no code implementations • ICON 2021 • Hefei Qiu, Wei Ding, Ping Chen
Learning sentence representations which capture rich semantic meanings has been crucial for many NLP tasks.
no code implementations • 7 Apr 2024 • Peng Tu, Xun Zhou, Mingming Wang, Xiaojun Yang, Bo Peng, Ping Chen, Xiu Su, Yawen Huang, Yefeng Zheng, Chang Xu
Neural Radiance Fields (NeRF) have emerged as a paradigm-shifting methodology for the photorealistic rendering of objects and environments, enabling the synthesis of novel viewpoints with remarkable fidelity.
no code implementations • 25 Jan 2024 • Chuankun Li, Shuai Li, Yanbo Gao, Ping Chen, Jian Li, Wanqing Li
To address this problem, the overfitting mechanism behind the unsupervised learning for skeleton based action recognition is first investigated.
1 code implementation • 27 Dec 2023 • Wenbin An, Feng Tian, Wenkai Shi, Yan Chen, Yaqiang Wu, Qianying Wang, Ping Chen
On the other hand, we use these prototypes to calibrate noisy prototypes estimated from unlabeled data based on category similarities, which allows for more accurate estimation of prototypes for novel categories that can be used as reliable learning targets later.
1 code implementation • 18 Dec 2023 • Wenbin An, Wenkai Shi, Feng Tian, Haonan Lin, Qianying Wang, Yaqiang Wu, Mingxiang Cai, Luyan Wang, Yan Chen, Haiping Zhu, Ping Chen
Then we propose a Scalable Query strategy to allow LLMs to choose true neighbors of the selected samples from multiple candidate samples.
1 code implementation • 30 Nov 2023 • Ping Chen, Xingpeng Zhang, Chengtao Zhou, Dichao Fan, Peng Tu, Le Zhang, Yanlin Qian
Convolution neural network is successful in pervasive vision tasks, including label distribution learning, which usually takes the form of learning an injection from the non-linear visual features to the well-defined labels.
1 code implementation • 24 Oct 2023 • Wenkai Shi, Wenbin An, Feng Tian, Qinghua Zheng, Qianying Wang, Ping Chen
New Intent Discovery (NID) aims to recognize both new and known intents from unlabeled data with the aid of limited labeled data containing only known intents.
1 code implementation • 16 Oct 2023 • Wenbin An, Feng Tian, Wenkai Shi, Yan Chen, Qinghua Zheng, Qianying Wang, Ping Chen
Specifically, we retrieve k-nearest neighbors of a query as its positive keys to capture semantic similarities between data and then aggregate information from the neighbors to learn compact cluster representations, which can make fine-grained categories more separatable.
1 code implementation • CVPR 2023 • Ping Chen, Xingpeng Zhang, Ye Li, Ju Tao, Bin Xiao, Bing Wang, Zongjie Jiang
Inspired by the transfer learning, we designed the Delta Age AdaIN (DAA) operation to obtain the feature difference with each age, which obtains the style map of each age through the learned values representing the mean and standard deviation.
2 code implementations • 28 Nov 2022 • Wenbin An, Feng Tian, Qinghua Zheng, Wei Ding, Qianying Wang, Ping Chen
Furthermore, the coupled training approach prevents these models transferring category-specific knowledge explicitly from labeled data to unlabeled data, which can lose high-level semantic information and impair model performance.
no code implementations • 24 Nov 2022 • Ziwei Yu, Linlin Yang, You Xie, Ping Chen, Angela Yao
We propose a novel framework for 3D hand shape reconstruction and hand-object grasp optimization from a single RGB image.
1 code implementation • 14 Oct 2022 • Wenbin An, Feng Tian, Ping Chen, Siliang Tang, Qinghua Zheng, Qianying Wang
Novel category discovery aims at adapting models trained on known categories to novel categories.
no code implementations • 23 Mar 2021 • Yanping Chen, Wenfan Jin, Yongbin Qin, Ruizhang Huang, Qinghua Zheng, Ping Chen
This annotation guideline emphasizes the role of the predicate as the structural center of a sentence.
no code implementations • 18 Feb 2021 • S. J. Brennan, M. Fraser, J. Johansson, A. Pastorello, R. Kotak, H. F. Stevance, T. -W. Chen, J. J. Eldridge, S. Bose, P. J. Brown, E. Callis, R. Cartier, M. Dennefeld, Subo Dong, P. Duffy, N. Elias-Rosa, G. Hosseinzadeh, E. Hsiao, H. Kuncarayakti, A. Martin-Carrillo, B. Monard, G. Pignata, D. Sand, B. J. Shappee, S. J. Smartt, B. E. Tucker, L. Wyrzykowski, H. Abbot, S. Benetti, S. Blondin, Ping Chen, J. Bento, A. Delgado, L. Galbany, M. Gromadzki, C. P. Gutiérrez, L. Hanlon, D. L. Harrison, D. Hiramatsu, S. T. Hodgkin, T. W. -S. Holoien, D. A. Howell, C. Inserra, E. Kankare, S. Kozlowski, K. Maguire, T. E. Müller-Bravo, C. McCully, P. Meintjes, N. Morrell, M. Nicholl, D. O'Neill, P. Pietrukowicz, R. Poleski, J. L. Prieto, A. Rau, D. E. Reichart, T. Schweyer, M. Shahbandeh, J. Skowron, J. Sollerman, I. Soszńyski, M. D. Stritzinger, M. Szymański, L. Tartaglia, A. Udalski, K. Ulaczyk, D. R. Young, M. van Leeuwen, B. van Soelen
We present the bolometric lightcurve, identification and analysis of the progenitor candidate, and preliminary modelling of AT2016jbu (Gaia16cfr).
High Energy Astrophysical Phenomena Solar and Stellar Astrophysics
no code implementations • ICCV 2021 • Ping Chen, Yujin Chen, Dong Yang, Fangyin Wu, Qin Li, Qingpei Xia, Yong Tan
Reconstructing a high-precision and high-fidelity 3D human hand from a color image plays a central role in replicating a realistic virtual hand in human-computer interaction and virtual reality applications.
1 code implementation • 29 Nov 2020 • Yanping Chen, Lefei Wu, Qinghua Zheng, Ruizhang Huang, Jun Liu, Liyuan Deng, Junhui Yu, Yongbin Qing, Bo Dong, Ping Chen
Then, a regression operation is introduced to regress boundaries of NEs in a sentence.
1 code implementation • 11 Sep 2020 • Lan Zhang, Peng Liu, Yoon-Ho Choi, Ping Chen
As an increasing number of deep-learning-based malware scanners have been proposed, the existing evasion techniques, including code obfuscation and polymorphic malware, are found to be less effective.
no code implementations • 2 Jul 2020 • Aili Zhang, Ping Chen, Shuanming Li, Wenyuan Wang
The results have semi-explicit expressions in terms of the scale functions and the L\'{e}vy triplets associated with the two underlying L\'{e}vy processes.
no code implementations • 27 Feb 2020 • Zhaoheng Gong, Ping Chen, Jiang Zhou
Named entity recognition is a challenging task in Natural Language Processing, especially for informal and noisy social media text.
no code implementations • 23 Feb 2020 • Matthew Almeida, Wei Ding, Scott Crouter, Ping Chen
To overcome this dilemma, we take a different perspective and investigate a new approach to handle inaccuracy and uncertainty in the training data labels, which are inevitable in many applications where labels are conceptual and labeling is performed by human annotators.
no code implementations • 20 Feb 2020 • Kevin M. Amaral, Zihan Li, Wei Ding, Scott Crouter, Ping Chen
Summarization conducted by the \textit{SummerTime} method will be a fixed-length feature vector which can be used in-place of the time series dataset for use with classical machine learning methods.
no code implementations • 1 Dec 2019 • Tinghao Zhang, Jing Luo, Ping Chen, Jie Liu
At high latitudes, many cities adopt a centralized heating system to improve the energy generation efficiency and to reduce pollution.
no code implementations • 3 Jun 2019 • Wenyuan Wang, Ping Chen, Shuanming Li
This paper considers an insurance surplus process modeled by a spectrally negative L\'{e}vy process.
1 code implementation • 22 Apr 2019 • Lluís Galbany, Chris Ashall, Peter Hoeflich, Santiago González-Gaitán, Stefan Taubenberger, Maximilian Stritzinger, Eric Y. Hsiao, Paolo Mazzali, Eddie Baron, Stéphane Blondin, Subhash Bose, Mattia Bulla, Jamison F. Burke, Christopher R. Burns, Régis Cartier, Ping Chen, Massimo Della Valle, Tiara R. Diamond, Claudia P. Gutiérrez, Jussi Harmanen, Daichi Hiramatsu, T. W. -S. Holoien, Griffin Hosseinzadeh, D. Andrew Howell, Yiwen Huang, Cosimo Inserra, Thomas de Jaeger, Saurabh W. Jha, Tuomas Kangas, Markus Kromer, Joseph D. Lyman, Kate Maguire, George Howie Marion, Dan Milisavljevic, Simon J. Prentice, Alessandro Razza, Thomas M. Reynolds, David J. Sand, Benjamin J. Shappee, Rohit Shekhar, Stephen J. Smartt, Keivan G. Stassun, Mark Sullivan, Stefano Valenti, Steven Villanueva, Xiao-Feng Wang, J. Craig Wheeler, Qian Zhai, Jujia Zhang
Our modeling suggests that the narrow [Ca II] features observed in the nebular spectrum are associated with $^{48}$Ca from electron capture during the explosion, which is expected to occur only in white dwarfs that explode near or at the $M_{\rm Ch}$ limit.
Solar and Stellar Astrophysics High Energy Astrophysical Phenomena
no code implementations • 8 Jul 2017 • Tong Wang, Ping Chen, Boyang Li
An important and difficult challenge in building computational models for narratives is the automatic evaluation of narrative quality.
no code implementations • 21 Apr 2017 • Ping Chen, Fei Wu, Tong Wang, Wei Ding
In this paper, we will present some preliminary results on one especially useful and challenging problem in NLP system evaluation: how to pinpoint content differences of two text passages (especially for large pas-sages such as articles and books).
no code implementations • 5 Apr 2017 • Kevin M. Amaral, Ping Chen, Scott Crouter, Wei Ding
For this, our approach utilizes a mathematical model originating in natural language processing, the bag-of-words model, that has in the past years been appearing in diverse disciplines outside of the natural language processing field such as image processing.
1 code implementation • 27 Sep 2016 • Jipeng Qiang, Ping Chen, Tong Wang, Xindong Wu
Inferring topics from the overwhelming amount of short texts becomes a critical but challenging task for many content analysis tasks, such as content charactering, user interest profiling, and emerging topic detecting.
no code implementations • 13 Sep 2016 • Tong Wang, Ping Chen, Kevin Amaral, Jipeng Qiang
Text simplification (TS) aims to reduce the lexical and structural complexity of a text, while still retaining the semantic meaning.