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    發布日期: 2023-11-18
  • 語言: Python
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資源簡介

Fast-SCNN的PyTorch實現:快速語義分割網絡

資源截圖

代碼片段和文件信息

import?os
import?argparse
import?torch

from?torchvision?import?transforms
from?models.fast_scnn?import?get_fast_scnn
from?PIL?import?Image
from?utils.visualize?import?get_color_pallete

parser?=?argparse.ArgumentParser(
????description=‘Predict?segmentation?result?from?a?given?image‘)
parser.add_argument(‘--model‘?type=str?default=‘fast_scnn‘
????????????????????help=‘model?name?(default:?fast_scnn)‘)
parser.add_argument(‘--dataset‘?type=str?default=‘citys‘
????????????????????help=‘dataset?name?(default:?citys)‘)
parser.add_argument(‘--weights-folder‘?default=‘./weights‘
????????????????????help=‘Directory?for?saving?checkpoint?models‘)
parser.add_argument(‘--input-pic‘?type=str
????????????????????default=‘./datasets/citys/leftImg8bit/test/berlin/berlin_000000_000019_leftImg8bit.png‘
????????????????????help=‘path?to?the?input?picture‘)
parser.add_argument(‘--outdir‘?default=‘./test_result‘?type=str
????????????????????help=‘path?to?save?the?predict?result‘)

parser.add_argument(‘--cpu‘?dest=‘cpu‘?action=‘store_true‘)
parser.set_defaults(cpu=False)

args?=?parser.parse_args()


def?demo():
????device?=?torch.device(“cuda“?if?torch.cuda.is_available()?else?“cpu“)
????#?output?folder
????if?not?os.path.exists(args.outdir):
????????os.makedirs(args.outdir)

????#?image?transform
????transform?=?transforms.Compose([
????????transforms.ToTensor()
????????transforms.Normalize([0.485?0.456?0.406]?[0.229?0.224?0.225])
????])
????image?=?Image.open(args.input_pic).convert(‘RGB‘)
????image?=?transform(image).unsqueeze(0).to(device)
????model?=?get_fast_scnn(args.dataset?pretrained=True?root=args.weights_folder?map_cpu=args.cpu).to(device)
????print(‘Finished?loading?model!‘)
????model.eval()
????with?torch.no_grad():
????????outputs?=?model(image)
????pred?=?torch.argmax(outputs[0]?1).squeeze(0).cpu().data.numpy()
????mask?=?get_color_pallete(pred?args.dataset)
????outname?=?os.path.splitext(os.path.split(args.input_pic)[-1])[0]?+?‘.png‘
????mask.save(os.path.join(args.outdir?outname))


if?__name__?==?‘__main__‘:
????demo()

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-05-13?13:40??Fast-SCNN-pytorch-master\
?????文件????????1358??2019-05-13?13:40??Fast-SCNN-pytorch-master\.gitignore
?????文件???????11357??2019-05-13?13:40??Fast-SCNN-pytorch-master\LICENSE
?????文件????????3058??2019-05-13?13:40??Fast-SCNN-pytorch-master\README.md
?????目錄???????????0??2019-05-13?13:40??Fast-SCNN-pytorch-master\data_loader\
?????文件?????????212??2019-05-13?13:40??Fast-SCNN-pytorch-master\data_loader\__init__.py
?????文件????????8220??2019-05-13?13:40??Fast-SCNN-pytorch-master\data_loader\cityscapes.py
?????文件????????2083??2019-05-13?13:40??Fast-SCNN-pytorch-master\demo.py
?????文件????????2185??2019-05-13?13:40??Fast-SCNN-pytorch-master\eval.py
?????目錄???????????0??2019-05-13?13:40??Fast-SCNN-pytorch-master\models\
?????文件???????????0??2019-05-13?13:40??Fast-SCNN-pytorch-master\models\__init__.py
?????文件????????9263??2019-05-13?13:40??Fast-SCNN-pytorch-master\models\fast_scnn.py
?????目錄???????????0??2019-05-13?13:40??Fast-SCNN-pytorch-master\png\
?????文件??????116083??2019-05-13?13:40??Fast-SCNN-pytorch-master\png\Fast-SCNN.png
?????文件???????31427??2019-05-13?13:40??Fast-SCNN-pytorch-master\png\frankfurt_000001_058914_gtFine_color.png
?????文件?????2230101??2019-05-13?13:40??Fast-SCNN-pytorch-master\png\frankfurt_000001_058914_leftImg8bit.png
?????文件???????22325??2019-05-13?13:40??Fast-SCNN-pytorch-master\png\frankfurt_000001_058914_seg.png
?????文件????????8669??2019-05-13?13:40??Fast-SCNN-pytorch-master\train.py
?????目錄???????????0??2019-05-13?13:40??Fast-SCNN-pytorch-master\utils\
?????文件???????????0??2019-05-13?13:40??Fast-SCNN-pytorch-master\utils\__init__.py
?????文件????????4908??2019-05-13?13:40??Fast-SCNN-pytorch-master\utils\loss.py
?????文件????????3270??2019-05-13?13:40??Fast-SCNN-pytorch-master\utils\lr_scheduler.py
?????文件????????6385??2019-05-13?13:40??Fast-SCNN-pytorch-master\utils\metric.py
?????文件????????3919??2019-05-13?13:40??Fast-SCNN-pytorch-master\utils\visualize.py
?????目錄???????????0??2019-05-13?13:40??Fast-SCNN-pytorch-master\weights\
?????文件?????4710241??2019-05-13?13:40??Fast-SCNN-pytorch-master\weights\fast_scnn_citys.pth

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