The Verge - Artificial Intelligences 05月21日 01:59
Google has a new tool just for making AI videos
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Google发布了新的AI视频工具Flow,旨在简化AI生成视频的创作过程。Flow允许用户通过文本到视频的提示以及结合图像素材来生成8秒的AI视频片段。它还提供场景构建工具,方便用户将多个片段拼接在一起,类似于一个AI视频编辑应用。此外,Google还推出了新的Veo 3视频生成模型,该模型具有更高的质量,更容易提示,并且可以同时生成视频和声音。同时,Veo 2将提供相机控制和对象移除等工具。Imagen 4图像生成模型也得到了改进,提高了质量,可以导出更多格式,并且更擅长生成真实的文本。

🎬 Google推出AI视频工具Flow,它允许用户使用文本提示和图像素材来创建8秒的AI生成视频片段,并提供场景构建工具,方便用户将多个片段组合在一起。

🔊 Google发布了Veo 3视频生成模型,它在质量上有所提升,更容易操作,并且可以同时生成视频和音频,包括对话。

🖼️ Imagen 4图像生成模型得到了改进,提高了图像质量,支持导出更多格式,并且能够生成更真实的文本,减少了AI图像中常见的乱码现象。

✂️ Veo 2视频模型将提供相机控制和对象移除等工具,为用户提供更精细的编辑功能。


Google wants to make it easier to create AI-generated videos, and it has a new tool to do it. It’s called Flow, and Google is announcing it alongside its new Veo 3 video generation model, more controls for its Veo 2 model, and a new image generation model, Imagen 4. 

With Flow, you can use things like text-to-video prompts and ingredients-to-video prompts (basically, sharing a few images that Flow can use alongside a prompt to help inform the model what you’re looking for) to build eight-second AI-generated clips. Then, you can use Flow’s scenebuilder tools to stitch multiple clips together.

Flow seems kind of like a film editing app, but for building AI-generated videos, and while I’m not a filmmaker, I can see how it might be a useful tool based on a demo I saw. In a briefing, Thomas Iljic, a product manager at Google Labs, showed me a few examples of Flow in action.

In one demo, we watched an animated-style video; the “camera” zoomed out to reveal that the video was playing on a TV; the video zoomed out again to show the room the TV was in. Then, the “camera” slowly flew through a window and watched a truck pass by.

It all looked pretty seamless, though I was only briefly seeing the video in a tiny Google Meet window, so I can’t speak to any AI strangeness that might be visible if you look closely. But the idea for Flow isn’t so much about creating long videos. Instead, it’s more about helping filmmakers quickly get their ideas “on paper,” says Iljic.

As for Google’s new models announced at I/O, Veo 3 will have better quality, is easier to prompt, and can generate video and sound together (including dialogue), Matthieu Lorrain, creative lead at Google DeepMind, tells The Verge. It’s also better at understanding longer prompts and correctly handling a succession of events in your prompt.

Veo 2 will offer tools like camera controls and object removal. And Google’s new image generation model, Imagen 4, has improved quality, can export in more formats, and is apparently better at writing real text instead of the AI garble that often appears in these images.

Flow is launching today in the US for people who subscribe to Google’s new Google AI Pro and Google AI Ultra plans. “Google AI Pro gives you the key Flow features and 100 generations per month, and Google AI Ultra gives you the highest usage limits and early access to Veo 3 with native audio generation,” according to a blog post.

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