Search Results for author: Zhengxia Zou

Found 39 papers, 20 papers with code

Change-Agent: Towards Interactive Comprehensive Remote Sensing Change Interpretation and Analysis

1 code implementation28 Mar 2024 Chenyang Liu, Keyan Chen, Haotian Zhang, Zipeng Qi, Zhengxia Zou, Zhenwei Shi

The Change-Agent integrates a multi-level change interpretation (MCI) model as the eyes and a large language model (LLM) as the brain.

Change Detection Language Modelling +2

RSMamba: Remote Sensing Image Classification with State Space Model

1 code implementation28 Mar 2024 Keyan Chen, Bowen Chen, Chenyang Liu, Wenyuan Li, Zhengxia Zou, Zhenwei Shi

Remote sensing image classification forms the foundation of various understanding tasks, serving a crucial function in remote sensing image interpretation.

Classification Image Classification +2

Observation-Guided Meteorological Field Downscaling at Station Scale: A Benchmark and a New Method

no code implementations22 Jan 2024 Zili Liu, Hao Chen, Lei Bai, Wenyuan Li, Keyan Chen, Zhengyi Wang, Wanli Ouyang, Zhengxia Zou, Zhenwei Shi

In this paper, we extend meteorological downscaling to arbitrary scattered station scales, establish a brand new benchmark and dataset, and retrieve meteorological states at any given station location from a coarse-resolution meteorological field.

Super-Resolution Weather Forecasting

Learning to detect cloud and snow in remote sensing images from noisy labels

no code implementations17 Jan 2024 Zili Liu, Hao Chen, Wenyuan Li, Keyan Chen, Zipeng Qi, Chenyang Liu, Zhengxia Zou, Zhenwei Shi

This paper is the first to consider the impact of label noise on the detection of clouds and snow in remote sensing images.

Semantic Segmentation

DeepPhysiNet: Bridging Deep Learning and Atmospheric Physics for Accurate and Continuous Weather Modeling

1 code implementation4 Jan 2024 Wenyuan Li, Zili Liu, Keyan Chen, Hao Chen, Shunlin Liang, Zhengxia Zou, Zhenwei Shi

Next, we construct hyper-networks based on deep learning methods to directly learn weather patterns from a large amount of meteorological data.

Weather Forecasting

Pixel-Level Change Detection Pseudo-Label Learning for Remote Sensing Change Captioning

no code implementations23 Dec 2023 Chenyang Liu, Keyan Chen, Zipeng Qi, Haotian Zhang, Zhengxia Zou, Zhenwei Shi

The existing methods for Remote Sensing Image Change Captioning (RSICC) perform well in simple scenes but exhibit poorer performance in complex scenes.

Change Detection Pseudo Label

High-Quality 3D Face Reconstruction with Affine Convolutional Networks

no code implementations22 Oct 2023 Zhiqian Lin, Jiangke Lin, Lincheng Li, Yi Yuan, Zhengxia Zou

In our method, an affine transformation matrix is learned from the affine convolution layer for each spatial location of the feature maps.

3D Face Reconstruction

MSight: An Edge-Cloud Infrastructure-based Perception System for Connected Automated Vehicles

no code implementations8 Oct 2023 Rusheng Zhang, Depu Meng, Shengyin Shen, Zhengxia Zou, Houqiang Li, Henry X. Liu

As vehicular communication and networking technologies continue to advance, infrastructure-based roadside perception emerges as a pivotal tool for connected automated vehicle (CAV) applications.

Trajectory Prediction

Zero-Shot Image Harmonization with Generative Model Prior

1 code implementation17 Jul 2023 Jianqi Chen, Yilan Zhang, Zhengxia Zou, Keyan Chen, Zhenwei Shi

Initially, we employ a pretrained vision-language model (VLM) to generate descriptions for the composite image.

Image Harmonization Language Modelling

Robust Roadside Perception: an Automated Data Synthesis Pipeline Minimizing Human Annotation

no code implementations29 Jun 2023 Rusheng Zhang, Depu Meng, Lance Bassett, Shengyin Shen, Zhengxia Zou, Henry X. Liu

Our approach was rigorously tested at two key intersections in Michigan, USA: the Mcity intersection and the State St./Ellsworth Rd roundabout.

Autonomous Driving Generative Adversarial Network

RSPrompter: Learning to Prompt for Remote Sensing Instance Segmentation based on Visual Foundation Model

1 code implementation28 Jun 2023 Keyan Chen, Chenyang Liu, Hao Chen, Haotian Zhang, Wenyuan Li, Zhengxia Zou, Zhenwei Shi

We also propose several ongoing derivatives for instance segmentation tasks, drawing on recent advancements within the SAM community, and compare their performance with RSPrompter.

Image Segmentation Instance Segmentation +2

Continuous Cross-resolution Remote Sensing Image Change Detection

1 code implementation24 May 2023 Hao Chen, Haotian Zhang, Keyan Chen, Chenyao Zhou, Song Chen, Zhengxia Zou, Zhenwei Shi

Toward continuous cross-resolution CD, we propose scale-invariant learning to enforce the model consistently predicting HR results given synthesized samples of varying resolution differences.

Change Detection

Implicit Ray-Transformers for Multi-view Remote Sensing Image Segmentation

no code implementations15 Mar 2023 Zipeng Qi, Hao Chen, Chenyang Liu, Zhenwei Shi, Zhengxia Zou

In the first stage, we optimize a neural field to encode the color and 3D structure of the remote sensing scene based on multi-view images.

Image Segmentation Scene Segmentation +1

Dense Pixel-to-Pixel Harmonization via Continuous Image Representation

1 code implementation3 Mar 2023 Jianqi Chen, Yilan Zhang, Zhengxia Zou, Keyan Chen, Zhenwei Shi

High-resolution (HR) image harmonization is of great significance in real-world applications such as image synthesis and image editing.

Image Harmonization

Zero-Shot Text-to-Parameter Translation for Game Character Auto-Creation

no code implementations CVPR 2023 Rui Zhao, Wei Li, Zhipeng Hu, Lincheng Li, Zhengxia Zou, Zhenwei Shi, Changjie Fan

In our method, taking the power of large-scale pre-trained multi-modal CLIP and neural rendering, T2P searches both continuous facial parameters and discrete facial parameters in a unified framework.

3D Generation Face Model +3

Progressive Scale-aware Network for Remote sensing Image Change Captioning

1 code implementation1 Mar 2023 Chenyang Liu, Jiajun Yang, Zipeng Qi, Zhengxia Zou, Zhenwei Shi

To sufficiently utilize the extracted multi-scale features for captioning, we propose a scale-aware reinforcement (SR) module and combine it with the Transformer decoding layer to progressively utilize the features from different PDP layers.

Continuous Remote Sensing Image Super-Resolution based on Context Interaction in Implicit Function Space

1 code implementation16 Feb 2023 Keyan Chen, Wenyuan Li, Sen Lei, Jianqi Chen, XiaoLong Jiang, Zhengxia Zou, Zhenwei Shi

Despite its fruitful applications in remote sensing, image super-resolution is troublesome to train and deploy as it handles different resolution magnifications with separate models.

Image Super-Resolution

Towards Unbiased Volume Rendering of Neural Implicit Surfaces With Geometry Priors

no code implementations CVPR 2023 Yongqiang Zhang, Zhipeng Hu, Haoqian Wu, Minda Zhao, Lincheng Li, Zhengxia Zou, Changjie Fan

In this paper, we argue that this limited accuracy is due to the bias of their volume rendering strategies, especially when the viewing direction is close to be tangent to the surface.

Surface Reconstruction

Remote Sensing Novel View Synthesis with Implicit Multiplane Representations

1 code implementation18 May 2022 Yongchang Wu, Zhengxia Zou, Zhenwei Shi

In this paper, we propose a novel remote sensing view synthesis method by leveraging the recent advances in implicit neural representations.

Novel View Synthesis

Multi-view 3D Reconstruction with Transformer

no code implementations24 Mar 2021 Dan Wang, Xinrui Cui, Xun Chen, Zhengxia Zou, Tianyang Shi, Septimiu Salcudean, Z. Jane Wang, Rabab Ward

Unlike previous CNN-based methods using a separate design, we unify the feature extraction and view fusion in a single Transformer network.

3D Object Reconstruction 3D Reconstruction +1

Single-Shot Motion Completion with Transformer

1 code implementation1 Mar 2021 Yinglin Duan, Tianyang Shi, Zhengxia Zou, Yenan Lin, Zhehui Qian, Bohan Zhang, Yi Yuan

Motion completion is a challenging and long-discussed problem, which is of great significance in film and game applications.

Motion Synthesis

MeInGame: Create a Game Character Face from a Single Portrait

1 code implementation4 Feb 2021 Jiangke Lin, Yi Yuan, Zhengxia Zou

To tackle these problems, we propose 1) a low-cost facial texture acquisition method, 2) a shape transfer algorithm that can transform the shape of a 3DMM mesh to games, and 3) a new pipeline for training 3D game face reconstruction networks.

3D Face Reconstruction Face Model

Multi-View 3D Reconstruction With Transformers

no code implementations ICCV 2021 Dan Wang, Xinrui Cui, Xun Chen, Zhengxia Zou, Tianyang Shi, Septimiu Salcudean, Z. Jane Wang, Rabab Ward

Unlike previous CNN-based methods using a separate design, we unify the feature extraction and view fusion in a single Transformer network.

3D Object Reconstruction 3D Reconstruction +1

NeuralMagicEye: Learning to See and Understand the Scene Behind an Autostereogram

1 code implementation31 Dec 2020 Zhengxia Zou, Tianyang Shi, Yi Yuan, Zhenwei Shi

This paper studies an interesting question that whether a deep CNN can be trained to recover the depth behind an autostereogram and understand its content.

Stylized Neural Painting

4 code implementations CVPR 2021 Zhengxia Zou, Tianyang Shi, Shuang Qiu, Yi Yuan, Zhenwei Shi

Different from previous image-to-image translation methods that formulate the translation as pixel-wise prediction, we deal with such an artistic creation process in a vectorized environment and produce a sequence of physically meaningful stroke parameters that can be further used for rendering.

Disentanglement Image-to-Image Translation +2

Castle in the Sky: Dynamic Sky Replacement and Harmonization in Videos

4 code implementations22 Oct 2020 Zhengxia Zou

This paper proposes a vision-based method for video sky replacement and harmonization, which can automatically generate realistic and dramatic sky backgrounds in videos with controllable styles.

Image Matting Motion Estimation

Neutral Face Game Character Auto-Creation via PokerFace-GAN

1 code implementation17 Aug 2020 Tianyang Shi, Zhengxia Zou, Xinhui Song, Zheng Song, Changjian Gu, Changjie Fan, Yi Yuan

Besides, the neural network based renderer used in previous methods is also difficult to be extended to multi-view rendering cases.

Self-Supervised Learning

Fast and Robust Face-to-Parameter Translation for Game Character Auto-Creation

no code implementations17 Aug 2020 Tianyang Shi, Zhengxia Zou, Yi Yuan, Changjie Fan

With the rapid development of Role-Playing Games (RPGs), players are now allowed to edit the facial appearance of their in-game characters with their preferences rather than using default templates.

3D Face Reconstruction Face Verification +3

Deep Adversarial Decomposition: A Unified Framework for Separating Superimposed Images

no code implementations CVPR 2020 Zhengxia Zou, Sen Lei, Tianyang Shi, Zhenwei Shi, Jieping Ye

Considering the layer separating ambiguity that given a single mixed input, there could be an infinite number of possible solutions, we introduce a "Separation-Critic" - a discriminative network which is trained to identify whether the output layers are well-separated and thus further improves the layer separation.

Image Shadow Removal Rain Removal +2

Multi-grained Attention Networks for Single Image Super-Resolution

no code implementations26 Sep 2019 Huapeng Wu, Zhengxia Zou, Jie Gui, Wen-Jun Zeng, Jieping Ye, Jun Zhang, Hongyi Liu, Zhihui Wei

In this paper, we make a thorough investigation on the attention mechanisms in a SR model and shed light on how simple and effective improvements on these ideas improve the state-of-the-arts.

Feature Importance Image Super-Resolution

Face-to-Parameter Translation for Game Character Auto-Creation

no code implementations ICCV 2019 Tianyang Shi, Yi Yuan, Changjie Fan, Zhengxia Zou, Zhenwei Shi, Yong liu

Character customization system is an important component in Role-Playing Games (RPGs), where players are allowed to edit the facial appearance of their in-game characters with their own preferences rather than using default templates.

Style Transfer Translation

Object Detection in 20 Years: A Survey

1 code implementation13 May 2019 Zhengxia Zou, Keyan Chen, Zhenwei Shi, Yuhong Guo, Jieping Ye

Object detection, as of one the most fundamental and challenging problems in computer vision, has received great attention in recent years.

Face Detection Object +3

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