Yuichi Ohkawa

14 papers A 2C 2Misc 1Journal 5Unranked 4
YearRankTypeTitle / Venue / Authors
2024 J jnl
Predicting at-risk students in the early stage of a blended learning course via machine learning using limited data.
Comput. Educ. Artif. Intell.
Zahra Azizah, Tomoya Ohyama, Xiumin Zhao, Yuichi Ohkawa, Takashi Mitsuishi
2023 — conf
Consideration of On-Demand Online Exam-Taking Methods that Promote Continuous Learning.
TALE
Takuro Ozaki, Yuichi Ohkawa, Takashi Sato, Takashi Mitsuishi
2023 C conf
Enhancing Mobile Learning App for Revamped Blended Learning Class in Beginner's Chinese Course.
ICCE
Yuichi Ohkawa, Xiumin Zhao, Takashi Mitsuishi, Wen Gui, Xuan Wang
2023 J jnl
Measuring Motivational Pattern on Second Language Learning and its Relationships to Academic Performance: A Case Study of Blended Learning Course.
IEICE Trans. Inf. Syst.
Zahra Azizah, Tomoya Ohyama, Xiumin Zhao, Yuichi Ohkawa, Takashi Mitsuishi
2020 — conf
Study on UX design in enhancing student motivations in mobile language learning.
TALE
Jarmo Seppälä, Takashi Mitsuishi, Yuichi Ohkawa, Xiumin Zhao, Marko Nieminen
2014 C conf
A Shareable Whiteboard System for Distance Collaborative Learning which Enables Instruction for Multiple Groups of Students.
ICCE
Yuichi Ohkawa, Kazuki Watanabe, Takashi Mitsuishi
2013 — conf
Study on Effects of Text Decoration for a Text Based Communication Tool in Education.
HCI (1)
Masateru Hishina, Katsuaki Miike, Nobutake Asaba, Satoru Murakami, Yuichi Ohkawa, Takashi Mitsuishi
2011 — conf
A Development of Web-Based Player for Instructions Recorded with the Electronic Blackboard System IMPRESSION.
HCI (4)
Yuichi Ohkawa, Takashi Mitsuishi
2010 Misc conf
Aspect-model-based reference speaker weighting.
ICASSP
Seongjun Hahm, Yuichi Ohkawa, Masashi Ito, Motoyuki Suzuki, Akinori Ito, Shozo Makino
2010 J jnl
Improved Reference Speaker Weighting Using Aspect Model.
IEICE Trans. Inf. Syst.
Seongjun Hahm, Yuichi Ohkawa, Masashi Ito, Motoyuki Suzuki, Akinori Ito, Shozo Makino
2010 J jnl
Speech Recognition under Multiple Noise Environment Based on Multi-Mixture HMM and Weight Optimization by the Aspect Model.
IEICE Trans. Inf. Syst.
Seongjun Hahm, Yuichi Ohkawa, Masashi Ito, Motoyuki Suzuki, Akinori Ito, Shozo Makino
2009 J jnl
A speaker adaptation method for non-native speech using learners' native utterances for computer-assisted language learning systems.
Speech Commun.
Yuichi Ohkawa, Motoyuki Suzuki, Hirokazu Ogasawara, Akinori Ito, Shozo Makino
2004 A conf
Speaker adaptation method for CALL system using bilingual speakers' utterances.
INTERSPEECH
Motoyuki Suzuki, Hirokazu Ogasawara, Akinori Ito, Yuichi Ohkawa, Shozo Makino
2003 A conf
An optimized multi-duration HMM for spontaneous speech recognition.
INTERSPEECH
Yuichi Ohkawa, Akihiro Yoshida, Motoyuki Suzuki, Akinori Ito, Shozo Makino