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相关论文: AdaSample: Adaptive Sampling of Hard Positives for…

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Existing image-text matching approaches typically leverage triplet loss with online hard negatives to train the model. For each image or text anchor in a training mini-batch, the model is trained to distinguish between a positive and the…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Tianlang Chen , Jiajun Deng , Jiebo Luo

In this paper, we introduce AdaSelection, an adaptive sub-sampling method to identify the most informative sub-samples within each minibatch to speed up the training of large-scale deep learning models without sacrificing model performance.…

机器学习 · 计算机科学 2023-06-21 Minghe Zhang , Chaosheng Dong , Jinmiao Fu , Tianchen Zhou , Jia Liang , Jia Liu , Bo Liu , Michinari Momma , Bryan Wang , Yan Gao , Yi Sun

In this paper, we propose a robust sample generation scheme to construct informative triplets. The proposed hard sample generation is a two-stage synthesis framework that produces hard samples through effective positive and negative sample…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Chuang Zhu , Zheng Hu , Huihui Dong , Gang He , Zekuan Yu , Shangshang Zhang

Distance metric learning based on triplet loss has been applied with success in a wide range of applications such as face recognition, image retrieval, speaker change detection and recently recommendation with the CML model. However, as we…

信息检索 · 计算机科学 2019-09-25 Viet-Anh Tran , Romain Hennequin , Jimena Royo-Letelier , Manuel Moussallam

In the case of an imbalance between positive and negative samples, hard negative mining strategies have been shown to help models learn more subtle differences between positive and negative samples, thus improving recognition performance.…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Jiahan Zhang , Dayong Tian

Supervised deep learning requires a large amount of training samples with annotations (e.g. label class for classification task, pixel- or voxel-wised label map for segmentation tasks), which are expensive and time-consuming to obtain.…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Yuanhan Mo , Shuo Wang , Chengliang Dai , Rui Zhou , Zhongzhao Teng , Wenjia Bai , Yike Guo

Learning visual similarity requires to learn relations, typically between triplets of images. Albeit triplet approaches being powerful, their computational complexity mostly limits training to only a subset of all possible training…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Karsten Roth , Timo Milbich , Björn Ommer

To improve the performance of the dual-encoder retriever, one effective approach is knowledge distillation from the cross-encoder ranker. Existing works construct the candidate passages following the supervised learning setting where a…

计算与语言 · 计算机科学 2024-06-07 Chongyang Tao , Chang Liu , Tao Shen , Can Xu , Xiubo Geng , Binxing Jiao , Daxin Jiang

Local feature extraction remains an active research area due to the advances in fields such as SLAM, 3D reconstructions, or AR applications. The success in these applications relies on the performance of the feature detector and descriptor.…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Axel Barroso-Laguna , Yannick Verdie , Benjamin Busam , Krystian Mikolajczyk

Negative sampling methods are vital in implicit recommendation models as they allow us to obtain negative instances from massive unlabeled data. Most existing approaches focus on sampling hard negative samples in various ways. These studies…

信息检索 · 计算机科学 2023-11-08 Fuyuan Lyu , Yaochen Hu , Xing Tang , Yingxue Zhang , Ruiming Tang , Xue Liu

In recent years, the emergence of deep convolutional neural networks has positioned face recognition as a prominent research focus in computer vision. Traditional loss functions, such as margin-based, hard-sample mining-based, and hybrid…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Qiqi Guo , Zhuowen Zheng , Guanghua Yang , Zhiquan Liu , Xiaofan Li , Jianqing Li , Jinyu Tian , Xueyuan Gong

Variants of Triplet networks are robust entities for learning a discriminative embedding subspace. There exist different triplet mining approaches for selecting the most suitable training triplets. Some of these mining methods rely on the…

机器学习 · 统计学 2021-11-05 Milad Sikaroudi , Benyamin Ghojogh , Fakhri Karray , Mark Crowley , H. R. Tizhoosh

Active learning, which effectively collects informative unlabeled data for annotation, reduces the demand for labeled data. In this work, we propose to retrieve unlabeled samples with a local sensitivity and hardness-aware acquisition…

计算与语言 · 计算机科学 2022-09-27 Shujian Zhang , Chengyue Gong , Xingchao Liu , Pengcheng He , Weizhu Chen , Mingyuan Zhou

Triplet loss is a widely adopted loss function in ReID task which pulls the hardest positive pairs close and pushes the hardest negative pairs far away. However, the selected samples are not the hardest globally, but the hardest only in a…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Wen Li , Furong Xu , Jianan Zhao , Ruobing Zheng , Cheng Zou , Meng Wang , Yuan Cheng

Recently, learning from vast unlabeled data, especially self-supervised learning, has been emerging and attracted widespread attention. Self-supervised learning followed by the supervised fine-tuning on a few labeled examples can…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Wentao Zhu , Hang Shang , Tingxun Lv , Chao Liao , Sen Yang , Ji Liu

Effectively addressing the challenge of industrial Anomaly Detection (AD) necessitates an ample supply of defective samples, a constraint often hindered by their scarcity in industrial contexts. This paper introduces a novel algorithm…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Hanxi Li , Zhengxun Zhang , Hao Chen , Lin Wu , Bo Li , Deyin Liu , Mingwen Wang

Vulnerability detection is crucial for identifying security weaknesses in software systems. However, training effective machine learning models for this task is often constrained by the high cost and expertise required for data annotation.…

密码学与安全 · 计算机科学 2025-08-19 Xiang Lan , Tim Menzies , Bowen Xu

Deep metric learning aims to learn a deep embedding that can capture the semantic similarity of data points. Given the availability of massive training samples, deep metric learning is known to suffer from slow convergence due to a large…

机器学习 · 计算机科学 2019-12-05 Xinshao Wang , Yang Hua , Elyor Kodirov , Guosheng Hu , Neil M. Robertson

Deep neural networks are commonly trained using stochastic non-convex optimization procedures, which are driven by gradient information estimated on fractions (batches) of the dataset. While it is commonly accepted that batch size is an…

机器学习 · 计算机科学 2016-04-26 Ilya Loshchilov , Frank Hutter

Accurately modeling idiomatic or non-compositional language has been a longstanding challenge in Natural Language Processing (NLP). This is partly because these expressions do not derive their meanings solely from their constituent words,…

计算与语言 · 计算机科学 2024-09-06 Wei He , Marco Idiart , Carolina Scarton , Aline Villavicencio
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