Shanghai AI Lab, in collaboration with multiple institutions, has launched the Bookish·Tianji 3.0 realistic 3D model, a significant advancement in the field of 3D modeling and visualization. This innovative model, which has now been open-sourced, boasts an impressive real-time rendering capability of 100 square kilometers of city-scale environments and is compatible with VR devices, making it a powerful tool for various applications.
Breakthrough in Real-time Rendering
The Bookish·Tianji 3.0 model represents a substantial leap forward in rendering efficiency, with a reported speed increase of nearly 6 times compared to its predecessor. This technological breakthrough not only enhances the performance but also extends the application scope to VR devices, offering a more immersive and interactive experience.
Real-time Rendering Achievements
The initial release of Bookish·Tianji (LandMark) in July 2023 by Shanghai AI Lab and other organizations marked the first time a city-scale 100 square kilometer area was rendered in real-time. Since then, the research team has been dedicated to refining the technology, leading to the release of Bookish·Tianji 2.0, which enabled real-time rendering on a single card. The latest iteration, Bookish·Tianji 3.0, has further improved upon this, enhancing rendering efficiency and expanding its application to VR devices.
Expanding Applications and Accessibility
The Bookish·Tianji 3.0 model is not just a technological achievement; it’s a gateway to a wide range of applications. With its high-quality, real-time rendering capabilities, it has the potential to revolutionize fields such as urban planning, smart tourism, game development, film production, and embodied AI environment simulation.
Compatibility and Open Source
To ensure wider accessibility, the Bookish·Tianji 3.0 model and its training rendering system (LandMarkSystem) have been made open-source. This move not only encourages innovation but also allows a diverse range of users to leverage the technology, regardless of their technical expertise.
Enhanced User Experience
One of the most notable features of the Bookish·Tianji 3.0 model is its enhanced user experience. The model now supports VR devices, allowing users to explore reconstructed scenes in a more immersive and interactive manner. Whether it’s strolling through historical sites or navigating urban streets, the model provides a highly realistic and engaging experience.
Real-time Interaction and Editing
With the integration of VR devices, users can now interact with and edit scenes in a more intuitive and free-form manner. The model’s ability to handle real-time rendering and interaction is a significant advancement, making it easier to explore and understand complex environments.
Technical Advancements
The technical advancements behind the Bookish·Tianji 3.0 model are substantial. The team has developed a new rendering technique called continuous rendering static reusing, which improves rendering precision by 36.93% compared to traditional methods. This ensures a smooth and fluid visual experience, especially crucial for VR applications.
Octree-GS Algorithm
Another key innovation is the Octree-GS algorithm, which utilizes the Octree spatial structure to optimize the 3D Gaussian algorithm. This approach significantly reduces the number of 3D Gaussians required for rendering, leading to more efficient use of computational resources without compromising on quality.
Conclusion
The launch of Bookish·Tianji 3.0 marks a significant milestone in the field of 3D modeling and visualization. With its high rendering efficiency, compatibility with VR devices, and wide range of applications, this model has the potential to transform how we interact with digital environments. As it continues to evolve, we can expect to see even more innovative applications of this groundbreaking technology.
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