Search Results for author: Jinnan Chen

Found 9 papers, 4 papers with code

MAR-3D: Progressive Masked Auto-regressor for High-Resolution 3D Generation

no code implementations26 Mar 2025 Jinnan Chen, Lingting Zhu, Zeyu Hu, Shengju Qian, Yugang Chen, Xin Wang, Gim Hee Lee

Recent advances in auto-regressive transformers have revolutionized generative modeling across different domains, from language processing to visual generation, demonstrating remarkable capabilities.

3D Generation Denoising +1

MuMA: 3D PBR Texturing via Multi-Channel Multi-View Generation and Agentic Post-Processing

no code implementations24 Mar 2025 Lingting Zhu, Jingrui Ye, Runze Zhang, Zeyu Hu, Yingda Yin, Lanjiong Li, Jinnan Chen, Shengju Qian, Xin Wang, Qingmin Liao, Lequan Yu

Current methods for 3D generation still fall short in physically based rendering (PBR) texturing, primarily due to limited data and challenges in modeling multi-channel materials.

3D Generation

Large Images are Gaussians: High-Quality Large Image Representation with Levels of 2D Gaussian Splatting

1 code implementation13 Feb 2025 Lingting Zhu, Guying Lin, Jinnan Chen, Xinjie Zhang, Zhenchao Jin, Zhao Wang, Lequan Yu

While Implicit Neural Representations (INRs) have demonstrated significant success in image representation, they are often hindered by large training memory and slow decoding speed.

3D Reconstruction Novel View Synthesis

DiHuR: Diffusion-Guided Generalizable Human Reconstruction

no code implementations16 Nov 2024 Jinnan Chen, Chen Li, Gim Hee Lee

We introduce DiHuR, a novel Diffusion-guided model for generalizable Human 3D Reconstruction and view synthesis from sparse, minimally overlapping images.

3D Reconstruction Novel View Synthesis +1

SPRMamba: Surgical Phase Recognition for Endoscopic Submucosal Dissection with Mamba

no code implementations18 Sep 2024 Xiangning Zhang, Jinnan Chen, Qingwei Zhang, Chengfeng Zhou, Zhengjie Zhang, Xiaobo Li, Dahong Qian

Endoscopic Submucosal Dissection (ESD) is a minimally invasive procedure initially designed for the treatment of early gastric cancer but is now widely used for various gastrointestinal lesions.

Mamba Surgical phase recognition

Generalizable Human Gaussians from Single-View Image

1 code implementation10 Jun 2024 Jinnan Chen, Chen Li, Jianfeng Zhang, Lingting Zhu, Buzhen Huang, Hanlin Chen, Gim Hee Lee

To mitigate the potential generation of unrealistic human poses and shapes, we incorporate human priors from the SMPL-X model as a dual branch, propagating image features from the SMPL-X volume to the image Gaussians using sparse convolution and attention mechanisms.

Novel View Synthesis SSIM +1

Weakly-supervised 3D Pose Transfer with Keypoints

1 code implementation ICCV 2023 Jinnan Chen, Chen Li, Gim Hee Lee

The main challenges of 3D pose transfer are: 1) Lack of paired training data with different characters performing the same pose; 2) Disentangling pose and shape information from the target mesh; 3) Difficulty in applying to meshes with different topologies.

Pose Transfer

Feature Distillation With Guided Adversarial Contrastive Learning

no code implementations21 Sep 2020 Tao Bai, Jinnan Chen, Jun Zhao, Bihan Wen, Xudong Jiang, Alex Kot

In this paper, we propose a novel approach called Guided Adversarial Contrastive Distillation (GACD), to effectively transfer adversarial robustness from teacher to student with features.

Adversarial Robustness Contrastive Learning

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