这是一款基于 Wan 的视频到视频三阶放大增强应用。
上传一段短视频，并输入一段重绘提示词，应用会在尽量保持原始视频主体与运动趋势的前提下，对画面进行三轮逐级放大与细节重绘，最终输出更清晰、更稳定的增强版视频。
适合用于：
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低清视频增强
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老视频二次清晰化
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角色/人物视频细节补全
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风格统一的视频重绘
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短视频片段高清化处理
推荐这样使用：
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输入视频尽量选择单主体、镜头较稳定、遮挡较少的短片段
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更适合中短时长视频，不建议一开始就上传特别长、特别复杂的片段
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重绘提示词尽量描述主体、动作、场景和希望增强的质感，不要和原视频内容冲突太大
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想让结果更稳定，可以强调“主体一致、动作连贯、细节增强、光影自然、画面稳定”
推荐输入示例：
主体保持一致，动作连贯自然，细节增强，毛发与边缘更清晰，光影自然，画面稳定，整体质感提升。
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