import os
import matplotlib.pyplot as plt
import random
from PIL import Image
# https://blog.csdn.net/qq_44886601/article/details/135486707
def main(path):
classes = [i for i in os.listdir(path)] # ['cat', 'dog']
# 将所有图片按照 类别:路径 字典形式保存
images_path = [] # [{'cat': './data/train\\cat\\Baidu_0000.jpeg'}, {'cat': './data/train\\cat\\Baidu_0002.jpeg'}]
for cla in classes:
for i in os.listdir(os.path.join(path, cla)):
dic = {} # 类别:图像路径
img_path = os.path.join(path, cla, i)
dic[cla] = img_path # {'cat': './data/train\\cat\\Baidu_0000.jpeg'}
images_path.append(dic)
# 随机展示4张图像
plt.figure(figsize=(12, 8))
for i in range(4):
r = random.randint(0, len(images_path) - 1) # 生成随机数
label, im_path = list(images_path[r].keys())[0], list(images_path[r].values())[0]
# cat , ./data/train\cat\Baidu_0049.jpeg
im = Image.open(im_path)
plt.subplot(2, 2, i + 1)
plt.title(label)
plt.imshow(im)
plt.savefig('show.png') # 保存图片
plt.show()
if __name__ == '__main__':
root = './data/train' # 传入目录
main(path=root)
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温馨提示
数据集包含12种球类体育项目图像分类数据集(12分类),数据按照文件夹储存,不需要处理可直接用作深度学习训练数据。 本数据集分为以下12类:篮球、足球、羽毛球、乒乓球等等共12类别(每个类别均有200-300张图片左右) 数据集总大小:706MB 下载解压后的图像目录:训练集(3120张图片)、和测试集(773张图片) data-train 训练集-每个子文件夹放同类别的图像,文件夹名为分类类别 data-test 测试集-每个子文件夹放同类别的图像,文件夹名为分类类别 除此之外,提供了classes的json字典类别文件,以及可视化的脚本py文件
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