Author

Qiang Wang

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Preprint Sep 2026

Laplacian Frequency Hierarchies for Efficient 3D Gaussian Splatting Training

Laplacian Frequency Hierarchies is proposed, a simple yet efficient 3DGS scheme that combines Laplacian image decomposition with coarse-to-fine, frequency-staged training, and reduces the number of active Gaussians during training, thereby lowering optimization overhead and accelerating training.

Yixiong Yang, Sirius Z. Zhang, Q. Yan et al. · 0 citations

Preprint Jul 2026

Bidirectional Resource Scheduling for Disaggregated and Asynchronous RL Post-Training

BiDiRL, a hybrid time-space multiplexing architecture for asynchronous, disaggregated RL designed to reduce resource idleness, is presented, including a hot-switch runtime that enables rapid switching between rollout and training resources with negligible overhead and a static, scheduling-aware planner based on time-pe...

Zhiqiang Tan, Maoxin Wang, Sijie Wang et al. · 1 citation