这是一个基于 ERNIE-Image Turbo 的图生图增强工作流。
用户上传一张图片，结合提示词，模型会在原图基础上进行重绘和细节优化。整个流程结构非常标准：
图片先经过分辨率控制，再编码为 latent，然后结合提示词通过采样器生成新图，最后通过 VAE 解码输出成图像。
相比普通文生图，这条流的特点是：
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可以在原图基础上进行风格重绘
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可以控制构图不变，只优化细节
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支持提示词引导画面变化
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结构简单，稳定性高，适合做AI应用
适用场景：
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图片精修 / 放大重绘
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风格转换
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二次创作
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人像优化 / 场景优化
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