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Interactive screening of learning issues via eye-tracking technology 通过眼动追踪技术对学习问题进行互动筛选
2016 13th Learning and Technology Conference (L&T) Pub Date : 2016-04-10 DOI: 10.1109/LT.2016.7562858
S. Paracha, Toshiro Takahara, Ayaka Inoue
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引用次数: 6
Stochastic local search combined with LSB technique for image steganography 结合LSB技术的随机局部搜索图像隐写
2016 13th Learning and Technology Conference (L&T) Pub Date : 2016-04-10 DOI: 10.1109/LT.2016.7562863
D. Boughaci, Abdelhafid Kemouche, Hocine Lachibi
{"title":"Stochastic local search combined with LSB technique for image steganography","authors":"D. Boughaci, Abdelhafid Kemouche, Hocine Lachibi","doi":"10.1109/LT.2016.7562863","DOIUrl":"https://doi.org/10.1109/LT.2016.7562863","url":null,"abstract":"In this paper, we propose a steganography technique to hide a message in an image. The proposed technique combines the stochastic local search meta-heuristic (SLS) with the least significant bits method (LSB). First, we developed the basic technique of LSB to hide information in JPEG images. We found that LSB steganography method is not effective because the size of the image increases greatly after inserting information which facilitates the discovery of hidden information. In order to improve the performance, we added a meta-heuristic approach to LSB technique. We hybridized local search (LS) with LSB. Then we improved LSB by combining it with a stochastic local search (SLS). The three methods LSB, LSB + LS and LSB+ SLS are implemented and evaluated on some series of JPEG images. We decomposed the image and the secret message in 4-bits blocks. Then by applying the principle of each method, we are able to insert the secret message in the images. A key is generated and encrypted with the AES algorithm. The numerical results are interesting and demonstrate the benefits of our proposed method.","PeriodicalId":194801,"journal":{"name":"2016 13th Learning and Technology Conference (L&T)","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116606392","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: 7
The use of augmented reality enhanced flashcards for arabic vocabulary acquisition 使用增强现实增强的阿拉伯语词汇学习抽认卡
2016 13th Learning and Technology Conference (L&T) Pub Date : 2016-04-10 DOI: 10.1109/LT.2016.7562857
Nurkhamimi Zainuddin, Rozhan Idrus
{"title":"The use of augmented reality enhanced flashcards for arabic vocabulary acquisition","authors":"Nurkhamimi Zainuddin, Rozhan Idrus","doi":"10.1109/LT.2016.7562857","DOIUrl":"https://doi.org/10.1109/LT.2016.7562857","url":null,"abstract":"This study describes the development process of an augmented reality (AR) enhanced flashcards for non-native students of Universiti Sains Islam Malaysia (USIM) students to enhance their knowledge and memorization of basic Arabic Vocabulary. An application namely Aurasma was used in the development process. This study was conducted with 20 elementary-level students in USIM by observing their response and their understanding in using the AR enhanced flashcards for Arabic vocabulary acquisition. Findings indicated that AR enhanced flashcards help in scaffolding the knowledge of students regarding the Arabic vocabulary acquisition. Furthermore, from the data collected through the questionnaires, the researchers found that the process of learning is being much easier with the help of the AR enhanced flashcards. The augmented reality considered as one of the platform that can be used to help the students in memorizing certain information and maintained their knowledge of Arabic vocabulary. In addition, students created novel sentences using the target vocabulary words more than half of the time.","PeriodicalId":194801,"journal":{"name":"2016 13th Learning and Technology Conference (L&T)","volume":"2 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128732011","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: 7
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