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Prohibited item detection based on X-ray images is one of the most effective security inspection methods. However, the foreground-background feature coupling caused by the overlapping phenomenon specific to X-ray images makes general…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Mingyuan Li , Tong Jia , Hao Wang , Bowen Ma , Hui Lu , Shiyi Guo , Da Cai , Dongyue Chen

Partial label learning (PLL) is a significant weakly supervised learning framework, where each training example corresponds to a set of candidate labels and only one label is the ground-truth label. For the first time, this paper…

机器学习 · 计算机科学 2025-05-07 Yutong Xie , Fuchao Yang , Yuheng Jia

Contrastive learning (CL) has recently been demonstrated critical in improving recommendation performance. The underlying principle of CL-based recommendation models is to ensure the consistency between representations derived from…

信息检索 · 计算机科学 2023-06-21 Junliang Yu , Xin Xia , Tong Chen , Lizhen Cui , Nguyen Quoc Viet Hung , Hongzhi Yin

The stochastic block model (SBM) is a mixture model used for the clustering of nodes in networks. It has now been employed for more than a decade to analyze very different types of networks in many scientific fields such as Biology and…

统计方法学 · 统计学 2014-05-12 E. Côme , P. Latouche

For e-commerce companies with large product selections, the organization and grouping of products in meaningful ways is important for creating great customer shopping experiences and cultivating an authoritative brand image. One important…

人工智能 · 计算机科学 2021-04-13 Rebecca West , Khalifeh Al Jadda , Unaiza Ahsan , Huiming Qu , Xiquan Cui

Clustering is a well-known unsupervised machine learning approach capable of automatically grouping discrete sets of instances with similar characteristics. Constrained clustering is a semi-supervised extension to this process that can be…

Recently, e-learning platforms have grown as a place where students can post doubts (as a snap taken with smart phones) and get them resolved in minutes. However, the significant increase in the number of student-posted doubts with high…

机器学习 · 计算机科学 2022-08-23 Vedant Sandeep Joshi , Sivanagaraja Tatinati , Yubo Wang

Natural language inference (NLI) is an increasingly important task for natural language understanding, which requires one to infer the relationship between the sentence pair (premise and hypothesis). Many recent works have used contrastive…

计算与语言 · 计算机科学 2022-05-02 Shu'ang Li , Xuming Hu , Li Lin , Lijie Wen

This work considers supervised contrastive learning for semantic segmentation. We apply contrastive learning to enhance the discriminative power of the multi-scale features extracted by semantic segmentation networks. Our key methodological…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Theodoros Pissas , Claudio S. Ravasio , Lyndon Da Cruz , Christos Bergeles

The top-k recommendation is a fundamental task in recommendation systems which is generally learned by comparing positive and negative pairs. The Contrastive Loss (CL) is the key in contrastive learning that has received more attention…

信息检索 · 计算机科学 2021-09-02 Hao Tang , Guoshuai Zhao , Yuxia Wu , Xueming Qian

To extract robust deep representations from long sequential modeling of speech data, we propose a self-supervised learning approach, namely Contrastive Separative Coding (CSC). Our key finding is to learn such representations by separating…

音频与语音处理 · 电气工程与系统科学 2021-03-02 Jun Wang , Max W. Y. Lam , Dan Su , Dong Yu

Entity Resolution, also called record linkage or deduplication, refers to the process of identifying and merging duplicate versions of the same entity into a unified representation. The standard practice is to use a Rule based or Machine…

人工智能 · 计算机科学 2016-09-22 Janani Balaji , Faizan Javed , Mayank Kejriwal , Chris Min , Sam Sander , Ozgur Ozturk

Cross-modal alignment is essential for vision-language pre-training (VLP) models to learn the correct corresponding information across different modalities. For this purpose, inspired by the success of masked language modeling (MLM) tasks…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yatai Ji , Rongcheng Tu , Jie Jiang , Weijie Kong , Chengfei Cai , Wenzhe Zhao , Hongfa Wang , Yujiu Yang , Wei Liu

We propose a novel structured discriminative block-diagonal dictionary learning method, referred to as scalable Locality-Constrained Projective Dictionary Learning (LC-PDL), for efficient representation and classification. To improve the…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Zhao Zhang , Weiming Jiang , Zheng Zhang , Sheng Li , Guangcan Liu , Jie Qin

Continual Learning (CL) investigates how to train Deep Networks on a stream of tasks without incurring forgetting. CL settings proposed in literature assume that every incoming example is paired with ground-truth annotations. However, this…

Accurately modeling users' evolving preferences from sequential interactions remains a central challenge in recommender systems. Recent studies emphasize the importance of capturing multiple latent intents underlying user behaviors.…

信息检索 · 计算机科学 2026-04-21 Shanfan Zhang , Yongyi Lin , Yuan Rao

Partial label learning (PLL) aims to solve the problem where each training instance is associated with a set of candidate labels, one of which is the correct label. Most PLL algorithms try to disambiguate the candidate label set, by either…

机器学习 · 计算机科学 2018-05-09 Gengyu Lyu , Songhe Feng , Congyang Lang

Recommender systems usually rely on observed user interaction data to build personalized recommendation models, assuming that the observed data reflect user interest. However, user interacting with an item may also due to conformity, the…

信息检索 · 计算机科学 2023-02-09 Weiqi Zhao , Dian Tang , Xin Chen , Dawei Lv , Daoli Ou , Biao Li , Peng Jiang , Kun Gai

Detectingandsegmentingobjectswithinwholeslideimagesis essential in computational pathology workflow. Self-supervised learning (SSL) is appealing to such annotation-heavy tasks. Despite the extensive benchmarks in natural images for dense…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Jiawei Yang , Hanbo Chen , Yuan Liang , Junzhou Huang , Lei He , Jianhua Yao

Product embeddings have been heavily investigated in the past few years, serving as the cornerstone for a broad range of machine learning applications in e-commerce. Despite the empirical success of product embeddings, little is known on…

机器学习 · 计算机科学 2021-02-25 Da Xu , Chuanwei Ruan , Evren Korpeoglu , Sushant Kumar , Kannan Achan
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