no code implementations • ICML 2020 • Yanwei Fu, Chen Liu, Donghao Li, Xinwei Sun, Jinshan Zeng, Yuan YAO
Over-parameterization is ubiquitous nowadays in training neural networks to benefit both optimization in seeking global optima and generalization in reducing prediction error.
no code implementations • COLING 2022 • Wei Huang, Chen Liu, Bo Xiao, Yihua Zhao, Zhaoming Pan, Zhimin Zhang, Xinyun Yang, Guiquan Liu
Hierarchical Text Classification (HTC), which aims to predict text labels organized in hierarchical space, is a significant task lacking in investigation in natural language processing.
no code implementations • 8 Sep 2023 • Xuyang Zhong, Chen Liu
Dataset distillation methods have demonstrated remarkable performance for neural networks trained with very limited training data.
no code implementations • 5 Sep 2023 • Yong Lin, Chen Liu, Chenlu Ye, Qing Lian, Yuan YAO, Tong Zhang
Our proposed method, COPS (unCertainty based OPtimal Sub-sampling), is designed to minimize the expected loss of a model trained on subsampled data.
no code implementations • 5 Sep 2023 • Chen Liu, Minh-Ngoc Tran, Chao Wang, Richard Gerlach, Robert Kohn
This paper introduces DeepVol, a promising new deep learning volatility model that outperforms traditional econometric models in terms of model generality.
no code implementations • 2 Sep 2023 • Qingtao Yu, Heming Du, Chen Liu, Xin Yu
CIP-WPIS leverages pretrained knowledge embedded in the 2D foundation model SAM and 3D geometric prior to achieve accurate point-wise instance labels from the bounding box annotations.
no code implementations • 24 Aug 2023 • Ziqi Yang, Zhongyu Li, Chen Liu, Xiangde Luo, Xingguang Wang, Dou Xu, CHAOQUN LI, Xiaoying Qin, Meng Yang, Long Jin
To make full use of pixel-level and cell-level features dynamically, we propose an asymmetric co-training framework combining a deep graph convolutional network and a convolutional neural network for multi-class histopathological image classification.
no code implementations • 20 Aug 2023 • Chen Liu, Peike Li, Hu Zhang, Lincheng Li, Zi Huang, Dadong Wang, Xin Yu
In a nutshell, our BAVS is designed to eliminate the interference of background noise or off-screen sounds in segmentation by establishing the audio-visual correspondences in an explicit manner.
no code implementations • 31 Jul 2023 • Chen Liu, Peike Li, Xingqun Qi, Hu Zhang, Lincheng Li, Dadong Wang, Xin Yu
However, we observed that prior arts are prone to segment a certain salient object in a video regardless of the audio information.
no code implementations • 30 May 2023 • Xingqun Qi, Chen Liu, Lincheng Li, Jie Hou, Haoran Xin, Xin Yu
In this work, we propose EmotionGesture, a novel framework for synthesizing vivid and diverse emotional co-speech 3D gestures from audio.
no code implementations • 2 May 2023 • Haonan Zhang, Yuhan Zhang, Qing Wu, Jiangjie Wu, Zhiming Zhen, Feng Shi, Jianmin Yuan, Hongjiang Wei, Chen Liu, Yuyao Zhang
The anisotropic volume's high-resolution (HR) plane is used to build the HR-LR image pairs for model training.
no code implementations • 10 Apr 2023 • Chen Liu, Matthias Jobst, Liyuan Guo, Xinyue Shi, Johannes Partzsch, Christian Mayr
In the past few years, more and more AI applications have been applied to edge devices.
1 code implementation • 6 Apr 2023 • Xin Zhang, Chen Liu, Degang Yang, Tingting Song, Yichen Ye, Ke Li, Yingze Song
In this paper, we propose a new perspective on the effectiveness of spatial attention, which is that the spatial attention mechanism essentially solves the problem of convolutional kernel parameter sharing.
no code implementations • 15 Mar 2023 • Han Yang, Qiuli Wang, Yue Zhang, Zhulin An, Chen Liu, Xiaohong Zhang, S. Kevin Zhou
Radiologists possess diverse training and clinical experiences, leading to variations in the segmentation annotations of lung nodules and resulting in segmentation uncertainty. Conventional methods typically select a single annotation as the learning target or attempt to learn a latent space comprising multiple annotations.
1 code implementation • CVPR 2023 • Xingqun Qi, Chen Liu, Muyi Sun, Lincheng Li, Changjie Fan, Xin Yu
Considering the asymmetric gestures and motions of two hands, we introduce a Spatial-Residual Memory (SRM) module to model spatial interaction between the body and each hand by residual learning.
1 code implementation • 16 Feb 2023 • Chen Liu, Chao Wang, Minh-Ngoc Tran, Robert Kohn
We propose a new approach to volatility modelling by combining deep learning (LSTM) and realized volatility measures.
no code implementations • 10 Jan 2023 • Zander Blasingame, Chen Liu
Face morphing attacks seek to deceive a Face Recognition (FR) system by presenting a morphed image consisting of the biometric qualities from two different identities with the aim of triggering a false acceptance with one of the two identities, thereby presenting a significant threat to biometric systems.
1 code implementation • 30 Nov 2022 • Chengming Xu, Chen Liu, Siqian Yang, Yabiao Wang, Shijie Zhang, Lijie Jia, Yanwei Fu
Since only part of the most confident positive samples are available and evidence is not enough to categorize the rest samples, many of these unlabeled data may also be the positive samples.
no code implementations • 29 Nov 2022 • Chengming Xu, Chen Liu, Xinwei Sun, Siqian Yang, Yabiao Wang, Chengjie Wang, Yanwei Fu
We theoretically show that such an augmentation mechanism, different from existing ones, is able to identify the causal features.
no code implementations • 26 Nov 2022 • Ding Tao, Chen Liu, Shihan Wan
Results: A total of 5865 patients with STEMI were enrolled in our study.
no code implementations • 15 Nov 2022 • Beibei Lin, Chen Liu, Lincheng Li, Robby T. Tan, Xin Yu
Existing gait recognition frameworks retrieve an identity in the gallery based on the distance between a probe sample and the identities in the gallery.
1 code implementation • 2 Nov 2022 • Hongyu Zang, Xin Li, Jie Yu, Chen Liu, Riashat Islam, Remi Tachet des Combes, Romain Laroche
Our method, Behavior Prior Representation (BPR), learns state representations with an easy-to-integrate objective based on behavior cloning of the dataset: we first learn a state representation by mimicking actions from the dataset, and then train a policy on top of the fixed representation, using any off-the-shelf Offline RL algorithm.
1 code implementation • 7 Oct 2022 • Chen Liu, Michael Fischer, Tobias Ritschel
We propose a method to accelerate the joint process of physically acquiring and learning neural Bi-directional Reflectance Distribution Function (BRDF) models.
1 code implementation • 23 Sep 2022 • Chen Liu, Matthew Amodio, Liangbo L. Shen, Feng Gao, Arman Avesta, Sanjay Aneja, Jay C. Wang, Lucian V. Del Priore, Smita Krishnaswamy
In this work we introduce CUTS (Contrastive and Unsupervised Training for Segmentation), a fully unsupervised deep learning framework for medical image segmentation to better utilize the vast majority of imaging data that is not labeled or annotated.
no code implementations • 26 Jul 2022 • Jiang Bian, Qingzhong Wang, Haoyi Xiong, Jun Huang, Chen Liu, Xuhong LI, Jun Cheng, Jun Zhao, Feixiang Lu, Dejing Dou
While deep learning has been widely used for video analytics, such as video classification and action detection, dense action detection with fast-moving subjects from sports videos is still challenging.
no code implementations • 15 Jul 2022 • Chen Liu, Xiaomeng Dong, Michael Potter, Hsi-Ming Chang, Ravi Soni
In this paper, we propose a novel adaptation of Focal Loss for keypoint detection tasks, called Adversarial Focal Loss (AFL).
no code implementations • 8 Jun 2022 • Qiuli Wang, Xin Tan, Chen Liu
Since the pandemic of COVID-19, several deep learning methods were proposed to analyze the chest Computed Tomography (CT) for diagnosis.
no code implementations • 6 Jun 2022 • Zhichao Huang, Yanbo Fan, Chen Liu, Weizhong Zhang, Yong Zhang, Mathieu Salzmann, Sabine Süsstrunk, Jue Wang
While adversarial training and its variants have shown to be the most effective algorithms to defend against adversarial attacks, their extremely slow training process makes it hard to scale to large datasets like ImageNet.
1 code implementation • CVPR 2022 • Sachini Herath, David Caruso, Chen Liu, Yufan Chen, Yasutaka Furukawa
This paper proposes the inertial localization problem, the task of estimating the absolute location from a sequence of inertial sensor measurements.
1 code implementation • 25 Feb 2022 • Javier López-Randulfe, Nico Reeb, Negin Karimi, Chen Liu, Hector A. Gonzalez, Robin Dietrich, Bernhard Vogginger, Christian Mayr, Alois Knoll
After several decades of continuously optimizing computing systems, the Moore's law is reaching itsend.
1 code implementation • 15 Feb 2022 • Chen Liu, Jonas Pfeiffer, Anna Korhonen, Ivan Vulić, Iryna Gurevych
2) We analyze cross-lingual VQA across different question types of varying complexity for different multilingual multimodal Transformers, and identify question types that are the most difficult to improve on.
1 code implementation • 3 Feb 2022 • Chen Liu, Ziqi Zhao, Sabine Süsstrunk, Mathieu Salzmann
In this paper, we introduce an approach to obtain robust yet compact models by pruning randomly-initialized binary networks.
no code implementations • 14 Dec 2021 • Chen Liu, Zhichao Huang, Mathieu Salzmann, Tong Zhang, Sabine Süsstrunk
This lets us show that the decay in generalization performance of adversarial training is a result of the model's attempt to fit hard adversarial instances.
no code implementations • 29 Sep 2021 • Zhichao Huang, Chen Liu, Mathieu Salzmann, Sabine Süsstrunk, Tong Zhang
Although adversarial training and its variants currently constitute the most effective way to achieve robustness against adversarial attacks, their poor generalization limits their performance on the test samples.
no code implementations • 17 Sep 2021 • Wei Huang, Chen Liu, Yihua Zhao, Xinyun Yang, Zhaoming Pan, Zhimin Zhang, Guiquan Liu
Hierarchical Text Classification (HTC), which aims to predict text labels organized in hierarchical space, is a significant task lacking in investigation in natural language processing.
1 code implementation • EMNLP 2021 • Chen Liu, Mengchao Zhang, Zhibin Fu, Pan Hou, Yu Li
In natural language processing (NLP), state-of-the-art (SOTA) semi-supervised learning (SSL) frameworks have shown great performance on deep pre-trained language models such as BERT, and are expected to significantly reduce the demand for manual labeling.
no code implementations • 8 Sep 2021 • Geng-Xin Xu, Chen Liu, Jun Liu, Zhongxiang Ding, Feng Shi, Man Guo, Wei Zhao, Xiaoming Li, Ying WEI, Yaozong Gao, Chuan-Xian Ren, Dinggang Shen
Particularly, we propose a domain translator and align the heterogeneous data to the estimated class prototypes (i. e., class centers) in a hyper-sphere manifold.
no code implementations • 11 Aug 2021 • Hui Song, Chen Liu, Mahdi Jalili, Xinghuo Yu, Peter McTaggart
Optimal coordinated charging is a multi-objective optimization problem (MOOP) in nature, with objective functions such as minimum price charging and minimum disruptions to the grid.
no code implementations • 23 Jun 2021 • Chen Liu, Bo Li, Jun Zhao, Ming Su, Xu-Dong Liu
In this paper, we propose MG-DVD, a novel detection framework based on dynamic heterogeneous graph learning, to detect malware variants in real time.
1 code implementation • 22 Jun 2021 • Chen Liu
Image reconstruction is likely the most predominant auxiliary task for image classification, but we would like to think twice about this convention.
no code implementations • NAACL 2021 • Amir Ganiev, Colton Chapin, Anderson de Andrade, Chen Liu
We used a BERT model that was fine-tuned for emotion analysis, returning a probability distribution of emotions given a paragraph.
no code implementations • 10 Apr 2021 • Nanyan Zhu, Chen Liu, Xinyang Feng, Dipika Sikka, Sabrina Gjerswold-Selleck, Scott A. Small, Jia Guo
Here we propose a potential solution by first learning a structural-to-functional transformation in brain MRI, and further synthesizing spatially matched functional images from large-scale structural scans.
1 code implementation • CVPR 2021 • Chengming Xu, Chen Liu, Li Zhang, Chengjie Wang, Jilin Li, Feiyue Huang, xiangyang xue, Yanwei Fu
Our insight is that these methods would lead to poor adaptation with redundant matching, and leveraging channel-wise adjustment is the key to well adapting the learned knowledge to new classes.
no code implementations • 8 Jan 2021 • Nannan Wu, Qianwen Chao, Yanzhen Chen, Weiwei Xu, Chen Liu, Dinesh Manocha, Wenxin Sun, Yi Han, Xinran Yao, Xiaogang Jin
Given a query shape and pose of the virtual agent, we synthesize the resulting clothing deformation by blending the Taylor expansion results of nearby anchoring points.
Graphics
no code implementations • 1 Jan 2021 • Chen Liu, Jinze Cui, Dailin Gan, Guosheng Yin
Our method, combining GCNs and distance aware pooling, can integrate the information from all slices in the chest CT scans for optimal decision making, which leads to the state-of-the-art accuracy in the COVID-19 diagnosis and prognosis.
no code implementations • 4 Nov 2020 • Chen Liu, Jedsada Lertthanasarn, Minh-Son Pham
A recent report on successful employment of the grain boundary strengthening to design extraordinarily damage-tolerant architected materials (i. e. meta-crystals) necessitates fundamental studies to understand the underlying mechanisms responsible for the toughening and high performance of meta-crystals.
Materials Science
no code implementations • 7 Sep 2020 • Chen Liu, Su Zhu, Lu Chen, Kai Yu
The framework consists of a slot tagging model and a rule-based value error recovery module.
Automatic Speech Recognition
Automatic Speech Recognition (ASR)
+3
no code implementations • 10 Jul 2020 • Chen Liu, Jiaqi Fan, Guosheng Yin
Image dehazing without paired haze-free images is of immense importance, as acquiring paired images often entails significant cost.
1 code implementation • 4 Jul 2020 • Yanwei Fu, Chen Liu, Donghao Li, Xinwei Sun, Jinshan Zeng, Yuan YAO
Over-parameterization is ubiquitous nowadays in training neural networks to benefit both optimization in seeking global optima and generalization in reducing prediction error.
1 code implementation • NeurIPS 2020 • Chen Liu, Mathieu Salzmann, Tao Lin, Ryota Tomioka, Sabine Süsstrunk
We analyze the influence of adversarial training on the loss landscape of machine learning models.
1 code implementation • 8 Jun 2020 • Anderson de Andrade, Chen Liu
Graph Attention Network (GAT) and GraphSAGE are neural network architectures that operate on graph-structured data and have been widely studied for link prediction and node classification.
1 code implementation • ACL 2020 • Ruisheng Cao, Su Zhu, Chenyu Yang, Chen Liu, Rao Ma, Yanbin Zhao, Lu Chen, Kai Yu
One daunting problem for semantic parsing is the scarcity of annotation.
1 code implementation • 24 May 2020 • Chen Liu, Su Zhu, Zijian Zhao, Ruisheng Cao, Lu Chen, Kai Yu
In this paper, a novel BERT based SLU model (WCN-BERT SLU) is proposed to encode WCNs and the dialogue context jointly.
no code implementations • 14 May 2020 • Weiwei Chen, Ying Wang, Shuang Yang, Chen Liu, Lei Zhang
DNN/Accelerator co-design has shown great potential in improving QoR and performance.
1 code implementation • CVPR 2020 • Yikai Wang, Chengming Xu, Chen Liu, Li Zhang, Yanwei Fu
To measure the credibility of each pseudo-labeled instance, we then propose to solve another linear regression hypothesis by increasing the sparsity of the incidental parameters and rank the pseudo-labeled instances with their sparsity degree.
1 code implementation • 15 Jan 2020 • Nanyan Zhu, Chen Liu, Zakary S. Singer, Tal Danino, Andrew F. Laine, Jia Guo
The ability to extrapolate gene expression dynamics in living single cells requires robust cell segmentation, and one of the challenges is the amorphous or irregularly shaped cell boundaries.
no code implementations • 15 Jan 2020 • Haoran Sun, Xueqing Liu, Xinyang Feng, Chen Liu, Nanyan Zhu, Sabrina J. Gjerswold-Selleck, Hong-Jian Wei, Pavan S. Upadhyayula, Angeliki Mela, Cheng-Chia Wu, Peter D. Canoll, Andrew F. Laine, J. Thomas Vaughan, Scott A. Small, Jia Guo
Together, these studies validate our hypothesis that a deep learning approach can potentially replace the need for GBCAs in brain MRI.
1 code implementation • 10 Dec 2019 • Chen Liu, Mathieu Salzmann, Sabine Süsstrunk
Training certifiable neural networks enables one to obtain models with robustness guarantees against adversarial attacks.
1 code implementation • WS 2019 • Chen Liu, Anderson de Andrade, Muhammad Osama
We study methods for learning sentence embeddings with syntactic structure.
no code implementations • IJCNLP 2019 • Chen Liu, Muhammad Osama, Anderson de Andrade
Our results show that the dataset provides a novel opportunity in emotion analysis that requires moving beyond existing sentence-level techniques.
no code implementations • 25 Sep 2019 • Zuyuan Zhong, Chen Liu, Yanwei Fu, Yuan YAO
Network structures are important to learning good representations of many tasks in computer vision and machine learning communities.
no code implementations • 25 Sep 2019 • Yanwei Fu, Chen Liu, Donghao Li, Xinwei Sun, Jinshan Zeng, Yuan YAO
Over-parameterization is ubiquitous nowadays in training neural networks to benefit both optimization in seeking global optima and generalization in reducing prediction error.
1 code implementation • ICCV 2019 • Jiacheng Chen, Chen Liu, Jiaye Wu, Yasutaka Furukawa
This paper proposes a new approach for automated floorplan reconstruction from RGBD scans, a major milestone in indoor mapping research.
1 code implementation • ACL 2019 • Ruisheng Cao, Su Zhu, Chen Liu, Jieyu Li, Kai Yu
Semantic parsing converts natural language queries into structured logical forms.
no code implementations • 17 Jun 2019 • Kedan Li, Chen Liu, David Forsyth
A user study suggests that people understand the match between the queries and the outfits produced by our method.
1 code implementation • 23 May 2019 • Yanwei Fu, Chen Liu, Donghao Li, Zuyuan Zhong, Xinwei Sun, Jinshan Zeng, Yuan YAO
To fill in this gap, this paper proposes a new approach based on differential inclusions of inverse scale spaces, which generate a family of models from simple to complex ones along the dynamics via coupling a pair of parameters, such that over-parameterized deep models and their structural sparsity can be explored simultaneously.
no code implementations • 15 Mar 2019 • Chen Liu, Ryota Tomioka, Volkan Cevher
This work studies the robustness certification problem of neural network models, which aims to find certified adversary-free regions as large as possible around data points.
1 code implementation • 12 Feb 2019 • Chen Liu, Yasutaka Furukawa
We propose a new approach for 3D instance segmentation based on sparse convolution and point affinity prediction, which indicates the likelihood of two points belonging to the same instance.
Ranked #1 on
3D Instance Segmentation
on ScanNet
no code implementations • 17 Dec 2018 • Tianyu Li, Yukun Ma, Jiu Xu, Bjorn Stenger, Chen Liu, Yu Hirate
This paper leverages heterogeneous auxiliary information to address the data sparsity problem of recommender systems.
2 code implementations • CVPR 2019 • Chen Liu, Kihwan Kim, Jinwei Gu, Yasutaka Furukawa, Jan Kautz
This paper proposes a deep neural architecture, PlaneRCNN, that detects and reconstructs piecewise planar surfaces from a single RGB image.
no code implementations • ICLR 2019 • Ya-Ping Hsieh, Chen Liu, Volkan Cevher
We reconsider the training objective of Generative Adversarial Networks (GANs) from the mixed Nash Equilibria (NE) perspective.
1 code implementation • CVPR 2018 • Chen Liu, Jimei Yang, Duygu Ceylan, Ersin Yumer, Yasutaka Furukawa
The proposed end-to-end DNN learns to directly infer a set of plane parameters and corresponding plane segmentation masks from a single RGB image.
Ranked #2 on
Plane Instance Segmentation
on NYU Depth v2
2 code implementations • ECCV 2018 • Chen Liu, Jiaye Wu, Yasutaka Furukawa
The ultimate goal of this indoor mapping research is to automatically reconstruct a floorplan simply by walking through a house with a smartphone in a pocket.
no code implementations • 22 Feb 2018 • Jie Tang, Shaoshan Liu, Songwen Pei, Stephane Zuckerman, Chen Liu, Weisong Shi, Jean-Luc Gaudiot
Then, once the students have understood these modules, the experimental platforms for integration we have developed allow the students to fully understand how the modules interact with each other.
1 code implementation • ICCV 2017 • Chen Liu, Jiajun Wu, Pushmeet Kohli, Yasutaka Furukawa
A neural architecture first transforms a rasterized image to a set of junctions that represent low-level geometric and semantic information (e. g., wall corners or door end-points).
no code implementations • 5 Dec 2016 • Chen Liu, Jiajun Wu, Pushmeet Kohli, Yasutaka Furukawa
Our result implies that neural networks are effective at perceptual tasks that require long periods of reasoning even for humans to solve.
no code implementations • 5 Dec 2016 • Chen Liu, Hang Yan, Pushmeet Kohli, Yasutaka Furukawa
This paper proposes a novel MAP inference framework for Markov Random Field (MRF) in parallel computing environments.
no code implementations • CVPR 2016 • Chen Liu, Pushmeet Kohli, Yasutaka Furukawa
This paper addresses the challenging problem of perceiving the hidden or occluded geometry of the scene depicted in any given RGBD image.
1 code implementation • 26 Jun 2015 • Chen Liu, Ezequiel E. Ferrero, Francesco Puosi, Jean-Louis Barrat, Kirsten Martens
We study stress time series caused by plastic avalanches in athermally sheared disordered materials.
Soft Condensed Matter Statistical Mechanics