Files
InvokeAI/invokeai/backend/image_util/dw_openpose/__init__.py
2024-05-03 18:08:53 -04:00

113 lines
3.3 KiB
Python

from pathlib import Path
from typing import Dict
import numpy as np
import torch
from controlnet_aux.util import resize_image
from PIL import Image
from invokeai.backend.image_util.dw_openpose.utils import NDArrayInt, draw_bodypose, draw_facepose, draw_handpose
from invokeai.backend.image_util.dw_openpose.wholebody import Wholebody
DWPOSE_MODELS = {
"yolox_l.onnx": "https://huggingface.co/yzd-v/DWPose/resolve/main/yolox_l.onnx?download=true",
"dw-ll_ucoco_384.onnx": "https://huggingface.co/yzd-v/DWPose/resolve/main/dw-ll_ucoco_384.onnx?download=true",
}
def draw_pose(
pose: Dict[str, NDArrayInt | Dict[str, NDArrayInt]],
H: int,
W: int,
draw_face: bool = True,
draw_body: bool = True,
draw_hands: bool = True,
resolution: int = 512,
) -> Image.Image:
bodies = pose["bodies"]
faces = pose["faces"]
hands = pose["hands"]
assert isinstance(bodies, dict)
candidate = bodies["candidate"]
assert isinstance(bodies, dict)
subset = bodies["subset"]
canvas = np.zeros(shape=(H, W, 3), dtype=np.uint8)
if draw_body:
canvas = draw_bodypose(canvas, candidate, subset)
if draw_hands:
assert isinstance(hands, np.ndarray)
canvas = draw_handpose(canvas, hands)
if draw_face:
assert isinstance(hands, np.ndarray)
canvas = draw_facepose(canvas, faces) # type: ignore
dwpose_image: Image.Image = resize_image(
canvas,
resolution,
)
dwpose_image = Image.fromarray(dwpose_image)
return dwpose_image
class DWOpenposeDetector:
"""
Code from the original implementation of the DW Openpose Detector.
Credits: https://github.com/IDEA-Research/DWPose
"""
def __init__(self, onnx_det: Path, onnx_pose: Path) -> None:
self.pose_estimation = Wholebody(onnx_det=onnx_det, onnx_pose=onnx_pose)
def __call__(
self,
image: Image.Image,
draw_face: bool = False,
draw_body: bool = True,
draw_hands: bool = False,
resolution: int = 512,
) -> Image.Image:
np_image = np.array(image)
H, W, C = np_image.shape
with torch.no_grad():
candidate, subset = self.pose_estimation(np_image)
nums, keys, locs = candidate.shape
candidate[..., 0] /= float(W)
candidate[..., 1] /= float(H)
body = candidate[:, :18].copy()
body = body.reshape(nums * 18, locs)
score = subset[:, :18]
for i in range(len(score)):
for j in range(len(score[i])):
if score[i][j] > 0.3:
score[i][j] = int(18 * i + j)
else:
score[i][j] = -1
un_visible = subset < 0.3
candidate[un_visible] = -1
# foot = candidate[:, 18:24]
faces = candidate[:, 24:92]
hands = candidate[:, 92:113]
hands = np.vstack([hands, candidate[:, 113:]])
bodies = {"candidate": body, "subset": score}
pose = {"bodies": bodies, "hands": hands, "faces": faces}
return draw_pose(
pose, H, W, draw_face=draw_face, draw_hands=draw_hands, draw_body=draw_body, resolution=resolution
)
__all__ = ["DWPOSE_MODELS", "DWOpenposeDetector"]