Witryna10 mar 2024 · plt.imshow 是 matplotlib 库中的一个函数,用于显示图片。下面是一个使用 plt.imshow 的示例: ```python import matplotlib.pyplot as plt import numpy as np # 创建一个 5x5 的随机数组 image = np.random.rand(5, 5) # 显示图片 plt.imshow(image, cmap='gray') # 隐藏坐标轴 plt.axis('off') # 显示图片 plt.show() ``` 这个示例中,我们首 … Witryna2 lut 2024 · imshow (np.log (abs (orbiter_fft2)), cmap='gray'); Fourier transform with the suppressed vertical line. The vertical line is not connected in the middle because connecting the line may remove...
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WitrynaThe imshow function displays the value low (and any value less than low) as black, and it displays the value high (and any value greater than high) as white. Values between … WitrynaThe imshow function displays the value low (and any value less than low) as black, and it displays the value high (and any value greater than high) as white. Values between … go https 服务器
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Witryna21 wrz 2016 · import matplotlib.cm as cm import scipy.misc import scipy.ndimage.filters #Function for plotting abs: pic_n = 1 def show_abs (I, plot_title): plt.title (plot_title) plt.tight_layout () plt.axis ('off') plt.imshow (abs (I), cm.gray) #Reading the image into numpy array: A = scipy.misc.imread ('moon1.jpg', flatten=True) plt.figure (pic_n) pic_n … Witryna24 sty 2013 · When I do the imshow with abs then the picture is different ,blurred , any idea why ? thanks . – JAN Jan 24, 2013 at 18:12 Probably because you have negative values, so abs distorts that. Try using real instead of abs then. But really, you need to understand what you're displaying. Witryna27 sty 2024 · (Image by Author) From the Fourier Transform Representation, we can see a central white speck in the image. This central speck is the DC component of the image, which gives the information of the ... go http template