activity
20222026
most citedDDF-HO: Hand-Held Object Reconstruction via Conditional Directed Distance Field

7 citations · 24 across the 20 of their papers we have counts for

collaborators

21 papers

cs.RO2026

Fetch My Beer: Synthetic-to-real Hierarchical Policy for Smooth Pick-and-place

Yingyue Li, Chenyangguang Zhang, Ruida Zhang +3

Many real-world robotic applications require dynamically sensitive manipulation, where success depends not only on reaching a target state but on maintaining stable object dynamics…

cs.RO2026

3DWay: Generalizing Robot Manipulation via 3D Consistent Waypoints

Ziqin Huang, Yingyue Li, Chenyangguang Zhang +6

Intermediate representations are key to bridging the modality gap between generalizable manipulation policies and large-scale pretrained vision-language models (VLMs). Among these,…

cs.RO2026

Functional-SLAM: Interaction-Aware Mapping with Online Functional Scene Graphs

Xinggang Hu, Chenyangguang Zhang, Zihan Zhu +3

Existing SLAM systems lack modeling of the functional relations required for fine-grained robotic interaction. Functional 3D scene graphs can represent relations between objects an…

cs.CV2026

Surfsvr: 2D Surface Priors as 3D Geometric Regularizers for Sparse Voxel Reconstruction

Yan Di, Chengxi Li, Yaoxing Wang +7

Sparse voxel reconstruction offers an efficient representation for high-fidelity 3D modeling, yet its geometry is commonly optimized from local photometric evidence and discrete vi…

cs.CV2025

Open-Vocabulary Functional 3D Scene Graphs for Real-World Indoor Spaces

Chenyangguang Zhang, Alexandros Delitzas, Fangjinhua Wang +4

We introduce the task of predicting functional 3D scene graphs for real-world indoor environments from posed RGB-D images. Unlike traditional 3D scene graphs that focus on spatial…

cs.CV2025

GIVEPose: Gradual Intra-class Variation Elimination for RGB-based Category-Level Object Pose Estimation

Zinqin Huang, Gu Wang, Chenyangguang Zhang +3

Recent advances in RGBD-based category-level object pose estimation have been limited by their reliance on precise depth information, restricting their broader applicability. In re…

cs.CV2025

FA-BARF: Frequency Adapted Bundle-Adjusting Neural Radiance Fields

Rui Qian, Chenyangguang Zhang, Yan Di +5

Neural Radiance Fields (NeRF) have exhibited highly effective performance for photorealistic novel view synthesis recently. However, the key limitation it meets is the reliance on…

cs.CV2024

Street Gaussians without 3D Object Tracker

Ruida Zhang, Chengxi Li, Chenyangguang Zhang +5

Realistic scene reconstruction in driving scenarios poses significant challenges due to fast-moving objects. Most existing methods rely on labor-intensive manual labeling of object…

cs.CV2024

UNOPose: Unseen Object Pose Estimation with an Unposed RGB-D Reference Image

Xingyu Liu, Gu Wang, Ruida Zhang +3

Unseen object pose estimation methods often rely on CAD models or multiple reference views, making the onboarding stage costly. To simplify reference acquisition, we aim to estimat…

cs.CV2024

LaPose: Laplacian Mixture Shape Modeling for RGB-Based Category-Level Object Pose Estimation

Ruida Zhang, Ziqin Huang, Gu Wang +5

While RGBD-based methods for category-level object pose estimation hold promise, their reliance on depth data limits their applicability in diverse scenarios. In response, recent e…

cs.CV2024

RaSim: A Range-aware High-fidelity RGB-D Data Simulation Pipeline for Real-world Applications

Xingyu Liu, Chenyangguang Zhang, Gu Wang +2

In robotic vision, a de-facto paradigm is to learn in simulated environments and then transfer to real-world applications, which poses an essential challenge in bridging the sim-to…

cs.CV2024

KP-RED: Exploiting Semantic Keypoints for Joint 3D Shape Retrieval and Deformation

Ruida Zhang, Chenyangguang Zhang, Yan Di +4

In this paper, we present KP-RED, a unified KeyPoint-driven REtrieval and Deformation framework that takes object scans as input and jointly retrieves and deforms the most geometri…

cs.CV2023★ 3 cited

SecondPose: SE(3)-Consistent Dual-Stream Feature Fusion for Category-Level Pose Estimation

Yamei Chen, Yan Di, Guangyao Zhai +6

Category-level object pose estimation, aiming to predict the 6D pose and 3D size of objects from known categories, typically struggles with large intra-class shape variation. Exist…

cs.CV2023

ShapeMatcher: Self-Supervised Joint Shape Canonicalization, Segmentation, Retrieval and Deformation

Yan Di, Chenyangguang Zhang, Chaowei Wang +6

In this paper, we present ShapeMatcher, a unified self-supervised learning framework for joint shape canonicalization, segmentation, retrieval and deformation. Given a partially-ob…

cs.CV2023★ 1 cited

MOHO: Learning Single-view Hand-held Object Reconstruction with Multi-view Occlusion-Aware Supervision

Chenyangguang Zhang, Guanlong Jiao, Yan Di +7

Previous works concerning single-view hand-held object reconstruction typically rely on supervision from 3D ground-truth models, which are hard to collect in real world. In contras…

cs.CV2023★ 2 cited

CCD-3DR: Consistent Conditioning in Diffusion for Single-Image 3D Reconstruction

Yan Di, Chenyangguang Zhang, Pengyuan Wang +6

In this paper, we present a novel shape reconstruction method leveraging diffusion model to generate 3D sparse point cloud for the object captured in a single RGB image. Recent met…

cs.CV2023

U-RED: Unsupervised 3D Shape Retrieval and Deformation for Partial Point Clouds

Yan Di, Chenyangguang Zhang, Ruida Zhang +6

In this paper, we propose U-RED, an Unsupervised shape REtrieval and Deformation pipeline that takes an arbitrary object observation as input, typically captured by RGB images or s…

cs.CV2023★ 7 cited

DDF-HO: Hand-Held Object Reconstruction via Conditional Directed Distance Field

Chenyangguang Zhang, Yan Di, Ruida Zhang +4

Reconstructing hand-held objects from a single RGB image is an important and challenging problem. Existing works utilizing Signed Distance Fields (SDF) reveal limitations in compre…

cs.CV2022★ 2 cited

RBP-Pose: Residual Bounding Box Projection for Category-Level Pose Estimation

Ruida Zhang, Yan Di, Zhiqiang Lou +3

Category-level object pose estimation aims to predict the 6D pose as well as the 3D metric size of arbitrary objects from a known set of categories. Recent methods harness shape pr…

cs.CV2022★ 2 cited

SSP-Pose: Symmetry-Aware Shape Prior Deformation for Direct Category-Level Object Pose Estimation

Ruida Zhang, Yan Di, Fabian Manhardt +2

Category-level pose estimation is a challenging problem due to intra-class shape variations. Recent methods deform pre-computed shape priors to map the observed point cloud into th…

cs.CV2022★ 7 cited

GPV-Pose: Category-level Object Pose Estimation via Geometry-guided Point-wise Voting

Yan Di, Ruida Zhang, Zhiqiang Lou +4

While 6D object pose estimation has recently made a huge leap forward, most methods can still only handle a single or a handful of different objects, which limits their application…