动态规划python直出比例
时间: 2023-08-21 07:18:31 浏览: 35
动态规划的python代码中,可以使用torch.nn.functional.interpolate函数来实现图像的等比例缩放。该函数的参数中,size可以指定缩放后的图像尺寸,scale_factor可以指定缩放比例。具体实现可以参考以下代码:
import torch
import torch.nn.functional as F
# 原始图像
image = torch.randn(1, 3, height, width)
# 缩放后的图像尺寸
size = 400
# 计算缩放比例
scale_factor = size / max(height, width)
# 使用torch.nn.functional.interpolate函数进行缩放
resized_image = F.interpolate(image, scale_factor=scale_factor, mode='nearest')
# 输出缩放后的图像尺寸
print(resized_image.shape)
这段代码中,首先创建了一个随机的原始图像,然后计算了缩放比例scale_factor,接着使用torch.nn.functional.interpolate函数对图像进行缩放,最后输出缩放后的图像尺寸。
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