2023年AI视频元年，2024年仍存难题
据知名风险投资公司A16Z合伙人Justine Moore最新发布的2024年AI视频展望显示，2023年是AI视频领域的突破性一年。
2023年初，公开的文本转视频模型尚不存在。短短12个月后，数十种视频生成产品已被积极使用，全球有数百万用户通过文本或图像提示创建短片。
这些产品仍有局限性：大多数生成的视频时长为3-4秒，输出质量参差不齐，角色一致性等问题尚未解决。
Moore指出，我们距离用单一文本提示创造出皮克斯级别的短片还有很长的路要走。
展望2024年，AI视频仍面临以下难题：
* 视频质量：提高视频分辨率、帧率和逼真度。
* 角色一致性：确保角色在整个视频中保持一致的外观和行为。
* 故事结构：生成具有连贯故事情节和角色发展的视频。
* 版权和伦理：解决AI生成视频中使用的受版权保护材料和潜在的偏见问题。
尽管存在这些挑战，Moore对AI视频的未来充满信心。她认为，随着技术的不断进步，AI视频将对娱乐、教育和商业等领域产生变革性影响。
英语如下：
**Headline: The First Year of AI Video: Breakthroughs and Challenges Coexist**
**Keywords:** AI video, text-to-video, generative
**News Content:** 2023: The First Year of AI Video, 2024 Still Presents Challenges
According to the latest 2024 AI Video Outlook released by Justine Moore, a partner at prominent venture capital firm A16Z, 2023 has been a breakthrough year for AI video.
At the beginning of 2023,there were no publicly available text-to-video models. Fast forward 12 months, and dozens of video-generating products are now actively used, with millions of users worldwide creating short clips from text or image prompts.
Limitations remain: most generated videos are 3-4 seconds long, output quality is uneven, and issues like character consistency are yet to be solved.
Moore notes that we are still a long way from creating Pixar-level short films from a single text prompt.
Looking ahead to 2024, AI video still faces challenges:
* **Video quality:** Improving video resolution, frame rate,and realism.
* **Character consistency:** Ensuring characters maintain a consistent appearance and behavior throughout a video.
* **Story structure:** Generating videos with coherent storylines and character development.
* **Copyright and ethics:** Addressing issues of copyrighted material used in AI-generated videos and potential biases.
Despite these challenges, Moore is optimistic about the future of AI video. She believes that as the technology continues to advance, AI video will have a transformative impact on industries such as entertainment, education, and business.
【来源】https://mp.weixin.qq.com/s/_WdPoPfptK8zch7C4dh1iQ
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