图片8位转换成24位

import cv2
import os
from tqdm import tqdm
folder_path = r"C:\Users\yewenjing\Desktop\GAN_输入前\0003"
output_path = r"C:\Users\yewenjing\Desktop\GAN_输入前\3"
for filename in tqdm(os.listdir(folder_path)):
    # 加载8位深度灰度图像
    img = cv2.imread(os.path.join(folder_path, filename), cv2.IMREAD_GRAYSCALE)

    # 将灰度图像转换为24位彩色图像
    color_img = cv2.cvtColor(img, cv2.COLOR_GRAY2RGB)

    output_filename = os.path.splitext(filename)[0] + ".jpg"
    output_filepath = os.path.join(output_path, output_filename)
    cv2.imwrite(output_filepath, color_img)