Search Results for author: Xiaokang Zhang

Found 22 papers, 19 papers with code

HOSMEL: A Hot-Swappable Modularized Entity Linking Toolkit for Chinese

1 code implementation ACL 2022 Daniel Zhang-li, Jing Zhang, Jifan Yu, Xiaokang Zhang, Peng Zhang, Jie Tang, Juanzi Li

We investigate the usage of entity linking (EL)in downstream tasks and present the first modularized EL toolkit for easy task adaptation.

Entity Linking Question Answering

MaskCD: A Remote Sensing Change Detection Network Based on Mask Classification

1 code implementation18 Apr 2024 Weikang Yu, Xiaokang Zhang, Samiran Das, Xiao Xiang Zhu, Pedram Ghamisi

Change detection (CD) from remote sensing (RS) images using deep learning has been widely investigated in the literature.

Change Detection

Transferable and Efficient Non-Factual Content Detection via Probe Training with Offline Consistency Checking

2 code implementations10 Apr 2024 Xiaokang Zhang, Zijun Yao, Jing Zhang, Kaifeng Yun, Jifan Yu, Juanzi Li, Jie Tang

Detecting non-factual content is a longstanding goal to increase the trustworthiness of large language models (LLMs) generations.

Question Answering

Frequency Decomposition-Driven Unsupervised Domain Adaptation for Remote Sensing Image Semantic Segmentation

2 code implementations6 Apr 2024 Xianping Ma, Xiaokang Zhang, Xingchen Ding, Man-on Pun, Siwei Ma

Cross-domain semantic segmentation of remote sensing (RS) imagery based on unsupervised domain adaptation (UDA) techniques has significantly advanced deep-learning applications in the geosciences.

Generative Adversarial Network Segmentation +2

RS3Mamba: Visual State Space Model for Remote Sensing Images Semantic Segmentation

1 code implementation3 Apr 2024 Xianping Ma, Xiaokang Zhang, Man-on Pun

Experimental results on two widely used datasets, ISPRS Vaihingen and LoveDA Urban, demonstrate the effectiveness and potential of the proposed RS3Mamba.

Long-range modeling Segmentation +1

TableLLM: Enabling Tabular Data Manipulation by LLMs in Real Office Usage Scenarios

1 code implementation28 Mar 2024 Xiaokang Zhang, Jing Zhang, Zeyao Ma, Yang Li, Bohan Zhang, Guanlin Li, Zijun Yao, Kangli Xu, Jinchang Zhou, Daniel Zhang-li, Jifan Yu, Shu Zhao, Juanzi Li, Jie Tang

We introduce TableLLM, a robust large language model (LLM) with 13 billion parameters, purpose-built for proficiently handling tabular data manipulation tasks, whether they are embedded within documents or spreadsheets, catering to real-world office scenarios.

Language Modelling Large Language Model

Adaptive Semantic-Enhanced Denoising Diffusion Probabilistic Model for Remote Sensing Image Super-Resolution

1 code implementation17 Mar 2024 Jialu Sui, Xianping Ma, Xiaokang Zhang, Man-on Pun

However, the high-frequency details generated by DDPM often suffer from misalignment with HR images due to the model's tendency to overlook long-range semantic contexts.

Denoising Image Super-Resolution +1

Reverse That Number! Decoding Order Matters in Arithmetic Learning

no code implementations9 Mar 2024 Daniel Zhang-li, Nianyi Lin, Jifan Yu, Zheyuan Zhang, Zijun Yao, Xiaokang Zhang, Lei Hou, Jing Zhang, Juanzi Li

Recent advancements in pretraining have demonstrated that modern Large Language Models (LLMs) possess the capability to effectively learn arithmetic operations.

CodeS: Towards Building Open-source Language Models for Text-to-SQL

1 code implementation26 Feb 2024 Haoyang Li, Jing Zhang, Hanbing Liu, Ju Fan, Xiaokang Zhang, Jun Zhu, Renjie Wei, Hongyan Pan, Cuiping Li, Hong Chen

To address the limitations, we introduce CodeS, a series of pre-trained language models with parameters ranging from 1B to 15B, specifically designed for the text-to-SQL task.

Data Augmentation Domain Adaptation +2

Diffusion Enhancement for Cloud Removal in Ultra-Resolution Remote Sensing Imagery

1 code implementation25 Jan 2024 Jialu Sui, Yiyang Ma, Wenhan Yang, Xiaokang Zhang, Man-on Pun, Jiaying Liu

The presence of cloud layers severely compromises the quality and effectiveness of optical remote sensing (RS) images.

Cloud Removal Image Generation

SAM-Assisted Remote Sensing Imagery Semantic Segmentation with Object and Boundary Constraints

1 code implementation5 Dec 2023 Xianping Ma, Qianqian Wu, Xingyu Zhao, Xiaokang Zhang, Man-on Pun, Bo Huang

Furthermore, the boundary loss capitalizes on the distinctive features of SGB by directing the model's attention to the boundary information of the object.

Model Optimization Novel Concepts +4

GCD-DDPM: A Generative Change Detection Model Based on Difference-Feature Guided DDPM

1 code implementation6 Jun 2023 Yihan Wen, Xianping Ma, Xiaokang Zhang, Man-on Pun

Furthermore, the Difference Conditional Encoder (DCE), is designed to guide the generation of CD maps by exploiting multi-level difference features.

Change Detection Denoising +2

GCRDN: Global Context-Driven Residual Dense Network for Remote Sensing Image Superresolution

1 code implementation Jounal 2023 Jialu Sui, Xianping Ma, Xiaokang Zhang, Man-on Pun

To cope with this problem, this work proposes a novel global context-driven residual dense network (GCRDN) for satellite image SR based on the encoder and decoder architecture.

Image Reconstruction Super-Resolution

GLM-Dialog: Noise-tolerant Pre-training for Knowledge-grounded Dialogue Generation

1 code implementation28 Feb 2023 Jing Zhang, Xiaokang Zhang, Daniel Zhang-li, Jifan Yu, Zijun Yao, Zeyao Ma, Yiqi Xu, Haohua Wang, Xiaohan Zhang, Nianyi Lin, Sunrui Lu, Juanzi Li, Jie Tang

We present GLM-Dialog, a large-scale language model (LLM) with 10B parameters capable of knowledge-grounded conversation in Chinese using a search engine to access the Internet knowledge.

Dialogue Evaluation Dialogue Generation +2

Injecting Numerical Reasoning Skills into Knowledge Base Question Answering Models

1 code implementation12 Dec 2021 Yu Feng, Jing Zhang, Xiaokang Zhang, Lemao Liu, Cuiping Li, Hong Chen

Embedding-based methods are popular for Knowledge Base Question Answering (KBQA), but few current models have numerical reasoning skills and thus struggle to answer ordinal constrained questions.

Data Augmentation Knowledge Base Question Answering

Gated SwitchGAN for multi-domain facial image translation

no code implementations28 Nov 2021 Xiaokang Zhang, Yuanlue Zhu, WenTing Chen, Wenshuang Liu, Linlin Shen

The existing methods generally provide a discriminator with an auxiliary classifier to impose domain translation.

Attribute feature selection +3

Graph Contrastive Learning for Anomaly Detection

2 code implementations17 Aug 2021 Bo Chen, Jing Zhang, Xiaokang Zhang, Yuxiao Dong, Jian Song, Peng Zhang, Kaibo Xu, Evgeny Kharlamov, Jie Tang

To achieve the contrastive objective, we design a graph neural network encoder that can infer and further remove suspicious links during message passing, as well as learn the global context of the input graph.

Anomaly Detection Binary Classification +2

GuidedStyle: Attribute Knowledge Guided Style Manipulation for Semantic Face Editing

no code implementations22 Dec 2020 Xianxu Hou, Xiaokang Zhang, Linlin Shen, Zhihui Lai, Jun Wan

Although significant progress has been made in synthesizing high-quality and visually realistic face images by unconditional Generative Adversarial Networks (GANs), there still lacks of control over the generation process in order to achieve semantic face editing.

Attribute Image Generation

CODE: Contrastive Pre-training with Adversarial Fine-tuning for Zero-shot Expert Linking

2 code implementations14 Dec 2020 Bo Chen, Jing Zhang, Xiaokang Zhang, Xiaobin Tang, Lingfan Cai, Hong Chen, Cuiping Li, Peng Zhang, Jie Tang

In this paper, we propose CODE, which first pre-trains an expert linking model by contrastive learning on AMiner such that it can capture the representation and matching patterns of experts without supervised signals, then it is fine-tuned between AMiner and external sources to enhance the models transferability in an adversarial manner.

Active Learning Contrastive Learning +2

A Comparative Analysis of Feature Selection Methods for Biomarker Discovery in Study of Toxicant-treated Atlantic Cod (Gadus morhua) Liver

1 code implementation20 May 2019 Xiaokang Zhang, Inge Jonassen

Univariate and multivariate feature selection methods can be used for biomarker discovery in analysis of toxicant exposure.

feature selection

EFSIS: Ensemble Feature Selection Integrating Stability

1 code implementation19 Nov 2018 Xiaokang Zhang, Inge Jonassen

There are basically two strategies for ensemble feature selection, namely data perturbation and function perturbation.

Ensemble Learning feature selection

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