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Running
on
Zero
import numpy as np | |
import torch | |
from densepose import add_densepose_config | |
from densepose.vis.densepose_results import ( | |
DensePoseResultsFineSegmentationVisualizer as Visualizer, | |
) | |
from densepose.vis.extractor import DensePoseResultExtractor | |
from detectron2.config import get_cfg | |
from detectron2.engine import DefaultPredictor | |
class DensePosePredictor(object): | |
def __init__(self, | |
config_path="./ckpts/densepose/densepose_rcnn_R_50_FPN_s1x.yaml", | |
weights_path="./ckpts/densepose/model_final_162be9.pkl" | |
): | |
cfg = get_cfg() | |
add_densepose_config(cfg) | |
cfg.merge_from_file( | |
config_path) # Use the path to the config file from densepose | |
cfg.MODEL.WEIGHTS = weights_path # Use the path to the pre-trained model weights | |
cfg.MODEL.DEVICE = "cuda" if torch.cuda.is_available() else "cpu" | |
cfg.MODEL.ROI_HEADS.SCORE_THRESH_TEST = 0.5 # Adjust as needed | |
self.predictor = DefaultPredictor(cfg) | |
self.extractor = DensePoseResultExtractor() | |
self.visualizer = Visualizer() | |
def predict(self, image): | |
if isinstance(image, str): | |
image = cv2.imread(image) | |
with torch.no_grad(): | |
outputs = self.predictor(image)["instances"] | |
outputs = self.extractor(outputs) | |
return outputs | |
def predict_iuv(self, image): | |
outputs = self.predict(image) | |
img_i = outputs[0][0].labels[None, ...] | |
img_uv = outputs[0][0].uv | |
img_uv = (img_uv - img_uv.min()) / (img_uv.max() - img_uv.min()) | |
img_uv *= 255 | |
img_iuv = torch.cat([img_i, img_uv], dim=0) | |
img_iuv = img_iuv.permute(1, 2, 0) | |
img_iuv = img_iuv.cpu().numpy() | |
position = [int(x) for x in outputs[1][0].cpu().numpy().tolist()] | |
x1, y1, w, h = position | |
x2 = x1 + w | |
y2 = y1 + h | |
image_iuv = np.zeros(image.shape, dtype=image.dtype) | |
image_iuv[y1:y2, x1:x2, :] = img_iuv | |
image_iuv = image_iuv[:, :, [0, 2, 1]] | |
return image_iuv | |
def predict_seg(self, image): | |
outputs = self.predict(image) | |
image_seg = np.zeros(image.shape, dtype=image.dtype) | |
self.visualizer.visualize(image_seg, outputs) | |
return image_seg | |
if __name__ == "__main__": | |
import sys | |
import cv2 | |
image_path = sys.argv[1] | |
image = cv2.imread(image_path) | |
predictor = DensePosePredictor() | |
image_iuv = predictor.predict_iuv(image) | |
image_seg = predictor.predict_seg(image) | |
cv2.imwrite(".".join(image_path.split(".")[:-1]) + "_iuv.jpg", image_iuv) | |
cv2.imwrite(".".join(image_path.split(".")[:-1]) + "_seg.jpg", image_seg) | |