262 lines
10 KiB
Python
262 lines
10 KiB
Python
# Openpose
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# Original from CMU https://github.com/CMU-Perceptual-Computing-Lab/openpose
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# 2nd Edited by https://github.com/Hzzone/pytorch-openpose
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# 3rd Edited by ControlNet
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# 4th Edited by ControlNet (added face and correct hands)
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# 5th Edited by ControlNet (Improved JSON serialization/deserialization, and lots of bug fixs)
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# This preprocessor is licensed by CMU for non-commercial use only.
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import os
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os.environ["KMP_DUPLICATE_LIB_OK"] = "TRUE"
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import json
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import torch
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import numpy as np
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from . import util
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from .body import Body, BodyResult, Keypoint
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from .hand import Hand
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from .face import Face
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from modules import devices
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from annotator.annotator_path import models_path
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from typing import NamedTuple, Tuple, List, Callable, Union
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body_model_path = "https://huggingface.co/lllyasviel/Annotators/resolve/main/body_pose_model.pth"
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hand_model_path = "https://huggingface.co/lllyasviel/Annotators/resolve/main/hand_pose_model.pth"
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face_model_path = "https://huggingface.co/lllyasviel/Annotators/resolve/main/facenet.pth"
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HandResult = List[Keypoint]
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FaceResult = List[Keypoint]
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class PoseResult(NamedTuple):
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body: BodyResult
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left_hand: Union[HandResult, None]
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right_hand: Union[HandResult, None]
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face: Union[FaceResult, None]
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def draw_poses(poses: List[PoseResult], H, W, draw_body=True, draw_hand=True, draw_face=True):
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"""
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Draw the detected poses on an empty canvas.
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Args:
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poses (List[PoseResult]): A list of PoseResult objects containing the detected poses.
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H (int): The height of the canvas.
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W (int): The width of the canvas.
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draw_body (bool, optional): Whether to draw body keypoints. Defaults to True.
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draw_hand (bool, optional): Whether to draw hand keypoints. Defaults to True.
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draw_face (bool, optional): Whether to draw face keypoints. Defaults to True.
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Returns:
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numpy.ndarray: A 3D numpy array representing the canvas with the drawn poses.
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"""
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canvas = np.zeros(shape=(H, W, 3), dtype=np.uint8)
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for pose in poses:
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if draw_body:
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canvas = util.draw_bodypose(canvas, pose.body.keypoints)
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if draw_hand:
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canvas = util.draw_handpose(canvas, pose.left_hand)
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canvas = util.draw_handpose(canvas, pose.right_hand)
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if draw_face:
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canvas = util.draw_facepose(canvas, pose.face)
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return canvas
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def encode_poses_as_json(poses: List[PoseResult], canvas_height: int, canvas_width: int) -> str:
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""" Encode the pose as a JSON string following openpose JSON output format:
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https://github.com/CMU-Perceptual-Computing-Lab/openpose/blob/master/doc/02_output.md
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"""
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def compress_keypoints(keypoints: Union[List[Keypoint], None]) -> Union[List[float], None]:
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if not keypoints:
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return None
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return [
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value
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for keypoint in keypoints
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for value in (
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[float(keypoint.x), float(keypoint.y), 1.0]
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if keypoint is not None
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else [0.0, 0.0, 0.0]
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)
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]
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return json.dumps({
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'people': [
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{
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'pose_keypoints_2d': compress_keypoints(pose.body.keypoints),
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"face_keypoints_2d": compress_keypoints(pose.face),
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"hand_left_keypoints_2d": compress_keypoints(pose.left_hand),
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"hand_right_keypoints_2d":compress_keypoints(pose.right_hand),
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}
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for pose in poses
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],
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'canvas_height': canvas_height,
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'canvas_width': canvas_width,
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}, indent=4)
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class OpenposeDetector:
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"""
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A class for detecting human poses in images using the Openpose model.
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Attributes:
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model_dir (str): Path to the directory where the pose models are stored.
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"""
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model_dir = os.path.join(models_path, "openpose")
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def __init__(self):
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self.device = devices.get_device_for("controlnet")
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self.body_estimation = None
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self.hand_estimation = None
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self.face_estimation = None
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def load_model(self):
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"""
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Load the Openpose body, hand, and face models.
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"""
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body_modelpath = os.path.join(self.model_dir, "body_pose_model.pth")
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hand_modelpath = os.path.join(self.model_dir, "hand_pose_model.pth")
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face_modelpath = os.path.join(self.model_dir, "facenet.pth")
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if not os.path.exists(body_modelpath):
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from basicsr.utils.download_util import load_file_from_url
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load_file_from_url(body_model_path, model_dir=self.model_dir)
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if not os.path.exists(hand_modelpath):
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from basicsr.utils.download_util import load_file_from_url
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load_file_from_url(hand_model_path, model_dir=self.model_dir)
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if not os.path.exists(face_modelpath):
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from basicsr.utils.download_util import load_file_from_url
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load_file_from_url(face_model_path, model_dir=self.model_dir)
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self.body_estimation = Body(body_modelpath)
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self.hand_estimation = Hand(hand_modelpath)
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self.face_estimation = Face(face_modelpath)
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def unload_model(self):
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"""
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Unload the Openpose models by moving them to the CPU.
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"""
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if self.body_estimation is not None:
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self.body_estimation.model.to("cpu")
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self.hand_estimation.model.to("cpu")
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self.face_estimation.model.to("cpu")
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def detect_hands(self, body: BodyResult, oriImg) -> Tuple[Union[HandResult, None], Union[HandResult, None]]:
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left_hand = None
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right_hand = None
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H, W, _ = oriImg.shape
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for x, y, w, is_left in util.handDetect(body, oriImg):
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peaks = self.hand_estimation(oriImg[y:y+w, x:x+w, :]).astype(np.float32)
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if peaks.ndim == 2 and peaks.shape[1] == 2:
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peaks[:, 0] = np.where(peaks[:, 0] < 1e-6, -1, peaks[:, 0] + x) / float(W)
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peaks[:, 1] = np.where(peaks[:, 1] < 1e-6, -1, peaks[:, 1] + y) / float(H)
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hand_result = [
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Keypoint(x=peak[0], y=peak[1])
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for peak in peaks
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]
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if is_left:
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left_hand = hand_result
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else:
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right_hand = hand_result
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return left_hand, right_hand
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def detect_face(self, body: BodyResult, oriImg) -> Union[FaceResult, None]:
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face = util.faceDetect(body, oriImg)
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if face is None:
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return None
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x, y, w = face
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H, W, _ = oriImg.shape
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heatmaps = self.face_estimation(oriImg[y:y+w, x:x+w, :])
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peaks = self.face_estimation.compute_peaks_from_heatmaps(heatmaps).astype(np.float32)
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if peaks.ndim == 2 and peaks.shape[1] == 2:
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peaks[:, 0] = np.where(peaks[:, 0] < 1e-6, -1, peaks[:, 0] + x) / float(W)
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peaks[:, 1] = np.where(peaks[:, 1] < 1e-6, -1, peaks[:, 1] + y) / float(H)
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return [
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Keypoint(x=peak[0], y=peak[1])
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for peak in peaks
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]
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return None
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def detect_poses(self, oriImg, include_hand=False, include_face=False) -> List[PoseResult]:
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"""
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Detect poses in the given image.
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Args:
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oriImg (numpy.ndarray): The input image for pose detection.
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include_hand (bool, optional): Whether to include hand detection. Defaults to False.
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include_face (bool, optional): Whether to include face detection. Defaults to False.
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Returns:
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List[PoseResult]: A list of PoseResult objects containing the detected poses.
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"""
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if self.body_estimation is None:
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self.load_model()
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self.body_estimation.model.to(self.device)
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self.hand_estimation.model.to(self.device)
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self.face_estimation.model.to(self.device)
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self.body_estimation.cn_device = self.device
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self.hand_estimation.cn_device = self.device
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self.face_estimation.cn_device = self.device
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oriImg = oriImg[:, :, ::-1].copy()
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H, W, C = oriImg.shape
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with torch.no_grad():
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candidate, subset = self.body_estimation(oriImg)
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bodies = self.body_estimation.format_body_result(candidate, subset)
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results = []
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for body in bodies:
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left_hand, right_hand, face = (None,) * 3
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if include_hand:
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left_hand, right_hand = self.detect_hands(body, oriImg)
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if include_face:
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face = self.detect_face(body, oriImg)
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results.append(PoseResult(BodyResult(
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keypoints=[
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Keypoint(
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x=keypoint.x / float(W),
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y=keypoint.y / float(H)
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) if keypoint is not None else None
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for keypoint in body.keypoints
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],
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total_score=body.total_score,
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total_parts=body.total_parts
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), left_hand, right_hand, face))
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return results
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def __call__(
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self, oriImg, include_body=True, include_hand=False, include_face=False,
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json_pose_callback: Callable[[str], None] = None,
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):
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"""
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Detect and draw poses in the given image.
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Args:
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oriImg (numpy.ndarray): The input image for pose detection and drawing.
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include_body (bool, optional): Whether to include body keypoints. Defaults to True.
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include_hand (bool, optional): Whether to include hand keypoints. Defaults to False.
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include_face (bool, optional): Whether to include face keypoints. Defaults to False.
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json_pose_callback (Callable, optional): A callback that accepts the pose JSON string.
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Returns:
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numpy.ndarray: The image with detected and drawn poses.
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"""
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H, W, _ = oriImg.shape
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poses = self.detect_poses(oriImg, include_hand, include_face)
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if json_pose_callback:
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json_pose_callback(encode_poses_as_json(poses, H, W))
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return draw_poses(poses, H, W, draw_body=include_body, draw_hand=include_hand, draw_face=include_face)
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