Generation of Moire-Picture-Like Color Images by Bilateral Filter. - Toru Hiraoka; Kiichi Urahama (IEICE Trans. Inf. Syst., 2013)

Generation of Oil-Film-Like Images by Bilateral Infra-Envelope Filter. - Toru Hiraoka; Kiichi Urahama (IEICE Trans. Inf. Syst., 2016)

Community Detection and Growth Potential Prediction Using the Stochastic Block Model and the Long Short-term Memory from Patent Citation Networks. - Kensei Nakai; Hirofumi Nonaka; Asahi Hentona; Yuki Kanai; Takeshi Sakumoto; Shotaro Kataoka; Elisa Claire Alemán Carreón; Toru Hiraoka (IEEM, 2018)

Causal relationship between eWOM topics and profit of rural tourism at Japanese roadside stations "MICHINOEKI". - Elisa Claire Alemán Carreón; Tetsuro Ito; Hirofumi Nonaka; Minoru Kumano; Toru Hiraoka; Masaharu Hirota (MEDES, 2018)

Community detection and growth potential prediction from patent citation networks. - Asahi Hentona; Hirofumi Nonaka; Kensei Nakai; Takeshi Sakumoto; Shotaro Kataoka; Elisa Claire Alemán Carreón; Hugo Alberto Mendoza España; Toru Hiraoka; Masaharu Hirota (MEDES, 2018)

Development of an Entropy-Based Feature Selection Method and Analysis of Online Reviews on Real Estate. - Hiroki Horino; Hirofumi Nonaka; Elisa Claire Alemán Carreón; Toru Hiraoka (CoRR, 2019)

Topic Classification Method for Analyzing Effect of eWOM on Consumer Game Sales. - Yoshiki Horii; Hirofumi Nonaka; Elisa Claire Alemán Carreón; Hiroki Horino; Toru Hiraoka (CoRR, 2019)

Analysis of Chinese Tourists in Japan by Text Mining of a Hotel Portal Site. - Elisa Claire Alemán Carreón; Hirofumi Nonaka; Toru Hiraoka (CoRR, 2019)

Emotional Contribution Analysis of Online Reviews. - Elisa Claire Alemán Carreón; Hirofumi Nonaka; Toru Hiraoka; Minoru Kumano; Takao Ito; Masaharu Hirota (CoRR, 2019)

Acceleration Using Upper and Lower Smoothing Filters for Generating Oil-Film-Like Images. - Toru Hiraoka; Kiichi Urahama (IEICE Trans. Inf. Syst., 2019)

A High-Speed Method for Generating Edge-Preserving Bubble Images. - Toru Hiraoka (IEICE Trans. Inf. Syst., 2020)

Generation of Checkered Pattern Images by Iterative Calculation Using Prewitt Filter with Expanded Window Size. - Toru Hiraoka (IEICE Trans. Inf. Syst., 2020)

Generation of Arbitrarily-Oriented Ripple Images using Circular-Sector-Type Smoothing Filter and Inverse Filter. - Toru Hiraoka (J. Robotics Netw. Artif. Life, 2020)

Relation Analysis between Hotel Review Rating Scores and Sentiment Analysis of Reviews by Chinese Tourists Visiting Japan. - Elisa Claire Alemán Carreón; Hirofumi Nonaka; Toru Hiraoka (CoRR, 2021)

Differences in Chinese and Western tourists faced with Japanese hospitality: a natural language processing approach. - Elisa Claire Alemán Carreón; Hugo Alberto Mendoza España; Hirofumi Nonaka; Toru Hiraoka (J. Inf. Technol. Tour., 2021)

Generation of Cell-Like Images Using Euclidean Distance from Edge. - Toru Hiraoka; Kohei Maeda (J. Robotics Netw. Artif. Life, 2021)

Generation of Reaction-Diffusion-Pattern-Like Images with Partially Variable Size. - Toru Hiraoka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

A Method to Improve the Quality of Point-Light-Style Images Using Peripheral Difference Filters with Different Window Sizes. - Toru Hiraoka; Kanya Goto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)