Program
| K.1 Keynote Lecture I | |
| Dec. 8 Wed.14:10〜15:50 Hikarinoma+Kazenoma Chair: Hiroki Koga (University of Tsukuba) |
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| K.1.1 | The Black Hole Shadow Imaging of the Event Horizon Telescope Collaboration and Data Science |
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○Shiro Ikeda (The Institute of Statistical Mathematics)
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| K.1.2 | Post-Quantum Cryptography – Focusing on Code-Based Cryptography – |
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○Keita Xagawa (Nippon Telegraph and Telephone Corporation)
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| K.2 Keynote Lecture II | |
| Dec. 8 Wed.16:10〜17:50 Hikarinoma+Kazenoma Chair: Motohiko Isaka (Kwansei Gakuin University) |
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| K.2.1 | Automorphism Group and Weight Distribution Computation for Linear Block Codes |
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○Toru Fujiwara (Osaka University)
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| K.2.2 | Various Applied Technologies from Information Theory Supporting Cyber Society |
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○Masakatsu Morii (Kobe University)
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| 1.1 Quantum Information Theory I -Quantum Error Correction- | |
| Dec. 9 Thu.10:00〜11:20 Hikarinoma Chair: Hiroshi Nagaoka (The University of Electro-Communications) |
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| 1.1.1 | Commutativity of Kraus Operators for Quantum Deletion/Insertion Errors and Other Errors |
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◎Yuma Adachi (Meijo University), Shogo Usami (Meijo University), Tsuyoshi Sasaki Usuda (Aichi Prefectural University)
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| 1.1.2 | Single Quantum Insertion Error-Correcting Codes |
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◎Taro Shibayama (Chiba University), Manabu Hagiwara (Chiba University)
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| 1.1.3 | Explicit Method to Make Shortened EAQECC from QECC |
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◎Daiki Ueno (Tokyo Institute of Technology), Ryutaroh Matsumoto (Tokyo Institute of Technology)
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| 1.1.4 | Lee Weight for Nonbinary Quantum Error Correction |
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○Ryutaroh Matsumoto (Tokyo Institute of Technology)
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| 1.2 Coding Theory I | |
| Dec. 9 Thu.10:00〜11:20 Kazenoma Chair: Masaya Fujisawa (Tokyo University of Science) |
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| 1.2.1 | Factorization and Composition of Reversible Quasi-Cyclic Codes by Chinese Remainder Theorem |
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◎Norifumi Ojiro (Toyota Technological Institute), Kakeru Kaneko (Toyota Technological Institute), Hajime Matsui (Toyota Technological Institute)
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| 1.2.2 | Finding Reversible and Self-Dual Quasi-Cyclic Codes with High Error Correction Capability |
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◎Kakeru Kaneko (Toyota Technological Institute), Norifumi Ojiro (Toyota Technological Institute), Hajime Matsui (Toyota Technological Institute)
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| 1.2.3 | Research on Effect of Interleaving under Varying Models of Burst Error Communication Channels |
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◎Yuki Ishikawa (Tokai University), Hiroshi Yamamoto (Tokai University)
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| 1.2.4 | Improvement of Recognition Accuracy of Unreadable QR Code by Using GMD Decoding |
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◎Itsuki Hashimoto (Kobe University), Yoshiaki Shiraishi (Kobe University), Masakatu Morii (Kobe University)
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| 1.3 Statistical Machine Learning I | |
| Dec. 9 Thu.10:00〜11:20 Tsubasanoma Chair: Mimura Kazushi (Hiroshima City University) |
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| 1.3.1 | Bayes Optimal Estimation and Its Approximation Algorithm for the Difference with and without Measures for Population under the URL Model |
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◎Taisuke Ishiwatari (Waseda University), Shota Saito (Gunma University), Yuta Nakahara (Waseda University), Yuji Iikubo (Waseda University), Toshiyasu Matsushima (Waseda University)
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| 1.3.2 | Bayes Optimal Estimation and Its Approximation Algorithm for the Difference with and without Measures on New Sample under URL Model |
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◎Kazuki Yamada (Waseda University), Yuta Nakahara (Waseda University), Shota Saito (Gunma University), Yuji Iikubo (Waseda University), Toshiyasu Matsushima (Waseda University)
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| 1.3.3 | Probability Distribution on Full Rooted Trees |
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◎Yuta Nakahara (Waseda University), Shota Saito (Gumma University), Akira Kamatsuka (Shonan Institute of Technology), Toshiyasu Matsushima (Waseda University)
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| 1.3.4 | Conditional Average Treatment Effect Estimation based on Partially Linear Model with Gaussian Process Prior |
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○Shunsuke Horii (Waseda University)
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| 1.4 Signal Processing / Pattern Recognition | |
| Dec. 9 Thu.10:00〜11:20 Kagayakinoma Chair: Manabu Kobayashi (Waseda University) |
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| 1.4.1 | Visualization Analysis of Relationships between Employees Focusing on Content of Communication on Business Chat |
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◎Tatsuya Kawakami (Waseda University), Haruka Yamashita (Sophia University), Hajime Hotta (Laboratik Inc.), Masayuki Goto (Waseda University)
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| 1.4.2 | A Method for Automatic Generation of New Product Images of Fresh Flowers Based on CVAE Co-learning of Purchase History and Image Information |
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◎Aya Kitasato (Waseda University), Gendo Kumoi (Waseda University), Masayuki Goto (Waseda University)
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| 1.4.3 | A Proposal for an Extended Translation-based Recommendation Model Considering Sequential Purchased Product Information |
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◎Yashu Li (Waseda University), Ayako Yamagiwa (Waseda University), Tianxiang Yang (Waseda University), Masayuki Goto (Waseda University)
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| 1.4.4 | The Optimal Denoising Algorithm under The Bayesian Criterion in case The Best 2D Discrete Wavelet Packets Basis Is Unknown |
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◎Ryohei Oka (Waseda University), Yuta Nakahara (Waseda University), Toshiyasu Matsushima (Waseda University)
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| 2.1 Quantum Information Theory II -Quantum Communication- | |
| Dec. 9 Thu.11:40〜13:00 Hikarinoma Chair: Jun Suzuki (The University of Electro-Communications) |
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| 2.1.1 | Characteristics of Upper Bound of Quantum Reliability Function for M-ary PSK Signals and Application to Security Evaluation of KCQ Quantum Cryptographic Protocol |
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◎Ei Morimoto (Aichi Prefectural University), Ryota Nakagawa (Aichi Prefectural University), Tiancheng Wang (Aichi Prefectural University), Tsuyoshi Sasaki Usuda (Aichi Prefectural University)
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| 2.1.2 | Geometric Representation of the Belavkin Weighted Square-root Measurement for Trine States |
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◎Shogo Isokawa (Aichi Prefectural University), Ryota Nakagawa (Aichi Prefectural University), Tiancheng Wang (Aichi Prefectural University), Souichi Takahira (Osaka University), Tsuyoshi Sasaki Usuda (Aichi Prefectural University)
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| 2.1.3 | Effect of Coding on CPPM-Type KCQ Protocol Using Direct Detection |
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◎Yuki Wakahara (Meijo University), Yuma Adachi (Meijo University), Shogo Usami (Meijo University), Tsuyoshi Sasaki Usuda (Aichi Prefectural University)
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| 2.1.4 | On Multi-Level Modulation of Asymmetric Quantum Communication Using Quasi-Bell State |
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◎Suguru Sameshima (Meijo University), Tiancheng Wang (Aichi Prefectural University), Shogo Usami (Meijo University), Tsuyoshi Sasaki Usuda (Aichi Prefectural University)
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| 2.2 Coding Theory II | |
| Dec. 9 Thu.11:40〜13:00 Kazenoma Chair: Takayuki Nozaki (Yamaguchi University) |
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| 2.2.1 | Annealing Method for Deep Learning: Damped AMP Decoding Network for Sparse Superposition Codes |
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◎Toshihiro Yoshida (Toyohashi University of Technology), Keigo Takeuchi (Toyohashi University of Technology)
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| 2.2.2 | A Study on Irregular Multi-Kernel Polar Codes |
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◎Tomohiro Higuchi (Tokyo University of Science), Ryo Shibata (Tokyo University of Science), Hiroyuki Yashima (Tokyo University of Science)
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| 2.2.3 | Correcting Insertions and Deletions Using Cryptographic Hash Functions |
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◎Yasuaki Haseba (Osaka University), Kenji Yasunaga (Tokyo Institute of Technology)
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| 2.3 Statistical Machine Learning II | |
| Dec. 9 Thu.11:40〜13:00 Tsubasanoma Chair: Takahiro Yoshida (Nihon University) |
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| 2.3.1 | A Study on Demand Prediction for Seasonal Second-hand Fashion Items Based on a Two-Stage Machine Learning Prediction Model |
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◎Fuyu Saito (Waseda University), Haruka Yamashita (Sophia University), Hokuto Sasaki (ZOZO, Inc.), Masayuki Goto (Waseda University)
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| 2.3.2 | Time Window Topic Model for Analyzing Customer Browsing Behavior |
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◎Fumiyo Ito (Waseda University), Gendo Kumoi (Waseda University), Masayuki Goto (Waseda University)
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| 2.3.3 | A Study on a Demand Forecasting Model for Side Dish Items Based on Multi-task Learning Considering Sold Out Information |
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◎Ryosuke Uehara (Waseda University), Gendo Kumoi (Waseda University), Masayuki Goto (Waseda University), Tomohiro Yoshikai (Japan Weather Association)
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| 2.3.4 | Multivalued Classification Performance Based on Estimation Error of Binary Classifiers |
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◎Gendo Kumoi (Waseda University), Hideki Yagi (The University of Electro-Communications), Manabu Kobayashi (Waseda University), Masayuki Goto (Waseda University), Shigeichi Hirasawa (Waseda University)
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| 2.4 Compressed Sensing and Sparsity | |
| Dec. 9 Thu.11:40〜13:00 Kagayakinoma Chair: Mimura Kazushi (Hiroshima City University) |
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| 2.4.1 | Reduction of Communication Cost in Distributed Orthogonal Approximate Message Passing |
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◎Ken Hisanaga (Kwansei Gakuin University), Motohiko Isaka (Kwansei Gakuin University)
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| 2.4.2 | Hyper-Parameter Estimation of L1 Trend Filtering by Variational Approximation |
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◎Akiharu Omae (Toyohashi University of Technology), Kazuho Watanabe (Toyohashi University of Technology)
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| 2.4.3 | Deep Unfolded-Neumann Series Method for Accelerating Inversion of Linear Transformations |
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◎Yuan Qi (Nagoya Institute of Technology), Tadashi Wadayama (Nagoya Institute of Technology)
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| 2.4.4 | Optimized Sensing Matrices for Signal Recovery of Multivariate Complex Gaussian Vectors |
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◎Kento Yokoyama (Nagoya Institute of Technology), Tadashi Wadayama (Nagoya Institute of Technology)
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| 3.1 Quantum Information Theory III -Fundamentals- | |
| Dec. 9 Thu.15:00〜16:20 Hikarinoma Chair: Souichi Takahira (Osaka University) |
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| 3.1.1 | A Mathematical Formulation of Polarizing Beam Splitters and Its Application to Quantum Computer |
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◎Masaki Nakazato (Tokyo University of Science), Noboru Watanabe (Tokyo University of Science)
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| 3.1.2 | Quantum Information Geometry of Weakly Contaminated Models |
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○Jun Suzuki (The University of Electro-Communications)
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| 3.1.3 | A Distance Measure Induced from the Remote Cramer-Rao Inequality |
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○Hiroshi Nagaoka (The University of Electro-Communications), Hiroyasu Tajima (The University of Electro-Communications)
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| 3.2 Coding and Signal Processing for Strorage | |
| Dec. 9 Thu.15:00〜16:20 Kazenoma Chair: Akiko Manada (Nagaoka University of Technology) |
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| 3.2.1 | Encoding Algorithm for Maximum Run-Length Limited Non-Binary Tenengolts' Codes |
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◎Reona Takemoto (Yamaguchi University), Takayuki Nozaki (Yamaguchi University)
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| 3.2.2 | Balanced Coding with Lehmer Code |
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○Hiroshi Kamabe (Gifu University), Takumi Marumo (Gifu University), Shan Lu (Gifu University)
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| 3.2.3 | Signal Processing Schemes for Heated Dot Magnetic Recording with Double-layered Bit Patterned Media |
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○Hidetoshi Saito (Kogakuin University)
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| 3.3 Information Theoretic Security | |
| Dec. 9 Thu.15:00〜16:20 Tsubasanoma Chair: Mitsugu Iwamoto (The University of Electro-Communications) |
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| 3.3.1 | Multiplex Secret Sharing Schemes |
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○Hirosuke Yamamoto (The University of Tokyo)
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| 3.3.2 | Secure Broadcasting of Two Encrypted Sources and Wire-Tap Channels |
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◎Kazuma Nishiyama (The University of Electro-Communications), Yasutada Oohama (The University of Electro-Communications)
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| 3.3.3 | Secrecy Amplification of Broadcasting Two Encrypted Sources using Reed-Solomon Codes and Security Analysis |
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◎Kazuma Nishiyama (The University of Electro-Communications), Yasutada Oohama (The University of Electro-Communications)
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| 3.3.4 | A Generalization of the Stratonovich's Value of Information and Application to Privacy-Utility Trade-off |
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◎Akira Kamatsuka (Shonan Institute of Technology), Takahiro Yoshida (Nihon University), Toshiyasu Matsushima (Waseda University)
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| 4.1 Stochastic Processes and Coding | |
| Dec. 10 Fri.10:00〜11:00 Hikarinoma Chair: Tetsunao Matsuta (Saitama University) |
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| 4.1.1 | The Exponential Family of Reversible Markov Kernels |
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◎Geoffrey Wolfer (Tokyo University of Agriculture and Technology), Shun Watanabe (Tokyo University of Agriculture and Technology)
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| 4.1.2 | A Sufficient Condition on Uniquely Decodable Substrings and their Weights for Antidictionary Coding |
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○Takahiro Ota (Senshu University), Akiko Manada (Nagaoka University of Technology)
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| 4.1.3 | A Study of Computability in Distributed Computing With Joint Source-Channel Coding Over Multiple-Access Channel |
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◎Naruki Joki (Wakayama University), Shigeaki Kuzuoka (Wakayama University)
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| 4.2 Coding Theory III | |
| Dec. 10 Fri.10:00〜11:00 Kazenoma Chair: Hidetoshi Saito (Kogakuin University) |
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| 4.2.1 | Nested Lattice Codes With Regular Simplex Coarse Lattices |
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◎Leli Han (Kyushu University), Yutaka Jitsumatsu (Tokyo Institute of Technology)
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| 4.2.2 | Continuous Error Correcting Dynamical Systems based on Stochastic Differential Equations |
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○Tadashi Wadayama (Nagoya Institute of Technology)
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| 4.2.3 | A Study on Delayed Bit-Interleaved Coded Modulation |
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○Gou Hosoya (Waseda University)
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| 4.3 Secure Computation | |
| Dec. 10 Fri.10:00〜11:00 Tsubasanoma Chair: Hirosuke Yamamoto (The University of Tokyo) |
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| 4.3.1 | A Note on Secure Distributed Matrix Multiplication Methods Based on Secret Sharing Systems with General Access Structures |
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◎Koki Kazama (Waseda University), Toshiyasu Matsushima (Waseda University)
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| 4.3.2 | A Study on Information Security Scheme Using Discrete Fourier Transform and Reed-Solomon Codes |
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○Shoichiro Yamasaki (Hiroshima City University), Tomoko K. Matsushima (Yokohama College of Commerce), Hirokazu Tanaka (Hiroshima City University)
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| 4.3.3 | Preliminary Studies on the Card-Based AND Protocol That Allows Three Inputs(0, 1, and Indeterminate) |
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○Yuji Suga (Internet Initiative Japan Inc.)
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| 5.1 Shannon Theory I -Hypothesis Testing- | |
| Dec. 10 Fri.11:20〜12:20 Hikarinoma Chair: Shun Watanabe (Tokyo University of Agriculture and Technology) |
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| 5.1.1 | A Refined Analysis of Merhav and Ziv's Bayesian Approach for Classification of Markov Sources |
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○Shota Saito (Gunma University)
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| 5.1.2 | Analysis on Optimal Error Exponents of Binary Classification for Mixed Sources |
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◎Hiroto Kuramata (The University of Electro-Communications), Hideki Yagi (The University of Electro-Communications)
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| 5.1.3 | Converse Coding Theorem for the Distributed Hypothesis Testing Problem |
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○Yasutada Oohama (The University of Electro-Communications)
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| 5.2 MIMO | |
| Dec. 10 Fri.11:20〜12:20 Kazenoma Chair: Kazunori Hayashi (Kyoto University) |
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| 5.2.1 | PSOR Jacobi MMSE Detector for MIMO Signal Detection |
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◎Asahi Mizukoshi (Nagoya Institute of Technology), Tadashi Wadayama (Nagoya Institute of Technology)
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| 5.2.2 | Non-Coherent MIMO Communication Methods Using Schubert Cell Decomposition |
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○Tatsumi Konishi (Aichi Institute of Technology)
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| 5.2.3 | Optimization of Relay Linear Transformations of MIMO Relay Systems |
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◎Naoyuki Hayashi (Nagoya Institute of Technology), Tadashi Wadayama (Nagoya Institute of Technology)
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| 5.3 Public Key Cryptography | |
| Dec. 10 Fri.11:20〜12:20 Tsubasanoma Chair: Noboru Kunihiro (University of Tsukuba) |
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| 5.3.1 | Proposal of High-Density SOSI Knapsack Cryptosystem and Evaluation of Security against Low-Density Attack |
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◎Minami Sato (Osaka-Electro Communication University), Sosuke Minamoto (Osaka-Electro Communication University), Ryuichi Sakai (Osaka-Electro Communication University), Yasuyuki Murakami (Osaka-Electro Communication University)
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| 5.3.2 | Error Rate Evaluation of Pairwise Bit-Flipping Decoding of QC-MDPC Code |
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◎Eiki Shin (Tokyo Institute of Technology), Haruhiko Kaneko (Tokyo Institute of Technology)
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| 5.3.3 | Security Analysis for Algorithms Based on Framework of Strongly Asymmetric Public Key Agreement |
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◎Koki Jimbo (Tokyo University of Science), Satoshi Iriyama (Tokyo University of Science)
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| 6.1 Shannon Theory II -Source Coding- | |
| Dec. 10 Fri.14:20〜15:20 Hikarinoma Chair: Shigeaki Kuzuoka (Wakayama University) |
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| 6.1.1 | Relationship Between Error Exponent and Encoding Only Information That Cannot Be Decoded Correctly |
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○Kiminori Iriyama
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| 6.1.2 | A Unified Expression of Achievable Region in Privacy-Constrained Source Coding |
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◎Naruki Shinohara (The University of Electro-Communications), Hideki Yagi (The University of Electro-Communications)
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| 6.1.3 | An Equivalent Expression for the Source Coding Problem when Side Information May Be Absent |
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○Tetsunao Matsuta (Saitama University)
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| 6.2 Optical Communications / Sequences | |
| Dec. 10 Fri.14:20〜15:20 Kazenoma Chair: Tetsuo Tsujioka (Osaka City University) |
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| 6.2.1 | A Study on Orthogonal Variable Spreading Factor Codes over the Complex Number Field |
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○Tomoko K. Matsushima (Yokohama College of Commerce), Shoichiro Yamasaki (Hiroshima City University), Hirokazu Tanaka (Hiroshima City University)
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| 6.2.2 | A Study on Received Light Intensity Estimation in Synchronous Optical CDMA System Using Level Division Multiplexing |
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◎Ayari Kamikata (Polytechnic University), Shinichiro Miyazaki (Polytechnic University), Kotoku Omura (Polytechnic University), Shigeyoshi Ohno (Polytechnic University), Shoichiro Yamasaki (Hiroshima City University), Tomoko K. Matsushima (Yokohama College of Commerce)
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| 6.2.3 | Evaluation of Optimum Receiver considering Shot Noise over Turbulent Underwater Optical Wireless Channel |
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◎Kenzo Yamada (Nagoya University), Chedlia Ben Naila (Nagoya University), Hiraku Okada (Nagoya University), Masaaki Katayama (Nagoya University)
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| 6.3 Security Systems | |
| Dec. 10 Fri.14:20〜15:20 Tsubasanoma Chair: Yuji Suga (Internet Initiative Japan Inc.) |
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| 6.3.1 | New Authentication Architecture using the Fourth Key Sharing Scheme |
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○Takehiko Mieno (EPSON AVASYS Corp), Hiroyuki Okazaki (Shinshu University), Yuichi Futa (Tokyo University of Technology), Yasuyuki Murakami (Osaka Electro-Communication University)
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| 6.3.2 | A Study on Implementation and Security of a Biometric Authentication System Based on Verifiable Encryption |
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◎Maki Kihara (Tokyo University of Science), Satoshi Iriyama (Tokyo University of Science), Tomoharu Onodera (Tokyo University of Science)
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| 6.3.3 | Selection of Transactions for Approval in The Distributed Ledger Tangle |
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◎Takumi Nishimura (Kwansei Gakuin University), Motohiko Isaka (Kwansei Gakuin University)
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| 7.1 Shannon Theory III -Channel Coding- | |
| Dec. 10 Fri.15:40〜16:40 Hikarinoma Chair: Yutaka Jitsumatsu (Tokyo Institute of Technology) |
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| 7.1.1 | Performance Evaluation of Random Coding by Finite Length Analysis in Channel with Constraints on Time and Energy |
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◎Issei Yokosawa (Tokyo Institute of Technology), Tomohiko Uyematsu (Tokyo Institute of Technology)
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| 7.1.2 | Channel Coding with Asymptotic Cost Constraint |
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◎Masaki Hori (Shinshu University), Mikihiko Nishiara (Shinshu University)
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| 7.1.3 | An Algorithm for Computing the Capacity Region of Two Input One Output Multiple Access Channels |
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◎Tetta Kishimoto (The University of Electro-Communications), Yasutada Oohama (The University of Electro-Communications)
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| 7.2 Wireless Communications | |
| Dec. 10 Fri.15:40〜16:40 Kazenoma Chair: Tatsumi Konishi (Aichi Institute of Technology) |
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| 7.2.1 | Stitching Pieces of One Message Together By Clustering Fading Coefficients for Unsourced Random Access Communications |
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◎Hinako Nakanishi (Doshisha University), Tomotaka Kimura (Doshisha University), Jun Cheng (Doshisha University)
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| 7.2.2 | Performance Analysis of Cooperative Superposition-Coded Relay Systems over Quasi-State Nakagami-Rician Fading Channels |
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◎Masaya Kambara (Doshisha University), Tomotaka Kimura (Doshisha University), Jun Cheng (Doshisha University)
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| 7.3 Secure Communication | |
| Dec. 10 Fri.15:40〜16:40 Tsubasanoma Chair: Hiroki Koga (University of Tsukuba) |
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| 7.3.1 | Secret-Key Exchange Through Synchronization of Randomized Lorenz Oscillators |
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◎Koshiro Onuki (Ritsumeikan University), Yoshihiko Horio (Tohoku University), Takaya Miyano (Ritsumeikan University)
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| 7.3.2 | Privacy-preserved Speech Transmission by Using Visual Cryptography |
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○Yuuki Tachioka (Denso IT Laboratory)
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◎：The presentation for SITA Young Researcher Paper Award, ○：A regular presentation