Search Results for author: Xiang Pan

Found 21 papers, 9 papers with code

Bridging Domains with Approximately Shared Features

1 code implementation11 Mar 2024 Ziliang Samuel Zhong, Xiang Pan, Qi Lei

Under our framework, we design and analyze a learning procedure consisting of learning approximately shared feature representation from source tasks and fine-tuning it on the target task.

Domain Adaptation feature selection

Transferable Learned Image Compression-Resistant Adversarial Perturbations

no code implementations6 Jan 2024 Yang Sui, Zhuohang Li, Ding Ding, Xiang Pan, Xiaozhong Xu, Shan Liu, Zhenzhong Chen

Adversarial attacks can readily disrupt the image classification system, revealing the vulnerability of DNN-based recognition tasks.

Adversarial Attack Autonomous Driving +4

Corner-to-Center Long-range Context Model for Efficient Learned Image Compression

no code implementations29 Nov 2023 Yang Sui, Ding Ding, Xiang Pan, Xiaozhong Xu, Shan Liu, Bo Yuan, Zhenzhong Chen

To tackle this issue, we conduct an in-depth analysis of the performance degradation observed in existing parallel context models, focusing on two aspects: the Quantity and Quality of information utilized for context prediction and decoding.

Image Compression

PostRainBench: A comprehensive benchmark and a new model for precipitation forecasting

1 code implementation4 Oct 2023 Yujin Tang, Jiaming Zhou, Xiang Pan, Zeying Gong, Junwei Liang

To address these limitations, we introduce the PostRainBench, a comprehensive multi-variable NWP post-processing benchmark consisting of three datasets for NWP post-processing-based precipitation forecasting.

NWP Post-processing Precipitation Forecasting

Reconstruction Distortion of Learned Image Compression with Imperceptible Perturbations

no code implementations1 Jun 2023 Yang Sui, Zhuohang Li, Ding Ding, Xiang Pan, Xiaozhong Xu, Shan Liu, Zhenzhong Chen

Learned Image Compression (LIC) has recently become the trending technique for image transmission due to its notable performance.

Image Compression Image Reconstruction

Accelerating Dataset Distillation via Model Augmentation

2 code implementations CVPR 2023 Lei Zhang, Jie Zhang, Bowen Lei, Subhabrata Mukherjee, Xiang Pan, Bo Zhao, Caiwen Ding, Yao Li, Dongkuan Xu

Dataset Distillation (DD), a newly emerging field, aims at generating much smaller but efficient synthetic training datasets from large ones.

Are All Spurious Features in Natural Language Alike? An Analysis through a Causal Lens

1 code implementation25 Oct 2022 Nitish Joshi, Xiang Pan, He He

In case (i), we want the model to be invariant to the feature, which is neither necessary nor sufficient for prediction.

Negation

DeepOPF-AL: Augmented Learning for Solving AC-OPF Problems with Multiple Load-Solution Mappings

no code implementations7 Jun 2022 Xiang Pan, Wanjun Huang, Minghua Chen, Steven H. Low

The existence of multiple load-solution mappings of non-convex AC-OPF problems poses a fundamental challenge to deep neural network (DNN) schemes.

Ensuring DNN Solution Feasibility for Optimization Problems with Convex Constraints and Its Application to DC Optimal Power Flow Problems

no code implementations15 Dec 2021 Tianyu Zhao, Xiang Pan, Minghua Chen, Steven H. Low

We systematically calibrate inequality constraints used in DNN training, thereby anticipating prediction errors and ensuring the resulting solutions remain feasible.

DataCLUE: A Benchmark Suite for Data-centric NLP

1 code implementation16 Nov 2021 Liang Xu, Jiacheng Liu, Xiang Pan, Xiaojing Lu, Xiaofeng Hou

However, we have not seen significant research progress in this field, especially in NLP.

Calculating Question Similarity is Enough: A New Method for KBQA Tasks

no code implementations15 Nov 2021 Hanyu Zhao, Sha Yuan, Jiahong Leng, Xiang Pan, Guoqiang Wang, Ledell Wu, Jie Tang

Knowledge Base Question Answering (KBQA) aims to answer natural language questions with the help of an external knowledge base.

Entity Linking Knowledge Base Question Answering +3

FewCLUE: A Chinese Few-shot Learning Evaluation Benchmark

1 code implementation15 Jul 2021 Liang Xu, Xiaojing Lu, Chenyang Yuan, Xuanwei Zhang, Huilin Xu, Hu Yuan, Guoao Wei, Xiang Pan, Xin Tian, Libo Qin, Hu Hai

While different learning schemes -- fine-tuning, zero-shot, and few-shot learning -- have been widely explored and compared for languages such as English, there is comparatively little work in Chinese to fairly and comprehensively evaluate and compare these methods and thus hinders cumulative progress.

Few-Shot Learning Machine Reading Comprehension +4

DeepOPF-V: Solving AC-OPF Problems Efficiently

1 code implementation22 Mar 2021 Wanjun Huang, Xiang Pan, Minghua Chen, Steven H. Low

AC optimal power flow (AC-OPF) problems need to be solved more frequently in the future to maintain stable and economic power system operation.

Computational Efficiency

Multi-Granularity Modularized Network for Abstract Visual Reasoning

no code implementations9 Jul 2020 Xiangru Tang, Haoyuan Wang, Xiang Pan, Jiyang Qi

Abstract visual reasoning connects mental abilities to the physical world, which is a crucial factor in cognitive development.

Visual Grounding Visual Reasoning

Improving auto-encoder novelty detection using channel attention and entropy minimization

no code implementations3 Jul 2020 Miao Tian, Dongyan Guo, Ying Cui, Xiang Pan, Sheng-Yong Chen

Novelty detection is a important research area which mainly solves the classification problem of inliers which usually consists of normal samples and outliers composed of abnormal samples.

Novelty Detection

DeepOPF: A Feasibility-Optimized Deep Neural Network Approach for AC Optimal Power Flow Problems

no code implementations2 Jul 2020 Xiang Pan, Minghua Chen, Tianyu Zhao, Steven H. Low

High percentage penetrations of renewable energy generations introduce significant uncertainty into power systems.

DeepOPF: A Deep Neural Network Approach for Security-Constrained DC Optimal Power Flow

no code implementations30 Oct 2019 Xiang Pan, Tianyu Zhao, Minghua Chen, Shengyu Zhang

We then directly reconstruct the phase angles from the generations and loads by using the power flow equations.

DeepOPF: Deep Neural Network for DC Optimal Power Flow

no code implementations11 May 2019 Xiang Pan, Tianyu Zhao, Minghua Chen

DeepOPF is inspired by the observation that solving DC-OPF for a given power network is equivalent to characterizing a high-dimensional mapping between the load inputs and the dispatch and transmission decisions.

Systems and Control

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