腾讯云数据万象盲水印

import cv2
import numpy as np
from PIL import Image

def add_invisible_watermark(original_image_path, watermark_text, output_image_path):
    # 读取原始图像
    img = cv2.imread(original_image_path)
    watermark = np.zeros((img.shape[0], img.shape[1], 3), dtype=np.uint8)
    
    # 创建水印字体
    font = cv2.FONT_HERSHEY_SIMPLEX
    text_size = cv2.getTextSize(watermark_text, font, 1, 2)[0]
    text_x = (img.shape[1] - text_size[0]) // 2
    text_y = (img.shape[0] + text_size[1]) // 2
    
    # 将水印文本绘制到空白图像上
    cv2.putText(watermark, watermark_text, (text_x, text_y), font, 1, (255, 255, 255, 0), 2)
    
    # 将水印与原始图像融合
    alpha = 0.1  # 融合系数
    blended = cv2.addWeighted(img, 1 - alpha, watermark, alpha, 0)
    
    # 保存结果
    cv2.imwrite(output_image_path, blended)

# 使用示例
add_invisible_watermark('original.jpg', 'Copyright 2023', 'output.jpg')