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Keyi Liu

5 accepted papers

2026

GAUSSIAN2SCENE: 3D SCENE REPRESENTATION LEARNING VIA SELF-SUPERVISED LEARNING WITH 3D GAUSSIAN SPLATTING

ICASSP 2026poster

Self-supervised learning (SSL) for point cloud pre-training has become a cornerstone for many 3D vision tasks, enabling effective learning from large-scale unannotated data. At the scene level, existing SSL methods often incorporate volume rendering into the pre-training framework, using RGB-D image…

Cited by 0SourcePDFScholar
2025

3DMambaIPF: A State Space Model for Iterative Point Cloud Filtering via Differentiable Rendering

AAAI 2025technical

Noise is an inevitable aspect of point cloud acquisition, necessitating filtering as a fundamental task within the realm of 3D vision. Existing learning-based filtering methods have shown promising capabilities on commonly used datasets. Nonetheless, the effectiveness of these methods is constrained…

2025

GS-PT: Exploiting 3D Gaussian Splatting for Comprehensive Point Cloud Understanding via Self-supervised Learning

ICASSP 2025accepted

Self-supervised learning of point cloud aims to leverage unlabeled 3D data to learn meaningful representations without reliance on manual annotations. However, current approaches face challenges such as limited data diversity and inadequate augmentation for effective feature learning. To address the…

Cited by 0SourceScholar
2025

IceDiff: High Resolution and High-Quality Arctic Sea Ice Forecasting with Generative Diffusion Prior

CVPR 2025poster

Variation of Arctic sea ice has significant impacts on polar ecosystems, transporting routes, coastal communities, and global climate. Tracing the change of sea ice at a finer scale is paramount for both operational applications and scientific studies. Recent pan-Arctic sea ice forecasting methods t…

2025

SIFusion: A Unified Fusion Framework for Multi-granularity Arctic Sea Ice Forecasting

NeurIPS 2025poster

Arctic sea ice performs a vital role in global climate and has paramount impacts on both polar ecosystems and coastal communities. In the last few years, multiple deep learning based pan-Arctic sea ice concentration (SIC) forecasting methods have emerged and showcased superior performance over physi…

Cited by 0SourceScholar