Big leap in 4D generative modeling in AI - closer to creating animated 3D objects controlled by text prompts with precision. This isn’t just a technical flex—it’s a step toward true cross-modal content generation that retains object identity while enabling dynamic customization.
Why It’s a Big Deal:
4D generation has been held back by the difficulty of controlling appearance and geometry during animation. With these advancements, we’re unlocking applications in virtual worlds, gaming, AR, and immersive media.
Compared to existing baselines, this approach shows:
3x Improvement in Identity Preservation (LPIPS metrics).
Seamless balance between dynamic content realism and visual fidelity.
Significantly improved temporal coherence and semantic alignment with prompts.
Masked SDS Loss + Incremental Viewpoint Sampling: This is the game-changer for motion realism. We leverage attention maps to localize optimization efforts and sample viewpoints incrementally, enhancing both movement fluidity and visual consistency.
How It Works:
Static to Dynamic 4D NeRFs: Starting with a 3D mesh, we build a “static” 4D Neural Radiance Field to lock in the object’s appearance and geometry.
Text-to-Video Diffusion: Animations are generated by a diffusion model, guided directly by natural language prompts.
🚀 The a16z CSX Demo Day is live! Exciting new projects in crypto, gaming, AI, and Web3 are taking the stage. Time to rock and see what the future holds! 🔥 #CSXDemoDay#a16zCrypto#web3#startups"
Web3 is more than decentralization—it's about balancing trust, transparency, and scalability. Off-chain solutions are key to reducing latency and unlocking mass adoption, but the challenge remains: how do we scale without compromising Web3's core values? #Web3#Blockchain#DeFi
Web3 is fertile ground for innovative lotteries, but to thrive, they need more than just flashy prizes. Trust, transparency, and seamless user experiences are key to building long-term engagement and credibility in this vertical for sure. 🌱🎰 #Web3#Crypto
Announcement of AMA session🎉
What we'll be talking about: What is Tapswap (TAPS)? The Tap-to-Earn Mini-App, Explained
Speakers:
Ivan from @Cats_telegram
Samuel from @funton_ai
Wade from @Hibit_Official
Yiyi from @shiliancaijing
Where to watch: https://t.co/C5aS13rH5F
When: 15 August
What time: 12:00 CET
We will manage a complex social actions among humans, AI agents, robotics, and IoT very soon. Traditional finance and company structures will be replaced by web3.0, inherently equipped with smart contracts tailored for this new infrastructure, forming a new social contract theory