原图图片Pjpg将文字abc 转换为图片TjpgTjpg 做为水印图片隐式嵌入到原图图片Pjpg生成SPjpg写程序使得图片SPjpg与原图P相近。生成图片的算法python 程序。和生成的图片中解析出嵌入的图片的python 程序
要实现以上要求,可以使用Python的PIL库(Pillow)进行图像处理。下面是一个示例程序,包含了生成SP.jpg和解析出嵌入的图片的功能。
from PIL import Image, ImageDraw, ImageFont
# 原图图片P.jpg路径
original_image_path = "P.jpg"
# 文字
text = "abc"
# 文字图片T.jpg路径
text_image_path = "T.jpg"
# 输出图片SP.jpg路径
output_image_path = "SP.jpg"
# 加载原图
original_image = Image.open(original_image_path).convert("RGBA")
# 加载文字图片
text_image = Image.open(text_image_path).convert("RGBA")
# 将文字图片缩放到与原图相同大小
text_image = text_image.resize(original_image.size)
# 在原图上绘制文字图片作为水印
watermark_image = Image.new("RGBA", original_image.size)
watermark_image.paste(text_image, (0, 0))
# 将水印图片与原图混合
merged_image = Image.alpha_composite(original_image, watermark_image)
# 保存生成的图片
merged_image.save(output_image_path)
# 解析出嵌入的图片
def extract_watermark(original_image_path, output_image_path):
# 加载原图
original_image = Image.open(original_image_path).convert("RGBA")
# 创建一个与原图相同大小的空白图片
extracted_image = Image.new("RGBA", original_image.size)
# 遍历每个像素点
for x in range(original_image.width):
for y in range(original_image.height):
# 获取原图和生成的图片的像素值
original_pixel = original_image.getpixel((x, y))
merged_pixel = merged_image.getpixel((x, y))
# 提取嵌入的图片
extracted_pixel = (
merged_pixel[0] - original_pixel[0],
merged_pixel[1] - original_pixel[1],
merged_pixel[2] - original_pixel[2],
255
)
# 在空白图片上绘制提取的图片
extracted_image.putpixel((x, y), extracted_pixel)
# 保存提取的图片
extracted_image.save(output_image_path)
# 解析嵌入的图片
extracted_image_path = "extracted_image.png"
extract_watermark(original_image_path, extracted_image_path)
请注意,以上代码仅提供了一个基本的实现示例,实际应用中可能需要根据具体需求进行适当的调整和优化。
原文地址: https://www.cveoy.top/t/topic/ijvU 著作权归作者所有。请勿转载和采集!