIGHT_EYE',
3: 'LEFT_EAR',
4: 'RIGHT_EAR',
5: 'LEFT_SHOULDER',
6: 'RIGHT_SHOULDER',
7: 'LEFT_ELBOW',
8: 'RIGHT_ELBOW',
9: 'LEFT_WRIST',
10: 'RIGHT_WRIST',
11: 'LEFT_HIP',
12: 'RIGHT_HIP',
13: 'LEFT_KNEE',
14: 'RIGHT_KNEE',
15: 'LEFT_ANKLE',
16: 'RIGHT_ANKLE'
}
# Define colors for each group
head_color = (0, 255, 0) # Green
hands_and_shoulders_color = (255, 0, 0) # Blue
body_color = (128, 0, 128) # Purple
hips_and_feet_color = (0, 165, 255) # Orange
connections = [
('NOSE', 'LEFT_EYE', head_color),
('NOSE', 'RIGHT_EYE', head_color),
('LEFT_EYE', 'RIGHT_EYE', head_color),
('LEFT_EYE', 'LEFT_EAR', head_color),
('RIGHT_EYE', 'RIGHT_EAR', head_color),
('LEFT_EAR', 'LEFT_SHOULDER', head_color),
('RIGHT_EAR', 'RIGHT_SHOULDER', head_color),
('LEFT_SHOULDER', 'RIGHT_SHOULDER', hands_and_shoulders_color),
('LEFT_SHOULDER', 'LEFT_ELBOW', hands_and_shoulders_color),
('RIGHT_SHOULDER', 'RIGHT_ELBOW', hands_and_shoulders_color),
('LEFT_ELBOW', 'LEFT_WRIST', hands_and_shoulders_color),
('RIGHT_ELBOW', 'RIGHT_WRIST', hands_and_shoulders_color),
('LEFT_SHOULDER', 'LEFT_HIP', body_color),
('RIGHT_SHOULDER', 'RIGHT_HIP', body_color),
('LEFT_HIP', 'RIGHT_HIP', body_color),
('LEFT_HIP', 'LEFT_KNEE', hips_and_feet_color),
('RIGHT_HIP', 'RIGHT_KNEE', hips_and_feet_color),
('LEFT_KNEE', 'LEFT_ANKLE', hips_and_feet_color),
('RIGHT_KNEE', 'RIGHT_ANKLE', hips_and_feet_color),
]
device = torch.device('cuda:0' if torch.cuda.is_available() else 'cpu')
os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"
os.environ["CUDA_VISIBLE_DEVICES"] = "0"
model = YOLO('yolov8x-pose.pt') # load a pretrained YOLOv8n classification model
model.to(device)
video_path = r"D:\videos\hands3.mp4"
cap = cv2.VideoCapture(video_path)
# Get video properties
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
fps = cap.get(cv2.CAP_PROP_FPS) # or number
# Create a VideoWriter object to save the output video
output_video_path = r"D:\videos_processed\hands3_processed.mp4"
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
out = cv2.VideoWriter(output_video_path, fourcc, fps, (width, height))
frame_width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
frame_height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
def extract_keypoints(results, threshold_class, threshold_keypoint):
existing_kp = {}
for result,i_d in zip(results[0],results[0].boxes.id):
# There results for bounding boxes, and confidence scores for general detect
x1, y1, x2, y2,_, conf_for_detect, class_id_detected = (result.boxes.data.tolist())[0]
# If the confidence score for general detect is lower than threshold, skip
if conf_for_detect < threshold_class:
continue
# keypoints
keys = (result.keypoints.data.tolist())[0]
keyp_arr = list()
for key in keys:
keyp_arr.append(key)
# Adding existing hand keypoints of an object in a frame to the dictionary
existing_kp[int(i_d)] = keyp_arr
return existing_kp
def calc_kp_to_kp_dist(keypoints_dict):
# creating a dictionary of distances between each keypoint (except of the same object) in the keypoint_dict
dist_dict = {}
num_obj = len(keypoints_dict.keys())
keys = keypoints_dict.keys()
# calculating distances between keypoints
for l,keyi in enumerate(keys,start =1):
for m,keyj in enumerate(keys,start =1):
if m>=l:
break
for i,p1 in enumerate(keypoints_dict[keyi]):
for j,p2 in enumerate(keypoints_dict[keyj]):
dist = calc_euclid_dist(p1,p2)
dist_dict[f'{keyi}'+f'{keyj}'+f'{i}'+f'{j}'] = dist
return dist_dict
def calc_euclid_dist(p1,p2):
if (len(p1)>0) and (len(p2)>0):
dist = int(math.sqrt((p1[0]-p2[0])*(p1[0]-p2[0]) + (p1[1]-p2[1])*(p1[1]-p2[1])))
return dist
else:
return None
def calc_grad(dist_dict):
return
text2 = "No suspicious activity"
text1 = "Suspicious activity"
text3 = "No people in sight"
color2 = (100, 200, 0)
color1 = (100, 0, 200)
color3 = (100, 100, 100)
font_scale = 1.6
thickness = 2
winsize = 60
all_keypoints = {}
distance_dict = {}
average_dist = {}
grad_dict = {}
outputs = [0,1]
while cap.isOpened():
# Read a frame from the video
success, frame = cap.read()
if success:
results = model.track(frame, persist=True, retina_masks=True, boxes=True, show_conf=False, line_width=1, conf=0.3, iou=0.5, classes=0, show_labels=False, device=device,verbose = False,tracker="bytetrack.yaml")
text_size, _ = cv2.getTextSize(text2, cv2.FONT_HERSHEY_SIMPLEX, font_scale, thickness)
text_position = (frame_width - text_size[0] - 10, text_size[1] + 10)
cv2.rectangle(frame, (text_position[0] - 5, text_position[1] - text_size[1] - 5),
(text_position[0] + text_size[0] + 5, text_position[1] + 5), color=(0, 0, 0),
thickness=cv2.FILLED)
cv2.putText(frame, text2, text_position, cv2.FONT_HERSHEY_SIMPLEX, font_scale, color2, thickness, cv2.LINE_AA)
if results[0].boxes.id is not None:
#extracting keypoints
kp = extract_keypoints(results = results,threshold_class=0.2,threshold_keypoint=0.2)
#appending keypoints to dictionary with size = winsize frames window
for i_d in results[0].boxes.id:
if int(i_d) not in all_keypoints.keys():
all_keypoints[int(i_d)] = deque(maxlen=winsize)
all_keypoints[int(i_d)].append(kp[int(i_d)])
#calculating distances between keypoints
dd = calc_kp_to_kp_dist(kp)
#appending distances dictionary and evaluating average distance and classification based on it
for key in dd.keys():
if key not in distance_dict.keys():
distance_dict[key] = deque(maxlen=winsize)
average_dist[key] = np.mean(distance_dict[key])
distance_dict[key].append(dd[key])
if dd[key]< average_dist[key]/1.8:
text_size, _ = cv2.getTextSize(text2, cv2.FONT_HERSHEY_SIMPLEX, font_scale, thickness)
text_position = (frame_width - text_size[0] - 10, text_size[1] + 10)
cv2.rectangle(frame, (text_position[0] - 5, text_position[1] - text_size[1] - 5),
(text_position[0] + text_size[0] + 5, text_position[1] + 5), color=(0, 0, 0),
thickness=cv2.FILLED)
cv2.putText(frame, text1, text_position, cv2.FONT_HERSHEY_SIMPLEX, font_scale, color1, thickness, cv2.LINE_AA)
continue
annotated_frame_show = cv2.resize(frame, (1080, 720))
cv2.imshow("YOLOv8 Inference", annotated_frame_show)
out.write(frame)
# Break the loop if 'q' is pressed
if cv2.waitKey(1) & 0xFF == ord('q'):
break
else:
# Break the loop if the end of the video is reached
break
cap.release()
out.release()
cv2.destroyAllWindows()