E to B E to B

코드

• [Numpy] RGB mean/std 구하기

  코드 2020. 12. 10. 16:40

  import json from PIL import Image import numpy as np with open('test.json', 'r') as json_file: dataset = json.load(json_file) print(len(dataset)) images = [] i = 0 for k, v in dataset.items(): i += 1 print(i, k) image = Image.open(k) image = np.asarray(image) images.append(image) images = np.array(images) print("MEAN") print(np.mean(images[:,:,:,0]) / 255.) print(np.mean(images[:,:,:,1]) / 255.)..

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• [Python] Matplotlib 히스토그램

  코드 2020. 12. 8. 15:37

  Plot histogram and save as png file. import matplotlib.pyplot as plt plt.hist(aspect_ratios, bins=50) plt.ylabel('Number of boxes') plt.xlabel('Aspect raio') plt.savefig('aspect_ratio.png')

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• [Python] read/write json

  코드 2020. 11. 25. 21:45

  import json # write with open('data.json', 'w') as outfile: json.dump(data, outfile) # read with open('data.json') as json_file: data = json.load(json_file)

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