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Rivian buys Third Dimension AI, maker of the SuperSim Gaussian-splat driving simulator

Rivian has closed a deal for Third Dimension AI, whose SuperSim tool rebuilds real driving scenes from camera, LiDAR and IMU logs using Gaussian splatting and world modeling, then renders new viewpoints and inserted objects. The roughly 15-person team joins Rivian's autonomy group; terms were not disclosed.

Why it matters

Another automaker is betting on reconstructing real-world sensor logs as 3D sims, rather than hand-built scenes, to train and test autonomy stacks.

Source: Read the full story on Radiance Fields

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Computer Vision / Vision-Language Models

Tencent's WeVisOne-VL handles detection, OCR, segmentation and matting in one model

WeChat Vision researchers describe a vision-language model that covers detection, grounding, counting, OCR, segmentation and alpha matting by predicting structured tokens, with a small pixel decoder for masks. They claim top results across more than 30 benchmarks and say weights are being released.

Why it matters: One small open model could replace several separate perception models in vision pipelines.

Read on arXiv