データ科学総合研究教育センター

研究成果

年別の研究成果 1999 2019 2020 2021 2022 2023

• 49 Article
• 37 Conference contribution
• 2 Review article
• 1 Chapter

年別の研究成果

年別の研究成果

検索結果

• 2023

  Asymptotic Evaluation of Classification in the Presence of Label Noise

  Yasuda, G., Suko, T., Kobayashi, M. & Matsushima, T., 2023 3月, In: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E106A, 3, p. 422-430 9 p.

  研究成果: Article › 査読

  Open Access

  • Labels 100%
  • Evaluation 85%
  • Performance 69%
  • Expectation Maximization 52%
  • Performance Evaluation 52%

• In-process feedback by detecting deadlock based on EEG data in exercise of learning by problem-posing and its evaluation

  Yamamoto, S., Tobe, Y., Tawatsuji, Y. & Hirashima, T., 2023 2月 28, In: Research and Practice in Technology Enhanced Learning. 18, 28.

  研究成果: Article › 査読

  Open Access

  • Deadlock 100%
  • Exercise 57%
  • Learning 53%
  • Feedback 45%
  • Evaluation 38%

• Performance Evaluation of Error-Correcting Output Coding Based on Noisy and Noiseless Binary Classifiers

  Kumoi, G., Yagi, H., Kobayashi, M., Goto, M. & Hirasawa, S., 2023 2月 1, In: International Journal of Neural Systems. 33, 2, 2350004.

  研究成果: Article › 査読

  Open Access

  • Classifiers 100%
  • Hamming distance 16%

• Proposal of a Recommended Correspondence Method for Companies and Organizations in Case of Partial Rupture of the Nankai Trough Earthquake

  Maruya, H., Torayashiki, T., Sasaki, H. & Imamura, F., 2023 4月 1, In: Journal of Disaster Research. 18, 3, p. 217-232 16 p.

  研究成果: Article › 査読

  Open Access

  • Earthquakes 100%
  • Tsunamis 76%
  • Industry 50%

• Shallow- and deep-ocean Fe cycling and redox evolution across the Pliensbachian–Toarcian boundary and Toarcian Oceanic Anoxic Event in Panthalassa

  Chen, W., Kemp, D. B., He, T., Newton, R. J., Xiong, Y., Jenkyns, H. C., Izumi, K., Cho, T., Huang, C. & Poulton, S. W., 2023 1月 15, In: Earth and Planetary Science Letters. 602, 117959.

  研究成果: Article › 査読

  • Toarcian 100%
  • Trace Metal 86%
  • oceans 83%
  • open ocean 79%
  • Pliensbachian 71%
• 2022

  A robust chemical weathering index for sediments containing authigenic and biogenic materials

  Cho, T. & Ohta, T., 2022 12月 15, In: Palaeogeography, Palaeoclimatology, Palaeoecology. 608, 111288.

  研究成果: Article › 査読

  Open Access

  • biogenic material 100%
  • weathering 80%
  • chemical weathering 76%
  • sediments 61%
  • index 33%

• Bell Numbers in Matsunaga’s and Arima’s Genjikō Combinatorics: Modern Perspectives and Local Limit Theorems

  Dou, X., Hwang, H. K. & Li, C. Y., 2022, In: Electronic Journal of Combinatorics. 29, 2, P2.2.

  研究成果: Article › 査読

  Open Access

  • Bell numbers 100%
  • Local Limit Theorem 94%
  • Combinatorics 67%
  • History 31%
  • Asymptotic distribution 30%

• Computational markers of experience- but not description-based decision-making are associated with future depressive symptoms in young adults

  Chen, C., Mochizuki, Y., Hagiwara, K., Hirotsu, M., Matsubara, T. & Nakagawa, S., 2022 10月, In: Journal of Psychiatric Research. 154, p. 307-314 8 p.

  研究成果: Article › 査読

  • Decision Making 100%
  • Young Adult 98%
  • Depression 79%
  • Reward 35%
  • Gambling 15%

• Constructing a Model for Estimating Learners’ Mental States Using Biometric Information and Reducing Labeling Costs Using Deep Learning

  Furusawa, Y., Tawatsuji, Y. & Matsui, T., 2022, In: Transactions of the Japanese Society for Artificial Intelligence. 37, 2, p. C-L66_1-C-L66_10

  研究成果: Article › 査読

  Open Access

  • Biometrics 100%
  • Labeling 98%
  • Deep learning 90%
  • Costs 38%
  • Teaching 29%

• Construction Methods for Error Correcting Output Codes Using Constructive Coding and Their System Evaluations

  Hirasawa, S., Kumoi, G., Yagi, H., Kobayashi, M., Goto, M. & Inazumi, H., 2022, 2022 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 3053-3059 7 p. (Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics; vol. 2022-October).

  研究成果: Conference contribution

  • Hadamard matrices 100%
  • Classifiers 44%
  • Experiments 22%

• Deep-ocean anoxia across the Pliensbachian-Toarcian boundary and the Toarcian Oceanic Anoxic Event in the Panthalassic Ocean

  Kemp, D. B., Chen, W., Cho, T., Algeo, T. J., Shen, J. & Ikeda, M., 2022 5月, In: Global and Planetary Change. 212, 103782.

  研究成果: Article › 査読

  • Pliensbachian 100%
  • Toarcian 93%
  • anoxia 84%
  • ocean 41%
  • organic carbon 22%

• Effect of Hamming Distance on Performance of ECOC with Estimated Binary Classifiers

  Kumoi, G., Yagi, H., Kobayashi, M. & Hirasawa, S., 2022, 2022 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 111-116 6 p. (Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics; vol. 2022-October).

  研究成果: Conference contribution

  • Hamming distance 100%
  • Classifiers 55%
  1 被引用数 (Scopus)

• Formulation of Mindfulness States as a Network Optimization Problem and an Attempt to Identify Key Brain Pathways Using Digital Annealer

  Nakamura, H., Tawatsuji, Y., Matsui, T., Nakamura, M., Kimura, K. & Fujisawa, H., 2022 11月, In: IEICE Transactions on Information and Systems. E105D, 11, p. 1969-1983 15 p.

  研究成果: Article › 査読

  Open Access

  • Brain 100%
  • Combinatorial optimization 14%
  • Chemical activation 12%
  • Flow rate 10%

• Increased Terrigenous Supply to the Pelagic Panthalassa Superocean Across the Carnian Pluvial Episode: A Possible Link With Extensive Aridification in the Pangean Interior

  Cho, T., Ikeda, M. & Ohta, T., 2022 6月 24, In: Frontiers in Earth Science. 10, 897396.

  研究成果: Article › 査読

  Open Access

  • aridification 100%
  • Carnian 96%
  • abyssal plain 23%
  • chert 19%
  • deep sea 17%
  1 被引用数 (Scopus)

• Learning and Estimation of Latent Structural Models Based on between-Data Metrics

  Mikawa, K., Kobayashi, M., Goto, M. & Hirasawa, S., 2022, 2022 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 3113-3118 6 p. (Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics; vol. 2022-October).

  研究成果: Conference contribution

  • Parameter estimation 100%
  • Information technology 95%
  • Experiments 38%

• Major sulfur cycle perturbations in the Panthalassic Ocean across the Pliensbachian-Toarcian boundary and the Toarcian Oceanic Anoxic Event

  Chen, W., Kemp, D. B., Newton, R. J., He, T., Huang, C., Cho, T. & Izumi, K., 2022 8月, In: Global and Planetary Change. 215, 103884.

  研究成果: Article › 査読

  • Pliensbachian 100%
  • sulfur cycle 96%
  • Toarcian 93%
  • pyrite 63%
  • perturbation 56%

• Performance Evaluation of ECOC Considering Estimated Probability of Binary Classifiers

  Kumoi, G., Yagi, H., Kobayashi, M., Goto, M. & Hirasawa, S., 2022, Information Systems and Technologies - WorldCIST 2022. Rocha, A., Adeli, H., Dzemyda, G. & Moreira, F. (eds.). Springer Science and Business Media Deutschland GmbH, p. 379-389 11 p. (Lecture Notes in Networks and Systems; vol. 469 LNNS).

  研究成果: Conference contribution

  • Classifiers 100%
  1 被引用数 (Scopus)

• Probability Distribution on Full Rooted Trees

  Nakahara, Y., Saito, S., Kamatsuka, A. & Matsushima, T., 2022 3月, In: Entropy. 24, 3, 328.

  研究成果: Article › 査読

  Open Access

  • Rooted Trees 100%
  • Probability distributions 82%
  • Probability Distribution 71%
  • Model Selection 43%
  • Posterior distribution 43%
  3 被引用数 (Scopus)

• Probability Distribution on Rooted Trees

  Nakahara, Y., Saito, S., Kamatsuka, A. & Matsushima, T., 2022, 2022 IEEE International Symposium on Information Theory, ISIT 2022. Institute of Electrical and Electronics Engineers Inc., p. 174-179 6 p. (IEEE International Symposium on Information Theory - Proceedings; vol. 2022-June).

  研究成果: Conference contribution

  • Rooted Trees 100%
  • Probability distributions 82%
  • Probability Distribution 71%
  • Overfitting 39%
  • Recursive Method 37%
  1 被引用数 (Scopus)

• Relationship Between Intrinsic Randomness with f-Divergence and Fixed-Length Source Coding

  Nomura, R., 2022, 2022 IEEE International Symposium on Information Theory, ISIT 2022. Institute of Electrical and Electronics Engineers Inc., p. 228-233 6 p. (IEEE International Symposium on Information Theory - Proceedings; vol. 2022-June).

  研究成果: Conference contribution

  • Random number generation 100%
  • Source Coding 89%
  • F-divergence 87%
  • Kullback-Leibler Divergence 41%
  • Relationships 39%

• Research Results on System Development of the Research Project of a Self-Study System for Language Learning

  Umezawa, K., Nakazawa, M., Kobayashi, M., Ishii, Y., Nakano, M. & Hirasawa, S., 2022, EDUNINE 2022 - 6th IEEE World Engineering Education Conference: Rethinking Engineering Education After COVID-19: A Path to the New Normal, Proceedings. Brito, C. D. R. & Ciampi, M. M. (eds.). Institute of Electrical and Electronics Engineers Inc., (EDUNINE 2022 - 6th IEEE World Engineering Education Conference: Rethinking Engineering Education After COVID-19: A Path to the New Normal, Proceedings).

  研究成果: Conference contribution

  • self-study 100%
  • system development 97%
  • Electroencephalography 83%
  • research results 81%
  • Brain 72%
  2 被引用数 (Scopus)

• Stochastic Model of Block Segmentation Based on Improper Quadtree and Optimal Code under the Bayes Criterion

  Nakahara, Y. & Matsushima, T., 2022, Proceedings - DCC 2022: 2022 Data Compression Conference. Bilgin, A., Marcellin, M. W., Serra-Sagrista, J. & Storer, J. A. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 153-162 10 p. (Data Compression Conference Proceedings; vol. 2022-March).

  研究成果: Conference contribution

  • Stochastic models 100%
  • Pixels 68%
  • Image compression 46%
  • Redundancy 38%
  • Polynomials 35%
  1 被引用数 (Scopus)

• Stochastic Model of Block Segmentation Based on Improper Quadtree and Optimal Code under the Bayes Criterion †

  Nakahara, Y. & Matsushima, T., 2022 8月, In: Entropy. 24, 8, 1152.

  研究成果: Article › 査読

  Open Access

  • Quadtree 100%
  • Optimal Codes 88%
  • Pixel 81%
  • Segmentation 81%
  • Stochastic models 73%

• Superelasticity of a photo-actuating chiral salicylideneamine crystal

  Taniguchi, T., Ishizaki, K., Takagi, D., Nishimura, K., Shigemune, H., Kuramochi, M., Sasaki, Y. C., Koshima, H. & Asahi, T., 2022 12月, In: Communications Chemistry. 5, 1, 4.

  研究成果: Article › 査読

  Open Access

  • Photoisomerization 100%
  • Phase transitions 77%
  • Crystals 73%
  • Phase Transition 63%
  • phase transition 53%
  1 被引用数 (Scopus)

• The effect of positive autobiographical memory retrieval on decision-making under risk: A computational model-based analysis

  Shimizu, N., Mochizuki, Y., Chen, C., Hagiwara, K., Matsumoto, K., Oda, Y., Hirotsu, M., Okabe, E., Matsubara, T. & Nakagawa, S., 2022 9月 6, In: Frontiers in Psychiatry. 13, 930466.

  研究成果: Article › 査読

  Open Access

  • Episodic Memory 100%
  • Decision Making 72%
  • Mental Disorders 26%
  • Memory 24%
  • Behavioral Economics 16%

• The Ratio of the Desired Parameters of Deep Neural Networks

  Esaki, Y., Nakahara, Y. & Matsushima, T., 2022 3月, In: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E105A, 3, p. 433-435 3 p.

  研究成果: Article › 査読

  • Deep neural networks 100%
  • Neural Networks 96%
  • Approximation 13%
  • Class 7%
  • Computer simulation 7%

• Transfer Learning Based on Probabilistic Latent Semantic Analysis for Analyzing Purchase Behavior Considering Customers' Membership Stages

  Yang, T., Kumoi, G., Yamashita, H. & Goto, M., 2022, In: Journal of Japan Industrial Management Association. 73, 2, p. 160-175 16 p.

  研究成果: Article › 査読

  • Transfer Learning 100%
  • Latent Semantic Analysis 85%
  • Latent Class Analysis 68%
  • Transfer learning 63%
  • Purchase Behavior 56%
  1 被引用数 (Scopus)
• 2021

  Actuation performance of a photo-bending crystal modeled by machine learning-based regression

  Ishizaki, K., Sugimoto, R., Hagiwara, Y., Koshima, H., Taniguchi, T. & Asahi, T., 2021 9月 14, In: CrystEngComm. 23, 34, p. 5839-5847 9 p.

  研究成果: Article › 査読

  • machine learning 100%
  • actuation 82%
  • regression analysis 80%
  • Crystals 77%
  • deflection 70%
  6 被引用数 (Scopus)

• An identity for two integral transforms applied to the uniqueness of a distribution via its Laplace–Stieltjes transform

  Lin, G. D. & Dou, X., 2021, In: Statistics. 55, 2, p. 367-385 19 p.

  研究成果: Article › 査読

  • Integral Transform 100%
  • Uniqueness 92%
  • Integral 81%
  • Uniqueness Theorem 73%
  • Distribution Function 70%

• A stochastic model for block segmentation of images based on the quadtree and the bayes code for it^†

  Nakahara, Y. & Matsushima, T., 2021 8月, In: Entropy. 23, 8, 991.

  研究成果: Article › 査読

  Open Access

  • Quadtree 100%
  • Generative Models 94%
  • Segmentation 81%
  • Stochastic models 73%
  • Stochastic Model 63%
  5 被引用数 (Scopus)

• Cluster’s Number Free Bayes Prediction of General Framework on Mixture of Regression Models

  Murayama, H., Saito, S., Iikubo, Y., Nakahara, Y. & Matsushima, T., 2021 9月, In: Journal of Statistical Theory and Applications. 20, 3, p. 425-449 25 p.

  研究成果: Article › 査読

  • Regression Model 76%
  • Prediction 74%
  • Framework 53%
  • Linear regression 47%
  • Number of Clusters 47%

• Comparison Experiment of Learning State Between Visual Programming Language and Text Programming Language

  Umezawa, K., Ishii, Y., Nakazawa, M., Nakano, M., Kobayashi, M. & Hirasawa, S., 2021, TALE 2021 - IEEE International Conference on Engineering, Technology and Education, Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 729-733 5 p. (TALE 2021 - IEEE International Conference on Engineering, Technology and Education, Proceedings).

  研究成果: Conference contribution

  • Visual languages 100%
  • programming language 78%
  • Computer programming languages 65%
  • Brain 59%
  • experiment 42%
  2 被引用数 (Scopus)

• Dependence Properties of B-Spline Copulas

  Dou, X., Kuriki, S., Lin, G. D. & Richards, D., 2021 2月, In: Sankhya A. 83, 1, p. 283-311 29 p.

  研究成果: Article › 査読

  • B-spline 100%
  • B-spline Function 86%
  • Copula 69%
  • Total Positivity 23%
  • Stirling numbers of the second kind 21%

• Evaluation of Difficulty During Visual Programming Learning Using a Simple Electroencephalograph and Minecraft Educational Edition

  Umezawa, K., Nakazawa, M., Kobayashi, M., Ishii, Y., Nakano, M. & Hirasawa, S., 2021, Trends and Applications in Information Systems and Technologies. Rocha, Á., Adeli, H., Dzemyda, G., Moreira, F. & Correia, A. M. R. (eds.). Springer Science and Business Media Deutschland GmbH, p. 31-41 11 p. (Advances in Intelligent Systems and Computing; vol. 1367 AISC).

  研究成果: Conference contribution

  • Brain 100%
  • Eye tracking 70%
  • Experiments 21%
  1 被引用数 (Scopus)

• Hyperparameter Learning of Stochastic Image Generative Models with Bayesian Hierarchical Modeling and Its Effect on Lossless Image Coding

  Nakahara, Y. & Matsushima, T., 2021, 2021 IEEE Information Theory Workshop, ITW 2021 - Proceedings. Institute of Electrical and Electronics Engineers Inc., (2021 IEEE Information Theory Workshop, ITW 2021 - Proceedings).

  研究成果: Conference contribution

  • Image Coding 100%
  • Image Model 95%
  • Hierarchical Modeling 90%
  • Generative Models 86%
  • Bayesian Modeling 82%
  1 被引用数 (Scopus)

• In-process Feedback by Detecting Deadlock based on EEG Data in Exercise of Learning by Problem-posing

  Yamamoto, S., Tobe, Y., Tawatsuji, Y. & Hirashima, T., 2021 11月 22, 29th International Conference on Computers in Education Conference, ICCE 2021 - Proceedings. Rodrigo, M. M. T., Iyer, S., Mitrovic, A., Cheng, H. N. H., Kohen-Vacs, D., Matuk, C., Palalas, A., Rajenran, R., Seta, K. & Wang, J. (eds.). Asia-Pacific Society for Computers in Education, p. 21-30 10 p. (29th International Conference on Computers in Education Conference, ICCE 2021 - Proceedings; vol. 1).

  研究成果: Conference contribution

  • Electroencephalography 100%
  • Feedback 65%
  • learning 35%
  • State estimation 8%
  • learning environment 6%
  1 被引用数 (Scopus)

• Meta-tree random forest: Probabilistic data-generative model and bayes optimal prediction

  Dobashi, N., Saito, S., Nakahara, Y. & Matsushima, T., 2021 6月, In: Entropy. 23, 6, 768.

  研究成果: Article › 査読

  Open Access

  • Random Forest 100%
  • Optimal Prediction 99%
  • Generative Models 96%
  • Random forests 72%
  • predictions 36%
  5 被引用数 (Scopus)

• Optimum Intrinsic Randomness Rate with Respect to f -Divergences Using the Smooth Min Entropy

  Nomura, R. & Yagi, H., 2021 7月 12, 2021 IEEE International Symposium on Information Theory, ISIT 2021 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1784-1789 6 p. (IEEE International Symposium on Information Theory - Proceedings; vol. 2021-July).

  研究成果: Conference contribution

  • F-divergence 100%
  • Entropy 63%
  • Kullback-Leibler Divergence 46%
  • Distance Measure 21%
  1 被引用数 (Scopus)

• Reformation of thalidomide from its hydrolysis compound via intramolecular dehydration

  Taniguchi, T., Nakamura, M., Tsutao, K., Otogawa, K., Ogino, Y. & Asahi, T., 2021 7月, In: Chemistry Letters. 50, 7, p. 1388-1391 4 p.

  研究成果: Article › 査読

  • Thalidomide 100%
  • Dehydration 54%
  • Hydrolysis 39%
  • Acetonitrile 15%
  • Molecular Structure 14%

• Relationship between source resolvability with normalized f-divergence and fixed-length coding

  Nomura, R., 2021 4月 11, 2020 IEEE Information Theory Workshop, ITW 2020. Institute of Electrical and Electronics Engineers Inc., 9457657. (2020 IEEE Information Theory Workshop, ITW 2020).

  研究成果: Conference contribution

  • Resolvability 100%
  • F-divergence 92%
  • Coding 69%
  • Decoding 59%
  • Relationships 42%

• The Development of a Self-Study System for Language Learning - Overview of the Project and Related Work-

  Umezawa, K., Nakazawa, M., Kobayashi, M., Ishii, Y., Nakano, M. & Hirasawa, S., 2021, 6th International STEM Education Conference, iSTEM-Ed 2021. Institute of Electrical and Electronics Engineers Inc., (6th International STEM Education Conference, iSTEM-Ed 2021).

  研究成果: Conference contribution

  • self-study 100%
  • Language Acquisition 92%
  • Learning systems 88%
  • learning 79%
  • Computer programming languages 79%
  1 被引用数 (Scopus)

• Time Window Topic Model for Analyzing Customer Browsing Behavior

  Ito, F., Kumoi, G. & Goto, M., 2021, 2021 IEEE 12th International Workshop on Computational Intelligence and Applications, IWCIA 2021 - Proceedings. Institute of Electrical and Electronics Engineers Inc., (2021 IEEE 12th International Workshop on Computational Intelligence and Applications, IWCIA 2021 - Proceedings).

  研究成果: Conference contribution

  • History 100%
  • Internet 58%
  • Insurance 50%
  • Purchasing 48%
  • Marketing 41%
• 2020

  A Hypothesis Discovery Method for Predicting Change in Multidimensional Time-series Data

  Kumoi, G. & Goto, M., 2020 10月 11, 2020 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2020. Institute of Electrical and Electronics Engineers Inc., p. 854-859 6 p. 9282955. (Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics; vol. 2020-October).

  研究成果: Conference contribution

  • Time series 100%
  • Random forests 40%
  • Marketing 37%
  • Chemical activation 34%
  • Internet of things 32%

• Analysis of decoding error probability of spatially "Mt. Fuji" coupled LDPC codes inwaterfall region of the BEC

  NAKAHARA, Y. & Matsushima, T., 2020 12月, In: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E103A, 12, p. 1337-1346 10 p.

  研究成果: Article › 査読

  • Error Probability 100%
  • Decoding 97%
  • Ensemble 87%
  • Experiments 31%
  • Local Minima 11%

• Analysis of logic errors utilizing a large amount of file history during programming learning

  Umezawa, K., Nakazawa, M., Kobayashi, M., Ishii, Y., Nakano, M. & Hirasawa, S., 2020 12月 8, Proceedings of 2020 IEEE International Conference on Teaching, Assessment, and Learning for Engineering, TALE 2020. Mitsuhara, H., Goda, Y., Ohashi, Y., Rodrigo, M. M. T., Shen, J., Venkatarayalu, N., Wong, G., Yamada, M. & Chi-Un Lei, L. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 630-634 5 p. 9368348. (Proceedings of 2020 IEEE International Conference on Teaching, Assessment, and Learning for Engineering, TALE 2020).

  研究成果: Conference contribution

  • programming 100%
  • history 69%
  • learning 43%
  • Visualization 32%
  • syntax 26%
  1 被引用数 (Scopus)

• A stochastic model of block segmentation based on the quadtree and the bayes code for it

  Nakahara, Y. & Matsushima, T., 2020 3月, Proceedings - DCC 2020: Data Compression Conference. Bilgin, A., Marcellin, M. W., Serra-Sagrista, J. & Storer, J. A. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 293-302 10 p. 9105877. (Data Compression Conference Proceedings; vol. 2020-March).

  研究成果: Conference contribution

  • Stochastic models 100%
  • Polynomials 23%
  • Costs 11%
  • Experiments 10%
  4 被引用数 (Scopus)

• Autoregressive Image Generative Models with Normal and t-distributed Noise and the Bayes Codes for Them

  Nakahara, Y. & Matsushima, T., 2020 10月 24, Proceedings of 2020 International Symposium on Information Theory and its Applications, ISITA 2020. Institute of Electrical and Electronics Engineers Inc., p. 81-85 5 p. 9366177. (Proceedings of 2020 International Symposium on Information Theory and its Applications, ISITA 2020).

  研究成果: Conference contribution

  • Image Model 100%
  • Generative Models 90%
  • Stochastic models 42%
  • Stochastic Model 30%
  • Expand 22%
  3 被引用数 (Scopus)

• Bayes Code for 2-dimensional auto-regressive Hidden Markov model and its application to lossless image compression

  Nakahara, Y. & Matsushima, T., 2020, International Workshop on Advanced Imaging Technology, IWAIT 2020. Lau, P. Y. & Shobri, M. (eds.). SPIE, 115151T. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11515).

  研究成果: Conference contribution

  • Lossless Image Compression 100%
  • Markov Model 54%
  • Hidden Markov models 51%
  • Image compression 51%
  • Parameter estimation 31%
  3 被引用数 (Scopus)

• Crystal actuator based on a thermal phase transition and photothermal effect

  Hagiwara, Y., Taniguchi, T., Asahi, T. & Koshima, H., 2020 4月 14, In: Journal of Materials Chemistry C. 8, 14, p. 4876-4884 9 p.

  研究成果: Article › 査読

  • Phase transitions 100%
  • Crystals 95%
  • Actuators 72%
  • Hot Temperature 46%
  • Rod Like Crystal 45%
  17 被引用数 (Scopus)

• Detection of careless mistakes during programming learning using a simple electroencephalograph

  Umezawa, K., Nakazawa, M., Kobayashi, M., Ishii, Y., Nakano, M. & Hirasawa, S., 2020 8月, 15th International Conference on Computer Science and Education, ICCSE 2020. Institute of Electrical and Electronics Engineers Inc., p. 72-77 6 p. 9201772. (15th International Conference on Computer Science and Education, ICCSE 2020).

  研究成果: Conference contribution

  • Eye tracking 100%
  • Brain 70%
  • programming 66%
  • Learning 62%
  • Experiments 30%
  2 被引用数 (Scopus)