2021 International Conference on Culture-oriented Science & Technology (ICCST)最新文献_第3页

Current Status and Prospects of Mobile AR Applications 移动AR应用的现状与展望

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00018

Yaxi Wang, Yuyang Wang, Zhen Fan

引用次数: 1

Neural Collaborative Filtering Recommendation Algorithm Based on Popularity Feature 基于人气特征的神经协同过滤推荐算法

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00073

Cheng Zhang, Chen Li

{"title":"Neural Collaborative Filtering Recommendation Algorithm Based on Popularity Feature","authors":"Cheng Zhang, Chen Li","doi":"10.1109/ICCST53801.2021.00073","DOIUrl":"https://doi.org/10.1109/ICCST53801.2021.00073","url":null,"abstract":"In the recommendation system, compared with the explicit feedback, implicit feedback has the characteristics of large quantity, easier tracking and easier access. Even in many practical application scenarios of the recommendation system, there is only implicit feedback without explicit feedback Based on implicit feedback to recommend there has been a problem, that is usually implicit feedback provides only reflect the noise signal of user preferences, because although the observed interactions at least reflect the user’s interest in the item, but not observed the interaction may be missing data, and is not necessarily negative samples, so it’s natural lack of negative feedback In this work, this paper improves the neural colla-borative filtering algorithm (NCF) by extracting the popularity characteristics as the basis for extracting negative samples from implicit feedback data. To a certain extent, it solves the problem that negative sampling introduces a lot of noise in previous work. At the same time, we found that the gradient vanishing in the training process when using the traditional loss function Binary Cross Entropy (BCE). In order to solve this problem, a new loss function, BCE-Max, was proposed in this paper. Based on the above improvements, we proposed a neural collaborative filtering recommendation algorithm (PNCF) based on popularity characteristics. By comparing the performance of PNCF, NCF, traditional collaborative filtering and some matrix factorization recommendation algorithms in the evaluation indexes such as HR@10, NDCG@10 and avg_popularity@10, we find that PNCF has certain advantages over these recommendation algorithms. Meanwhile, We found that compared with NCF, the experimental results of PNCF improved by about 1.2% and 2% onHR@10 and NDCG@10 respectively, and even improved by about 2% on HR@1 and NDCG@I.","PeriodicalId":222463,"journal":{"name":"2021 International Conference on Culture-oriented Science & Technology (ICCST)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124259166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An “embedded” access mode of copyright resources in knowledge aggregation service portal 知识聚合服务门户中版权资源的“嵌入式”访问模式

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00042

Li-juan Zhou, Xinran Zhao, Xiaoyan Fu, Zhao Wu, Baorui Mei, Gaoqing Nie

引用次数: 0

Space Transformation of Small-Cultural Service Complex Based on Finite State Machine 基于有限状态机的小型文化服务综合体空间转换

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00030

Kaidi Xiang, Hongjie Ni, Zhenye Liu, Dan Zhang

引用次数: 0

An Inverse Tone Mapping Algorithm Based on Multi-scale Dual-branch Network 一种基于多尺度双分支网络的逆色调映射算法

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00048

Tianyu Chen, Ping Shi

引用次数: 2

Evaluation of Height and Speed Effects on the Comfort of VR Motion Picture Display 高度和速度效应对VR电影显示舒适性的影响

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00095

Tianyi Cui, Yu Yang, Yunhai Guo

引用次数: 1

Research on Opinion Targets Extraction of Travel Reviews Based on RoBERTa Embedded BILSTM-CRF Model 基于RoBERTa嵌入式BILSTM-CRF模型的旅游评论意见目标提取研究

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00034

Zeyu Li, Tianhe Yu, Hao Shen

引用次数: 0

A Study of Delivery Route Optimization for Artistic Lighting Systems for Cultural Tourism in High-altitude Cold Areas at Night 高寒地区夜间文化旅游艺术照明系统配送路线优化研究

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00076

Tong-lu Li, Hanxi Wang

{"title":"A Study of Delivery Route Optimization for Artistic Lighting Systems for Cultural Tourism in High-altitude Cold Areas at Night","authors":"Tong-lu Li, Hanxi Wang","doi":"10.1109/ICCST53801.2021.00076","DOIUrl":"https://doi.org/10.1109/ICCST53801.2021.00076","url":null,"abstract":"The artistic lighting system for high-altitude cold areas is a set of intelligent night-lighting equipment that can be used for night tourism in high-altitude cold areas. In order to ensure the normal and stable delivery of artistic lighting systems to the actual high-altitude icy/snowy areas, methods such as theoretical research, experimental analysis, modeling, algorithm improvement, and case study are adopted to study the delivery of artistic lighting systems in high-altitude cold conditions. Based on the actual demand for the delivery of artistic lighting systems to high-altitude icy/snowy areas, the Fuzzy Time-Windows constraint is formulated; the objective functions for maximizing customer satisfaction with artistic light shows and minimizing the total cost of the delivery of lighting systems are designed; customer satisfaction with light shows is converted into a constraint and thus a single objective function is established. Based on the single objective function, a static initial model with time window constraints is constructed. The Shennongjia International Ski Resort in Hubei Province is selected for empirical analysis. Based on the static initial model and dynamic model constructed by using the genetic algorithms for nonlinear programming, three analyses are completed. According to the analyses, the cost of a single light show using the artistic lighting systems is relatively low, and as the places in need of lighting systems increase, the cost of artistic lighting systems will be increasingly lower than that of fixed light sources.","PeriodicalId":222463,"journal":{"name":"2021 International Conference on Culture-oriented Science & Technology (ICCST)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116351470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An Improved Robust Digital Image Watermarking Algorithm based on two-level DCT 一种改进的基于两级DCT的鲁棒数字图像水印算法

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00093

Huijuan Guo, Baoning Niu, Ying Huang, Hu Guan, Fangpeng Lan, Fei Lin

{"title":"An Improved Robust Digital Image Watermarking Algorithm based on two-level DCT","authors":"Huijuan Guo, Baoning Niu, Ying Huang, Hu Guan, Fangpeng Lan, Fei Lin","doi":"10.1109/ICCST53801.2021.00093","DOIUrl":"https://doi.org/10.1109/ICCST53801.2021.00093","url":null,"abstract":"This paper presents a novel image watermarking algorithm based on Discrete Cosine Transform (DCT). To imbed the watermark, we first divide the image into non-overlapping partition. Then, after applying DCT, named as one-level DCT, to the host images blocks, and DC coefficients of each block are extracted. Next, we perform DCT again, named as two-level DCT, on the matrix comprised of the selected DC coefficients of each image blocks. Finally, the watermark is embedded on the part of the coefficients after the two-level DCT. The host signal interference (HIS) is the persistent concern in the spread spectrum principle. This paper overcomes the drawback by substituting spread spectrum watermark (SSW) for the original values. However, in the traditional way, these original values are modified by adding with SSW. Moreover, fixed-number blocks for image segmentation plays an important role in resisting scaling attacks. Experimental results demonstrate that the proposed method is resilient to many kinds of image processing attacks and geometric distortions, such as filtering, noise adding, JPEG compression, scaling, aspect ratio change and some kinds of combined transforms.","PeriodicalId":222463,"journal":{"name":"2021 International Conference on Culture-oriented Science & Technology (ICCST)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125466071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

A Spread Spectrum Based Audio Watermarking Method with Embedding Positions Adaption Using Predominant Local Pulse Extraction 利用优势局部脉冲提取自适应嵌入位置的扩频音频水印方法

2021 International Conference on Culture-oriented Science & Technology (ICCST) Pub Date : 2021-11-01 DOI: 10.1109/ICCST53801.2021.00074

Wu Shiqiang, Huang Ying, Guan Hu, Zhang Shuwu, Liu Jie

引用次数: 1