Ipsj Digital Courier最新文献_第7页

Physical Model to Achieve Virtual Mezzotint 实现虚拟凹版的物理模型

Ipsj Digital Courier Pub Date : 2007-05-15 DOI: 10.2197/IPSJDC.3.244

Daisuke Tasaki, M. Katou, S. Mizuno, M. Okada

{"title":"Physical Model to Achieve Virtual Mezzotint","authors":"Daisuke Tasaki, M. Katou, S. Mizuno, M. Okada","doi":"10.2197/IPSJDC.3.244","DOIUrl":"https://doi.org/10.2197/IPSJDC.3.244","url":null,"abstract":"The authors propose a method of producing virtual mezzotint using a physics-based rendering approach. Mezzotint is a traditional copperplate printing technique. An important characteristic is its gradations from black to white. This is acquired in three phases during the plate-making process, i.e., by roughening, scraping, and burnishing. Numerous dots and burrs are created with a rocker in the roughening phase over the entire surface of the copper plate to obtain black areas in the print. The burrs are removed in the second phase with a scraper to yield halftones. The plate surface is finally polished with a burnisher in the last phase to produce the white areas. A method of simulating these phases and physical phenomena is discussed in this paper to make mezzotint enjoyable even for beginners and children. Zigzag-stroke patterns and paraboloidal-dot models are applied to the rocker to simulate the roughening phase. Reducing and smoothing models are applied to the scraper and burnisher to simulate the scraping and burnishing phases. The feasibility of the proposed method is demonstrated by observing and comparing actual and virtual plate surfaces with determined patterns and actual pieces of handcrafted work.","PeriodicalId":432390,"journal":{"name":"Ipsj Digital Courier","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126944154","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: 1

Retrieving functionally similar bioinformatics workflows using TF-IDF filtering 使用TF-IDF过滤检索功能相似的生物信息学工作流程

Ipsj Digital Courier Pub Date : 2007-04-15 DOI: 10.2197/IPSJDC.3.164

Junya Seo, S. Seno, Y. Takenaka, H. Matsuda

引用次数: 0

GroupAdaBoost: Accurate Prediction and Selection of Important Genes GroupAdaBoost:准确预测和选择重要基因

Ipsj Digital Courier Pub Date : 2007-04-15 DOI: 10.2197/IPSJDC.3.145

Takashi Takenouchi, M. Ushijima, S. Eguchi

引用次数: 4

Duality between Call-by-value Reductions and Call-by-name Reductions 按值调用约简和按名称调用约简之间的对偶性

Ipsj Digital Courier Pub Date : 2007-04-15 DOI: 10.2197/IPSJDC.3.207

D. Kimura

{"title":"Duality between Call-by-value Reductions and Call-by-name Reductions","authors":"D. Kimura","doi":"10.2197/IPSJDC.3.207","DOIUrl":"https://doi.org/10.2197/IPSJDC.3.207","url":null,"abstract":"Wadler proposed the dual calculus, which corresponds to classical sequent calculus LK, and studied the relationship between the λμ-calculus and the dual calculus as equational systems to explain the duality between call-by-value and call-by-name in a purely syntactical way. Wadler left an open question whether one can obtain similar results by replacing the equations with reductions. This paper gives one answer to his question. We first refine the λμ-calculus as reduction systems by reformulating sum types and omitting problematic reduction rules that are not simulated by reductions of the dual calculus. Secondly, we give translations between the call-by-name λμ-calculus and the call-by-name dual calculus, and show that they preserve the call-by-name reductions. We also show that the compositions of these translations become identity maps up to the call-by-name reductions. We also give translations for the call-by-value systems, and show that they satisfy properties similar to the call-by-name translations. Thirdly, we introduce translations between the call-by-value λμ-calculus and the call-by-name one by composing the above translations with duality on the dual calculus. We finally obtain results corresponding to Wadler's, but our results are based on reductions.","PeriodicalId":432390,"journal":{"name":"Ipsj Digital Courier","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122278508","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: 3

A Multi-Resolution Grid Snapping Technique Based on Fuzzy Theory 基于模糊理论的多分辨率网格捕获技术

Ipsj Digital Courier Pub Date : 2007-04-15 DOI: 10.2197/IPSJDC.3.198

Qamar Uddin Khand, Sumudu Dematapitiya, S. Saga, J. Maeda

引用次数: 3

Hardness Results on Local Multiple Alignment of Biological Sequences 生物序列局部多重比对的硬度结果

Ipsj Digital Courier Pub Date : 2007-04-15 DOI: 10.2197/IPSJDC.3.174

T. Akutsu, Hiroki Arimura, S. Shimozono

引用次数: 4

Function Approximation Approach to the Inference of Neural Network Models of Genetic Networks 遗传网络神经网络模型推理的函数逼近方法

Ipsj Digital Courier Pub Date : 2007-04-15 DOI: 10.2197/IPSJDC.3.153

Shuhei Kimura, Katsuki Sonoda, S. Yamane, Koki Matsumura, M. Hatakeyama

引用次数: 6

A biclustering method for gene expression module discovery using a closed itemset enumeration algorithm 基于封闭项集枚举算法的基因表达模块发现的双聚类方法

Ipsj Digital Courier Pub Date : 2007-04-15 DOI: 10.2197/IPSJDC.3.183

Yoshifumi Okada, W. Fujibuchi, P. Horton

{"title":"A biclustering method for gene expression module discovery using a closed itemset enumeration algorithm","authors":"Yoshifumi Okada, W. Fujibuchi, P. Horton","doi":"10.2197/IPSJDC.3.183","DOIUrl":"https://doi.org/10.2197/IPSJDC.3.183","url":null,"abstract":"A gene expression module (module for short) is a set of genes with shared expression behavior under certain experimental conditions. Discovering of modules enables us to uncover the function of uncharacterized genes or genetic networks. In recent years, several biclustering methods have been suggested to discover modules from gene expression data matrices, where a bicluster is defined as a subset of genes that exhibit a highly correlated expression pattern over a subset of conditions. Biclustering however involves combinatorial optimization in selecting the rows and columns composing modules. Hence most existing algorithms are based on heuristic or stochastic approaches and produce possibly sub-optimal solutions. In this paper, we propose a novel biclustering method, BiModule, based on a closed itemset enumeration algorithm. By exhaustive enumeration of such biclusters, it is possible to select only biclusters satisfying certain criteria such as a user-specified bicluster size, an enrichment of functional annotation terms, etc. We performed comparative experiments to existing salient biclustering methods to test the validity of biclusters extracted by BiModule using synthetic data and real expression data. We show that BiModule provides high performance compared to the other methods in extracting artificially-embedded modules as well as modules strongly related to GO annotations, protein-protein interactions and metabolic pathways.","PeriodicalId":432390,"journal":{"name":"Ipsj Digital Courier","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116580540","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: 28

Estimating Interruptibility in the Home for Remote Communication Based on Audio-Visual Tracking 基于视听跟踪的家庭远程通信可中断性评估

Ipsj Digital Courier Pub Date : 2007-03-15 DOI: 10.2197/IPSJDC.3.125

Y. Takemae, Takehiko Ohno, I. Yoda, S. Ozawa

引用次数: 2

Drumix: An Audio Player with Real-time Drum-part Rearrangement Functions for Active Music Listening Drumix:一个音频播放器，具有实时鼓部分重排功能，用于主动音乐收听

Ipsj Digital Courier Pub Date : 2007-03-15 DOI: 10.2197/IPSJDC.3.134

Kazuyoshi Yoshii, Masataka Goto, Kazunori Komatani, T. Ogata, HIroshi G. Okuno

{"title":"Drumix: An Audio Player with Real-time Drum-part Rearrangement Functions for Active Music Listening","authors":"Kazuyoshi Yoshii, Masataka Goto, Kazunori Komatani, T. Ogata, HIroshi G. Okuno","doi":"10.2197/IPSJDC.3.134","DOIUrl":"https://doi.org/10.2197/IPSJDC.3.134","url":null,"abstract":"This paper presents a highly functional audio player, called Drumix, that allows a listener to control the volume, timbre, and rhythmic patterns (drum patterns)of bass and snare drums within existing audio recordings in real time. A demand for active music listening has recently emerged. If the drum parts of popular songs could be manipulated, listeners could have new musical experiences by freely changing their impressions of the pieces (e.g., making the drum performance more energetic)instead of passively listening to them. To achieve this, Drumix provides three functions for rearranging drum parts, i.e., a volume control function that enables users to cut or boost the volume of each drum with a drum-specific volume slider, a timbre change function that allows them to replace the original timbre of each drum with another selected from a drop-down list, and a drum-pattern editing function that enables them to edit repetitive patterns of drum onsets on a graphical representation of their scores. Special musical skills are not required to use these functions. Subjective experiments revealed that Drumix could add a new dimension to the way listeners experience music.","PeriodicalId":432390,"journal":{"name":"Ipsj Digital Courier","volume":"5 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120983890","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: 31