Search Results for author: Yongjun Zhang

Found 23 papers, 6 papers with code

AUG: A New Dataset and An Efficient Model for Aerial Image Urban Scene Graph Generation

no code implementations11 Apr 2024 Yansheng Li, Kun Li, Yongjun Zhang, LinLin Wang, Dingwen Zhang

To fill in the gap of the overhead view dataset, this paper constructs and releases an aerial image urban scene graph generation (AUG) dataset.

Graph Generation Relationship Detection +1

MoCha-Stereo: Motif Channel Attention Network for Stereo Matching

2 code implementations10 Apr 2024 Ziyang Chen, Wei Long, He Yao, Yongjun Zhang, Bingshu Wang, Yongbin Qin, Jia Wu

In addition, edge variations in %potential feature channels of the reconstruction error map also affect details matching, we propose the Reconstruction Error Motif Penalty (REMP) module to further refine the full-resolution disparity estimation.

Disparity Estimation Stereo Depth Estimation +2

SpirDet: Towards Efficient, Accurate and Lightweight Infrared Small Target Detector

no code implementations8 Feb 2024 Qianchen Mao, Qiang Li, Bingshu Wang, Yongjun Zhang, Tao Dai, C. L. Philip Chen

To tackle this challenge, we propose SpirDet, a novel approach for efficient detection of infrared small targets.

AllSpark: A Multimodal Spatio-Temporal General Intelligence Model with Thirteen Modalities

no code implementations31 Dec 2023 Run Shao, Cheng Yang, Qiujun Li, Qing Zhu, Yongjun Zhang, Yansheng Li, Yu Liu, Yong Tang, Dapeng Liu, Shizhong Yang, Haifeng Li

We introduce the Language as Reference Framework (LaRF), a fundamental principle for constructing a multimodal unified model, aiming to strike a trade-off between the cohesion and autonomy among different modalities.

Learning to Holistically Detect Bridges from Large-Size VHR Remote Sensing Imagery

no code implementations5 Dec 2023 Yansheng Li, Junwei Luo, Yongjun Zhang, Yihua Tan, Jin-Gang Yu, Song Bai

Therefore, to ensure the visibility and integrity of bridges, it is essential to perform holistic bridge detection in large-size very-high-resolution (VHR) RSIs.

object-detection Object Detection

LLVMs4Protest: Harnessing the Power of Large Language and Vision Models for Deciphering Protests in the News

1 code implementation30 Nov 2023 Yongjun Zhang

First, the longformer model was fine-tuned using the Dynamic of Collective Action (DoCA) Corpus.

Imbalance Knowledge-Driven Multi-modal Network for Land-Cover Semantic Segmentation Using Images and LiDAR Point Clouds

no code implementations28 Mar 2023 Yameng Wang, Yi Wan, Yongjun Zhang, Bin Zhang, Zhi Gao

The present multi-modal methods usually map high-dimensional features to low-dimensional spaces as a preprocess before feature extraction to address the nonnegligible domain gap, which inevitably leads to information loss.

Semantic Segmentation

GLH-Water: A Large-Scale Dataset for Global Surface Water Detection in Large-Size Very-High-Resolution Satellite Imagery

no code implementations16 Mar 2023 Yansheng Li, Bo Dang, Wanchun Li, Yongjun Zhang

Global surface water detection in very-high-resolution (VHR) satellite imagery can directly serve major applications such as refined flood mapping and water resource assessment.

Semantic Segmentation

RIFT2: Speeding-up RIFT with A New Rotation-Invariance Technique

1 code implementation1 Mar 2023 Jiayuan Li, Pengcheng Shi, Qingwu Hu, Yongjun Zhang

Multimodal image matching is an important prerequisite for multisource image information fusion.

High-Frequency Stereo Matching Network

no code implementations CVPR 2023 Haoliang Zhao, Huizhou Zhou, Yongjun Zhang, Jie Chen, Yitong Yang, Yong Zhao

In the field of binocular stereo matching, remarkable progress has been made by iterative methods like RAFT-Stereo and CREStereo.

Stereo Matching

Progressive Learning with Cross-Window Consistency for Semi-Supervised Semantic Segmentation

no code implementations22 Nov 2022 Bo Dang, Yansheng Li, Yongjun Zhang, Jiayi Ma

Semi-supervised semantic segmentation focuses on the exploration of a small amount of labeled data and a large amount of unlabeled data, which is more in line with the demands of real-world image understanding applications.

Pseudo Label Semi-Supervised Semantic Segmentation

EHSNet: End-to-End Holistic Learning Network for Large-Size Remote Sensing Image Semantic Segmentation

no code implementations21 Nov 2022 Wei Chen, Yansheng Li, Bo Dang, Yongjun Zhang

This paper presents EHSNet, a new end-to-end segmentation network designed for the holistic learning of large-size remote sensing image semantic segmentation (LRISS).

Semantic Segmentation

Hierarchical Memory Learning for Fine-Grained Scene Graph Generation

no code implementations14 Mar 2022 Youming Deng, Yansheng Li, Yongjun Zhang, Xiang Xiang, Jian Wang, Jingdong Chen, Jiayi Ma

After the autonomous partition of coarse and fine predicates, the model is first trained on the coarse predicates and then learns the fine predicates.

Graph Generation Scene Graph Generation

LiDAR-guided Stereo Matching with a Spatial Consistency Constraint

no code implementations21 Feb 2022 Yongjun Zhang, Siyuan Zou, Xinyi Liu, Xu Huang, Yi Wan, Yongxiang Yao

Next, we propose a riverbed enhancement function to optimize the cost volume of the LiDAR projection points and their homogeneous pixels to improve the matching robustness.

Stereo Matching

Asymmetric Hash Code Learning for Remote Sensing Image Retrieval

1 code implementation15 Jan 2022 Weiwei Song, Zhi Gao, Renwei Dian, Pedram Ghamisi, Yongjun Zhang, Jón Atli Benediktsson

In this paper, we propose a novel deep hashing method, named asymmetric hash code learning (AHCL), for RSIR.

Deep Hashing Image Retrieval

RMNA: A Neighbor Aggregation-Based Knowledge Graph Representation Learning Model Using Rule Mining

1 code implementation1 Nov 2021 Ling Chen, Jun Cui, Xing Tang, Chaodu Song, Yuntao Qian, Yansheng Li, Yongjun Zhang

Therefore, neighbor aggregation-based representation learning (NARL) models are proposed, which encode the information in the neighbors of an entity into its embeddings.

Graph Representation Learning Knowledge Graph Completion

Group-Aware Graph Neural Network for Nationwide City Air Quality Forecasting

1 code implementation27 Aug 2021 Ling Chen, Jiahui Xu, Binqing Wu, Yuntao Qian, Zhenhong Du, Yansheng Li, Yongjun Zhang

The model constructs a city graph and a city group graph to model the spatial and latent dependencies between cities, respectively.

graph construction

Collaboratively boosting data-driven deep learning and knowledge-guided ontological reasoning for semantic segmentation of remote sensing imagery

no code implementations6 Oct 2020 Yansheng Li, Song Ouyang, Yongjun Zhang

As one kind of architecture from the deep learning family, deep semantic segmentation network (DSSN) achieves a certain degree of success on the semantic segmentation task and obviously outperforms the traditional methods based on hand-crafted features.

Segmentation Of Remote Sensing Imagery Semantic Segmentation

FA-Harris: A Fast and Asynchronous Corner Detector for Event Cameras

no code implementations26 Jun 2019 Ruoxiang Li, Dianxi Shi, Yongjun Zhang, Kaiyue Li, Ruihao Li

The proposed G-SAE maintenance algorithm and corner candidate selection algorithm greatly enhance the real-time performance for corner detection, while the corner candidate refinement algorithm maintains the accuracy of performance by using an improved event-based Harris detector.

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