[英]Saving vectorized images to a numpy array
I have four images that I converted to a vector. 我有四个图像转换为矢量。 I'm trying to save those vectors in a
numpy
array to have a similar structure to the following matrix: 我正在尝试将这些向量保存在
numpy
数组中,以具有与以下矩阵类似的结构:
np.array([[0,0,1],
[0,1,1],
[1,0,1],
[1,1,1]])
This is what I did: 这是我所做的:
import numpy as np
from PIL import Image
image1 = Image.open('cat0.jpg').convert('L')
image_array1 = arr = np.array(image1)
image_array_to_vector1 = image_array1.ravel()
image2 = Image.open('cat1.jpg').convert('L')
image_array2 = arr = np.array(image2)
image_array_to_vector2 = image_array2.ravel()
image3 = Image.open('cat2.jpg').convert('L')
image_array3 = arr = np.array(image3)
image_array_to_vector3 = image_array3.ravel()
image4 = Image.open('dog1.jpg').convert('L')
image_array4 = arr = np.array(image4)
image_array_to_vector4 = image_array4.ravel()
X = np.array(image_array_to_vector1,image_array_to_vector2,image_array_to_vector3,image_array_to_vector4)
I'm however getting the following error: 但是,出现以下错误:
X = np.array(image_array_to_vector1,image_array_to_vector2,image_array_to_vector3,image_array_to_vector4)
ValueError: only 2 non-keyword arguments accepted
What am I doing wrong? 我究竟做错了什么? How can I solve this issue?
我该如何解决这个问题?
Thanks. 谢谢。
我相信要将其传递给多维数组,您将需要将数组方法的参数以数组表示法放置:
X = np.array([image_array_to_vector1,image_array_to_vector2,image_array_to_vector3,image_array_to_vector4])
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