1 code implementation • 10 Aug 2023 • Yangyang Xu, Yibo Yang, Bernard Ghanem, Lefei Zhang, Du Bo, DaCheng Tao
In this work, we present a novel MTL model by combining both merits of deformable CNN and query-based Transformer with shared gating for multi-task learning of dense prediction.
2 code implementations • 3 Aug 2023 • Yibo Yang, Haobo Yuan, Xiangtai Li, Jianlong Wu, Lefei Zhang, Zhouchen Lin, Philip Torr, DaCheng Tao, Bernard Ghanem
Beyond the normal case, long-tail class incremental learning and few-shot class incremental learning are also proposed to consider the data imbalance and data scarcity, respectively, which are common in real-world implementations and further exacerbate the well-known problem of catastrophic forgetting.
class-incremental learning
Few-Shot Class-Incremental Learning
+1
1 code implementation • 2 Jul 2023 • Yineng Chen, Zuchao Li, Lefei Zhang, Bo Du, Hai Zhao
SGD and Adam are two classical and effective optimizers on which researchers have proposed many variants, such as SGDM and RAdam.
no code implementations • 2 Jul 2023 • Meng Lan, Fu Rong, Zuchao Li, Wei Yu, Lefei Zhang
Moreover, a bidirectional vision-language interaction module is implemented before the multimodal Transformer to enhance the correlation between the visual and linguistic features, thus facilitating the language queries to decode more precise object information from visual features and ultimately improving the segmentation performance.
Referring Video Object Segmentation
Representation Learning
+2
1 code implementation • 23 Jun 2023 • Jiaqi Ma, Tianheng Cheng, Guoli Wang, Qian Zhang, Xinggang Wang, Lefei Zhang
We then leverage degradation-aware visual prompts to establish a controllable and universal model for image restoration, called ProRes, which is applicable to an extensive range of image restoration tasks.
1 code implementation • 19 Jun 2023 • Tianshuo Peng, Zuchao Li, Lefei Zhang, Bo Du, Hai Zhao
To address these deficiencies, we propose the Fuzzy Span Universal Information Extraction (FSUIE) framework.
no code implementations • 12 Mar 2023 • Yuchun Miao, Lefei Zhang, Liangpei Zhang, DaCheng Tao
This is especially inappropriate for data-starved hyperspectral image (HSI) restoration.
no code implementations • 8 Mar 2023 • Xin Yan, Zuchao Li, Lefei Zhang, Bo Du, DaCheng Tao
Our proposed approach, \textbf{CCViT}, leverages k-means clustering to obtain centroids for image modeling without supervised training of tokenizer model.
2 code implementations • 9 Jan 2023 • Yangyang Xu, Yibo Yang, Lefei Zhang
In this work, we present a novel MTL model by combining both merits of deformable CNN and query-based Transformer for multi-task learning of dense prediction.
1 code implementation • 5 Dec 2022 • Meng Lan, Jing Zhang, Lefei Zhang, DaCheng Tao
Recently, the joint learning framework (JOINT) integrates matching based transductive reasoning and online inductive learning to achieve accurate and robust semi-supervised video object segmentation (SVOS).
Semantic Segmentation
Semi-Supervised Video Object Segmentation
+1
no code implementations • 31 Aug 2022 • Jiaqi Ma, Shengyuan Yan, Lefei Zhang, Guoli Wang, Qian Zhang
In order to get raw images of high quality for downstream Image Signal Process (ISP), in this paper we present an Efficient Locally Multiplicative Transformer called ELMformer for raw image restoration.
1 code implementation • 28 May 2022 • Yangyang Xu, Xiangtai Li, Haobo Yuan, Yibo Yang, Lefei Zhang
We first model each task with a task-relevant query.
2 code implementations • 11 May 2022 • Yawei Li, Kai Zhang, Radu Timofte, Luc van Gool, Fangyuan Kong, Mingxi Li, Songwei Liu, Zongcai Du, Ding Liu, Chenhui Zhou, Jingyi Chen, Qingrui Han, Zheyuan Li, Yingqi Liu, Xiangyu Chen, Haoming Cai, Yu Qiao, Chao Dong, Long Sun, Jinshan Pan, Yi Zhu, Zhikai Zong, Xiaoxiao Liu, Zheng Hui, Tao Yang, Peiran Ren, Xuansong Xie, Xian-Sheng Hua, Yanbo Wang, Xiaozhong Ji, Chuming Lin, Donghao Luo, Ying Tai, Chengjie Wang, Zhizhong Zhang, Yuan Xie, Shen Cheng, Ziwei Luo, Lei Yu, Zhihong Wen, Qi Wu1, Youwei Li, Haoqiang Fan, Jian Sun, Shuaicheng Liu, Yuanfei Huang, Meiguang Jin, Hua Huang, Jing Liu, Xinjian Zhang, Yan Wang, Lingshun Long, Gen Li, Yuanfan Zhang, Zuowei Cao, Lei Sun, Panaetov Alexander, Yucong Wang, Minjie Cai, Li Wang, Lu Tian, Zheyuan Wang, Hongbing Ma, Jie Liu, Chao Chen, Yidong Cai, Jie Tang, Gangshan Wu, Weiran Wang, Shirui Huang, Honglei Lu, Huan Liu, Keyan Wang, Jun Chen, Shi Chen, Yuchun Miao, Zimo Huang, Lefei Zhang, Mustafa Ayazoğlu, Wei Xiong, Chengyi Xiong, Fei Wang, Hao Li, Ruimian Wen, Zhijing Yang, Wenbin Zou, Weixin Zheng, Tian Ye, Yuncheng Zhang, Xiangzhen Kong, Aditya Arora, Syed Waqas Zamir, Salman Khan, Munawar Hayat, Fahad Shahbaz Khan, Dandan Gaoand Dengwen Zhouand Qian Ning, Jingzhu Tang, Han Huang, YuFei Wang, Zhangheng Peng, Haobo Li, Wenxue Guan, Shenghua Gong, Xin Li, Jun Liu, Wanjun Wang, Dengwen Zhou, Kun Zeng, Hanjiang Lin, Xinyu Chen, Jinsheng Fang
The aim was to design a network for single image super-resolution that achieved improvement of efficiency measured according to several metrics including runtime, parameters, FLOPs, activations, and memory consumption while at least maintaining the PSNR of 29. 00dB on DIV2K validation set.
1 code implementation • 28 Dec 2021 • Meng Lan, Jing Zhang, Fengxiang He, Lefei Zhang
Semi-supervised video object segmentation (VOS) refers to segmenting the target object in remaining frames given its annotation in the first frame, which has been actively studied in recent years.
Semantic Segmentation
Semi-Supervised Video Object Segmentation
+1
1 code implementation • 5 Dec 2021 • Haobo Yuan, Xiangtai Li, Yibo Yang, Guangliang Cheng, Jing Zhang, Yunhai Tong, Lefei Zhang, DaCheng Tao
The Depth-aware Video Panoptic Segmentation (DVPS) is a new challenging vision problem that aims to predict panoptic segmentation and depth in a video simultaneously.
no code implementations • 22 Nov 2021 • Haobo Yuan, Teng Chen, Wei Sui, Jiafeng Xie, Lefei Zhang, Yuan Li, Qian Zhang
It implies planar parallax and can be combined with the road plane serving as a reference to estimate the 3D structure by warping the consecutive frames.
1 code implementation • 28 Aug 2021 • Lefei Zhang, Meng Lan, Jing Zhang, DaCheng Tao
In this paper, we propose a novel stagewise domain adaptation model called RoadDA to address the DS issue in this field.
1 code implementation • 20 Jul 2021 • Li Gao, Jing Zhang, Lefei Zhang, DaCheng Tao
In addition, feature-level alignment is carried out by aligning the feature maps of the source and target images from student network using a weighted maximum mean discrepancy loss.
Ranked #17 on
Synthetic-to-Real Translation
on SYNTHIA-to-Cityscapes
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 • 1 Mar 2021 • Ziqing Lu, Chang Xu, Bo Du, Takashi Ishida, Lefei Zhang, Masashi Sugiyama
In neural networks, developing regularization algorithms to settle overfitting is one of the major study areas.
1 code implementation • CVPR 2020 • Jingyuan Li, Ning Wang, Lefei Zhang, Bo Du, DaCheng Tao
To capture information from distant places in the feature map for RFR, we further develop KCA and incorporate it in RFR.
1 code implementation • 14 May 2019 • Sheng Wan, Chen Gong, Ping Zhong, Bo Du, Lefei Zhang, Jian Yang
To alleviate this shortcoming, we consider employing the recently proposed Graph Convolutional Network (GCN) for hyperspectral image classification, as it can conduct the convolution on arbitrarily structured non-Euclidean data and is applicable to the irregular image regions represented by graph topological information.
no code implementations • 14 Apr 2019 • Bo Du, Zengmao Wang, Lefei Zhang, Liangpei Zhang, Wei Liu, Jialie Shen, DaCheng Tao
Then can we find a way to fuse the two active sampling criteria without any assumption on data?
no code implementations • 14 Apr 2019 • Bo Du, Zengmao Wang, Lefei Zhang, Liangpei Zhang, DaCheng Tao
Meanwhile, it is also hard to build a good model without diagnosing discriminative labels.
no code implementations • 8 Apr 2019 • Lefei Zhang, Qian Zhang, Bo Du, Xin Huang, Yuan Yan Tang, DaCheng Tao
In a feature representation point of view, a nature approach to handle this situation is to concatenate the spectral and spatial features into a single but high dimensional vector and then apply a certain dimension reduction technique directly on that concatenated vector before feed it into the subsequent classifier.
no code implementations • CVPR 2019 • Sheng Li, Fengxiang He, Bo Du, Lefei Zhang, Yonghao Xu, DaCheng Tao
Recently, deep learning based video super-resolution (SR) methods have achieved promising performance.
no code implementations • 23 Nov 2018 • Meng Lan, YiPeng Zhang, Lefei Zhang, Bo Du
In this work, we study the performance of the region-based CNN for the electrical equipment defect detection by using the UAV images.
no code implementations • 19 Aug 2018 • Pan Xiao, Bo Du, Jia Wu, Lefei Zhang, Ruimin Hu, Xuelong. Li
Many classic methods solve the domain adaptation problem by establishing a common latent space, which may cause the loss of many important properties across both domains.
3 code implementations • 30 Jul 2018 • Liangchen Song, Cheng Wang, Lefei Zhang, Bo Du, Qian Zhang, Chang Huang, Xinggang Wang
We study the problem of unsupervised domain adaptive re-identification (re-ID) which is an active topic in computer vision but lacks a theoretical foundation.
Ranked #15 on
Unsupervised Domain Adaptation
on Market to Duke
no code implementations • 13 Jan 2014 • Lefei Zhang
One of the main purposes of earth observation is to extract interested information and knowledge from remote sensing (RS) images with high efficiency and accuracy.