activity
20242026
collaborators

10 papers

cs.CV2026

HPSv3++: Scaling Reward Models Across the Full Spectrum of Diffusion Model Capabilities

Yijun Liu, Jie Huang, Zeyue Xue +5

Reward models guide text-to-image (T2I) systems toward outputs aligned with human preferences. However, typical reward models such as HPSv3 are trained on pre-annotated data from e…

cs.CV2026

MesonGS++: Post-training Compression of 3D Gaussian Splatting with Hyperparameter Searching

Shuzhao Xie, Junchen Ge, Weixiang Zhang +10

3D Gaussian Splatting (3DGS) achieves high-quality novel view synthesis with real-time rendering, but its storage cost remains prohibitive for practical deployment. Existing post-t…

cs.RO2025

VGGT-DP: Generalizable Robot Control via Vision Foundation Models

Shijia Ge, Yijun Liu, Yinxin Zhang +4

Visual imitation learning frameworks allow robots to learn manipulation skills from expert demonstrations. While existing approaches mainly focus on policy design, they often negle…

cs.RO2025

Spatial Policy: Guiding Visuomotor Robotic Manipulation with Spatial-Aware Modeling and Reasoning

Yijun Liu, Yuwei Liu, Yuan Meng +8

Vision-centric hierarchical embodied models have demonstrated strong potential. However, existing methods lack spatial awareness capabilities, limiting their effectiveness in bridg…

cs.SD2024

Lungmix: A Mixup-Based Strategy for Generalization in Respiratory Sound Classification

Shijia Ge, Weixiang Zhang, Shuzhao Xie +2

Respiratory sound classification plays a pivotal role in diagnosing respiratory diseases. While deep learning models have shown success with various respiratory sound datasets, our…

cs.CV2024

EVOS: Efficient Implicit Neural Training via EVOlutionary Selector

Weixiang Zhang, Shuzhao Xie, Chengwei Ren +5

We propose EVOlutionary Selector (EVOS), an efficient training paradigm for accelerating Implicit Neural Representation (INR). Unlike conventional INR training that feeds all sampl…

cs.CV2024

Enhancing Implicit Neural Representations via Symmetric Power Transformation

Weixiang Zhang, Shuzhao Xie, Chengwei Ren +3

We propose symmetric power transformation to enhance the capacity of Implicit Neural Representation~(INR) from the perspective of data transformation. Unlike prior work utilizing r…

cs.CV2024

SizeGS: Size-aware Compression of 3D Gaussian Splatting via Mixed Integer Programming

Shuzhao Xie, Jiahang Liu, Weixiang Zhang +7

Recent advances in 3D Gaussian Splatting (3DGS) have greatly improved 3D reconstruction. However, its substantial data size poses a significant challenge for transmission and stora…

cs.CV2024

MesonGS: Post-training Compression of 3D Gaussians via Efficient Attribute Transformation

Shuzhao Xie, Weixiang Zhang, Chen Tang +4

3D Gaussian Splatting demonstrates excellent quality and speed in novel view synthesis. Nevertheless, the huge file size of the 3D Gaussians presents challenges for transmission an…

cs.CV2024

Expansive Supervision for Neural Radiance Field

Weixiang Zhang, Shuzhao Xie, Shijia Ge +3

Neural Radiance Field (NeRF) has achieved remarkable success in creating immersive media representations through its exceptional reconstruction capabilities. However, the computati…