no code implementations • 23 Sep 2024 • Junqing He, Liang Zhu, Qi Wei, Rui Wang, Jiaxing Zhang
To bridge the gap, we construct a novel benchmark covering various memory recalling paradigms based on cognitive science and psychology theory.
1 code implementation • 15 Jun 2024 • Jiahan Zhang, Qi Wei, Feng Liu, Lei Feng
To alleviate this issue, we propose a Candidate Pseudolabel Learning method, termed CPL, to fine-tune VLMs with suitable candidate pseudolabels of unlabeled data in downstream tasks.
no code implementations • 24 May 2024 • Yuwei Niu, Shuo He, Qi Wei, Feng Liu, Lei Feng
In this paper, we provide the first attempt at a computationally efficient backdoor detection method to defend against backdoored CLIP in the inference stage.
1 code implementation • 24 Jan 2024 • Qi Wei, Lei Feng, Haobo Wang, Bo An
To address this limitation, we propose a noIse-Tolerant Expert Model (ITEM) for debiased learning in sample selection.
1 code implementation • 14 Jun 2023 • Ren Wang, Haoliang Sun, Qi Wei, Xiushan Nie, Yuling Ma, Yilong Yin
The key idea is to first break the rote memories by network pruning to address memorization overfitting in the inner loop, and then the gradients of pruned sub-networks naturally form the high-quality augmentation of the meta-gradient to alleviate learner overfitting in the outer loop.
no code implementations • CVPR 2023 • Qi Wei, Lei Feng, Haoliang Sun, Ren Wang, Chenhui Guo, Yilong Yin
To this end, we propose a novel framework called stochastic noise-tolerated supervised contrastive learning (SNSCL) that confronts label noise by encouraging distinguishable representation.
1 code implementation • 24 Aug 2022 • Qi Wei, Haoliang Sun, Xiankai Lu, Yilong Yin
Sample selection is an effective strategy to mitigate the effect of label noise in robust learning.
no code implementations • 14 Jan 2022 • Andrew Baumgartner, Sevda Molani, Qi Wei, Jennifer Hadlock
We present a simple yet novel time series imputation technique with the goal of constructing an irregular time series that is uniform across every sample in a data set.
1 code implementation • 8 Nov 2021 • Haoliang Sun, Chenhui Guo, Qi Wei, Zhongyi Han, Yilong Yin
In this paper, we propose warped probabilistic inference (WarPI) to achieve adaptively rectifying the training procedure for the classification network within the meta-learning scenario.
1 code implementation • 1 Dec 2020 • Dongjiang Li, Jinyu Miao, Xuesong Shi, Yuxin Tian, Qiwei Long, Tianyu Cai, Ping Guo, Hongfei Yu, Wei Yang, Haosong Yue, Qi Wei, Fei Qiao
Experimental results show that the proposed RaP-Net trained with OpenLORIS-Location dataset achieves excellent performance in the feature matching task and significantly outperforms state-of-the-arts feature algorithms in indoor localization.
1 code implementation • 9 Sep 2020 • Xiuheng Wang, Jie Chen, Qi Wei, Cédric Richard
Furthermore, the regularization parameter is simultaneously estimated to automatically adjust contribution of the physical model and {the} learned prior to reconstruct the final HR HSI.
3 code implementations • 12 Aug 2020 • Dongjiang Li, Xuesong Shi, Qiwei Long, Shenghui Liu, Wei Yang, Fangshi Wang, Qi Wei, Fei Qiao
For visual SLAM algorithms, though the theoretical framework has been well established for most aspects, feature extraction and association is still empirically designed in most cases, and can be vulnerable in complex environments.
Loop Closure Detection Simultaneous Localization and Mapping
no code implementations • 24 Jun 2019 • Dong Wang, Yitong Li, Wei Cao, Liqun Chen, Qi Wei, Lawrence Carin
We propose a Leaked Motion Video Predictor (LMVP) to predict future frames by capturing the spatial and temporal dependencies from given inputs.
2 code implementations • 22 Sep 2018 • Chao Yu, Zuxin Liu, Xinjun Liu, Fugui Xie, Yi Yang, Qi Wei, Qiao Fei
It is one of the state-of-the-art SLAM systems in high-dynamic environments.
Robotics
no code implementations • 14 May 2018 • Wenshuo Li, Jincheng Yu, Xuefei Ning, Pengjun Wang, Qi Wei, Yu Wang, Huazhong Yang
So, in this paper, we propose a hardware-software collaborative attack framework to inject hidden neural network Trojans, which works as a back-door without requiring manipulating input images and is flexible for different scenarios.
no code implementations • 1 Dec 2017 • Kai Fan, Qi Wei, Wenlin Wang, Amit Chakraborty, Katherine Heller
We propose a new method that uses deep learning techniques to solve the inverse problems.
no code implementations • 18 Sep 2017 • Qi Wei, Emilie Chouzenoux, Jean-Yves Tourneret, Jean-Christophe Pesquet
This paper presents a fast approach for penalized least squares (LS) regression problems using a 2D Gaussian Markov random field (GMRF) prior.
no code implementations • NeurIPS 2017 • Qi Wei, Kai Fan, Lawrence Carin, Katherine A. Heller
For matrix inversion in the second sub-problem, we learn a convolutional neural network to approximate the matrix inversion, i. e., the inverse mapping is learned by feeding the input through the learned forward network.
no code implementations • 20 Sep 2016 • Vinicius Ferraris, Nicolas Dobigeon, Qi Wei, Marie Chabert
Change detection is one of the most challenging issues when analyzing remotely sensed images.
no code implementations • 20 Sep 2016 • Vinicius Ferraris, Nicolas Dobigeon, Qi Wei, Marie Chabert
To alleviate these issues, classical change detection methods are applied after independent preprocessing steps (e. g., resampling) used to get the same spatial and spectral resolutions for the pair of observed images.
no code implementations • 14 Apr 2016 • Qi Wei, Marcus Chen, Jean-Yves Tourneret, Simon Godsill
In the community of remote sensing, nonlinear mixing models have recently received particular attention in hyperspectral image processing.
no code implementations • 6 Apr 2016 • Qi Wei, Nicolas Dobigeon, Jean-Yves Tourneret, Jose Bioucas-Dias, Simon Godsill
This paper proposes a robust fast multi-band image fusion method to merge a high-spatial low-spectral resolution image and a low-spatial high-spectral resolution image.
no code implementations • 29 Mar 2016 • Qi Wei, Jose Bioucas-Dias, Nicolas Dobigeon, Jean-Yves Tourneret, Marcus Chen, Simon Godsill
The non-negativity and sum-to-one constraints resulting from the intrinsic physical properties of the abundances are introduced as prior information to regularize this ill-posed problem.
no code implementations • 1 Oct 2015 • Ningning Zhao, Qi Wei, Adrian Basarab, Nicolas Dobigeon, Denis Kouame, Jean-Yves Tourneret
Specifically, an analytical solution can be obtained and implemented efficiently for the Gaussian prior or any other regularization that can be formulated into an $\ell_2$-regularized quadratic model, i. e., an $\ell_2$-$\ell_2$ optimization problem.
no code implementations • 7 May 2015 • Qi Wei, Jose Bioucas-Dias, Nicolas Dobigeon, Jean-Yves Tourneret
This paper presents a fast spectral unmixing algorithm based on Dykstra's alternating projection.
no code implementations • 17 Apr 2015 • Laetitia Loncan, Luis B. Almeida, José M. Bioucas-Dias, Xavier Briottet, Jocelyn Chanussot, Nicolas Dobigeon, Sophie Fabre, Wenzhi Liao, Giorgio A. Licciardi, Miguel Simões, Jean-Yves Tourneret, Miguel A. Veganzones, Gemine Vivone, Qi Wei, Naoto Yokoya
In this work, we compare new pansharpening techniques designed for hyperspectral data with some of the state of the art methods for multispectral pansharpening, which have been adapted for hyperspectral data.
no code implementations • 10 Feb 2015 • Qi Wei, Nicolas Dobigeon, Jean-Yves Tourneret
This paper proposes a fast multi-band image fusion algorithm, which combines a high-spatial low-spectral resolution image and a low-spatial high-spectral resolution image.
no code implementations • 19 Sep 2014 • Qi Wei, José Bioucas-Dias, Nicolas Dobigeon, Jean-Yves Tourneret
This paper presents a variational based approach to fusing hyperspectral and multispectral images.
no code implementations • 11 Aug 2014 • Yi Li, Qi Wei, Fei Qiao, Huazhong Yang
In this paper, we propose an active circuit network to implement multi-scale Gaussian filter, which is also called Gaussian Pyramid in image preprocessing.
no code implementations • 23 Jul 2013 • Qi Wei, Nicolas Dobigeon, Jean-Yves Tourneret
In this paper, a Bayesian fusion technique for remotely sensed multi-band images is presented.