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智源 Emu3 证明多模态模型新范式:只需基于下一个 token 预测

AI科技评论  · 公众号  ·  · 2024-10-21 14:49

主要观点总结

智源研究院发布多模态世界模型Emu3,基于下一个token预测技术,无需扩散模型或组合方法,即可完成文本、图像、视频三种模态数据的理解和生成。该模型在图像生成、视频生成、视觉语言理解等任务中表现出卓越性能,提供了一个强大的视觉tokenizer,能够将视频和图像转换为离散token。同时,该模型采用统一视觉Tokenizer和特殊token定义多模态数据格式,通过预训练、特殊训练阶段和开源地址等方式进行训练和调优。未来,统一的多模态世界模型有望广泛应用于自动驾驶、机器人大脑、智能眼镜助手等领域。

关键观点总结

关键观点1: 智源研究院发布多模态世界模型Emu3

基于下一个token预测技术,无需扩散模型或组合方法,实现文本、图像、视频三种模态数据的理解和生成。

关键观点2: Emu3在图像生成、视频生成、视觉语言理解等任务中表现出卓越性能

采用了强大的视觉tokenizer,能够将视频和图像转换为离散token,提高了生成和理解的效率。

关键观点3: Emu3采用统一视觉Tokenizer和特殊token定义多模态数据格式

通过预训练、特殊训练阶段等方式进行训练和调优,提高了模型的泛化能力和性能。

关键观点4: 开源地址便于后续研究和社区构建与集成

智源研究院不仅公开了预训练模型和相应的SFT训练代码,还为未来研究和社区构建与集成提供了便利。

关键观点5: 统一的多模态世界模型未来有广泛的潜在应用

包括自动驾驶、机器人大脑、智能眼镜助手、多模态对话和推理等领域。


正文

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“Emu3的统一方法将带来更高效、更多功能的AI系统,简化多模态AI的开发和应用以及内容生成、分析和理解的新可能性。”
"Emu3 改写了多模态人工智能的规则...Emu3 重新定义了多模态AI,展示了简单可以战胜复杂。多模态AI的未来变得更加精炼与强大。"


1

效果展示

1. 视觉理解

Emu3 展现了强大的图像及视频的感知能力,能够理解物理世界并提供连贯的文本回复。值得注意的是,这种能力是在不依赖于基础LLM模型和CLIP的情况下实现的。

1.1 图像输入

用户问题: Describe the landmark.

模型回答: The image showcases the Brooklyn Bridge, a prominent suspension bridge in New York City, recognized by its distinctive towers and the web of cables that support it. This iconic structure connects the boroughs of Brooklyn and Manhattan.


用户问题: Please describe the image in detail.
模型回答: The image is the cover of a magazine titled "Parktakes," which is the Fall 2017 issue. The cover features two individuals in a white kayak, paddling on a body of water. The kayak is positioned diagonally, with the two individuals seated towards the front. Both individuals are wearing life jackets, which are red with black straps, and they are holding paddles with orange blades. The person on the left is a woman with long dark hair, wearing sunglasses and a black top. The person on the right is a man with short hair, wearing a green shirt and a light-colored cap. They both appear to be smiling and enjoying their time on the water.
The background shows a natural setting with trees and greenery, indicating that they are likely in a park or natural reserve. The water is calm, and the sky is not visible, suggesting a serene and peaceful environment.
The magazine cover includes several text elements:
1. **Title**: "Parktakes" is prominently displayed at the top in large, bold, blue letters.
2. **Fall 2017 Issue**: The issue is marked in the top right corner in a smaller, white font.
3. **Main Feature**: "Enjoy Fall Adventures in Parks" is written in a large, bold, orange font, emphasizing the theme of outdoor activities.
4. **Additional Features**: The cover lists several topics covered in the magazine:           - "Birding, Boating, and Hiking"           - "Seasonal Festivals"           - "New Attractions"
5. **Registration Information**: At the bottom, there is a call to action to "Registration begins Aug. 1 for full classes" and a website link: " www.fairfaxcounty.gov/parks ."
Analysis and Description
The cover of "Parktakes" effectively conveys the theme of outdoor recreational activities, particularly in parks. The image of the two individuals in a kayak suggests that the magazine features content related to kayaking, canoeing, and other water sports. The inclusion of life jackets indicates a focus on safety and preparedness for water activities. The mention of seasonal festivals and new attractions implies that the magazine includes information on various events and attractions within the parks.
The cover also highlights the magazine's commitment to providing a comprehensive guide to outdoor activities, with a clear emphasis on safety and accessibility. The registration information suggests that the magazine is a resource for planning and participating in various outdoor activities, likely targeting a wide audience interested in parks and recreational activities.
In summary, the magazine cover is designed to attract readers interested in outdoor adventures, safety, and seasonal events within parks. The use of a kayak and life jackets emphasizes the magazine's focus on water sports and safety, while the inclusion of various features and registration information suggests a well-rounded resource for park visitors.






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