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Xiaoyang Lyu

21 accepted papers

2026

LiFR-Seg: Anytime High-Frame-Rate Segmentation via Event-Guided Propagation

ICLR 2026poster

Dense semantic segmentation in dynamic environments is fundamentally limited by the low-frame-rate (LFR) nature of standard cameras, which creates critical perceptual gaps between frames. To solve this, we introduce *Anytime Interframe Semantic Segmentation*: a new task for predicting segmentation a…

Cited by 0SourceScholar
2026

Re^3Sim: Generating High-Fidelity Simulation Data Via 3D-Photorealistic Real-To-Sim for Robotic Manipulation

ICRA 2026poster

Real-world data collection for robotics is costly and resource-intensive, requiring skilled operators and expensive hardware. Simulations offer a scalable alternative but often fail to achieve sim-to-real generalization due to geometric and visual gaps. To address these challenges, we propose a 3D-p…

Cited by 0Scholar
2026

Stabilizing Streaming Video Geometry via Dynamic Feature Normalization

CVPR 2026

Consistent 3D geometry estimation from streaming RGB input is crucial for real-world applications such as autonomous driving, embodied AI, and large-scale reconstruction. While modern monocular geometry foundation models achieve strong single-image accuracy, they exhibit severe temporal inconsistenc

Cited by 0SourcecodeScholar
2026

UniSplat: Unified Spatio-Temporal Fusion via 3D Latent Scaffolds for Dynamic Driving Scene Reconstruction

ICLR 2026poster

Feed-forward 3D reconstruction for autonomous driving has advanced rapidly, yet existing methods struggle with the joint challenges of sparse, non-overlapping camera views and complex scene dynamics. We present UniSplat, a general feed-forward framework that learns robust dynamic scene reconstructi…

Cited by 0SourceScholar
2025

Deformable Radial Kernel Splatting

CVPR 2025poster

Recently, Gaussian splatting has emerged as a robust technique for representing 3D scenes, enabling real-time rasterization and high-fidelity rendering. However, Gaussians' inherent radial symmetry and smoothness constraints limit their ability to represent complex shapes, often requiring thousands…

Cited by 1SourcePDFScholar
2025

DiST-4D: Disentangled Spatiotemporal Diffusion with Metric Depth for 4D Driving Scene Generation

ICCV 2025poster

Current generative models struggle to synthesize dynamic 4D driving scenes that simultaneously support temporal extrapolation and spatial novel view synthesis (NVS) without per-scene optimization. A key challenge lies in finding an efficient and generalizable geometric representation that seamlessly…

2025

EAG3R: Event-Augmented 3D Geometry Estimation for Dynamic and Extreme-Lighting Scenes

NeurIPS 2025spotlight

Robust 3D geometry estimation from videos is critical for applications such as autonomous navigation, SLAM, and 3D scene reconstruction. Recent methods like DUSt3R demonstrate that regressing dense pointmaps from image pairs enables accurate and efficient pose-free reconstruction. However, existing…

Cited by 0SourceScholar
2025

How Far are AI-generated Videos from Simulating the 3D Visual World: A Learned 3D Evaluation Approach

ICCV 2025poster

Recent advancements in video diffusion models enable the generation of photorealistic videos with impressive 3D consistency and temporal coherence. However, the extent to which these AI-generated videos simulate the 3D visual world remains underexplored. In this paper, we introduce Learned 3D Evalua…

Cited by 0SourcePDFScholar
2024

EscherNet: A Generative Model for Scalable View Synthesis

CVPR 2024poster

We introduce EscherNet a multi-view conditioned diffusion model for view synthesis. EscherNet learns implicit and generative 3D representations coupled with a specialised camera positional encoding allowing precise and continuous relative control of the camera transformation between an arbitrary num…

2024

SC-GS: Sparse-Controlled Gaussian Splatting for Editable Dynamic Scenes

CVPR 2024poster

Novel view synthesis for dynamic scenes is still a challenging problem in computer vision and graphics. Recently Gaussian splatting has emerged as a robust technique to represent static scenes and enable high-quality and real-time novel view synthesis. Building upon this technique we propose a new r…

2024

Spec-Gaussian: Anisotropic View-Dependent Appearance for 3D Gaussian Splatting

NeurIPS 2024poster

The recent advancements in 3D Gaussian splatting (3D-GS) have not only facilitated real-time rendering through modern GPU rasterization pipelines but have also attained state-of-the-art rendering quality. Nevertheless, despite its exceptional rendering quality and performance on standard datasets, 3…

Cited by 45SourcePDFScholar
2024

Splatter a Video: Video Gaussian Representation for Versatile Processing

NeurIPS 2024poster

Video representation is a long-standing problem that is crucial for various downstream tasks, such as tracking, depth prediction, segmentation, view synthesis, and editing. However, current methods either struggle to model complex motions due to the absence of 3D structure or rely on implicit 3D rep…

Cited by 7SourcePDFScholar
2024

Total-Decom: Decomposed 3D Scene Reconstruction with Minimal Interaction

CVPR 2024highlight

Scene reconstruction from multi-view images is a fundamental problem in computer vision and graphics. Recent neural implicit surface reconstruction methods have achieved high-quality results; however editing and manipulating the 3D geometry of reconstructed scenes remains challenging due to the abse…

2023

Hybrid Neural Rendering for Large-Scale Scenes With Motion Blur

CVPR 2023poster

Rendering novel view images is highly desirable for many applications. Despite recent progress, it remains challenging to render high-fidelity and view-consistent novel views of large-scale scenes from in-the-wild images with inevitable artifacts (e.g., motion blur). To this end, we develop a hybrid…

2023

Learning a Room with the Occ-SDF Hybrid: Signed Distance Function Mingled with Occupancy Aids Scene Representation

ICCV 2023poster

Implicit neural rendering, using signed distance function (SDF) representation with geometric priors like depth or surface normal, has made impressive strides in the surface reconstruction of large-scale scenes. However, applying this method to reconstruct a room-level scene from images may miss str…

Cited by 13PDFcodeScholar
2023

MFF-Net: Towards Efficient Monocular Depth Completion With Multi-Modal Feature Fusion

RA-L 2023

Remarkable progress has been achieved by current depth completion approaches, which produce dense depth maps from sparse depth maps and corresponding color images. However, the performances of these approaches are limited due to the insufficient feature extractions and fusions. In this work, we prop

Cited by 38SourceScholar
2023

RICO: Regularizing the Unobservable for Indoor Compositional Reconstruction

ICCV 2023poster

Recently, neural implicit surfaces have become popular for multi-view reconstruction. To facilitate practical applications like scene editing and manipulation, some works extend the framework with semantic masks input for the object-compositional reconstruction rather than the holistic perspective.…

Cited by 13PDFcodeScholar
2023

Speech2Lip: High-fidelity Speech to Lip Generation by Learning from a Short Video

ICCV 2023poster

Synthesizing realistic videos according to a given speech is still an open challenge. Previous works have been plagued by issues such as inaccurate lip shape generation and poor image quality. The key reason is that only motions and appearances on limited facial areas (e.g., lip area) are mainly dri…

Cited by 17PDFcodeScholar
2021

FCFR-Net: Feature Fusion based Coarse-to-Fine Residual Learning for Depth Completion

AAAI 2021technical

Depth completion aims to recover a dense depth map from a sparse depth map with the corresponding color image as input. Recent approaches mainly formulate the depth completion as a one-stage end-to-end learning task, which outputs dense depth maps directly. However, the feature extraction and superv…

Cited by 138SourcePDFScholar
2021

HR-Depth: High Resolution Self-Supervised Monocular Depth Estimation

AAAI 2021technical

Self-supervised learning shows great potential in monocular depth estimation, using image sequences as the only source of supervision. Although people try to use the high-resolution image for depth estimation, the accuracy of prediction has not been significantly improved. In this work…