Search Results for author: Jianfu Zhang

Found 26 papers, 11 papers with code

WildFake: A Large-scale Challenging Dataset for AI-Generated Images Detection

no code implementations19 Feb 2024 Yan Hong, Jianfu Zhang

2) Hierarchical structure: WildFake contains fake images synthesized by different types of generators from GANs, diffusion models, to other generative models.

ComFusion: Personalized Subject Generation in Multiple Specific Scenes From Single Image

no code implementations19 Feb 2024 Yan Hong, Jianfu Zhang

Recent advancements in personalizing text-to-image (T2I) diffusion models have shown the capability to generate images based on personalized visual concepts using a limited number of user-provided examples.

Dataset Distillation in Latent Space

no code implementations27 Nov 2023 Yuxuan Duan, Jianfu Zhang, Liqing Zhang

Dataset distillation (DD) is a newly emerging research area aiming at alleviating the heavy computational load in training models on large datasets.

Virtual Accessory Try-On via Keypoint Hallucination

no code implementations26 Oct 2023 Junhong Gou, Bo Zhang, Li Niu, Jianfu Zhang, Jianlou Si, Chen Qian, Liqing Zhang

Specifically, our approach learns the human body priors and hallucinates the target locations of specified foreground keypoints in the background.

Hallucination Semantic Segmentation +1

Taming the Power of Diffusion Models for High-Quality Virtual Try-On with Appearance Flow

1 code implementation11 Aug 2023 Junhong Gou, Siyu Sun, Jianfu Zhang, Jianlou Si, Chen Qian, Liqing Zhang

Our approach, namely Diffusion-based Conditional Inpainting for Virtual Try-ON (DCI-VTON), effectively utilizes the power of the diffusion model, and the incorporation of the warping module helps to produce high-quality and realistic virtual try-on results.

Denoising Image Generation +1

SAFA: Sample-Adaptive Feature Augmentation for Long-Tailed Image Classification

no code implementations ECCV 2022. Lecture Notes in Computer Science, vol 13684 2022 Yan Hong, Jianfu Zhang, Zhongyi Sun. Ke Yan

Contrastive loss ensures the transferable semantic directions are class-irrelevant and mode seeking loss is adopted to produce diverse tail-class features and enlarge the feature space of tail classes.

Image Classification Long-tail Learning

DeltaGAN: Towards Diverse Few-shot Image Generation with Sample-Specific Delta

1 code implementation21 Jul 2022 Yan Hong, Li Niu, Jianfu Zhang, Liqing Zhang

In this work, we propose a novel Delta Generative Adversarial Network (DeltaGAN), which consists of a reconstruction subnetwork and a generation subnetwork.

Generative Adversarial Network Image Generation

Dual-Path Image Inpainting With Auxiliary GAN Inversion

no code implementations CVPR 2022 Wentao Wang, Li Niu, Jianfu Zhang, Xue Yang, Liqing Zhang

Different from feed-forward methods, they seek for a closest latent code to the corrupted image and feed it to a pretrained generator.

Image Inpainting

Defending Graph Neural Networks via Tensor-Based Robust Graph Aggregation

no code implementations29 Sep 2021 Jianfu Zhang, Yan Hong, Dawei Cheng, Liqing Zhang, Qibin Zhao

In this paper, we propose a tensor-based framework for GNNs to learn robust graphs from adversarial graphs by aggregating predefined robust graphs to enhance the robustness of GNNs via tensor approximation.

Shadow Generation for Composite Image in Real-world Scenes

1 code implementation21 Apr 2021 Yan Hong, Li Niu, Jianfu Zhang, Liqing Zhang

In this work, we focus on generating plausible shadow for the foreground object in the composite image.

Object

Deep Image Harmonization by Bridging the Reality Gap

1 code implementation31 Mar 2021 Junyan Cao, Wenyan Cong, Li Niu, Jianfu Zhang, Liqing Zhang

Image harmonization has been significantly advanced with large-scale harmonization dataset.

Image Harmonization Transfer Learning

Parallel Multi-Resolution Fusion Network for Image Inpainting

no code implementations ICCV 2021 Wentao Wang, Jianfu Zhang, Li Niu, Haoyu Ling, Xue Yang, Liqing Zhang

Conventional deep image inpainting methods are based on auto-encoder architecture, in which the spatial details of images will be lost in the down-sampling process, leading to the degradation of generated results.

Image Inpainting

Disentangled Information Bottleneck

1 code implementation14 Dec 2020 Ziqi Pan, Li Niu, Jianfu Zhang, Liqing Zhang

The information bottleneck (IB) method is a technique for extracting information that is relevant for predicting the target random variable from the source random variable, which is typically implemented by optimizing the IB Lagrangian that balances the compression and prediction terms.

Adversarial Attack Out-of-Distribution Detection

BargainNet: Background-Guided Domain Translation for Image Harmonization

1 code implementation19 Sep 2020 Wenyan Cong, Li Niu, Jianfu Zhang, Jing Liang, Liqing Zhang

Therefore, we propose an image harmonization network with a novel domain code extractor and well-tailored triplet losses, which could capture the background domain information to guide the foreground harmonization.

Image Harmonization Translation

DeltaGAN: Towards Diverse Few-shot Image Generation with Sample-Specific Delta

1 code implementation18 Sep 2020 Yan Hong, Li Niu, Jianfu Zhang, Jing Liang, Liqing Zhang

In this work, we propose a novel Delta Generative Adversarial Network (DeltaGAN), which consists of a reconstruction subnetwork and a generation subnetwork.

Generative Adversarial Network Image Generation

F2GAN: Fusing-and-Filling GAN for Few-shot Image Generation

1 code implementation5 Aug 2020 Yan Hong, Li Niu, Jianfu Zhang, Weijie Zhao, Chen Fu, Liqing Zhang

In this paper, we propose a Fusing-and-Filling Generative Adversarial Network (F2GAN) to generate realistic and diverse images for a new category with only a few images.

Generative Adversarial Network Image Generation

Beyond without Forgetting: Multi-Task Learning for Classification with Disjoint Datasets

no code implementations15 Mar 2020 Yan Hong, Li Niu, Jianfu Zhang, Liqing Zhang

To address these issues, we propose our MTL with Selective Augmentation (MTL-SA) method to select the training samples in unlabeled datasets with confident pseudo labels and close data distribution to the labeled dataset.

General Classification Multi-Task Learning

MatchingGAN: Matching-based Few-shot Image Generation

1 code implementation7 Mar 2020 Yan Hong, Li Niu, Jianfu Zhang, Liqing Zhang

Matching generator can match random vectors with a few conditional images from the same category and generate new images for this category based on the fused features.

Generative Adversarial Network Image Generation

Exploiting Motion Information from Unlabeled Videos for Static Image Action Recognition

no code implementations1 Dec 2019 Yiyi Zhang, Li Niu, Ziqi Pan, Meichao Luo, Jianfu Zhang, Dawei Cheng, Liqing Zhang

Specifically, the VRE module includes a proxy task which imposes pseudo motion label constraint and temporal coherence constraint on unlabeled videos, while the MRA module could predict the motion information of a static action image by exploiting unlabeled videos.

Action Recognition Self-Supervised Learning

DoveNet: Deep Image Harmonization via Domain Verification

1 code implementation CVPR 2020 Wenyan Cong, Jianfu Zhang, Li Niu, Liu Liu, Zhixin Ling, Weiyuan Li, Liqing Zhang

Image composition is an important operation in image processing, but the inconsistency between foreground and background significantly degrades the quality of composite image.

Image Harmonization

A Proposal-based Approach for Activity Image-to-Video Retrieval

no code implementations24 Nov 2019 Ruicong Xu, Li Niu, Jianfu Zhang, Liqing Zhang

Activity image-to-video retrieval task aims to retrieve videos containing the similar activity as the query image, which is a challenging task because videos generally have many background segments irrelevant to the activity.

Cross-Modal Retrieval Retrieval +1

Image Harmonization Dataset iHarmony4: HCOCO, HAdobe5k, HFlickr, and Hday2night

1 code implementation28 Aug 2019 Wenyan Cong, Jianfu Zhang, Li Niu, Liu Liu, Zhixin Ling, Weiyuan Li, Liqing Zhang

Image composition is an important operation in image processing, but the inconsistency between foreground and background significantly degrades the quality of composite image.

Image Harmonization

Inductive Guided Filter: Real-time Deep Image Matting with Weakly Annotated Masks on Mobile Devices

no code implementations16 May 2019 Yaoyi Li, Jianfu Zhang, Weijie Zhao, Hongtao Lu

A high efficient image matting method based on a weakly annotated mask is in demand for mobile applications.

Image Matting

Multi-shot Pedestrian Re-identification via Sequential Decision Making

no code implementations CVPR 2018 Jianfu Zhang, Naiyan Wang, Liqing Zhang

In contrary to existing works that aggregate single frames features by time series model such as recurrent neural network, in this paper, we propose an interpretable reinforcement learning based approach to this problem.

Decision Making Time Series +1

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