Search Results for author: Chun Liu

Found 20 papers, 8 papers with code

E4C: Enhance Editability for Text-Based Image Editing by Harnessing Efficient CLIP Guidance

no code implementations15 Mar 2024 Tianrui Huang, Pu Cao, Lu Yang, Chun Liu, Mengjie Hu, Zhiwei Liu, Qing Song

Diffusion-based image editing is a composite process of preserving the source image content and generating new content or applying modifications.

Text-based Image Editing

Augmenting Prototype Network with TransMix for Few-shot Hyperspectral Image Classification

1 code implementation22 Jan 2024 Chun Liu, Longwei Yang, Dongmei Dong, Zheng Li, Wei Yang, Zhigang Han, Jiayao Wang

However, observing the classification results of existing methods, we found that boundary patches corresponding to the pixels which are located at the boundary of the objects in the hyperspectral images, are hard to classify.

Classification Hyperspectral Image Classification

Iterative missing value imputation based on feature importance

no code implementations14 Nov 2023 Cong Guo, Chun Liu, Wei Yang

Existing imputation methods estimate the missing parts based on the observed values in the original feature space, and they treat all features as equally important during data completion, while in fact different features have different importance.

Feature Importance Imputation +1

Multi-level Relation Learning for Cross-domain Few-shot Hyperspectral Image Classification

1 code implementation2 Nov 2023 Chun Liu, Longwei Yang, Zheng Li, Wei Yang, Zhigang Han, JianZhong Guo, Junyong Yu

In addition, it adopts a transformer based cross-attention learning module to learn the set-level sample relations and acquire the attention from query samples to support samples.

Classification Contrastive Learning +3

CoT-MISR:Marrying Convolution and Transformer for Multi-Image Super-Resolution

no code implementations12 Mar 2023 Mingming Xiu, Yang Nie, Qing Song, Chun Liu

How to transform a low-resolution image to restore its high-resolution image information is a problem that researchers have been exploring.

Image Restoration Image Super-Resolution

Faster Learning of Temporal Action Proposal via Sparse Multilevel Boundary Generator

1 code implementation6 Mar 2023 Qing Song, Yang Zhou, Mengjie Hu, Chun Liu

Temporal action localization in videos presents significant challenges in the field of computer vision.

Temporal Action Localization

ISTVT: Interpretable Spatial-Temporal Video Transformer for Deepfake Detection

1 code implementation IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY 2023 Cairong Zhao, Chutian Wang, Guosheng Hu, Haonan Chen, Chun Liu, Jinhui Tang

To address these two challenges, in this paper, we propose an Interpretable Spatial-Temporal Video Transformer (ISTVT), which consists of a novel decomposed spatial-temporal self-attention and a self-subtract mechanism to capture spatial artifacts and temporal inconsistency for robust Deepfake detection.

DeepFake Detection Face Swapping

UV R-CNN: Stable and Efficient Dense Human Pose Estimation

no code implementations4 Nov 2022 Wenhe Jia, Yilin Zhou, Xuhan Zhu, Mengjie Hu, Chun Liu, Qing Song

Dense pose estimation is a dense 3D prediction task for instance-level human analysis, aiming to map human pixels from an RGB image to a 3D surface of the human body.

Pose Estimation regression

SGM-Net: Semantic Guided Matting Net

no code implementations16 Aug 2022 Qing Song, Wenfeng Sun, Donghan Yang, Mengjie Hu, Chun Liu

When the green screen is not available, the existing human matting methods need the help of additional inputs (such as trimap, background image, etc.

Image Generation Image Matting

A Deterministic Sampling Method via Maximum Mean Discrepancy Flow with Adaptive Kernel

no code implementations21 Nov 2021 Yindong Chen, Yiwei Wang, Lulu Kang, Chun Liu

We propose a novel deterministic sampling method to approximate a target distribution $\rho^*$ by minimizing the kernel discrepancy, also known as the Maximum Mean Discrepancy (MMD).

Numerical Integration Variational Inference

A phase field model for mass transport with semi-permeable interfaces

no code implementations11 Mar 2021 Yuzhe Qin, Huaxiong Huang, Yi Zhu, Chun Liu, Shixin Xu

Numerical simulations first illustrate the consistency of theoretical results on the sharp interface limit.

Numerical Analysis Numerical Analysis 76Z99, 92B05, 76R50

Global Existence of Classical Solutions for a Reactive Polymeric Fluid near Equilibrium

no code implementations27 Jan 2021 Chun Liu, Yiwei Wang, Teng-Fei Zhang

In this paper, we study a new micro-macro model for a reactive polymeric fluid, which is derived recently in [Y. Wang, T.-F. Zhang, and C. Liu, \emph{J. Non-Newton.

Analysis of PDEs 35A01, 35A15, 76A10, 76M30, 82D60

Renovating Parsing R-CNN for Accurate Multiple Human Parsing

1 code implementation ECCV 2020 Lu Yang, Qing Song, Zhihui Wang, Mengjie Hu, Chun Liu, Xueshi Xin, Wenhe Jia, Songcen Xu

Multiple human parsing aims to segment various human parts and associate each part with the corresponding instance simultaneously.

Human Parsing

Particle-based Energetic Variational Inference

1 code implementation14 Apr 2020 Yiwei Wang, Jiuhai Chen, Chun Liu, Lulu Kang

Using the EVI framework, we can derive many existing Particle-based Variational Inference (ParVI) methods, including the popular Stein Variational Gradient Descent (SVGD) approach.

Variational Inference

CPM R-CNN: Calibrating Point-guided Misalignment in Object Detection

1 code implementation7 Mar 2020 Bin Zhu, Qing Song, Lu Yang, Zhihui Wang, Chun Liu, Mengjie Hu

In object detection, offset-guided and point-guided regression dominate anchor-based and anchor-free method separately.

object-detection Object Detection

High-speed Railway Fastener Detection and Localization Method based on convolutional neural network

no code implementations2 Jul 2019 Qing Song, Yao Guo, Jianan Jiang, Chun Liu, Mengjie Hu

Railway transportation is the artery of China's national economy and plays an important role in the development of today's society.

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