Search Results for author: Congying Han

Found 22 papers, 3 papers with code

BlazeBVD: Make Scale-Time Equalization Great Again for Blind Video Deflickering

no code implementations10 Mar 2024 Xinmin Qiu, Congying Han, ZiCheng Zhang, Bonan Li, Tiande Guo, Pingyu Wang, Xuecheng Nie

Developing blind video deflickering (BVD) algorithms to enhance video temporal consistency, is gaining importance amid the flourish of image processing and video generation.

Video Generation Video Temporal Consistency

Learning Dynamic Tetrahedra for High-Quality Talking Head Synthesis

1 code implementation27 Feb 2024 ZiCheng Zhang, Ruobing Zheng, Ziwen Liu, Congying Han, Tianqi Li, Meng Wang, Tiande Guo, Jingdong Chen, Bonan Li, Ming Yang

Recent works in implicit representations, such as Neural Radiance Fields (NeRF), have advanced the generation of realistic and animatable head avatars from video sequences.

Towards Optimal Adversarial Robust Q-learning with Bellman Infinity-error

no code implementations3 Feb 2024 Haoran Li, ZiCheng Zhang, Wang Luo, Congying Han, Yudong Hu, Tiande Guo, Shichen Liao

Establishing robust policies is essential to counter attacks or disturbances affecting deep reinforcement learning (DRL) agents.

Adversarial Robustness Q-Learning

General Method for Solving Four Types of SAT Problems

no code implementations27 Dec 2023 Anqi Li, Congying Han, Tiande Guo, Haoran Li, Bonan Li

We experimentally verify that this paradigm can prune the unnecessary search space to find the optimal Boolean assignments for the problem.

reinforcement-learning Reinforcement Learning (RL)

CARSS: Cooperative Attention-guided Reinforcement Subpath Synthesis for Solving Traveling Salesman Problem

no code implementations24 Dec 2023 Yuchen Shi, Congying Han, Tiande Guo

The algorithm's primary objective is to enhance efficiency in terms of training memory consumption, testing time, and scalability, through the adoption of a multi-agent divide and conquer paradigm.

Multi-agent Reinforcement Learning Traveling Salesman Problem

DiffBFR: Bootstrapping Diffusion Model Towards Blind Face Restoration

no code implementations8 May 2023 Xinmin Qiu, Congying Han, ZiCheng Zhang, Bonan Li, Tiande Guo, Xuecheng Nie

This design is implemented with two key components: 1) Identity Restoration Module (IRM) for preserving the face details in results.

Blind Face Restoration Denoising

Transforming Radiance Field with Lipschitz Network for Photorealistic 3D Scene Stylization

no code implementations CVPR 2023 ZiCheng Zhang, Yinglu Liu, Congying Han, Yingwei Pan, Tiande Guo, Ting Yao

Simply coupling NeRF with photorealistic style transfer (PST) will result in cross-view inconsistency and degradation of stylized view syntheses.

Novel View Synthesis Style Transfer

StyO: Stylize Your Face in Only One-Shot

no code implementations6 Mar 2023 Bonan Li, ZiCheng Zhang, Xuecheng Nie, Congying Han, Yinhan Hu, Tiande Guo

And it introduces a novel triple reconstruction loss to fine-tune the pre-trained LDM for encoding style and content into corresponding identifiers; 2) Fine-grained Content Controller (FCC) for the recombination phase.

Disentanglement One-Shot Face Stylization

DropKey for Vision Transformer

no code implementations CVPR 2023 Bonan Li, Yinhan Hu, Xuecheng Nie, Congying Han, Xiangjian Jiang, Tiande Guo, Luoqi Liu

Given exploration on the above three questions, we present the novel DropKey method that regards Key as the drop unit and exploits decreasing schedule for drop ratio, improving ViTs in a general way.

Human-Object Interaction Detection Image Classification +2

Masked Reconstruction Contrastive Learning with Information Bottleneck Principle

no code implementations15 Nov 2022 Ziwen Liu, Bonan Li, Congying Han, Tiande Guo, Xuecheng Nie

In order to alleviate the discriminative information overfitting problem effectively, we employ the reconstruction task to regularize the discriminative task.

Contrastive Learning Self-Supervised Image Classification +2

Comprehensive Analysis of Over-smoothing in Graph Neural Networks from Markov Chains Perspective

no code implementations12 Nov 2022 Weichen Zhao, Chenguang Wang, Congying Han, Tiande Guo

Results show that our proposed sufficient condition can effectively improve over-smoothing problem in operator-inconsistent GNN and enhance the performance of the model.

Attribute

NeuroPrim: An Attention-based Model for Solving NP-hard Spanning Tree Problems

no code implementations22 Oct 2022 Yuchen Shi, Congying Han, Tiande Guo

We apply our framework to three difficult problems on Euclidean space: the Degree-constrained Minimum Spanning Tree (DCMST) problem, the Minimum Routing Cost Spanning Tree (MRCST) problem, and the Steiner Tree Problem in graphs (STP).

Combinatorial Optimization Steiner Tree Problem

Generalized One-shot Domain Adaptation of Generative Adversarial Networks

2 code implementations8 Sep 2022 ZiCheng Zhang, Yinglu Liu, Congying Han, Tiande Guo, Ting Yao, Tao Mei

While previous works mainly focus on style transfer, we propose a novel and concise framework to address the \textit{generalized one-shot adaptation} task for both style and entity transfer, in which a reference image and its binary entity mask are provided.

Domain Adaptation Generative Adversarial Network +1

DropKey

no code implementations4 Aug 2022 Bonan Li, Yinhan Hu, Xuecheng Nie, Congying Han, Xiangjian Jiang, Tiande Guo, Luoqi Liu

Given exploration on the above three questions, we present the novel DropKey method that regards Key as the drop unit and exploits decreasing schedule for drop ratio, improving ViTs in a general way.

Human-Object Interaction Detection Image Classification +2

PetsGAN: Rethinking Priors for Single Image Generation

2 code implementations3 Mar 2022 ZiCheng Zhang, Yinglu Liu, Congying Han, Hailin Shi, Tiande Guo, BoWen Zhou

Moreover, we apply our method to other image manipulation tasks (e. g., style transfer, harmonization), and the results further prove the effectiveness and efficiency of our method.

Image Generation Image Manipulation +2

A Game-Theoretic Approach for Improving Generalization Ability of TSP Solvers

no code implementations28 Oct 2021 Chenguang Wang, Yaodong Yang, Oliver Slumbers, Congying Han, Tiande Guo, Haifeng Zhang, Jun Wang

In this paper, we introduce a two-player zero-sum framework between a trainable \emph{Solver} and a \emph{Data Generator} to improve the generalization ability of deep learning-based solvers for Traveling Salesman Problem (TSP).

Traveling Salesman Problem

ExSinGAN: Learning an Explainable Generative Model from a Single Image

no code implementations16 May 2021 ZiCheng Zhang, Congying Han, Tiande Guo

Generating images from a single sample, as a newly developing branch of image synthesis, has attracted extensive attention.

Image Generation Image Manipulation

DFS: A Diverse Feature Synthesis Model for Generalized Zero-Shot Learning

no code implementations19 Mar 2021 Bonan Li, Xuecheng Nie, Congying Han

In this paper, we propose to enhance the generalizability of GZSL models via improving feature diversity of unseen classes.

Generalized Zero-Shot Learning

Blocked and Hierarchical Disentangled Representation From Information Theory Perspective

no code implementations21 Jan 2021 Ziwen Liu, Mingqiang Li, Congying Han

It is well known that information theory has an excellent explanatory meaning for the network, so we start to solve the disentanglement problem from the perspective of information theory.

Attribute Disentanglement

A Robust Point Sets Matching Method

no code implementations4 Nov 2014 Xiao Liu, Congying Han, Tiande Guo

Point sets matching method is very important in computer vision, feature extraction, fingerprint matching, motion estimation and so on.

Motion Estimation

Fingerprint Classification Based on Depth Neural Network

no code implementations18 Sep 2014 Ruxin Wang, Congying Han, Yanping Wu, Tiande Guo

Fingerprint classification is an effective technique for reducing the candidate numbers of fingerprints in the stage of matching in automatic fingerprint identification system (AFIS).

Classification General Classification

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