activity
20242026
collaborators

18 papers

cs.CV2026

CtrlWAM: Controllable World Action Models with Aligned Intent and Foresight

Chensheng Peng, Wenhao Ding, Ran Tian +9

World action models (WAMs) jointly predict actions (intent) and visual future (foresight). Standard training adds noise to recorded actions and video simultaneously, but such train…

cs.CV2026

RoboSTAR: Next-Scale Autoregressive Sign Language Translation for Humanoid Robots

Yujia Zeng, Chensheng Peng, Yuxin Chen +3

Sign-language interpretation in public communication relies on qualified professional interpreters and can be difficult to scale, motivating robotic signing as a complementary acce…

cs.AR2026

Mitigating Compiler Fusion-Induced Power Bursts in Mobile NPU Inference as the Battery Depletes

Ryoga Yuzawa, Masayoshi Tomizuka

Mobile devices increasingly rely on real-time NPU inference for camera and perception workloads. Under low-voltage conditions, however, a single inference can induce an instantaneo…

cs.CV2026

ECoSim: Data Efficient Fine-Tuning for Controllable Traffic Simulation

Yu-Hsiang Chen, Wei-Jer Chang, Yi-Ting Chen +1

Controllable traffic simulation is critical for testing autonomous driving systems, yet existing approaches often require retraining large generative models with extensive annotate…

cs.RO2026

Scaling Nonlinear Optimization: Many Problems One GPU

John Viljoen, Johanna Haffner, Masayoshi Tomizuka +1

Many robotics problems, including trajectory optimization, inverse kinematics, and contact-rich motion planning, reduce to nonlinear programs (NLPs). Mature NLP solvers such as IPO…

cs.RO2026

TEXEDO : Test Time Scaling for Controller-aware Language-conditioned Humanoid Motion Generation

Jianuo Cao, Yuxin Chen, Yuzhen Song +3

Text-conditioned motion generation is a promising interface for programming humanoid robots, yet current generators are often trained on human motion datasets retargeted to robot m…

cs.CV2026

Towards Interactive Video World Modeling: Frontiers, Challenges, Benchmarks, and Future Trends

Jiuming Liu, Chaojun Ni, Mengmeng Liu +7

With rapid development of large language models and diffusion-based content generation, world modeling has attracted increasing research attention, benefiting various downstream do…

cs.RO2026

CLAW: Composable Language-Annotated Whole-body Motion Generation

Jianuo Cao, Yuxin Chen, Masayoshi Tomizuka

Training language-conditioned whole-body controllers for humanoid robots demands large-scale motion-language datasets. Existing approaches based on motion capture are costly and li…

cs.CV2026

Rethinking Image-to-3D Generation with Sparse Queries: Efficiency, Capacity, and Input-View Bias

Zhiyuan Xu, Jiuming Liu, Yuxin Chen +3

We present SparseGen, a novel framework for efficient image-to-3D generation, which exhibits low input-view bias while being significantly faster. Unlike traditional approaches tha…

cs.RO2026

DiscreteRTC: Discrete Diffusion Policies are Natural Asynchronous Executors

Pengcheng Wang, Kaiwen Hong, Chensheng Peng +4

Unlike chatbots, physical AI must act while the world keeps evolving. Therefore, the inter-chunk pause of synchronous executors are fatal for dynamic tasks regardless of how fast t…

cs.CV2026

URoPE: Universal Relative Position Embedding across Geometric Spaces

Yichen Xie, Depu Meng, Chensheng Peng +4

Relative position embedding has become a standard mechanism for encoding positional information in Transformers. However, existing formulations are typically limited to a fixed geo…

cs.RO2026

Multi-Camera View Scaling for Data-Efficient Robot Imitation Learning

Yichen Xie, Yixiao Wang, Shuqi Zhao +4

The generalization ability of imitation learning policies for robotic manipulation is fundamentally constrained by the diversity of expert demonstrations, while collecting demonstr…

cs.GR2026

RT-GS: Gaussian Splatting with Reflection and Transmittance Primitives

Kunnong Zeng, Chensheng Peng, Yichen Xie +2

Gaussian Splatting is a powerful tool for reconstructing diffuse scenes, but it struggles to simultaneously model specular reflections and the appearance of objects behind semi-tra…

cs.CV2026

RAYNOVA: Scale-Temporal Autoregressive World Modeling in Ray Space

Yichen Xie, Chensheng Peng, Mazen Abdelfattah +6

World foundation models aim to simulate the evolution of the real world with physically plausible behavior. Unlike prior methods that handle spatial and temporal correlations separ…

cs.RO2026

Adaptive Linear Path Model-Based Diffusion

Yutaka Shimizu, Masayoshi Tomizuka

The interest in combining model-based control approaches with diffusion models has been growing. Although we have seen many impressive robotic control results in difficult tasks, t…

cs.CV2025

StreamDiT: Real-Time Streaming Text-to-Video Generation

Akio Kodaira, Tingbo Hou, Ji Hou +4

Recently, great progress has been achieved in text-to-video (T2V) generation by scaling transformer-based diffusion models to billions of parameters, which can generate high-qualit…

cs.LG2024

Bisimulation metric for Model Predictive Control

Yutaka Shimizu, Masayoshi Tomizuka

Model-based reinforcement learning has shown promise for improving sample efficiency and decision-making in complex environments. However, existing methods face challenges in train…

cs.RO2024

Differentiable Predictive Control for Robotics: A Data-Driven Predictive Safety Filter Approach

John Viljoen, Wenceslao Shaw Cortez, Jan Drgona +3

Model Predictive Control (MPC) is effective at generating safe control strategies in constrained scenarios, at the cost of computational complexity. This is especially the case in…