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DCN_custom_op/segmentation/image_demo.py
Yuwen Xiong 7d59305b5f birth
2024-01-16 00:22:22 +08:00

70 lines
2.5 KiB
Python

# Copyright (c) OpenMMLab. All rights reserved.
from argparse import ArgumentParser
import mmcv
import mmcv_custom # noqa: F401,F403
import mmseg_custom # noqa: F401,F403
from mmseg.apis import inference_segmentor, init_segmentor, show_result_pyplot
from mmseg.core.evaluation import get_palette
from mmcv.runner import load_checkpoint
from mmseg.core import get_classes
import cv2
import os.path as osp
import os
def test_single_image(model, img_name, out_dir, color_palette, opacity):
result = inference_segmentor(model, img_name)
# show the results
if hasattr(model, 'module'):
model = model.module
img = model.show_result(img_name, result,
palette=color_palette,
show=False, opacity=opacity)
# save the results
mmcv.mkdir_or_exist(out_dir)
out_path = osp.join(out_dir, osp.basename(img_name))
cv2.imwrite(out_path, img)
print(f"Result is save at {out_path}")
def main():
parser = ArgumentParser()
parser.add_argument('img', help='Image file or a directory contains images')
parser.add_argument('config', help='Config file')
parser.add_argument('checkpoint', help='Checkpoint file')
parser.add_argument('--out', type=str, default="demo", help='out dir')
parser.add_argument(
'--device', default='cuda:0', help='Device used for inference')
parser.add_argument(
'--palette',
default='ade20k',
choices=['ade20k', 'cityscapes', 'cocostuff'],
help='Color palette used for segmentation map')
parser.add_argument(
'--opacity',
type=float,
default=0.5,
help='Opacity of painted segmentation map. In (0, 1] range.')
args = parser.parse_args()
# build the model from a config file and a checkpoint file
model = init_segmentor(args.config, checkpoint=None, device=args.device)
checkpoint = load_checkpoint(model, args.checkpoint, map_location='cpu')
if 'CLASSES' in checkpoint.get('meta', {}):
model.CLASSES = checkpoint['meta']['CLASSES']
else:
model.CLASSES = get_classes(args.palette)
# check arg.img is directory of a single image.
if osp.isdir(args.img):
for img in os.listdir(args.img):
test_single_image(model, osp.join(args.img, img), args.out, get_palette(args.palette), args.opacity)
else:
test_single_image(model, args.img, args.out, get_palette(args.palette), args.opacity)
if __name__ == '__main__':
main()