Files
momentry_core/scripts/pose_processor.py

179 lines
5.1 KiB
Python
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#!/opt/homebrew/bin/python3.11
"""
Pose Processor - Pose Estimation
Uses YOLOv8 Pose via ultralytics (local model)
"""
import sys
import json
import argparse
import os
import signal
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
from redis_publisher import RedisPublisher
def signal_handler(signum, frame):
print(f"POSE: Received signal {signum}, exiting...")
sys.exit(1)
def process_pose(video_path: str, output_path: str, uuid: str = ""):
"""Process video for pose estimation using YOLOv8 Pose"""
# Set up signal handlers
signal.signal(signal.SIGTERM, signal_handler)
signal.signal(signal.SIGINT, signal_handler)
publisher = RedisPublisher(uuid) if uuid else None
if publisher:
publisher.info("pose", "POSE_START")
try:
from ultralytics import YOLO # pyright: ignore
except ImportError:
if publisher:
publisher.error("pose", "ultralytics not installed")
result = {"frame_count": 0, "fps": 0.0, "frames": []}
if publisher:
publisher.complete("pose", "0 frames")
with open(output_path, "w") as f:
json.dump(result, f, indent=2)
return result
if publisher:
publisher.info("pose", "POSE_LOADING_MODEL")
# Load YOLOv8 Pose model
# yolov8n-pose.pt = nano (fastest)
# yolov8s-pose.pt = small
# yolov8m-pose.pt = medium
model = YOLO("yolov8n-pose.pt")
# Get video info
import cv2
cap = cv2.VideoCapture(video_path)
fps = cap.get(cv2.CAP_PROP_FPS)
total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
cap.release()
if publisher:
publisher.info("pose", f"fps={fps}, frames={total_frames}")
publisher.progress("pose", 0, total_frames, "Starting")
# Process video with YOLO Pose
results = model(
video_path,
conf=0.5, # confidence threshold
save=False,
stream=True,
verbose=False,
pose=True, # Enable pose estimation
)
# COCO keypoint names
KEYPOINT_NAMES = [
"nose",
"left_eye",
"right_eye",
"left_ear",
"right_ear",
"left_shoulder",
"right_shoulder",
"left_elbow",
"right_elbow",
"left_wrist",
"right_wrist",
"left_hip",
"right_hip",
"left_knee",
"right_knee",
"left_ankle",
"right_ankle",
]
frames = []
frame_count = 0
for result in results:
frame_count += 1
# Get frame number and timestamp
frame_idx = (
result.orig_frame_idx
if hasattr(result, "orig_frame_idx")
else frame_count - 1
)
timestamp = frame_idx / fps if fps > 0 else 0
# Get pose keypoints
persons = []
if result.keypoints is not None:
for person in result.keypoints:
keypoints = []
for i, kp in enumerate(person):
if len(kp) >= 3:
keypoints.append(
{
"name": KEYPOINT_NAMES[i]
if i < len(KEYPOINT_NAMES)
else f"kp_{i}",
"x": float(kp[0]),
"y": float(kp[1]),
"confidence": float(kp[2]),
}
)
# Get bounding box from keypoints if available
valid_kps = [kp for kp in keypoints if kp["confidence"] > 0.3]
if valid_kps:
xs = [kp["x"] for kp in valid_kps]
ys = [kp["y"] for kp in valid_kps]
bbox = {
"x": int(min(xs)),
"y": int(min(ys)),
"width": int(max(xs) - min(xs)),
"height": int(max(ys) - min(ys)),
}
else:
bbox = {"x": 0, "y": 0, "width": 0, "height": 0}
persons.append({"keypoints": keypoints, "bbox": bbox})
# Only add frames with poses or sample periodically
if persons or frame_count % 30 == 0:
frames.append(
{
"frame": frame_idx,
"timestamp": round(timestamp, 3),
"persons": persons,
}
)
if publisher:
publisher.progress("pose", frame_count, total_frames, f"Frame {frame_idx}")
result = {"frame_count": total_frames, "fps": fps, "frames": frames}
if publisher:
publisher.complete("pose", f"{len(frames)} frames with poses")
with open(output_path, "w") as f:
json.dump(result, f, indent=2)
return result
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Pose Estimation")
parser.add_argument("video_path", help="Path to video file")
parser.add_argument("output_path", help="Output JSON path")
parser.add_argument("--uuid", "-u", help="UUID for Redis progress", default="")
args = parser.parse_args()
process_pose(args.video_path, args.output_path, args.uuid)