BAG-OF-WORDS

作品数:20被引量:97H指数:3
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相关作者:王誉天袁江涛刘鑫秦海权曹燚更多>>
相关机构:天津市公安局公安部第一研究所南京信息工程大学南京航空航天大学更多>>
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JudPriNet: Video transition detection based on semantic relationship and Monte Carlo sampling
《Intelligent and Converged Networks》2024年第2期134-146,共13页Bo Ma Jinsong Wu Wei Qi Yan 
Video understanding and content boundary detection are vital stages in video recommendation.However,previous content boundary detection methods require collecting information,including location,cast,action,and audio,a...
关键词:video scene detection Monte Carlo object detection Continuous Bag-of-Words 
An Intelligent Deep Neural Sentiment Classification Network
《Intelligent Automation & Soft Computing》2023年第5期1733-1744,共12页Umamaheswari Ramalingam Senthil Kumar Murugesan Karthikeyan Lakshmanan Chidhambararajan Balasubramaniyan 
A Deep Neural Sentiment Classification Network(DNSCN)is devel-oped in this work to classify the Twitter data unambiguously.It attempts to extract the negative and positive sentiments in the Twitter database.The main go...
关键词:Deep neural network word embeddings BAG-OF-WORDS sentiment analysis text classification 
基于多头注意力机制的BM-Linear信用贷款评估模型被引量:1
《系统管理学报》2023年第1期118-129,共12页赵雪峰 吴德林 吴伟伟 王世璇 龙森 
国家自然科学基金面上项目(72072047);黑龙江省哲学社会科学研究规划项目(19GLB087);教育部人文社会科学研究青年基金资助项目(20YJC630090);中央高校基本科研业务费专项资金资助项目(HIT.HSS.202139,HIT.HSS.202102);广东省基础与应用基础研究基金联合基金青年基金资助项目(2019A1515110955);深圳市基础研究专项(自然科学基金)面上项目(JCYJ20190806144607277)。
信贷评估模型可加快放贷效率、缩减放贷时间。利用Pytorch深度学习框架,组合Bag-of-Words及Bert中多头注意力机制得到BM-Linear评估模型,同时在引入多组信贷训练集的前提下,创造性地构建参数独立训练及参数共用训练的对比实验,探究BM-Li...
关键词:多头注意力机制 Bert BAG-OF-WORDS 信用贷款 深度学习 
QDCT Encoding-Based Retrieval for Encrypted JPEG Images
《Journal on Big Data》2020年第1期33-51,共19页Qiuju Ji Peipeng Yu Zhihua Xia 
This work is supported in part by the Jiangsu Basic Research Programs-Natural Science Foundation under grant numbers BK20181407;in part by the National Natural Science Foundation of China under grant numbers U1936118,61672294;in part by Six peak talent project of Jiangsu Province(R2016L13);Qinglan Project of Jiangsu Province,and“333”project of Jiangsu Province,in part by the National Natural Science Foundation of China under grant numbers U1836208,61702276,61772283,61602253,and 61601236;in part by National Key R\&D Program of China under grant 2018YFB1003205;in part by the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD)fund,in part by the Collaborative Innovation Center of Atmospheric Environment and Equipment Technology(CICAEET)fund,China.Zhihua Xia is supported by BK21+program from the Ministry of Education of Korea.
A privacy-preserving search model for JPEG images is proposed in paper,which uses the bag-of-encrypted-words based on QDCT(Quaternion Discrete Cosine Transform)encoding.The JPEG image is obtained by a series of steps ...
关键词:Image encryption image retrieval JPEG image QDCT BAG-OF-WORDS 
Improved Bag-of-Words Model for Person Re-identification被引量:2
《Tsinghua Science and Technology》2018年第2期145-156,共12页Lu Tian Shengjin Wang 
supported by the National Natural Science Foundation of China (No. 61071135);the National Science and Technology Support Program (No. 2013BAK02B04)
Person re-identification(person re-id) aims to match observations on pedestrians from different cameras.It is a challenging task in real word surveillance systems and draws extensive attention from the community.Most ...
关键词:person re-identification BAG-OF-WORDS unsupervised learning feature fusion 
Image Classification Based on the Fusion of Complementary Features被引量:3
《Journal of Beijing Institute of Technology》2017年第2期197-205,共9页Huilin Gao Wenjie Chen 
Supported by Foundation for Innovative Research Groups of the National Natural Science Foundation of China(61321002);Projects of Major International(Regional)Jiont Research Program NSFC(61120106010);Beijing Education Committee Cooperation Building Foundation Project;Program for Changjiang Scholars and Innovative Research Team in University(IRT1208)
Image classification based on bag-of-words(BOW)has a broad application prospect in pattern recognition field but the shortcomings such as single feature and low classification accuracy are apparent.To deal with this...
关键词:image classification complementary features bag-of-words (BOW) feature fusion 
Human Action Recognition Based on Dense Trajectories Analysis and Random Forest被引量:1
《Journal of Electronic Science and Technology》2016年第4期370-376,共7页Pin-Zhong Pan Chung-Lin Huang 
supported by the MOST,Taiwan under Grant No.102-2221-E-468-013
This paper presents a human action recognition method. It analyzes the spatio-temporal grids along the dense trajectories and generates the histogram of oriented gradients (HOG) and histogram of optical flow (HOF)...
关键词:Bag-of-words (BoWs) dense trajectories histogram of optical flow (HOF) histogram of oriented gradient (HOG) random forest vocabulary tree. 
基于SIFT-SVM的北冰洋海冰识别研究被引量:2
《电子技术与软件工程》2016年第24期92-95,共4页费旋珈 孔莹莹 
国家自然科学基金(No.61501228);江苏省自然科学基金(No.SBK2014043002)
本文提出以SIFT特征为海冰识别关键技术的复杂场景SAR图像海冰识别方法,首先从SAR图像中选取不同类别的图像作为样本集,提取图像的尺度不变特征,然后利用K-means聚类方法将样本特征集构建为构造一个包含K个词汇的词典,找到词典中与样本...
关键词:海冰识别 SIFT BAG-OF-WORDS 支持向量机 
微信公众平台的转基因新闻报道框架偏向性研究被引量:7
《情报科学》2016年第11期140-145,共6页褚建勋 纪娇娇 黄晟鹏 
国家自然科学基金项目(71573241)
转基因议题一直受到媒体与公众的广泛关注,近年来微信公众平台成为新闻消费重要的来源,微信公众平台的转基因新闻报道具有突出的研究价值。在大数据和信息爆炸的时代背景下,本文提出新闻议题框架研究的新思路,主要采用语义网络和bag-of-...
关键词:转基因议题 微信公众平台 框架理论 语义网络分析 bag-of-words模型 
基于图像Bag-of-Words模型的无载体信息隐藏被引量:47
《应用科学学报》2016年第5期527-536,共10页周志立 曹燚 孙星明 
国家自然科学基金(No.61602253;No.U1536206;No.61232016;No.U1405254;No.61373133;No.61502242);江苏省自然科学基金(No.BK20150925);南京信息工程大学引进人才启动资金(No.2014r024);江苏高校优势学科建设工程PAPD基金;大气环境与装备技术协同创新中心(CICAEET)基金资助
介绍一种基于bag-of-words(BOW)模型的无载体信息隐藏方法.该方法使用BOW模型提取图像的视觉关键词(visual words,VW)以表达待隐藏的文本信息,从而实现文本信息在图像中的隐藏.首先使用BOW模型提取图像集中每幅图像的VW,构建文本信息的...
关键词:无载体信息隐藏 BAG of words模型 视觉词汇 图像搜索 
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