4 papers
Rotate Your Character: Revisiting Video Diffusion Models for High-Quality 3D Character Generation
Jin Wang, Jianxiang Lu, Comi Chen +9
Generating high-quality 3D characters from single images remains a significant challenge in digital content creation, particularly due to complex body poses and self-occlusion. In…
TAGRPO: Boosting GRPO on Image-to-Video Generation with Direct Trajectory Alignment
Jin Wang, Jianxiang Lu, Guangzheng Xu +10
Recent studies have demonstrated the efficacy of integrating Group Relative Policy Optimization (GRPO) into flow matching models, particularly for text-to-image and text-to-video g…
Car-GS: Addressing Reflective and Transparent Surface Challenges in 3D Car Reconstruction
Congcong Li, Jin Wang, Xiaomeng Wang +4
3D car modeling is crucial for applications in autonomous driving systems, virtual and augmented reality, and gaming. However, due to the distinctive properties of cars, such as hi…
UC-NeRF: Neural Radiance Field for Under-Calibrated Multi-view Cameras in Autonomous Driving
Kai Cheng, Xiaoxiao Long, Wei Yin +6
Multi-camera setups find widespread use across various applications, such as autonomous driving, as they greatly expand sensing capabilities. Despite the fast development of Neural…