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我现在正在使用 ffmpeg 库从 1080i YUV 422 原始文件中提取图像。由于我使用隔行扫描数据,当我从一帧视频中提取图像时会丢失一些线条,是否可以合并两帧或三帧并制作单个高清图像?请指导我前进