1 code implementation • CVPR 2023 • Linglan Zhao, Jing Lu, Yunlu Xu, Zhanzhan Cheng, Dashan Guo, Yi Niu, Xiangzhong Fang
While knowledge distillation, a prevailing technique in CIL, can alleviate the catastrophic forgetting of older classes by regularizing outputs between current and previous model, it fails to consider the overfitting risk of novel classes in FSCIL.
no code implementations • CVPR 2023 • Beitong Zhou, Jing Lu, Kerui Liu, Yunlu Xu, Zhanzhan Cheng, Yi Niu
Recent developments of the application of Contrastive Learning in Semi-Supervised Learning (SSL) have demonstrated significant advancements, as a result of its exceptional ability to learn class-aware cluster representations and the full exploitation of massive unlabeled data.
1 code implementation • 17 Oct 2022 • Sanli Tang, Zhongyu Zhang, Zhanzhan Cheng, Jing Lu, Yunlu Xu, Yi Niu, Fan He
Then, a robust distilling module (RDM) is applied to construct the global knowledge based on the prototypes and filtrate noisy global and local knowledge by measuring the discrepancy of the representations in two feature spaces.
no code implementations • 14 Jul 2022 • Guimei Cao, Zhanzhan Cheng, Yunlu Xu, Duo Li, ShiLiang Pu, Yi Niu, Fei Wu
In this paper, we propose an end-to-end trainable adaptively expandable network named E2-AEN, which dynamically generates lightweight structures for new tasks without any accuracy drop in previous tasks.
no code implementations • 14 Jul 2022 • Zhanzhan Cheng, Peng Zhang, Can Li, Qiao Liang, Yunlu Xu, Pengfei Li, ShiLiang Pu, Yi Niu, Fei Wu
Most existing methods divide this task into two subparts: the text reading part for obtaining the plain text from the original document images and the information extraction part for extracting key contents.
1 code implementation • 14 Jul 2022 • Liang Qiao, Hui Jiang, Ying Chen, Can Li, Pengfei Li, Zaisheng Li, Baorui Zou, Dashan Guo, Yingda Xu, Yunlu Xu, Zhanzhan Cheng, Yi Niu
Compared with the previous opensource OCR toolbox, DavarOCR has relatively more complete support for the sub-tasks of the cutting-edge technology of document understanding.
no code implementations • 13 Jan 2022 • Duo Li, Guimei Cao, Yunlu Xu, Zhanzhan Cheng, Yi Niu
In the SSLAD-Track 3B challenge on continual learning, we propose the method of COntinual Learning with Transformer (COLT).
no code implementations • 21 Oct 2021 • Linlan Zhao, Dashan Guo, Yunlu Xu, Liang Qiao, Zhanzhan Cheng, ShiLiang Pu, Yi Niu, Xiangzhong Fang
Few-shot learning (FSL) aims to learn models that generalize to novel classes with limited training samples.
1 code implementation • 13 May 2021 • Hui Jiang, Yunlu Xu, Zhanzhan Cheng, ShiLiang Pu, Yi Niu, Wenqi Ren, Fei Wu, Wenming Tan
In this work, we excavate the implicit task, character counting within the traditional text recognition, without additional labor annotation cost.
1 code implementation • 8 Dec 2020 • Liang Qiao, Ying Chen, Zhanzhan Cheng, Yunlu Xu, Yi Niu, ShiLiang Pu, Fei Wu
Recently end-to-end scene text spotting has become a popular research topic due to its advantages of global optimization and high maintainability in real applications.
Ranked #6 on Text Spotting on SCUT-CTW1500
3 code implementations • 27 May 2020 • Chengwei Zhang, Yunlu Xu, Zhanzhan Cheng, ShiLiang Pu, Yi Niu, Fei Wu, Futai Zou
Arbitrary text appearance poses a great challenge in scene text recognition tasks.
1 code implementation • 27 May 2020 • Peng Zhang, Yunlu Xu, Zhanzhan Cheng, ShiLiang Pu, Jing Lu, Liang Qiao, Yi Niu, Fei Wu
Since real-world ubiquitous documents (e. g., invoices, tickets, resumes and leaflets) contain rich information, automatic document image understanding has become a hot topic.
no code implementations • 26 Feb 2020 • Zhanzhan Cheng, Yunlu Xu, Mingjian Cheng, Yu Qiao, ShiLiang Pu, Yi Niu, Fei Wu
Recurrent neural network (RNN) has been widely studied in sequence learning tasks, while the mainstream models (e. g., LSTM and GRU) rely on the gating mechanism (in control of how information flows between hidden states).
1 code implementation • 17 Feb 2020 • Liang Qiao, Sanli Tang, Zhanzhan Cheng, Yunlu Xu, Yi Niu, ShiLiang Pu, Fei Wu
Many approaches have recently been proposed to detect irregular scene text and achieved promising results.
Ranked #8 on Text Spotting on SCUT-CTW1500
no code implementations • 7 Aug 2019 • Chengwei Zhang, Yunlu Xu, Zhanzhan Cheng, Yi Niu, ShiLiang Pu, Fei Wu, Futai Zou
The second module is a specific classifier for mining trivial or incomplete action regions, which is trained on the shared features after erasing the seeded regions activated by SSG.
Action Detection Weakly-supervised Temporal Action Localization +1
no code implementations • 19 Nov 2018 • Yunlu Xu, Chengwei Zhang, Zhanzhan Cheng, Jianwen Xie, Yi Niu, ShiLiang Pu, Fei Wu
Finally, we transform the output of recurrent neural network into the corresponding action distribution.
no code implementations • ICCV 2017 • Zhanzhan Cheng, Fan Bai, Yunlu Xu, Gang Zheng, ShiLiang Pu, Shuigeng Zhou
FAN consists of two major components: an attention network (AN) that is responsible for recognizing character targets as in the existing methods, and a focusing network (FN) that is responsible for adjusting attention by evaluating whether AN pays attention properly on the target areas in the images.