如何修复‘scipy.misc模块不存在imresize属性’问题？

Hey there, let's break down why you're hitting this issue and how to fix it quickly!

The root problem here is version differences in Scipy: Starting from Scipy 1.0.0, the scipy.misc.imresize function was officially removed. Your friend is almost certainly using an older version of Scipy (pre-1.0.0) where this function still exists, which is why their code works fine. Installing Pillow or other libraries won't bring it back in newer Scipy versions—here are your best solutions:

Solution 1: Use Pillow's Image.resize (Recommended, since you already have it installed) #

Since you've got Pillow set up, this is the most straightforward replacement. It works directly with image objects and is well-maintained:

from PIL import Image
import numpy as np

# Load your image
image = Image.open("your_image_path.jpg")

# Resize to your target dimensions (e.g., (256, 256))
resized_image = image.resize((256, 256))

# If you need a numpy array (like what `imresize` returned), convert it
resized_image_array = np.array(resized_image)

Solution 2: Use scipy.ndimage.zoom (For Scipy-based array operations) #

If you prefer to work directly with numpy arrays and stay within the Scipy ecosystem, zoom is a solid alternative. Just keep in mind it scales based on factors rather than target dimensions:

from scipy.ndimage import zoom
import numpy as np
from PIL import Image

# Load image as numpy array
image_array = np.array(Image.open("your_image_path.jpg"))

# Calculate zoom factors (target size / original size)
original_height, original_width, _ = image_array.shape
target_height, target_width = 256, 256
zoom_factors = (target_height / original_height, target_width / original_width, 1)

# Resize the array
resized_image_array = zoom(image_array, zoom_factors)

Solution 3: Downgrade Scipy (Not recommended, but for environment parity) #

If you absolutely need to match your friend's environment to run their code as-is, you can install an older Scipy version where imresize still exists:

pip install scipy==0.19.1

Note that this might cause compatibility issues with other newer libraries, so use this as a last resort.

Just to clarify why installing Pillow didn't help earlier: Older versions of scipy.misc.imresize relied on Pillow under the hood, but once Scipy removed the function, having Pillow installed doesn't bring it back—you need to use Pillow's own resize methods instead.

内容的提问来源于stack exchange，提问作者I'mMotivated