import torch import torchvision print(torch.__version__) print(torchvision.__version__) print(torch.cuda.is_available()) print(torch.cuda.device_count()) print(torch.cuda.get_device_name(0)) a=torch.Tensor([[1,1,2,2],[1,1,3.100001,3],[1,1,3.1,3]]) b=torch.Tensor([0.9,0.98,0.980005]) from torchvision.ops import nms ccc=nms(a,b,0.4) print(ccc) print(a[ccc])