Search Results for author: Zhiwei Wei

Found 17 papers, 9 papers with code

MapColorAI: Designing Contextually Relevant Choropleth Map Color Schemes Using a Large Language Model

no code implementations22 Jan 2025 Nai Yang, Yijie Wang, Fan Wu, Zhiwei Wei

On the other hand, it is difficult to fulfill some ambiguous and personalized coloring needs of users, such as requests for 'summer-like' map colors.

Language Modeling Language Modelling +1

TS-SatMVSNet: Slope Aware Height Estimation for Large-Scale Earth Terrain Multi-view Stereo

no code implementations2 Jan 2025 Song Zhang, Zhiwei Wei, Wenjia Xu, Lili Zhang, Yang Wang, Jinming Zhang, Junyi Liu

3D terrain reconstruction with remote sensing imagery achieves cost-effective and large-scale earth observation and is crucial for safeguarding natural disasters, monitoring ecological changes, and preserving the environment. Recently, learning-based multi-view stereo~(MVS) methods have shown promise in this task.

Earth Observation

UniRS: Unifying Multi-temporal Remote Sensing Tasks through Vision Language Models

1 code implementation30 Dec 2024 Yujie Li, Wenjia Xu, Guangzuo Li, Zijian Yu, Zhiwei Wei, Jiuniu Wang, Mugen Peng

The domain gap between remote sensing imagery and natural images has recently received widespread attention and Vision-Language Models (VLMs) have demonstrated excellent generalization performance in remote sensing multimodal tasks.

Question Answering Scene Classification +1

Towards An Unsupervised Learning Scheme for Efficiently Solving Parameterized Mixed-Integer Programs

1 code implementation23 Dec 2024 Shiyuan Qu, Fenglian Dong, Zhiwei Wei, Chao Shang

In this paper, we describe a novel unsupervised learning scheme for accelerating the solution of a family of mixed integer programming (MIP) problems.

Scheduling

Using a negative spatial auto-correlation index to evaluate and improve intrinsic TagMap's multi-scale visualization capabilities

1 code implementation8 Aug 2024 Zhiwei Wei, Nai Yang

The popularity of tag clouds has sparked significant interest in the geographic research community, leading to the development of map-based adaptations known as intrinsic tag maps.

TAG

Cloud-Edge-Terminal Collaborative AIGC for Autonomous Driving

no code implementations2 Jul 2024 Jianan Zhang, Zhiwei Wei, Boxun Liu, Xiayi Wang, Yong Yu, Rongqing Zhang

In dynamic autonomous driving environment, Artificial Intelligence-Generated Content (AIGC) technology can supplement vehicle perception and decision making by leveraging models' generative and predictive capabilities, and has the potential to enhance motion planning, trajectory prediction and traffic simulation.

Autonomous Driving Decision Making +3

Optimized 3D Point Labeling with Leaders Using the Beams Displacement Method

no code implementations28 Jun 2024 Zhiwei Wei, Nai Yang, Wenjia Xu, Su Ding, Li Minmin, Li You, Guo Renzhong

Then we use the Beams Displacement Method to iteratively calculate new positions for the labels.

Position

RS-Agent: Automating Remote Sensing Tasks through Intelligent Agent

1 code implementation11 Jun 2024 Wenjia Xu, Zijian Yu, Boyang Mu, Zhiwei Wei, Yuanben Zhang, Guangzuo Li, Mugen Peng

The unprecedented advancements in Multimodal Large Language Models (MLLMs) have demonstrated strong potential in interacting with humans through both language and visual inputs to perform downstream tasks such as visual question answering and scene understanding.

AI Agent Descriptive +11

Generating grid maps via the snake model

1 code implementation4 Jun 2024 Zhiwei Wei, Nai Yang, Wenjia Xu, Su Ding

However, existing approaches typically displace region centroids and boundary nodes separately, potentially resulting in self-intersected boundaries and compromised relative orientation relations between regions.

model

UAV-VisLoc: A Large-scale Dataset for UAV Visual Localization

1 code implementation20 May 2024 Wenjia Xu, Yaxuan Yao, Jiaqi Cao, Zhiwei Wei, Chunbo Liu, Jiuniu Wang, Mugen Peng

Our dataset includes 6, 742 drone images and 11 satellite maps, with metadata such as latitude, longitude, altitude, and capture date.

Visual Localization

Deep Semantic-Visual Alignment for Zero-Shot Remote Sensing Image Scene Classification

1 code implementation3 Feb 2024 Wenjia Xu, Jiuniu Wang, Zhiwei Wei, Mugen Peng, Yirong Wu

Besides, pioneer ZSL models use convolutional neural networks pre-trained on ImageNet, which focus on the main objects appearing in each image, neglecting the background context that also matters in RS scene classification.

Attribute image-classification +5

Jointly Optimized Global-Local Visual Localization of UAVs

no code implementations12 Oct 2023 Haoling Li, Jiuniu Wang, Zhiwei Wei, Wenjia Xu

Our GLVL network is a two-stage visual localization approach, combining a large-scale retrieval module that finds similar regions with the UAV flight scene, and a fine-grained matching module that localizes the precise UAV coordinate, enabling real-time and precise localization.

Retrieval Simultaneous Localization and Mapping +2

ARAI-MVSNet: A multi-view stereo depth estimation network with adaptive depth range and depth interval

1 code implementation17 Aug 2023 Song Zhang, Wenjia Xu, Zhiwei Wei, Lili Zhang, Yang Wang, Junyi Liu

Moreover, our method also achieves the lowest $e_{1}$ and $e_{3}$ on the BlendedMVS dataset and the highest Acc and $F_{1}$-score on the ETH 3D dataset, surpassing all listed methods. Project website: https://github. com/zs670980918/ARAI-MVSNet

Stereo Depth Estimation

Inferring High-level Geographical Concepts via Knowledge Graph and Multi-scale Data Integration: A Case Study of C-shaped Building Pattern Recognition

no code implementations19 Apr 2023 Zhiwei Wei, Yi Xiao, Wenjia Xu, Mi Shu, Lu Cheng, Yang Wang, Chunbo Liu

To improve efficiency and effectiveness, we integrate multi-scale data using a knowledge graph, focusing on the recognition of C-shaped building patterns.

Data Integration

Combining Supervised and Un-supervised Learning for Automatic Citrus Segmentation

no code implementations4 May 2021 Heqing Huang, Tongbin Huang, Zhen Li, Zhiwei Wei, Shilei Lv

Compared with most of the existing citrus segmentation methods, our method uses a small amount of supervised data and a large number of unsupervised data, while learning the pixel level location information and the temporal information of citrus changes to enhance the segmentation effect.

Image Segmentation Segmentation +1

AMRNet: Chips Augmentation in Aerial Images Object Detection

no code implementations15 Sep 2020 Zhiwei Wei, Chenzhen Duan, Xinghao Song, Ye Tian, Hongpeng Wang

Specifically, we propose a scale adaptive module, which dynamically adjusts chip size to balance object scale, narrowing scale variation in training.

Object object-detection +1

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