自动驾驶也要玩“元宇宙”？极佳科技用AI脑补，让4D场景重建更丝滑！
近日，极佳科技提出了一种名为 DriveDreamer4D 的全新框架，旨在利用世界模型的先验知识来提升4D 驾驶场景的重建效果。传统的4D 场景重建方法，主要依赖于 NeRF 和3DGS 这两大流派。NeRF 就好比一个超级画家，它能用神经网络，把一堆照片渲染成一个3D 模型。而3DGS 则是用一堆三维高斯函数，来模拟场景中的各种物体。但这两种方法都有个致命弱点:太依赖训练数据了!就好比，你只见过直线行驶的汽车，突然来个漂移过弯，你就懵逼了。所以，在面对复杂路况，比如变道、加速、减速的时候，
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