no code implementations • 29 Aug 2024 • Zhirui Gao, Renjiao Yi, Chenyang Zhu, Ke Zhuang, Wei Chen, Kai Xu
COLMAP is frequently employed for preprocessing to estimate poses, while it necessitates a large number of feature matches to operate effectively, and it struggles with scenes characterized by sparse features, large baselines between images, or a limited number of input images.
no code implementations • 22 Aug 2024 • Wenhao Li, Zhiyuan Yu, Qijin She, Zhinan Yu, Yuqing Lan, Chenyang Zhu, Ruizhen Hu, Kai Xu
The household rearrangement task involves spotting misplaced objects in a scene and accommodate them with proper places.
no code implementations • 20 Aug 2024 • Zhirui Gao, Renjiao Yi, Yuhang Huang, Wei Chen, Chenyang Zhu, Kai Xu
In this paper, we introduce a hybrid representation of superquadrics and 2D Gaussians, trying to dig 3D structural clues from multi-view image inputs.
no code implementations • 28 Jun 2024 • Kexiong Yu, Hang Zhao, Yuhang Huang, Renjiao Yi, Kai Xu, Chenyang Zhu
We propose DISCO, an efficient DIffusion Solver for Combinatorial Optimization problems that excels in both solution quality and inference speed.
no code implementations • 21 Jun 2024 • Xuening Zhu, Renjiao Yi, Xin Wen, Chenyang Zhu, Kai Xu
The insertion of objects into a scene and relighting are commonly utilized applications in augmented reality (AR).
no code implementations • 1 May 2024 • Zhinan Yu, Zheng Qin, Yijie Tang, Yongjun Wang, Renjiao Yi, Chenyang Zhu, Kai Xu
In this paper, we present NeRF-UR, a novel frame-to-model optimization framework for unsupervised RGB-D registration.
1 code implementation • 22 Apr 2024 • Chenyang Zhu, Kai Li, Yue Ma, Chunming He, Li Xiu
MultiBooth addresses these issues by dividing the multi-concept generation process into two phases: a single-concept learning phase and a multi-concept integration phase.
no code implementations • 21 Feb 2024 • Shishun Zhang, Qijin She, Wenhao Li, Chenyang Zhu, Yongjun Wang, Ruizhen Hu, Kai Xu
To achieve the goal, the core idea is to develop an effective object-to-arm task assignment strategy for minimizing the cumulative task execution time and maximizing the dual-arm cooperation efficiency.
1 code implementation • 28 Aug 2023 • Hui Tian, Chenyang Zhu, Yifei Shi, Kai Xu
The key insight is that if the UDF is estimated correctly, the 3D points should be locally projected onto the underlying surface following the gradient of the UDF.
1 code implementation • ICCV 2023 • Minhao Li, Zheng Qin, Zhirui Gao, Renjiao Yi, Chenyang Zhu, Yulan Guo, Kai Xu
The commonly adopted detect-then-match approach to registration finds difficulties in the cross-modality cases due to the incompatible keypoint detection and inconsistent feature description.
1 code implementation • 28 Jun 2023 • Hui Tian, Zheng Qin, Renjiao Yi, Chenyang Zhu, Kai Xu
Surface reconstruction from raw point clouds has been studied for decades in the computer graphics community, which is highly demanded by modeling and rendering applications nowadays.
no code implementations • CVPR 2023 • Renjiao Yi, Chenyang Zhu, Kai Xu
For re-rendering, we propose a differentiable specular rendering layer to render low-frequency non-Lambertian materials under various illuminations of spherical harmonics.
1 code implementation • 15 Mar 2023 • Zhirui Gao, Renjiao Yi, Zheng Qin, Yunfan Ye, Chenyang Zhu, Kai Xu
To tackle the challenges, we propose an accurate template matching method based on differentiable coarse-to-fine correspondence refinement.
1 code implementation • CVPR 2023 • Yunfan Ye, Renjiao Yi, Zhirui Gao, Chenyang Zhu, Zhiping Cai, Kai Xu
We study the problem of reconstructing 3D feature curves of an object from a set of calibrated multi-view images.
1 code implementation • 3 Dec 2022 • Yaqiao Dai, Renjiao Yi, Chenyang Zhu, Hongjun He, Kai Xu
Therefore, we propose a novel depth map fusion module to combine the advantages of estimations with multi-resolution inputs.
no code implementations • 17 Sep 2022 • Chenyi Liu, Fei Chen, Lu Deng, Renjiao Yi, Lintao Zheng, Chenyang Zhu, Jia Wang, Kai Xu
We introduce a well-targeted down-sampling strategy that focuses more on edge area for efficient feature extraction of complex geometry.
no code implementations • CVPR 2022 • Yao Duan, Chenyang Zhu, Yuqing Lan, Renjiao Yi, Xinwang Liu, Kai Xu
However, adopting relations between all the object or patch proposals for detection is inefficient, and an imbalanced combination of local and global relations brings extra noise that could mislead the training.
no code implementations • 1 Mar 2022 • Yanrong Guo, Chenyang Zhu, Shijie Hao, Richang Hong
Depression is one of the most prevalent mental disorders, which seriously affects one's life.
1 code implementation • 20 Feb 2022 • Yuqing Lan, Yao Duan, Chenyi Liu, Chenyang Zhu, Yueshan Xiong, Hui Huang, Kai Xu
In the field of 3D object detection, previous methods have been taking the advantage of context encoding, graph embedding, or explicit relation reasoning to extract relation context.
2 code implementations • 31 Aug 2021 • Hang Zhao, Chenyang Zhu, Xin Xu, Hui Huang, Kai Xu
In this problem, the items are delivered to the agent without informing the full sequence information.
no code implementations • 12 May 2021 • Jiazhao Zhang, Chenyang Zhu, Lintao Zheng, Kai Xu
We propose to tackle the difficulties of fast-motion camera tracking in the absence of inertial measurements using random optimization, in particular, the Particle Filter Optimization (PFO).
1 code implementation • 26 Jun 2020 • Hang Zhao, Qijin She, Chenyang Zhu, Yin Yang, Kai Xu
We solve a challenging yet practically useful variant of 3D Bin Packing Problem (3D-BPP).
1 code implementation • CVPR 2020 • Jiazhao Zhang, Chenyang Zhu, Lintao Zheng, Kai Xu
Online semantic 3D segmentation in company with real-time RGB-D reconstruction poses special challenges such as how to perform 3D convolution directly over the progressively fused 3D geometric data, and how to smartly fuse information from frame to frame.
no code implementations • 18 Jun 2019 • Lintao Zheng, Chenyang Zhu, Jiazhao Zhang, Hang Zhao, Hui Huang, Matthias Niessner, Kai Xu
In our method, the exploratory robot scanning is both driven by and targeting at the recognition and segmentation of semantic objects from the scene.
no code implementations • CVPR 2020 • Chenyang Zhu, Kai Xu, Siddhartha Chaudhuri, Li Yi, Leonidas Guibas, Hao Zhang
While the part prior network can be trained with noisy and inconsistently segmented shapes, the final output of AdaCoSeg is a consistent part labeling for the input set, with each shape segmented into up to (a user-specified) K parts.
no code implementations • CVPR 2019 • Fenggen Yu, Kun Liu, Yan Zhang, Chenyang Zhu, Kai Xu
Meanwhile, to increase the segmentation accuracy at each node, we enhance the recursive contextual feature with the shape feature extracted for the corresponding part.
Ranked #16 on 3D Part Segmentation on ShapeNet-Part (Class Average IoU metric)
no code implementations • 14 Sep 2018 • Chenyang Zhu, Kai Xu, Siddhartha Chaudhuri, Renjiao Yi, Hao Zhang
The network may significantly alter the geometry and structure of the input parts and synthesize a novel shape structure based on the inputs, while adding or removing parts to minimize a structure plausibility loss.
no code implementations • ECCV 2018 • Renjiao Yi, Chenyang Zhu, Ping Tan, Stephen Lin
We present a method for estimating detailed scene illumination using human faces in a single image.