Author

Chao Ma

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Preprint Oct 2026

BluePixel: Toward Native 4K Agentic Image Editing

Instruction-driven image editing has reached native 4K, yet how such editors are trained remains undisclosed, and pretraining one from scratch is beyond most teams. The task itself compounds the difficulty: a single end-to-end editor cannot make precise parametric adjustments, match specialized experts, or interpret th...

Shan-Yan Guan, Shi-Yu Li, Xin Li et al. · 0 citations

Preprint Sep 2026

PointLAM: Local Attentive Mamba for Efficient Point-based 3D Object Detection

3D object detection from LiDAR point clouds faces a fundamental dilemma: voxel-based methods achieve efficiency at the cost of geometric quantization, while point-based methods preserve fidelity but suffer from prohibitive computational bottlenecks. Specifically, point-based architectures are crippled by slow downsampl...

Xuan-Ming Shang, Weijia Zhang, Chao Ma · 0 citations

Preprint Aug 2026

Efficient and High-Quality Depth Estimation via Pixel-Space Diffusion with Linear Attention

Extensive evaluations on multiple benchmarks demonstrate that Lapis consistently achieves state-of-the-art (SOTA) accuracy and boundary sharpness across various resolutions, reducing inference latency by up to 7.6 times compared to previous SOTA generative models.

Bing-De Liu, Wu Ran, Jinglei Zhang et al. · 1 citation