no code implementations • EMNLP 2020 • Bin Bi, Chenliang Li, Chen Wu, Ming Yan, Wei Wang, Songfang Huang, Fei Huang, Luo Si
An extensive set of experiments show that PALM achieves new state-of-the-art results on a variety of language generation benchmarks covering generative question answering (Rank 1 on the official MARCO leaderboard), abstractive summarization on CNN/DailyMail as well as Gigaword, question generation on SQuAD, and conversational response generation on Cornell Movie Dialogues.
Abstractive Text Summarization
Conversational Response Generation
+8
no code implementations • 28 Aug 2023 • HaoNan Guo, Xin Su, Chen Wu, Bo Du, Liangpei Zhang
These CD methods, however, still perform far from satisfactorily as we observe that 1) deep encoder layers focus on irrelevant background regions and 2) the models' confidence in the change regions is inconsistent at different decoder stages.
1 code implementation • 4 Aug 2023 • Huan Zhong, Chen Wu
Siamese structure focuses on extracting object features at different times but lacks attention to change information, which leads to false alarms and missed detections.
1 code implementation • 23 Jul 2023 • HaoNan Guo, Bo Du, Chen Wu, Chengxi Han, Liangpei Zhang
To address these issues, we complement the strong temporal modeling ability of metric learning with the prominent fitting ability of segmentation and propose a deep change feature learning (DeepCL) framework for robust and explainable CD.
1 code implementation • 23 Jul 2023 • HaoNan Guo, Bo Du, Chen Wu, Xin Su, Liangpei Zhang
The efficacy of building footprint segmentation from remotely sensed images has been hindered by model transfer effectiveness.
no code implementations • 23 Jul 2023 • HaoNan Guo, Xin Su, Chen Wu, Bo Du, Liangpei Zhang
Compared with many existing methods that train each task individually, the proposed collaborative extraction method can utilize the complementary advantages between buildings and roads by the proposed inter-task and inter-scale feature interactions, and automatically select the optimal reception field for different tasks.
1 code implementation • 20 Jul 2023 • Zhenghui Zhao, Lixiang Ru, Chen Wu
Specifically, change missing refer to the situation that the WSCD model fails to predict any changed pixels, even though the image-level label indicates changed, and vice versa for change fabricating.
no code implementations • 5 May 2023 • Yali Zheng, Chen Wu, Peizheng Cai, Zhiqiang Zhong, Hongda Huang, Yuqi Jiang
Therefore, this study provides an effective solution for resource-constraint IoT smart health devices in PPG artifact detection.
no code implementations • 18 Apr 2023 • Meiqi Hu, Chen Wu, Liangpei Zhang
High spectral resolution imagery of the Earth's surface enables users to monitor changes over time in fine-grained scale, playing an increasingly important role in agriculture, defense, and emergency response.
no code implementations • 24 Mar 2023 • Meiqi Hu, Chen Wu, Bo Du
Hyperspectral change detection plays an essential role of monitoring the dynamic urban development and detecting precise fine object evolution and alteration.
1 code implementation • 6 Mar 2023 • Henger Li, Chen Wu, Sencun Zhu, Zizhan Zheng
In particular, we propose a general reinforcement learning-based backdoor attack framework where the attacker first trains a (non-myopic) attack policy using a simulator built upon its local data and common knowledge on the FL system, which is then applied during actual FL training.
no code implementations • 21 Feb 2023 • Chengxi Han, Chen Wu, Bo Du
Very-high-resolution (VHR) remote sensing (RS) image change detection (CD) has been a challenging task for its very rich spatial information and sample imbalance problem.
no code implementations • 14 Nov 2022 • Lingfeng Qiao, Chen Wu, Ye Liu, Haoyuan Peng, Di Yin, Bo Ren
In this paper, we propose a novel approach to graft the video encoder from the pre-trained video-language model on the generative pre-trained language model.
1 code implementation • 3 Oct 2022 • Hongruixuan Chen, Naoto Yokoya, Chen Wu, Bo Du
Subsequently, the similarity levels of two structural relationships are calculated from learned graph representations and two difference images are generated based on the similarity levels.
1 code implementation • 14 Sep 2022 • Chen Wu, Ruqing Zhang, Jiafeng Guo, Wei Chen, Yixing Fan, Maarten de Rijke, Xueqi Cheng
A ranking model is said to be Certified Top-$K$ Robust on a ranked list when it is guaranteed to keep documents that are out of the top $K$ away from the top $K$ under any attack.
no code implementations • 19 Aug 2022 • Sunan He, Taian Guo, Tao Dai, Ruizhi Qiao, Chen Wu, Xiujun Shu, Bo Ren
Image and language modeling is of crucial importance for vision-language pre-training (VLP), which aims to learn multi-modal representations from large-scale paired image-text data.
no code implementations • 12 Aug 2022 • Xiujun Shu, Wei Wen, Taian Guo, Sunan He, Chen Wu, Ruizhi Qiao
This technical report presents the 3rd winning solution for MTVG, a new task introduced in the 4-th Person in Context (PIC) Challenge at ACM MM 2022.
no code implementations • 20 Jul 2022 • Meiqi Hu, Chen Wu, Liangpei Zhang
Only the positive samples at the same location of bi-temporal HSIs are created and forced to be aligned, aiming at learning the spectral difference-invariant features.
no code implementations • 27 Jun 2022 • Spandan Garg, Roshanak Zilouchian Moghaddam, Colin B. Clement, Neel Sundaresan, Chen Wu
Additionally, we evaluate DeepPERF on 50 open source C# repositories on GitHub using both benchmark and unit tests and find that our model is able to suggest valid performance improvements that can improve both CPU usage and Memory allocations.
no code implementations • 23 May 2022 • Meiqi Hu, Chen Wu, Bo Du
Hyperspectral anomalous change detection has been a challenging task for its emphasis on the dynamics of small and rare objects against the prevalent changes.
no code implementations • 9 May 2022 • Junwen Ding, Liangcai Song, Siyuan Li, Chen Wu, Ronghua He, Zhouxing Su, Zhipeng Lü
Computing workflows in heterogeneous multiprocessor systems are frequently modeled as directed acyclic graphs of tasks and data blocks, which represent computational modules and their dependencies in the form of data produced by a task and used by others.
1 code implementation • 9 May 2022 • Chen Wu, Yin Song, Verdi March, Eden Duthie
On the one hand, our method encodes driver know-how by learning a sequential probability model from historical routes at the zone level, where each zone contains a few parcel stops.
1 code implementation • 25 Apr 2022 • Haojie Huang, Gongming Zhou, Xuejun Liu, Lei Deng, Chen Wu, Dachuan Zhang, Hui Liu
We leveraged contrastive learning on large-scale unannotated WSIs to derive slide-level histopathological feature in latent space, and then transfer it to tumor diagnosis and prediction of differentially expressed cancer driver genes.
no code implementations • 4 Apr 2022 • Chen Wu, Ruqing Zhang, Jiafeng Guo, Maarten de Rijke, Yixing Fan, Xueqi Cheng
We focus on the decision-based black-box attack setting, where the attackers cannot directly get access to the model information, but can only query the target model to obtain the rank positions of the partial retrieved list.
no code implementations • 21 Mar 2022 • Changran Hu, Akshara Reddi Methukupalli, Yutong Zhou, Chen Wu, Yubo Chen
In particular, we propose to apply the BIO tagging scheme instead of the conventional binary scheme to mine the code solutions which are often composed of multiple blocks of a post.
1 code implementation • 10 Feb 2022 • Lixiang Ru, Bo Du, Yibing Zhan, Chen Wu
In the visual words learning module, we counter the first problem by enforcing the classification network to learn fine-grained visual word labels so that more object extents could be discovered.
1 code implementation • 27 Jan 2022 • Chen Wu, Ming Yan
Different from typical information retrieval tasks, code search requires to bridge the semantic gap between the programming language and natural language, for better describing intrinsic concepts and semantics.
no code implementations • 26 Jan 2022 • Hongruixuan Chen, Edoardo Nemni, Sofia Vallecorsa, Xi Li, Chen Wu, Lars Bromley
Considering the frontier advances of Transformer architecture in the computer vision field, in this paper, we present the first attempt at designing a Transformer-based damage assessment architecture (DamFormer).
Ranked #6 on
Extracting Buildings In Remote Sensing Images
on xBD
Disaster Response
Extracting Buildings In Remote Sensing Images
+1
no code implementations • 24 Jan 2022 • Chen Wu, Sencun Zhu, Prasenjit Mitra
Federated Learning (FL) is designed to protect the data privacy of each client during the training process by transmitting only models instead of the original data.
1 code implementation • 16 Jan 2022 • Chen Wu, Bo Du, Liangpei Zhang
Deep learning for change detection is one of the current hot topics in the field of remote sensing.
no code implementations • 8 Dec 2021 • Meiqi Hu, Chen Wu, Bo Du, Liangpei Zhang
In this study, we proposed an unsupervised Binary Change Guided hyperspectral multiclass change detection Network (BCG-Net) for HMCD, which aims at boosting the multiclass change detection result and unmixing result with the mature binary change detection approaches.
1 code implementation • NeurIPS 2021 • Yuan Liang, Weikun Han, Liang Qiu, Chen Wu, Yiting shao, Kun Wang, Lei He
In this work, we pioneer to study deep learning for dental forensic identification based on panoramic radiographs.
no code implementations • 4 Nov 2021 • Zhuofu Tao, Chen Wu, Yuan Liang, Lei He
In this work, we propose LW-GCN, a lightweight FPGA-based accelerator with a software-hardware co-designed process to tackle irregularity in computation and memory access in GCN inference.
no code implementations • 18 Sep 2021 • Hongruixuan Chen, Chen Wu, Yonghao Xu, Bo Du
To this end, a semantic-edge domain adaptation architecture is proposed, which uses an independent edge stream to process edge information, thereby generating high-quality semantic boundaries over the target domain.
Ranked #32 on
Synthetic-to-Real Translation
on GTAV-to-Cityscapes Labels
(using extra training data)
1 code implementation • 18 Aug 2021 • Hongruixuan Chen, Chen Wu, Bo Du
With the goal of designing a quite deep architecture to obtain more precise CD results while simultaneously decreasing parameter numbers to improve efficiency, in this work, we present a very deep and efficient CD network, entitled EffCDNet.
no code implementations • 11 Aug 2021 • Chen Wu, Ruqing Zhang, Jiafeng Guo, Yixing Fan, Xueqi Cheng
So we raise the question in this work: Are neural ranking models robust?
no code implementations • 6 Aug 2021 • Colin B. Clement, Chen Wu, Dawn Drain, Neel Sundaresan
Pre-trained transformers have recently clinched top spots in the gamut of natural language tasks and pioneered solutions to software engineering tasks.
no code implementations • 17 Jul 2021 • Wenshuo Wang, Chen Wu, Liang Cheng, Yang Zhang
The advance in machine learning (ML)-driven natural language process (NLP) points a promising direction for automatic bug fixing for software programs, as fixing a buggy program can be transformed to a translation task.
1 code implementation • Proceedings of the 42nd ACM SIGPLAN International Conference on Programming Language Design and Implementation 2021 • Jie Zhao, Bojie Li, Wang Nie, Zhen Geng, Renwei Zhang, Xiong Gao, Bin Cheng, Chen Wu, Yun Cheng, Zheng Li, Peng Di, Kun Zhang, Xuefeng Jin
Existing tensor compilers have proven their effectiveness in deploying deep neural networks on general-purpose hardware like CPU and GPU, but optimizing for neural processing units (NPUs) is still challenging due to the heterogeneous compute units and complicated memory hierarchy.
no code implementations • 16 Apr 2021 • Dawn Drain, Chen Wu, Alexey Svyatkovskiy, Neel Sundaresan
In this work we introduce DeepDebug: a data-driven program repair approach which learns to detect and fix bugs in Java methods mined from real-world GitHub repositories.
no code implementations • 12 Apr 2021 • Dawn Drain, Changran Hu, Chen Wu, Mikhail Breslav, Neel Sundaresan
To demonstrate the effectiveness of our model designs, we perform extensive experiments with CodeSearchNet which contains template functions and CoNaLa which contains Stack Overflow intent-snippet pairs.
no code implementations • 2 Mar 2021 • Chen Wu, Sihan Zhu, Jiaqi Yang, Meiqi Hu, Bo Du, Liangpei Zhang, Lefei Zhang, Chengxi Han, Meng Lan
Considering that public transportation was mostly reduced or even forbidden, our results indicate that city lockdown policies are effective at limiting human transmission within cities.
no code implementations • 25 Feb 2021 • Chen Wu, Ruqing Zhang, Jiafeng Guo, Yixing Fan, Yanyan Lan, Xueqi Cheng
One is the widely adopted metric such as F1 which acts as a balanced objective, and the other is the best F1 under some minimal recall constraint which represents a typical objective in professional search.
no code implementations • 28 Oct 2020 • Chen Wu, Xian Yang, Sencun Zhu, Prasenjit Mitra
To minimize the pruning influence on test accuracy, we can fine-tune after pruning, and the attack success rate drops to 6. 4%, with only a 1. 7% loss of test accuracy.
1 code implementation • 27 Oct 2020 • Meiqi Hu, Chen Wu, Liangpei Zhang, Bo Du
In the ACDA model, two systematic auto-encoder (AE) networks are deployed to construct two predictors from two directions.
no code implementations • 26 Jun 2020 • Chen Wu, Yinong Guo, HaoNan Guo, Jingwen Yuan, Lixiang Ru, Hongruixuan Chen, Bo Du, Liangpei Zhang
The significant reduction and recovery of traffic density indicates that the lockdown policy in Wuhan show effectiveness in controlling human transmission inside the city, and the city returned to normal after lockdown lift.
no code implementations • 16 Jun 2020 • Hongruixuan Chen, Chen Wu, Bo Du, Liangpei Zhang
By optimizing the network parameters and kernel coefficients with the source labeled data and target unlabeled data, DSDANet can learn transferrable feature representation that can bridge the discrepancy between two domains.
1 code implementation • 3 Jun 2020 • Lixiang Ru, Bo Du, Chen Wu
In this work, we proposed a CorrFusion module that fuses the highly correlated components in bi-temporal feature embeddings.
1 code implementation • 27 Apr 2020 • Sarah V. White, Thomas M. O. Franzen, Chris J. Riseley, O. Ivy Wong, Anna D. Kapińska, Natasha Hurley-Walker, Joseph R. Callingham, Kshitij Thorat, Chen Wu, Paul Hancock, Richard W. Hunstead, Nick Seymour, Jesse Swan, Randall Wayth, John Morgan, Rajan Chhetri, Carole Jackson, Stuart Weston, Martin Bell, B. M. Gaensler, Melanie Johnston-Hollitt, André Offringa, Lister Staveley-Smith
This is the GaLactic and Extragalactic All-sky MWA (GLEAM) Survey, and we have previously used a combination of visual inspection, cross-checks against the literature, and internal matching to identify the 'brightest' radio-sources ($S_{\mathrm{151MHz}} >$ 4 Jy) in the extragalactic catalogue (Galactic latitude, $|b| >$ 10 deg).
Astrophysics of Galaxies
1 code implementation • 27 Apr 2020 • Sarah V. White, Thomas M. O. Franzen, Chris J. Riseley, O. Ivy Wong, Anna D. Kapińska, Natasha Hurley-Walker, Joseph R. Callingham, Kshitij Thorat, Chen Wu, Paul Hancock, Richard W. Hunstead, Nick Seymour, Jesse Swan, Randall Wayth, John Morgan, Rajan Chhetri, Carole Jackson, Stuart Weston, Martin Bell, Bi-Qing For, B. M. Gaensler, Melanie Johnston-Hollitt, André Offringa, Lister Staveley-Smith
Of these G4Jy sources, 78 are resolved by the MWA (Phase-I) synthesised beam ($\sim$2 arcmin at 200 MHz), and we label 67% of the sample as 'single', 26% as 'double', 4% as 'triple', and 3% as having 'complex' morphology at $\sim$1 GHz (45-arcsec resolution).
Astrophysics of Galaxies
1 code implementation • ACL 2020 • Chen Wu, Prince Zizhuang Wang, William Yang Wang
To this end, we propose Coupled-VAE, which couples a VAE model with a deterministic autoencoder with the same structure and improves the encoder and decoder parameterizations via encoder weight sharing and decoder signal matching.
2 code implementations • 14 Apr 2020 • Bin Bi, Chenliang Li, Chen Wu, Ming Yan, Wei Wang, Songfang Huang, Fei Huang, Luo Si
An extensive set of experiments show that PALM achieves new state-of-the-art results on a variety of language generation benchmarks covering generative question answering (Rank 1 on the official MARCO leaderboard), abstractive summarization on CNN/DailyMail as well as Gigaword, question generation on SQuAD, and conversational response generation on Cornell Movie Dialogues.
Ranked #1 on
Text Generation
on CNN/Daily Mail
Abstractive Text Summarization
Conversational Response Generation
+8
no code implementations • 13 Apr 2020 • Hongruixuan Chen, Chen Wu, Bo Du, Liangepei Zhang
In this paper, we propose a novel deep siamese domain adaptation convolutional neural network (DSDANet) architecture for cross-domain change detection.
2 code implementations • 18 Dec 2019 • Chen Wu, Hongruixuan Chen, Bo Do, Liangpei Zhang
Based on the KPCA convolution, an unsupervised deep siamese KPCA convolutional mapping network (KPCA-MNet) is designed for binary and multi-class change detection.
1 code implementation • 8 Sep 2019 • Weidi Xu, Xingyi Cheng, Kunlong Chen, Wei Wang, Bin Bi, Ming Yan, Chen Wu, Luo Si, Wei Chu, Taifeng Wang
To remedy this, we propose to augment the NSP task to a 3-class categorization task, which includes a category for previous sentence prediction (PSP).
no code implementations • IJCNLP 2019 • Bin Bi, Chen Wu, Ming Yan, Wei Wang, Jiangnan Xia, Chenliang Li
Different from existing work on knowledge-aware QA, we focus on a more challenging task of leveraging external knowledge to generate answers in natural language for a given question with context.
no code implementations • ICLR 2020 • Wei Wang, Bin Bi, Ming Yan, Chen Wu, Zuyi Bao, Jiangnan Xia, Liwei Peng, Luo Si
Recently, the pre-trained language model, BERT (and its robustly optimized version RoBERTa), has attracted a lot of attention in natural language understanding (NLU), and achieved state-of-the-art accuracy in various NLU tasks, such as sentiment classification, natural language inference, semantic textual similarity and question answering.
Ranked #1 on
Natural Language Inference
on QNLI
no code implementations • 13 Aug 2019 • Jiangnan Xia, Chen Wu, Ming Yan
This paper focuses on how to take advantage of external relational knowledge to improve machine reading comprehension (MRC) with multi-task learning.
3 code implementations • 27 Jun 2019 • Hongruixuan Chen, Chen Wu, Bo Du, Liangpei Zhang
Based on the unit two novel deep siamese convolutional neural networks, called as deep siamese multi-scale convolutional network (DSMS-CN) and deep siamese multi-scale fully convolutional network (DSMS-FCN), are designed for unsupervised and supervised change detection, respectively.
1 code implementation • ACL 2019 • Chen Wu, Xuancheng Ren, Fuli Luo, Xu sun
Unsupervised text style transfer aims to alter text styles while preserving the content, without aligned data for supervision.
7 code implementations • 1 Apr 2019 • Foivos I. Diakogiannis, François Waldner, Peter Caccetta, Chen Wu
Scene understanding of high resolution aerial images is of great importance for the task of automated monitoring in various remote sensing applications.
no code implementations • 16 Mar 2019 • Jiafeng Guo, Yixing Fan, Liang Pang, Liu Yang, Qingyao Ai, Hamed Zamani, Chen Wu, W. Bruce Croft, Xue-Qi Cheng
Ranking models lie at the heart of research on information retrieval (IR).
no code implementations • 7 Feb 2019 • Liang Cheng, Yang Zhang, Yi Zhang, Chen Wu, Zhangtan Li, Yu Fu, Haisheng Li
Our experiments on a set of widely used PDF viewers demonstrate that the improved seed inputs produced by our framework could significantly increase the code coverage of the target program and the likelihood of detecting program crashes.
Cryptography and Security
no code implementations • 3 Dec 2018 • Bo Du, Lixiang Ru, Chen Wu, Liangpei Zhang
In recent years, deep network has shown its brilliant performance in many fields including feature extraction and projection.
1 code implementation • ACL 2018 • Wei Wang, Ming Yan, Chen Wu
Extensive experiments on the large-scale SQuAD and TriviaQA datasets validate the effectiveness of the proposed method.
no code implementations • 28 Nov 2018 • Ming Yan, Jiangnan Xia, Chen Wu, Bin Bi, Zhongzhou Zhao, Ji Zhang, Luo Si, Rui Wang, Wei Wang, Haiqing Chen
To address this problem, we develop a novel deep cascade learning model, which progressively evolves from the document-level and paragraph-level ranking of candidate texts to more precise answer extraction with machine reading comprehension.
Ranked #2 on
Question Answering
on MS MARCO
no code implementations • 2 Oct 2018 • Sarah V. White, Thomas M. O. Franzen, O. Ivy Wong, Anna D. Kapinska, Chris Riseley, Paul Hancock, Joseph Callingham, Richard Hunstead, Natasha Hurley-Walker, Chen Wu, Nick Seymour, Jesse Swan, Randall Wayth, John S. Morgan, Rajan Chhetri, Carole Jackson, Stuart Weston, Tom Mauch
These were observed at low radio-frequencies as part of the GaLactic and Extragalactic All-sky MWA (GLEAM) Survey, which is a continuum survey conducted using the Murchison Widefield Array (MWA).
Astrophysics of Galaxies
no code implementations • 25 Apr 2018 • Bo Du, Shihan Cai, Chen Wu, Liangpei Zhang, DaCheng Tao
Object tracking is a hot topic in computer vision.
no code implementations • 6 Mar 2018 • Xi Fang, Zengmao Wang, Xinyao Tang, Chen Wu
Simultaneously, our proposed method makes full use of the label information, and the proposed active learning is designed based on multiple classes.
2 code implementations • 24 Feb 2017 • Chen Wu, Rodrigo Tobar, Kevin Vinsen, Andreas Wicenec, Dave Pallot, Baoqiang Lao, Ruonan Wang, Tao An, Mark Boulton, Ian Cooper, Richard Dodson, Markus Dolensky, Ying Mei, Feng Wang
The Data Activated Liu Graph Engine - DALiuGE - is an execution framework for processing large astronomical datasets at a scale required by the Square Kilometre Array Phase 1 (SKA1).
Distributed, Parallel, and Cluster Computing Instrumentation and Detectors
no code implementations • 26 Oct 2016 • Natasha Hurley-Walker, Joseph R. Callingham, Paul J. Hancock, Thomas M. O. Franzen, Luke Hindson, Anna D. Kapinska, John Morgan, Andre R. Offringa, Randall B. Wayth, Chen Wu, Q. Zheng, Tara Murphy, Martin E. Bell, K. S. Dwarakanath, Bi-Qing For, Bryan M. Gaensler, Melanie Johnston-Hollitt, Emil Lenc, Pietro Procopio, Lister Staveley-Smith, Ron Ekers, Judd D. Bowman, Frank Briggs, R. J. Cappallo, Avinash A. Deshpande, Lincoln Greenhill, Brynah J. Hazelton, David L. Kaplan, Colin J. Lonsdale, S. R. McWhirter, Daniel A. Mitchell, Miguel F. Morales, Edward Morgan, Divya Oberoi, Stephen M. Ord, T. Prabu, N. Udaya Shankar, K. S. Srivani, Ravi Subrahmanyan, Steven J. Tingay, Rachel L. Webster, Andrew Williams, Christopher L. Williams
Using the Murchison Widefield Array (MWA), the low-frequency Square Kilometre Array (SKA1 LOW) precursor located in Western Australia, we have completed the GaLactic and Extragalactic All-sky MWA (GLEAM) survey, and present the resulting extragalactic catalogue, utilising the first year of observations.
Astrophysics of Galaxies