Search Results for author: Tianxin Huang

Found 25 papers, 12 papers with code

FreeSplat++: Generalizable 3D Gaussian Splatting for Efficient Indoor Scene Reconstruction

1 code implementation29 Mar 2025 Yunsong Wang, Tianxin Huang, Hanlin Chen, Gim Hee Lee

After the feed-forward reconstruction of 3DGS primitives, we investigate a depth-regularized per-scene fine-tuning process.

3DGS Indoor Scene Reconstruction +1

Unified Geometry and Color Compression Framework for Point Clouds via Generative Diffusion Priors

no code implementations23 Mar 2025 Tianxin Huang, Gim Hee Lee

With the growth of 3D applications and the rapid increase in sensor-collected 3D point cloud data, there is a rising demand for efficient compression algorithms.

Denoising

Hyperbolic Binary Neural Network

no code implementations7 Jan 2025 Jun Chen, Jingyang Xiang, Tianxin Huang, Xiangrui Zhao, Yong liu

Specifically, we transform the constrained problem in hyperbolic space into an unconstrained one in Euclidean space using the Riemannian exponential map.

GEAL: Generalizable 3D Affordance Learning with Cross-Modal Consistency

1 code implementation12 Dec 2024 Dongyue Lu, Lingdong Kong, Tianxin Huang, Gim Hee Lee

Identifying affordance regions on 3D objects from semantic cues is essential for robotics and human-machine interaction.

cross-modal alignment Transfer Learning

Learning to Decouple the Lights for 3D Face Texture Modeling

no code implementations11 Dec 2024 Tianxin Huang, Zhenyu Zhang, Ying Tai, Gim Hee Lee

According to experiments on both single images and video sequences, we demonstrate the effectiveness of our approach in modeling facial textures under challenging illumination affected by occlusions.

VCR-GauS: View Consistent Depth-Normal Regularizer for Gaussian Surface Reconstruction

no code implementations9 Jun 2024 Hanlin Chen, Fangyin Wei, Chen Li, Tianxin Huang, Yunsong Wang, Gim Hee Lee

Although 3D Gaussian Splatting has been widely studied because of its realistic and efficient novel-view synthesis, it is still challenging to extract a high-quality surface from the point-based representation.

Novel View Synthesis Surface Reconstruction

FreeSplat: Generalizable 3D Gaussian Splatting Towards Free-View Synthesis of Indoor Scenes

1 code implementation28 May 2024 Yunsong Wang, Tianxin Huang, Hanlin Chen, Gim Hee Lee

However, existing generalizable 3D Gaussian Splatting methods are largely confined to narrow-range interpolation between stereo images due to their heavy backbones, thus lacking the ability to accurately localize 3D Gaussian and support free-view synthesis across wide view range.

Novel View Synthesis Triplet

ComPC: Completing a 3D Point Cloud with 2D Diffusion Priors

1 code implementation10 Apr 2024 Tianxin Huang, Zhiwen Yan, Yuyang Zhao, Gim Hee Lee

3D point clouds directly collected from objects through sensors are often incomplete due to self-occlusion.

Colorization Point Cloud Completion

FaceChain-ImagineID: Freely Crafting High-Fidelity Diverse Talking Faces from Disentangled Audio

1 code implementation CVPR 2024 Chao Xu, Yang Liu, Jiazheng Xing, Weida Wang, Mingze Sun, Jun Dan, Tianxin Huang, Siyuan Li, Zhi-Qi Cheng, Ying Tai, Baigui Sun

In this paper, we abstract the process of people hearing speech, extracting meaningful cues, and creating various dynamically audio-consistent talking faces, termed Listening and Imagining, into the task of high-fidelity diverse talking faces generation from a single audio.

Disentanglement

Learnable Chamfer Distance for Point Cloud Reconstruction

1 code implementation27 Dec 2023 Tianxin Huang, Qingyao Liu, Xiangrui Zhao, Jun Chen, Yong liu

As point clouds are 3D signals with permutation invariance, most existing works train their reconstruction networks by measuring shape differences with the average point-to-point distance between point clouds matched with predefined rules.

Point cloud reconstruction

MaxQ: Multi-Axis Query for N:M Sparsity Network

1 code implementation CVPR 2024 Jingyang Xiang, Siqi Li, JunHao Chen, Zhuangzhi Chen, Tianxin Huang, Linpeng Peng, Yong liu

Meanwhile, a sparsity strategy that gradually increases the percentage of N:M weight blocks is applied, which allows the network to heal from the pruning-induced damage progressively.

Image Classification Instance Segmentation +3

Decentralized Riemannian Conjugate Gradient Method on the Stiefel Manifold

no code implementations21 Aug 2023 Jun Chen, Haishan Ye, Mengmeng Wang, Tianxin Huang, Guang Dai, Ivor W. Tsang, Yong liu

This paper proposes a decentralized Riemannian conjugate gradient descent (DRCGD) method that aims at minimizing a global function over the Stiefel manifold.

Second-order methods

Data-Free Quantization via Mixed-Precision Compensation without Fine-Tuning

no code implementations2 Jul 2023 Jun Chen, Shipeng Bai, Tianxin Huang, Mengmeng Wang, Guanzhong Tian, Yong liu

In this paper, we propose a data-free mixed-precision compensation (DF-MPC) method to recover the performance of an ultra-low precision quantized model without any data and fine-tuning process.

Data Free Quantization Model Compression

SSC-RS: Elevate LiDAR Semantic Scene Completion with Representation Separation and BEV Fusion

1 code implementation27 Jun 2023 Jianbiao Mei, Yu Yang, Mengmeng Wang, Tianxin Huang, Xuemeng Yang, Yong liu

However, how to effectively exploit the relationships between the semantic context in semantic segmentation and geometric structure in scene completion remains under exploration.

Autonomous Driving Scene Understanding +1

Multimodal-driven Talking Face Generation via a Unified Diffusion-based Generator

no code implementations4 May 2023 Chao Xu, Shaoting Zhu, Junwei Zhu, Tianxin Huang, Jiangning Zhang, Ying Tai, Yong liu

More specifically, given a textured face as the source and the rendered face projected from the desired 3DMM coefficients as the target, our proposed Texture-Geometry-aware Diffusion Model decomposes the complex transfer problem into multi-conditional denoising process, where a Texture Attention-based module accurately models the correspondences between appearance and geometry cues contained in source and target conditions, and incorporate extra implicit information for high-fidelity talking face generation.

Denoising Face Swapping +1

Rethinking Mobile Block for Efficient Attention-based Models

1 code implementation ICCV 2023 Jiangning Zhang, Xiangtai Li, Jian Li, Liang Liu, Zhucun Xue, Boshen Zhang, Zhengkai Jiang, Tianxin Huang, Yabiao Wang, Chengjie Wang

This paper focuses on developing modern, efficient, lightweight models for dense predictions while trading off parameters, FLOPs, and performance.

Unity

Learning To Measure the Point Cloud Reconstruction Loss in a Representation Space

no code implementations CVPR 2023 Tianxin Huang, Zhonggan Ding, Jiangning Zhang, Ying Tai, Zhenyu Zhang, Mingang Chen, Chengjie Wang, Yong liu

Specifically, we use the contrastive constraint to help CALoss learn a representation space with shape similarity, while we introduce the adversarial strategy to help CALoss mine differences between reconstructed results and ground truths.

Point cloud reconstruction

SuperLine3D: Self-supervised Line Segmentation and Description for LiDAR Point Cloud

1 code implementation3 Aug 2022 Xiangrui Zhao, Sheng Yang, Tianxin Huang, Jun Chen, Teng Ma, Mingyang Li, Yong liu

To repetitively extract them as features and perform association between discrete LiDAR frames for registration, we propose the first learning-based feature segmentation and description model for 3D lines in LiDAR point cloud.

Point Cloud Registration Segmentation

Thoughts on the Consistency between Ricci Flow and Neural Network Behavior

no code implementations16 Nov 2021 Jun Chen, Tianxin Huang, Wenzhou Chen, Yong liu

During the training process of the neural network, we observe that its metric will also regularly converge to the linearly nearly Euclidean metric, which is consistent with the convergent behavior of linearly nearly Euclidean metrics under the Ricci-DeTurck flow.

Riemannian Manifold Embeddings for Straight-Through Estimator

no code implementations29 Sep 2021 Jun Chen, Hanwen Chen, Jiangning Zhang, Yuang Liu, Tianxin Huang, Yong liu

Quantized Neural Networks (QNNs) aim at replacing full-precision weights $\boldsymbol{W}$ with quantized weights $\boldsymbol{\hat{W}}$, which make it possible to deploy large models to mobile and miniaturized devices easily.

Quantization

Manifold Micro-Surgery with Linearly Nearly Euclidean Metrics

no code implementations29 Sep 2021 Jun Chen, Tianxin Huang, Wenzhou Chen, Yong liu

The Ricci flow is a method of manifold surgery, which can trim manifolds to more regular.

Semantic Segmentation-assisted Scene Completion for LiDAR Point Clouds

1 code implementation23 Sep 2021 Xuemeng Yang, Hao Zou, Xin Kong, Tianxin Huang, Yong liu, Wanlong Li, Feng Wen, Hongbo Zhang

Specifically, the network takes a raw point cloud as input, and merges the features from the segmentation branch into the completion branch hierarchically to provide semantic information.

3D Semantic Scene Completion 3D Semantic Segmentation +4

SSC: Semantic Scan Context for Large-Scale Place Recognition

1 code implementation1 Jul 2021 Lin Li, Xin Kong, Xiangrui Zhao, Tianxin Huang, Yong liu

We also present a two-step global semantic ICP to obtain the 3D pose (x, y, yaw) used to align the point cloud to improve matching performance.

Translation Visual Place Recognition

RFNet: Recurrent Forward Network for Dense Point Cloud Completion

no code implementations ICCV 2021 Tianxin Huang, Hao Zou, Jinhao Cui, Xuemeng Yang, Mengmeng Wang, Xiangrui Zhao, Jiangning Zhang, Yi Yuan, Yifan Xu, Yong liu

The RFE extracts multiple global features from the incomplete point clouds for different recurrent levels, and the FDC generates point clouds in a coarse-to-fine pipeline.

Point Cloud Completion

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