Fashion MNIST文件转csv

mnist数据集转化成csv格式。（1.15学习）_seven_不是赛文的博客-优快云博客_mnist数据集csv格式 官方MINIST下载文件格式需要改动，改成csv格式

def convert(imgf, labelf, outf, n):
    #rb，以二进制只读方式从文件开头打开
    #w，从文件开头开始写入
    f = open(imgf, "rb")
    o = open(outf, "w")
    l = open(labelf, "rb")

    # 读入指定字节数
    f.read(16)
    l.read(8)

    # 创建一个列表
    images = []

    for i in range(n):
        # ord()返回字符对应的Asc码
        image = [ord(l.read(1))]
        # print("***************")
        # print(len(image))
        # print(image)
        for j in range(28*28):
            image.append(ord(f.read(1)))
        # print(len(image))
        images.append(image)
        # print("------------")
        # print(images)
    #写入输出文件
    for image in images:
        o.write(",".join(str(pix) for pix in image)+"\n")
    f.close()
    o.close()
    l.close()

# if __name__ == '__main__':
#     #生成train.csv
#     convert(r"自己的路径\train-images.idx3-ubyte", r"自己的路径\train-labels.idx1-ubyte",
#         r"自己的路径\mnist.train.csv", 60000)
#
#     #生成test.csv
#     convert(r"自己的路径\t10k-images.idx3-ubyte", r"自己的路径\t10k-labels.idx1-ubyte",
#         r"自己的路径\mnist_test.csv", 10000)

if __name__ == '__main__':

    convert(r'C:\Users\Lenovo\fashion mnist\train-images-idx3-ubyte/train-images.idx3-ubyte', r"C:\Users\Lenovo\fashion mnist\train-labels-idx1-ubyte/train-labels.idx1-ubyte",
        r"C:\Users\Lenovo\fashion mnist/fashion mnist.train.csv", 60000)


    convert(r"C:\Users\Lenovo\fashion mnist\t10k-images-idx3-ubyte/t10k-images.idx3-ubyte", r"C:\Users\Lenovo\fashion mnist/t10k-labels.idx1-ubyte",
        r"C:\Users\Lenovo\fashion mnist/fashion mnist_test.csv", 10000)
print("Convert Finished!")