优酷上线4K修复版经典剧漫，包括《宝莲灯》《哪吒闹海》等

3 月 3 日消息，今日，优酷宣布，经过优酷技术团队 4K 修复的《大宅门》《宝莲灯》《哪吒闹海》等童年经典国剧国漫正式上线，优酷搜索“超清经典”即可进入专区。

据介绍，优酷在 2017 年就启动了“高清修复计划”，对经典国产内容进行修复，5 年时间里一共完成修复了 5000 部经典剧集、电影和动漫。

优酷方面表示，早期的影视作品，因为拍摄和存储设备落后、胶片保存等因素，导致分辨率低、噪声大、画面抖动，划痕、色偏严重等问题。自 2017 年“高清修复计划”启动后，优酷技术团队将经典内容批量转为数字化，再使用超级分辨率视频增强，AI 机器学习等技术，将《葫芦兄弟》《黑猫警长》《少年包青天》等儿时记忆中的经典从 480P 变成了 1080P。

2019 年，优酷上线了“高清经典”专区。在已经修复完的 5000 多部老片里，优酷修过最老的是 1937 年上映的《马路天使》；最长的片子是《自古英雄出少年》，一共有 100 多集。

优酷指出，技术团队也在对老片修复技术不断升级，从早期的传统图像算法修复到深度学习 AI 修复再到如今的细节再生 AI 修复，解决了这些经典作品中如衣服纹理、背景树叶等细节模糊的问题，还运用了自监督模型、高精细人脸修复模型等技术。

IT之家了解到，除了第一批上线的 4K 修复作品，优酷还在同步进行对其他经典作品的修复。

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