TypeError: ToTensor() takes no arguments

代码如下：

from torchvision import transforms
from PIL import Image
img_path = "dataset/train/ants/0013035.jpg"
img = Image.open(img_path)
#tensor_trans = transforms.ToTensor()
#tensor_img = tensor_trans(img)
tensor_img = transforms.ToTensor(img)
print(tensor_img)
#TypeError: ToTensor() takes no arguments

原因，需要将transforms.ToTensor()传给一个变量再来使用

相当于 tool = transforms.ToTensor()

然后 result = tool(raw)

修改后的代码如下：

from torchvision import transforms
from PIL import Image
img_path = "dataset/train/ants/0013035.jpg"
img = Image.open(img_path)
tensor_trans = transforms.ToTensor()
tensor_img = tensor_trans(img)
print(tensor_img)
#TypeError: ToTensor() takes no arguments

输出的结果是img的向量表示

tensor([[[0.3137, 0.3137, 0.3137,  ..., 0.3176, 0.3098, 0.2980],[0.3176, 0.3176, 0.3176,  ..., 0.3176, 0.3098, 0.2980],[0.3216, 0.3216, 0.3216,  ..., 0.3137, 0.3098, 0.3020],...,[0.3412, 0.3412, 0.3373,  ..., 0.1725, 0.3725, 0.3529],[0.3412, 0.3412, 0.3373,  ..., 0.3294, 0.3529, 0.3294],[0.3412, 0.3412, 0.3373,  ..., 0.3098, 0.3059, 0.3294]],[[0.5922, 0.5922, 0.5922,  ..., 0.5961, 0.5882, 0.5765],[0.5961, 0.5961, 0.5961,  ..., 0.5961, 0.5882, 0.5765],[0.6000, 0.6000, 0.6000,  ..., 0.5922, 0.5882, 0.5804],...,[0.6275, 0.6275, 0.6235,  ..., 0.3608, 0.6196, 0.6157],[0.6275, 0.6275, 0.6235,  ..., 0.5765, 0.6275, 0.5961],[0.6275, 0.6275, 0.6235,  ..., 0.6275, 0.6235, 0.6314]],[[0.9137, 0.9137, 0.9137,  ..., 0.9176, 0.9098, 0.8980],[0.9176, 0.9176, 0.9176,  ..., 0.9176, 0.9098, 0.8980],[0.9216, 0.9216, 0.9216,  ..., 0.9137, 0.9098, 0.9020],...,[0.9294, 0.9294, 0.9255,  ..., 0.5529, 0.9216, 0.8941],[0.9294, 0.9294, 0.9255,  ..., 0.8863, 1.0000, 0.9137],[0.9294, 0.9294, 0.9255,  ..., 0.9490, 0.9804, 0.9137]]])进程已结束，退出代码为 0

图片来自b站up主：小土堆

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