Search Results for author: Jianfeng Xiang

Found 7 papers, 2 papers with code

Diffusion Models are Geometry Critics: Single Image 3D Editing Using Pre-Trained Diffusion Priors

no code implementations18 Mar 2024 Ruicheng Wang, Jianfeng Xiang, Jiaolong Yang, Xin Tong

We propose a novel image editing technique that enables 3D manipulations on single images, such as object rotation and translation.

Novel View Synthesis

AniPortraitGAN: Animatable 3D Portrait Generation from 2D Image Collections

no code implementations5 Sep 2023 Yue Wu, Sicheng Xu, Jianfeng Xiang, Fangyun Wei, Qifeng Chen, Jiaolong Yang, Xin Tong

For the new task, we base our method on the generative radiance manifold representation and equip it with learnable facial and head-shoulder deformations.

3D-aware Image Generation using 2D Diffusion Models

no code implementations ICCV 2023 Jianfeng Xiang, Jiaolong Yang, Binbin Huang, Xin Tong

In this paper, we introduce a novel 3D-aware image generation method that leverages 2D diffusion models.

Image Generation

GRAM-HD: 3D-Consistent Image Generation at High Resolution with Generative Radiance Manifolds

no code implementations ICCV 2023 Jianfeng Xiang, Jiaolong Yang, Yu Deng, Xin Tong

This paper proposes a novel 3D-aware GAN that can generate high resolution images (up to 1024X1024) while keeping strict 3D consistency as in volume rendering.

Image Generation Super-Resolution

Contrastive learning of Class-agnostic Activation Map for Weakly Supervised Object Localization and Semantic Segmentation

2 code implementations25 Mar 2022 Jinheng Xie, Jianfeng Xiang, Junliang Chen, Xianxu Hou, Xiaodong Zhao, Linlin Shen

While class activation map (CAM) generated by image classification network has been widely used for weakly supervised object localization (WSOL) and semantic segmentation (WSSS), such classifiers usually focus on discriminative object regions.

Contrastive Learning Image Classification +3

C2AM: Contrastive Learning of Class-Agnostic Activation Map for Weakly Supervised Object Localization and Semantic Segmentation

1 code implementation CVPR 2022 Jinheng Xie, Jianfeng Xiang, Junliang Chen, Xianxu Hou, Xiaodong Zhao, Linlin Shen

While class activation map (CAM) generated by image classification network has been widely used for weakly supervised object localization (WSOL) and semantic segmentation (WSSS), such classifiers usually focus on discriminative object regions.

Contrastive Learning Image Classification +3

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