Committee 
Date Time 
Place 
Paper Title / Authors 
Abstract 
Paper # 
PRMU 
20201218 14:25 
Online 
Online 
Zeroshot generative model considering attribute uncertainty Yuta Sakai (Waseda Univ.), Kenta Mikawa (SIT), Masayuki Goto (Waseda Univ.) PRMU202059 
Classification problems in machine learning remain an important research topic. In general, classification estimates unk... [more] 
PRMU202059 pp.122127 
NLP 
20190924 12:30 
Kochi 
Eikokuji Campus, University of Kochi 
New formulation of optimal regulator problem for inputcost term with offsets Yuh Yamashita, Yuta Sakai, Koichi Kobayashi (Hokkaido Univ.) NLP201955 
An optimal control problem such that a desired state is different from the state at which input cost becomes zero, is il... [more] 
NLP201955 pp.105108 
WBS, IT, ISEC 
20180309 13:30 
Tokyo 
Katsusika Campas, Tokyo University of Science 
On the Generalization of Fano's Inequality for Countably Infinite Alphabets, ListDecoding, and General Conditional Information Measures Yuta Sakai (Univ. Fukui) IT2017133 ISEC2017121 WBS2017114 
Analogues of Fano's inequality are investigated under the following settings:
Firstly, the alphabet $mathcal{X}$ of a d... [more] 
IT2017133 ISEC2017121 WBS2017114 pp.179184 
IT 
20160902 10:25 
Saga 
New Heartpia 
Construction, Encoding, and Decoding of Polar Codes with Multilevel Polarization for $q$Ary Input Generalized Erasure Channels Tomoyuki Kiuchi, Yuta Sakai, Kenichi Iwata (Univ. of Fukui) IT201636 
On polar codes, the size of the alphabet to be considered grows doubleexponentially with the number of polar transforma... [more] 
IT201636 pp.1318 
IT 
20160902 14:10 
Saga 
New Heartpia 
SpeedUp Method for Optimal Quantizations of BinaryInput Discrete Memoryless Channels with Monge Property Yuta Sakai, Kenichi Iwata (Univ. of Fukui) IT201640 
This study examines quantizations for outputs of binaryinput discrete memoryless channels (BDMCs) by concatenating a D... [more] 
IT201640 pp.3540 
IT, EMM 
20160520 10:15 
Hokkaido 
Otaru Economic Center 
A Sharp Bound Between Two Arimoto's Conditional Renyi Entropies with Distinct Positive Orders Yuta Sakai, Kenichi Iwata (Univ. of Fukui) IT201611 EMM201611 
In information theory, information measures for random variables, such as the Shannon entropy and the Rényi entropy, are... [more] 
IT201611 EMM201611 pp.6368 
IT, ISEC, WBS 
20160310 13:40 
Tokyo 
The University of ElectroCommunications 
Relations Between Conditional Shannon Entropy and Expectation of Norm and Their Applications Yuta Sakai, Kenichi Iwata (Univ. of Fukui) IT2015109 ISEC201568 WBS201592 
The paper investigates the extremal relations between the Shannon entropy and the $ell_{alpha}$norm. More precisely, th... [more] 
IT2015109 ISEC201568 WBS201592 pp.4954 
EMM, IT 
20150521 10:40 
Kyoto 
Kyoto International Community House 
Feasible regions of symmetric capacity and Gallager's $E_{0}$ functions for discrete memoryless channels under a uniform input distribution Yuta Sakai, Kenichi Iwata (Univ. of Fukui) IT20152 EMM20152 
This study aims to clarify the extremal channels in the sense of channel reliability functions for some class of channel... [more] 
IT20152 EMM20152 pp.712 
ISEC, IT, WBS 
20150302 16:40 
Fukuoka 
The University of Kitakyushu 
Algorithms to reduce the number of output symbols on condition that discrete memoryless channel satisfies admissible mutual information Takumi Nagahara, Yuta Sakai, Kenichi Iwata (Univ. of Fukui) IT201486 ISEC201499 WBS201478 
Some quantization techniques are used in channel coding system to reduce the complexity of coding problem.
Kurkoski and... [more] 
IT201486 ISEC201499 WBS201478 pp.153158 
IT 
20150130 13:25 
Chiba 

Range of Symmetric Capacity and Reliability Functions for TernaryInput Discrete Memoryless Channels with Uniform Input Distribution Yuta Sakai, Kenichi Iwata (Univ. of Fukui) IT201455 
F`{a}bregas, Land, Martinez revealed that binary symmetric channels and binary erasure channels are extremal channels in... [more] 
IT201455 pp.712 
IT 
20140718 14:25 
Hyogo 
Kobe University 
On Quantization by Greedy Combining for Outputs of Discrete Memoryless Channels Yuta Sakai, Kenichi Iwata (Univ. of Fukui) IT201434 
Some quantization techniques are used in practice system to reduce the complexity of coding problem.
Kurkoski and Yagi ... [more] 
IT201434 pp.127132 