Search Results for author: Zhenwei Shi

Found 44 papers, 25 papers with code

MarsSeg: Mars Surface Semantic Segmentation with Multi-level Extractor and Connector

no code implementations5 Apr 2024 Junbo Li, Keyan Chen, Gengju Tian, Lu Li, Zhenwei Shi

The Mini-ASPP and PSA are specifically designed for shadow feature enhancement, thereby enabling the expression of local details and small objects.

Segmentation Semantic Segmentation +1

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

PETDet: Proposal Enhancement for Two-Stage Fine-Grained Object Detection

1 code implementation16 Dec 2023 Wentao Li, Danpei Zhao, Bo Yuan, Yue Gao, Zhenwei Shi

Fine-grained object detection (FGOD) extends object detection with the capability of fine-grained recognition.

Multi-Task Learning Object +3

Bayesian Domain Invariant Learning via Posterior Generalization of Parameter Distributions

no code implementations25 Oct 2023 Shiyu Shen, Bin Pan, Tianyang Shi, Tao Li, Zhenwei Shi

We first propose a theorem to show that the invariant posterior of parameters can be implicitly inferred by aggregating posteriors on different training domains.

Domain Generalization Variational Inference

Be Bayesian by Attachments to Catch More Uncertainty

no code implementations19 Oct 2023 Shiyu Shen, Bin Pan, Tianyang Shi, Tao Li, Zhenwei Shi

Bayesian Neural Networks (BNNs) have become one of the promising approaches for uncertainty estimation due to the solid theorical foundations.

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

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.

FedDBL: Communication and Data Efficient Federated Deep-Broad Learning for Histopathological Tissue Classification

1 code implementation24 Feb 2023 Tianpeng Deng, Yanqi Huang, Guoqiang Han, Zhenwei Shi, Jiatai Lin, Qi Dou, Zaiyi Liu, Xiao-jing Guo, C. L. Philip Chen, Chu Han

In this paper, we propose a universal and lightweight federated learning framework, named Federated Deep-Broad Learning (FedDBL), to achieve superior classification performance with limited training samples and only one-round communication.

Federated Learning

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

Semantic-aware Dense Representation Learning for Remote Sensing Image Change Detection

1 code implementation27 May 2022 Hao Chen, Wenyuan Li, Song Chen, Zhenwei Shi

To achieve this, we obtain multiple points via class-balanced sampling on the overlapped area between views using the semantic mask.

Change Detection Representation Learning +2

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

Dual-Branched Spatio-temporal Fusion Network for Multi-horizon Tropical Cyclone Track Forecast

no code implementations27 Feb 2022 Zili Liu, Kun Hao, Xiaoyi Geng, Zhenwei Shi

Tropical cyclone (TC) is an extreme tropical weather system and its trajectory can be described by a variety of spatio-temporal data.

Tropical Cyclone Track Forecasting

Geographical Knowledge-driven Representation Learning for Remote Sensing Images

1 code implementation12 Jul 2021 Wenyuan Li, Keyan Chen, Hao Chen, Zhenwei Shi

The proliferation of remote sensing satellites has resulted in a massive amount of remote sensing images.

object-detection Object Detection +3

Lung Cancer Diagnosis Using Deep Attention Based on Multiple Instance Learning and Radiomics

no code implementations29 Apr 2021 Junhua Chen, Haiyan Zeng, Chong Zhang, Zhenwei Shi, Andre Dekker, Leonard Wee, Inigo Bermejo

In this article, we treat lung cancer diagnosis as a multiple instance learning (MIL) problem in order to better reflect the diagnosis process in the clinical setting and for the higher interpretability of the output.

Deep Attention Lung Cancer Diagnosis +2

Feedback Refined Local-Global Network for Super-Resolution of Hyperspectral Imagery

no code implementations7 Mar 2021 Zhenjie Tang, Qing Xu, Zhenwei Shi, Bin Pan

To be specific, we develop a new Feedback Structure and a Local-Global Spectral Block to alleviate the difficulty in spatial and spectral feature extraction.

Hyperspectral Image Super-Resolution Image Super-Resolution

Remote Sensing Image Change Detection with Transformers

5 code implementations27 Feb 2021 Hao Chen, Zipeng Qi, Zhenwei Shi

To achieve this, we express the bitemporal image into a few tokens, and use a transformer encoder to model contexts in the compact token-based space-time.

Building change detection for remote sensing images Change Detection

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

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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