Publications

Yusuke Fujita, Tetsuji Ogawa, Tetsunori Kobayashi, ``Self-conditioning via intermediate predictions for end-to-end neural speaker dialization,'' IEEE Access, vol. 11, pp. 140069-140076, Dec. 2023. [DOI] [Scopus]

Koki Madono, Masayuki Tanaka, Masaki Onishi, Tetsuji Ogawa, ``SIA-GAN: Scrambling inversion attack using generative adversarial network,'' IEEE Access, vol.9, pp.129385-129393, 2021. [DOI] [Scopus] 

Naohiro Tawara, Atsunori Ogawa, Tomoharu Iwata, Hiroto Ashikawa, Tetsunori Kobayashi, Tetsuji Ogawa, ``Multi-source domain generalization using domain attributes for recurrent neural network language models,'' IEICE Trans. Inf. & Syst., vol.E105-D, no.1, pp.150-160, Jan. 2022. [DOI] [Scopus] 

Sara Ashry, Tetsuji Ogawa, Walid Gomaa, ``CHARM-Deep: Continuous Human Activity Recognition Model Based on Deep Neural Network using IMU Sensors of Smartwatch,'' IEEE Sensors Journal, vol.20, no.15, pp.8757-8770, Aug. 2020. [DOI] [Scopus]

Essam Algizawy, Tetsuji Ogawa, Ahmed Elmahdy, ``Real-time large-scale map matching using mobile phone data,’’ ACM Trans. Knowl. Discov. Data, vol.11, no.4, Aug. 2017. [DOI] [Scopus]

Motoi Omachi, Tetsuji Ogawa, Tetsunori Kobayashi, ``Associative memory model-based linear filtering and its application to tandem connectionist blind source separation,’’ IEEE Trans. Acoust. Speech Lang. Process., vol.25, no.3, pp.637-650, March 2017. [DOI] [Scopus]

Naohiro Tawara, Tetsuji Ogawa, Shinji Watanabe, Tetsunori Kobayashi, ``Nested Gibbs sampling for mixture-of-mixture model and its application to speaker clustering,’’ APSIPA Trans. Signal & Infor. Process., vol.5, Aug. 2016. [DOI]

Naohiro Tawara, Tetsuji Ogawa, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi, ``A sampling-based speaker clustering using utterance-oriented Dirichlet process mixture model and its evaluation on large-scale data,’’ APSIPA Trans. Signal & Info. Process., vol.4, Oct. 2015. [DOI] [Scopus]

Takahiro Fukumori, Takanobu Nishiura, Masato Nakayama, Yuki Denda, Norihide Kitaoka, Takeshi Yamada, Kazumasa Yamamoto, Satoru Tsuge, Masakiyo Fujimoto, Tetsuya Takiguchi, Chiyomi Miyajima, Satoshi Tamura, Tetsuji Ogawa, Shigeki Matsuda, Shingo Kuroiwa, Kazuya Takeda, and Satoshi Nakamura, ``CENSREC-4: An evaluation framework for distant-talking speech recognition under reverberant environments,’’ Acoust. Sci., & Tech., vol.32, no.5, pp.201-210, Sept. 2011. [DOI] [Scopus]

Tetsuji Ogawa, Kazuya Ueki, and Tetsunori Kobayashi, ``Class-distance-based discriminant analysis and its application to supervised automatic age estimation,’’ IEICE Trans. Inf. & Syst., vol.E94-D, no.8, pp.1683-1689, Aug. 2011. [IEICE] [Scopus]

Tetsuji Ogawa, Shintaro Takada, Kenzo Akagiri, and Tetsunori Kobayashi, ``Speech enhancement using a square microphone array in the presence of directional and diffuse noise,’’ IEICE Trans. Fundamentals, vol.E93-EA, no.5, pp.926-935, May 2010. [IEICE] [Scopus]

Tetsuji Ogawa, Tetsunori Kobayashi, ``Influence of Lombard effect: accuracy analysis of simulation-based assessments of noisy speech recognition systems for various recognition conditions,’’ IEICE Trans. Inf. & Syst., vol.E92-D, no.11, pp.2244-2252, Nov. 2009. [IEICE] [Scopus]

Norihide Kitaoka, Takeshi Yamada, Satoru Tsuge, Chiyomi Miyajima, Kazumasa Yamamoto, Takanobu Nishiura, Masato Nakayama, Yuki Denda, Masakiyo Fujimoto, Tetsuya Takiguchi, Satoshi Tamura, Shigeki Matsuda, Tetsuji Ogawa, Shingo Kuroiwa, Kazuya Takeda, Satoshi Nakamura, ``CENSREC-1-C: An evaluation framework for voice activity detection under noisy environments,’’ Acoust. Sci., & Tech., vol.30, no.5, pp.363-371, Aug. 2009. [DOI] [Scopus]

Naoya Mochiki, Tetsuji Ogawa, Tetsunori Kobayashi, ``Ears of the robot: direction of arrival estimation based on pattern recognition using robot-mounted microphones,’’ IEICE Trans. Inf., & Syst., vol.E91-D, no.5, pp.1522-1530, May 2008. [IEICE] [Scopus]

Naoya Mochiki, Tetsuji Ogawa, and T. Kobayashi, ``Ears of the robot: Three simultaneous speech segregation and recognition using robot-mounted microphones,’’ IEICE Trans. Inf., & Syst., vol.E90-D, no.9, pp.1465-1468, Sept. 2007. [IEICE] [Scopus]

Kei Nakajima, Yasushi Ejiri, Shinya Fujie, Tetsuji Ogawa, Yosuke Matsusaka, Tetsunori Kobayashi, ``Head gesture recognition for the moving conversation robot,’’ IEICE Trans. Inf., & Syst., vol.J89-D, no.7, pp.1514-1522, July 2006. (in Japanese) [IEICE]

Tetsuji Ogawa, Tetsunori Kobayashi, ``Genetic algorithm based optimization of partly hidden Markov model structure using discriminative criterion,’’ IEICE Trans. Inf., & Syst., vol.E89-D, no.3, pp.939-945, March 2006. [IEICE] [Scopus]

Tetsuji Ogawa, Tetsunori Kobayashi, ``An extension of the state-observation dependency in partly hidden Markov models and its application to continuous speech recognition,’’ Systems and Computers in Japan, Wiley, vol.36, no.8, pp.31-39, July 2005. [DOI] [Scopus]

Yosuke Sato, Tetsuji Ogawa, Tetsunori Kobayashi, ``Extension of hidden Markov models for multiple candidates and its application to gesture recognition,’’ IEICE Trans. Inf., & Syst., vol.E88-D, no.6, pp.1239-1247, June 2005. [IEICE] [Scopus]

Tetsuji Ogawa, Tetsunori Kobayashi, ``Extension of state-observation dependency in partly-hidden Markov models and its application to continuous speech recognition,'' IEICE Trans. Inf., & Syst., vol.J87-D-II, no.6, pp.1216-1223, June 2004. (in Japanese) [IEICE]

1. Michihiro Nakata, Sawa Ohyoshi, Teppei Nakano, Tetsuji Ogawa, ``Construction of individual tracking dataset for developing foundational models in calving sign monitoring for beef cattle,'' Proc. The 11th European Conference on Precision Livestock Farming (ECPLF2024), pp.XXX-XXX, Sept. 2024. (to appear)

2. Tomoki Ariga, Yosuke Higuchi, Kazutoshi Hayasaka, Naoki Okamoto, Tetsuji Ogawa, ``Parody detection using source-target attention with teacher-forced lyrics,'' Proc. 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2024), pp.XXX-XXX, April 2024. (to appear)

3. Kohei Saijo, Wangyou Zhang, Zhong-Qiu Wang, Shinji Watanabe, Tetsunori Kobayashi, Tetsuji Ogawa, ``A single speech enhancement model unifying dereverberation, denoising, speaker counting, separation, and extraction,'' Proc. 2023 IEEE Automatic Speech Recognition and Understanding Workshop (ASRU2023), pp.1-6, Dec. 2023. [DOI] [Scopus]

4. Taiki Inoue, Jun Ogata, Makoto Iida, Tetsuji Ogawa, ``Learning discriminative feature representation via metric learning for early operation of wind turbine anomaly detection systems,'' Proc. 22nd International Conference on Machine Learning and Applications (ICMLA2023), pp.1292-1297, Dec. 2023. [DOI]

5. Ahmed Hammad Azab, Ahmed Bayoumi Zaki, Tetsuji Ogawa, Walid Gomaa, ``Masry: A text-to-speech system for the Egyptian Arabic,'' Proc. 20th International Conference on Informatics in Control, Automation, and Robotics (ICINCO2023), pp.219-226, Nov. 2023. [DOI] [Scopus]

6. Rami Zewail, Jacob Leonard, Tetsuji Ogawa, Samir El-Sagheer, ``Lightweight multiscale attention-aware method for semantic segmentation of urban structural buildings in drone aerial imagery,'' Proc. 2023 International Mobile, Intelligent, and Ubiquitous Computing Conference (MIUCC2023), pp.338-344, Sept. 2023. [DOI] [Scopus]

7. Tomoki Ariga, Yosuke Higuchi, Mitsunori Kanno, Rie Shigyo, Takato Mizuguchi, Naoki Okamoto, Tetsuji Ogawa, ``Spotting parodies: Detecting alignment collapse between lyrics and singing voice,'' Proc. the 31st European Signal Processing Conference (EUSIPCO2023), pp.286-290, Sept. 2023. [DOI] [Scopus]

8. Yuta Ide, Naohiro Tawara, Susumu Saito, Teppei Nakano, Tetsuji Ogawa, ``Voice or Content? --- Exploring impact of speech content on age estimation from voice,'' Proc. the 31st European Signal Processing Conference (EUSIPCO2023), pp.221-225, Sept. 2023. [DOI] [Scopus]

9. Huaibo Zhao, Yosuke Higuchi, Yusuke Kida, Tetsuji Ogawa, Tetsunori Kobayashi, ``Mask-CTC-based encoder pre-training for streaming end-to-end speech recognition,'' Proc. the 31st European Signal Processing Conference (EUSIPCO2023), pp.56-60, Sept. 2023. [DOI] [Scopus]

10. Kohei Saijo, Tetsuji Ogawa, ``Remixing-based unsupervised source separation from scratch,'' Proc. The 24th Annual Conference of the International Speech Communication Association (INTERSPEECH2023), pp.1678-1682, Aug. 2023. [DOI] [Scopus]

11. Fatma Youssef, Ahmed El-Mahdy, Tetsuji Ogawa, Walid Gomaa, ``Thermal gait dataset for deep learning-oriented gait recognition,'' Proc. 2023 International Joint Conference on Neural Networks (IJCNN2023), pp.1-8, June 2023. [DOI] [Scopus]

12. Yosuke Higuchi, Tetsuji Ogawa, Tetsunori Kobayashi, Shinji Watanabe, ``InterMPL: Momentum pseudo-labeling with intermediate CTC loss,'' Proc. 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2023), June 2023. [DOI] [Scopus]

13. Yosuke Higuchi, Tetsuji Ogawa, Tetsunori Kobayashi, Shinji Watanabe, ``BECTRA: Transducer-based end-to-end ASR with BERT-enhanced encoder,'' Proc. 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2023), June 2023. [DOI] [Scopus]

14. Huaibo Zhao, Shinya Fujie, Tetsuji Ogawa, Jin Sakuma, Yusuke Kida, Tetsunori Kobayashi, ``Conversation-oriented ASR with multi-look-ahead CBS architecture,'' Proc. 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2023), June 2023. [DOI] [Scopus]

15. Kohei Saijo, Tetsuji Ogawa, ``Self-Remixing: Unsupervised speech separation via separation and remixing,'' Proc. 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2023), June 2023. [DOI] [Scopus]

16. Yusuke Fujita, Tatsuya Komatsu, Robin Scheibler, Yusuke Kida, Tetsuji Ogawa, ``Neural diarization with non-autoregressive intermediate attractor,'' Proc. 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2023), June 2023. [DOI] [Scopus]

17. Haruki Konii, Teppei Nakano, Yasumasa Miyazawa, Tetsuji Ogawa, ``Narrow down forecast range: Using knowledge of past operations and attribute-dependent thresholding in good fishing ground prediction,'' Proc. MTS/IEEE OCEANS 2023 Limerick Conference and Exhibit (OCEANS2023), June 2023. [DOI] [Scopus]

18. Jacob Herman, Rami Zewail, Tetsuji Ogawa, Samir El-Sagheer, ``A lightweight transfer learning-based model for building classification in aerial imagery,'' Proc. 15th International Conference on Computer Research and Development (ICCRD 2023), pp.181-186, Jan. 2023. [DOI] [Scopus]

19. Ryo Yanagisawa, Susumu Saito, Teppei Nakano, Tetsunori Kobayashi, Tetsuji Ogawa, ``PostMe: Unsupervised Dynamic Microtask Posting For Efficient and Reliable Crowdsourcing,'' Proc. The 2022 IEEE International Conference on Big Data Workshop HMData 2022, pp.4039-4044, Dec. 2022. [DOI] [Scopus]

20. Yosuke Higuchi, Brian Yan, Siddhant Arora, Tetsuji Ogawa, Tetsunori Kobayashi, Shinji Watanabe, ``BERT Meets CTC: New Formulation of End-to-End Speech Recognition with Pre-trained Masked Language Model,'' Proc.  The 2022 Conference on Empirical Methods in Natural Language Processing (EMNLP2022), Dec. 2022. [URL] [Scopus]

21. Riku Ogino, Kohei Saijo, Tetsuji Ogawa, ``Design of discriminators in GAN-based unsupervised learning of neural post-processors for suppressing localized spectral distortion,''  Proc. Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2022 (APSIPA2022), pp.969-975, Nov. 2022. [DOI] [Scopus]

22. Moe Yaegashi, Susumu Saito, Teppei Nakano, Tetsuji Ogawa, ``Do you know how humans sound? Exploring a qualification test design for crowdsourced evaluation of voice synthesis quality,'' Proc. Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2022 (APSIPA2022), pp.980-985, Nov. 2022. [DOI] [Scopus]

23. Ryuki Matsuura, Mao Saeki, Shungo Suzuki, Tetsuji Ogawa, Yoichi Matsuyama, ``Refinement of utterance fluency feature extraction and automated scoring of L2 oral fluency with dialogic features,'' Proc. Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2022 (APSIPA2022), pp.1309-1317, Nov. 2022. [DOI] [Scopus]

24. Kohei Saijo, Tetsuji Ogawa, ``Unsupervised training of sequential neural beamformer using coarsely-separated and non-separated signals,'' Proc. The 23rd Annual Conference of the International Speech Communication Association (INTERSPEECH2022), Sept. 2022. [DOI] [Scopus]

25. Yuta Ide, Susumu Saito, Teppei Nakano, Tetsuji Ogawa, ``Can humans correct errors from system? Investigating error tendencies in speaker identification using crowdsourcing,'' Proc. The 23rd Annual Conference of the International Speech Communication Association (INTERSPEECH2022), Sept. 2022. [DOI] [Scopus]

26. Mao Saeki, Kotoka Miyagi, Shinya Fujie, Shungo Suzuki, Tetsuji Ogawa, Tetsunori Kobayashi, Yoichi Matsuyama, ``Confusion detection for adaptive conversational strategies of an oral proficiency assessment interview agent,'' Proc. The 23rd Annual Conference of the International Speech Communication Association (INTERSPEECH2022), Sept. 2022. [DOI] [Scopus]

27. Hiroaki Sato, Tomoyasu Komori, Takeshi Mishima, Yoshihiko Kawai, Takahiro Mochizuki, Shoei Sato, Tetsuji Ogawa, ``Text-only domain adaptation based on intermediate CTC,''  Proc. The 23rd Annual Conference of the International Speech Communication Association (INTERSPEECH2022), Sept. 2022. [DOI] [Scopus]

28. Yosuke Higuchi, Keita Karube, Tetsuji Ogawa, Tetsunori Kobayashi, ``Hierarchical conditional end-to-end ASR with CTC and multi-granular subword units,'' Proc. 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2022), pp.7797-7801, May 2022. [DOI] [Scopus]

29. Kohei Saijo, Tetsuji Ogawa, ``Remix-cycle-consistent learning on adversarially learned separator for accurate and stable unsupervised speech separation,''  Proc. 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2022), pp.4373-4377, May 2022.  [DOI] [Scopus]

30. Riko Tanaka, Teppei Nakano, Tetsuji Ogawa, ``Sequential fish catch counter using vision-based fish detection and tracking,'' Proc. MTS/IEEE OCEANS 2022 Chennai Conference and Exhibit (OCEANS2022), Feb. 2022.  [DOI] [Scopus]

31. Yuka Horiuchi, Teppei Nakano, Yasumasa Miyazawa, Tetsuji Ogawa, ``Inlier modeling-based good fishing ground detection for efficient bullet tuna trolling using meteorological and oceanographic Information,'' Proc. MTS/IEEE OCEANS 2022 Chennai Conference and Exhibit (OCEANS2022), Feb. 2022. [DOI] [Scopus]

32. Kohei Saijo, Kazuhiro Katagiri, Masaru Fujieda, Tetsunori Kobayashi, Tetsuji Ogawa, ``Comparative study on DNN-based minimum variance beamforming robust to small movements of sound sources,'' Proc. Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2021 (APSIPA2021), pp.603-607, Dec. 2021. [URL] [Scopus]

33. Huaibo Zhao, Yosuke Higuchi, Tetsuji Ogawa, Tetsunori Kobayashi, ``An investigation of enhancing CTC model for triggered attention-based streaming ASR,'' Proc. Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2021 (APSIPA2021), pp.477-483, Dec. 2021. [URL] [Scopus]

34. Susumu Saito, Yuta Ide, Teppei Nakano, Tetsuji Ogawa, ``VocalTurk: Exploring feasibility of crowdsourced speaker identification,'' Proc.  The 22th Annual Conference of the International Speech Communication Association (INTERSPEECH2021), pp.1723-1727, Aug. 2021. [DOI] [Scopus]

35. Yu Nakagome, Masahito Togami, Tetsuji Ogawa, Tetsunori Kobayashi, ``Efficient and stable adversarial learning using unpaired data for unsupervised multichannel speech separation,'' Proc.  The 22th Annual Conference of the International Speech Communication Association (INTERSPEECH2021), pp.3051-3055, Aug. 2021. [DOI] [Scopus]

36. Yosuke Higuchi, Hirofumi Inaguma, Shinji Watanabe, Tetsuji Ogawa, Tetsunori Kobayashi, ``Improved Mask-CTC for non-autoregressive end-to-end ASR,''  Proc. 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2021), pp.8363-8367, June 2021. [DOI] [Scopus]

37. Mao Saeki, Yoichi Matsuyama, Satoshi Kobashikawa, Tetsuji Ogawa, Tetsunori Kobayashi, ``Analysis of multimodal features for speaking proficiency scoring in an interview dialogue,'' Proc. The 8th IEEE Spoken Language Technology Workshop (SLT2021), pp.629-635, Jan. 2021. [DOI] [Scopus]

38. Koki Madono, Masayuki Tanaka, Masaki Onishi, Tetsuji Ogawa, ``Scrambling Parameter Generation to Improve Perceptual Information Hiding,'' Proc. IS&T Conference on Human Vision and Electronic Imaging (HVEI2021), Jan. 2021. [DOI] [Scopus]

39. Ryosuke Hyodo, Teppei Nakano, Tetsuji Ogawa, ``Feature Representation Learning for Calving Detection of Cows Using Video Frames,'' Proc. 25th International Conference on Pattern Recognition (ICPR2020), pp.4131-4136, Jan. 2021. [DOI] [Scopus]

40. Yusuke Okimoto, Soshi Kawata, Susumu Saito, Nakano Teppei, Tetsuji Ogawa, ``Crowdsourced verification for operating calving surveillance systems at an early stage,'' Proc. 25th International Conference on Pattern Recognition (ICPR2020), pp.4356-4362, Jan. 2021. [DOI] [Scopus]

41. Yuriko Kawano, Susumu Saito, Teppei Nakano, Ikumi Kondo, Ryota Yamazaki, Hiromi Kusaka, Minoru Sakaguchi, Tetsuji Ogawa, ``Toward building a data-driven system for detecting mounting actions of black beef cattle,'' Proc. 25th International Conference on Pattern Recognition (ICPR2020), pp.4458-4464, Jan. 2021. [DOI] [Scopus]

42. Yosuke Higuchi, Naohiro Tawara, Atsunori Ogawa, Tomoharu Iwata, Tetsunori Kobayashi, Tetsuji Ogawa, ``Noise-robust attention learning for end-to-end speech recognition,'' Proc. The 2020 28th European Signal Processing Conference (EUSIPCO2020), pp.311-315, Jan. 2021. [DOI] [Scopus]

43. Takuya Hasumi, Tetsunori Kobayashi, Tetsuji Ogawa, ``Investigation on network architecture for single-channel end-to-end denoising,'' Proc. The 2020 28th European Signal Processing Conference (EUSIPCO2020), pp.441-445, Jan. 2021. [DOI] [Scopus]

44. Hikari Tanabe, Tetsuji Ogawa, Tetsunori Kobayashi, Yoshihiko Hayashi, ``Exploiting narrative context and a priori knowledge of categories in textual emotion classification,'' The 28th International Conference on Computational Linguistics (COLING2020), pp.5535-5540, Dec. 2020. [URL]

45. Koki Madono, Teppei Nakano, Tetsunori Kobayashi, Tetsuji Ogawa, ``Efficient human-in-the-loop object detection using bi-directional deep SORT and annotation-free segment identification,'' Proc. Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2020 (APSIPA2020), pp.1226-1233, Dec. 2020. [PDF] [Scopus]

46. Yu Nakagome, Masahito Togami, Tetsuji Ogawa, Tetsunori Kobayashi, ``Mentoring-reverse mentoring for unsupervised multi-channel speech source separation,'' Proc. The 21th Annual Conference of the International Speech Communication Association (INTERSPEECH2020), pp.86-90, Oct. 2020. [DOI] [Scopus]

47. Yosuke Higuchi, Shinji Watanabe, Nanxin Chen, Tetsuji Ogawa, Tetsunori Kobayashi, ``Mask CTC: Non-autoregressive end-to-end ASR with CTC and mask predict,'' Proc. The 21th Annual Conference of the International Speech Communication Association (INTERSPEECH2020), pp.3655-3659, Oct. 2020. [DOI] [Scopus]

48. Masaya Morinaga, Susumu Saito, Teppei Nakano, Tetsunori Kobayashi, Tetsuji Ogawa, ``Exploring Effectiveness of Inter-Microtask Qualification Tests in Crowdsourcing,'' Proc. The 8th AAAI Conference on Human Computation and Crowdsourcing (HCOMP2020), Works-In-Progress and Demonstration Papers, Oct. 2020. [arXiv]

49. Ryosuke Hyodo, Teppei Nakano, Tetsuji Ogawa, ``Data-driven feature extraction for calving sign detection in Japanese black beef cattle using video frames,'' The 2nd Asian Conference on Precision Livestock Farming (ACPLF2020), pp.323-332, Oct. 2020.

50. Soshi Kawata, Teppei Nakano, Tetsuji Ogawa, ``Attention network learning for robust detection of allantochorion and fetal membrane of Japanese black beef cattle,'' The 2nd Asian Conference on Presision Livestock Farming (ACPLF2020), pp.333-340, Oct. 2020.

51. Yuriko Kawano, Susumu Saito, Teppei Nakano, Ikumi Kondo, Ryota Yamazaki, Hitomi Kusaka, Minoru Sakaguchi, Tetsuji Ogawa, ``Crowd-sourced development of image dataset for detecting mounting actions of black beef cattle,'' The 2nd Asian Conference on Presision Livestock Farming (ACPLF2020), pp.341-351, Oct. 2020.

52. Yu Nakagome, Masahito Togami, Tetsuji Ogawa, Tetsunori Kobayashi, ``Deep speech extraction with time-varying spatial filtering guided by desired direction attractor,'' Proc. 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2020), pp.671-675, May 2020. [DOI] [Scopus]

53. Naohiro Tawara, Atsunori Ogawa, Tomoharu Iwata, Marc Delcroix, Tetsuji Ogawa, ``Frame-level phoneme-invariant speaker embedding for text-independent speaker recognition on extremely short utterances,'' Proc. 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2020), pp.6799-6803, May 2020. [DOI] [Scopus]

54. Koki Madono, Masayuki Tanaka, Masaki Onishi, Tetsuji Ogawa, ``Block-wise scrambled image recognition using adaptation network,'' AAAI-20 Workshop on Artificial Intelligence of Things, Feb. 2020. [arXiv]

55. Hiroaki Tsuyuki, Tetsuji Ogawa, Tetsunori Kobayashi, Yoshihiko Hayashi, ``SemSeq: A regime for training widely-applicable word-sequence encoders,'' Proc. 16th International Conference of the Pacific Association for Computational Linguistics (PACLING2019), Oct. 2019. (published in Communications in Computer and Information Science, vol. 1215, pp.43-55) [DOI] [Scopus]

56. Naohiro Tawara, Tetsunori Kobayashi, Tetsuji Ogawa, ``Multi-channel speech enhancement using time-domain convolutional denoising autoencoder,'' Proc. The 20th Annual Conference of the International Speech Communication Association (INTERSPEECH2019), pp.86-90, Sept. 2019. [DOI] [Scopus]

57. Yosuke Higuchi, Naohiro Tawara, Tetsunori Kobayashi, Tetsuji Ogawa, ``Speaker adversarial training of DPGMM-based feature extractor for zero-resource languages,'' Proc. The 20th Annual Conference of the International Speech Communication Association (INTERSPEECH2019), pp.266-270, Sept. 2019. [DOI] [Scopus]

58. Takanori Hasegawa, Mao Saeki, Tetsuji Ogawa, Teppei Nakano, ``Vibration-Based Fault Detection for Flywheel Condition Monitoring,'' Procedia Structural Integrity, vol.17, pp.487-494, 2019 (3rd International Conference on Structural Integrity, ICSI2019, 2-5 Sept. 2019). [DOI] [Scopus]

59. Ryosuke Hyodo, Saki Yasuda, Yusuke Okimoto, Susumu Saito, Teppei Nakano, Makoto Akanabe, Tetsunori Kobayashi, Tetsuji Ogawa, ``Two-stage calving prediction system: Exploiting state-based information relevant to calving signs in Japanese black beef cows,'' Proc. The 9th European Conference on Precision Livestock Farming (ECPLF2019), pp.670-676, Aug. 2019. [Scopus]

60. Kazuma Sugawara, Susumu Saito, Teppei Nakano, Makoto Akanabe, Tetsunori Kobayashi, Tetsuji Ogawa, ``Calving prediction from video: Exploiting behavioural information relevant to calving signs in Japanese black beef cows,'' Proc. The 9th European Conference on Precision Livestock Farming (ECPLF2019), pp.663-669, Aug. 2019. [Scopus]

61. Mao Saeki, Jun Ogata, Masahiro Murakawa, Tetsuji Ogawa, ``Visual explanation of neural network based rotation machinery anomaly detection system,'' Proc. 2019 IEEE International Conference on Prognostics and Health Management (ICPHM2019), June 2019. [DOI] [Scopus]

62. Yuya Kokaki, Tetsunori Kobayashi, Tetsuji Ogawa, ``Psychological measure on fish catches and its application to optimization criterion for machine learning based predictors,'' Proc. MTS/IEEE OCEANS 2019 Marseille Conference and Exhibit (OCEANS2019), June 2019. [DOI] [Scopus]

63. Yuka Horiuchi, Yuya Kokaki, Tetsunori Kobayashi, Tetsuji Ogawa, ``Data assimilation versus machine learning: Comparative study of fish catch forecasting,'' Proc. MTS/IEEE OCEANS 2019 Marseille Conference and Exhibit (OCEANS2019), June 2019. [DOI] [Scopus]

64. Naohiro Tawara, Hikari Tanabe, Tetsunori Kobayashi, Masaru Fujieda, Kazuhiro Katagiri, Takashi Yazu, Tetsuji Ogawa, ``Postfiltering using an adversarial denoising autoencoder with noise-aware training,'' Proc. ICASSP2019, pp.3282-3286, May 2019. [DOI] [Scopus]

65. Naohiro Tawara, Tetsunori Kobayashi, Masaru Fujieda, Kazuhiro Katagiri, Takashi Yazu, Tetsuji Ogawa, ``Adversarial autoencoder for reducing nonlinear distortion,'' Proc. APSIPA2018, pp.1669-1673, Nov. 2018. [DOI] [Scopus]

66. Kesaaki Menemura, Tetsuji Ogawa, Tetsunori Kobayashi, ``Acoustic feature representation based on timbre for fault detection of rotary machines,'' Proc. SDPC2018, pp.302-305, Aug. 2018. [DOI] [Scopus]

67. Yuya Kokaki, Naohiro Tawara, Tetsunori Kobayashi, Kazuo Hashimoto, Tetsuji Ogawa, ``Sequential fish catch forecasting using Bayesian state space models,’’ Proc. ICPR2018, pp.776-781, Aug. 2018. [DOI] [Scopus]

68. Takanori Hasegawa, Jun Ogata, Masahiro Murakawa, Tetsuji Ogawa, ``Tandem connectionist anomaly detection: Use of faulty vibration signals in feature representation learning,’’ Proc. ICPHM2018, pp.1-7, June 2018. [DOI] [Scopus]

69. Tsuyoshi Morioka, Naohiro Tawara, Tetsuji Ogawa, Atsunori Ogawa, Tomoharu Iwata, Tetsunori Kobayashi, ``Language model domain adaptation via recurrent neural network with domain-shared and domain-specific representations,’’ Proc. ICASSP2018, pp.6084-6088, April 2018. [DOI] [Scopus]

70. Taira Tsuchiya, Naohiro Tawara, Tetsunori Kobayashi, Tetsuji Ogawa, ``Speaker invariant feature extraction for zero-resource languages with adversarial training,’’ Proc. ICASSP2018, pp.2381-2385, April 2018. [DOI] [Scopus]

71. Hiroto Ashikawa, Naohiro Tawara, Asunori Ogawa, Tomoharu Iwata, Tetsunori Kobayashi, Tetsuji Ogawa, ``Exploiting end of sentences and speaker alternations in recurrent neural network-based language modeling for multiparty conversations,'' Proc. APSIPA2017, Dec. 2017. [DOI] [Scopus] [Poster Book Prizes]

72. Takanori Hasegawa, Jun Ogata, Masahiro Murakawa, Tetsunori Kobayashi, Tetsuji Ogawa, ``Adaptive training of vibration-based anomaly detector for wind turbine condition monitoring,’’ Proc. Annual Conference on PHM Society, pp.177-184, Oct. 2017. [phm]

73. Tetsuji Ogawa, Harish Mallidi, Emmanuel Dupoux, Jordan Cohen, Naomi Feldman, Hynek Hermansky, ``A new efficient measure for accuracy prediction and its application to multistream-based unsupervised adaptation,’’ Proc. ICPR2016, pp.2222-2227, Dec. 2016. [DOI] [Scopus]

74. Kotaro Kikuchi, Kazuya Ueki, Tetsuji Ogawa, Tetsunori Kobayashi, ``Video semantic indexing using object detection derived features,’’ Proc. EUSIPCO2016, pp.1288-1292, Aug. 2016. [DOI] [Scopus]

75. Sri Harish Mallidi, Tetsuji Ogawa, Hynek Hermansky, ``Uncertainty estimation of DNN classifiers,’’ Proc. ASRU2015, pp.283-288, Dec. 2015. [DOI] [Scopus]

76. Tetsuji Ogawa, Kenshiro Ueda, Kouichi Katsurada, Tetsunori Kobayashi, Tsuneo Nitta, ``Bilinear map of filter-bank outputs for DNN-based speech recognition,’’ Proc. INTERSPEECH2015, pp.16-20, Sept. 2015. [ISCA Archive] [Scopus]

77. Sri Harish Mallidi, Tetsuji Ogawa, Karel Vesely, Phani Nidadavolu, Hynek Hermansky, ``Autoencoder based multi-stream combination for noise robust speech recognition,’’ Proc. INTERSPEECH2015, pp.3551-3555, Sept. 2015. [ISCA Archive] [Scopus]

78. Motoi Omachi, Tetsuji Ogawa, Tetsunori Kobayashi, Masaru Fujieda, Kazuhiro Katagiri, ``Blind source separation using associative memory model and linear separation filter,’’ Proc. EUSIPCO2015, pp.1103-1107, Sept. 2015. [DOI] [Scopus]

79. Kesaaki Minemura, Tetsuji Ogawa, Tetsunori Kobayashi, ``Feature extraction for rotary-machine acoustic diagnostics focused on period,’’ Proc. INTERNOISE2015, Aug. 2015. [Scopus]

80. Naohiro Tawara, Tetsuji Ogawa, Tetsunori Kobayashi, ``A comparative study of spectral clustering for i-vector-based speaker clustering under noisy conditions,’’ Proc. ICASSP2015, pp.2041-2045, April 2015. [DOI] [Scopus]

81. Hynek Hermansky, Lukas Burget, Jordan Cohen, Emmanuel Dupoux Naomi Feldman, John Godfrey, Sanjeev Khudanpur, Matthew Maciejewski, Sri Harish Mallidi, Anjali Menon, Tetsuji Ogawa, Vijayaditya Peddinti, Richard Rose, Richard Stern, Matthew Wiesner, Karel Vesely, ``Towards machines that know when they do not know: Summary of work done at 2014 Frederick Jelinek Memorial workshop,’’ Proc. ICASSP2015, pp.5009-5013, April 2015. [DOI] [Scopus]

82. Yuichi Kubota, Motoi Omachi, Tetsuji Ogawa, Tetsunori Kobayashi, Tsuneo Nitta, ``Effect of frequency weighting on MLP-based speaker canonicalization,’’ Proc. Interspeech2014, pp.2987-2991, Sept. 2014. [ISCA Archive] [Scopus]

83. Walaa Gouda, Walid Gomaa, Tetsuji Ogawa, ``Vision based SLAM for humanoid robots: A survey,’’ Proc. JEC-ECC2013, pp.170-175, Dec. 2013. [DOI] [Scopus]

84. Hideitsu Hino, Tetsuji Ogawa, ``Integration of MKL-based and i-vector-based speaker verification by short utterances,’’ Proc. ACPR2013, pp.562-566, Nov. 2013. [DOI] [Scopus]

85. Naohiro Tawara, Tetsuji Ogawa, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi, ``Blocked Gibbs sampling based multi-scale mixture model for speaker clustering on noisy data,’’ Proc. MLSP2013, Sept. 2013. [DOI] [Scopus]

86. Tetsuji Ogawa, Feipeng Li, Hynek Hermansky, ``Stream selection and integration in multistream ASR using GMM-based performance monitoring,’’ Proc. Interspeech2013, pp.3332-3336, Aug. 2013. [ISCA Archive] [Scopus]

87. Hideitsu Hino, Tetsuji Ogawa, ``An improved entropy-based multiple kernel learning,’’ Proc. ICPR2012, pp.1189-1192, Nov. 2012. [IEEE Xplore] [Scopus]

88. Naohiro Tawara, Tetsuji Ogawa, Shinji Watanabe, Atsushi Nakamura, Tetsunori Kobayashi, ``Fully Bayesian speaker clustering based on hierarchically structured utterance-oriented Dirichlet process mixture model,’’ Proc. Interspeech2012, Sept. 2012. [ISCA Archive] [Scopus]

89. Naohiro Tawara, Tetsuji Ogawa, Shinji Watanabe, Tetsunori Kobayashi, ``Fully Bayesian inference of multi-mixture Gaussian model and its evaluation using speaker clustering,’’ Proc. ICASSP2012, pp.5253-5256, March 2012. [DOI] [Scopus]

90. Tetsuji Ogawa, Hideitsu Hino, Noboru Murata, Tetsunori Kobayashi, ``Speaker verification robust to intra-speaker variation using multiple kernel learning based on conditional entropy minimization,’’ Proc. Interspeech2011, pp.2741-2744, Aug. 2011. [ISCA Archive] [Scopus]

91. Nobuaki Tanaka, Tetsuji Ogawa, Tetsunori Kobayashi, ``Spatial filter calibration based on minimization of modified LSD,’’ Proc. Interspeech2011, pp.1761-1764, Aug. 2011. [ISCA Archive] [Scopus]

92. Naohiro Tawara, Shinji Watanabe, Tetsuji Ogawa, Tetsunori Kobayashi, ``Speaker clustering based on utterance-oriented Dirichelet process mixture model,’’ Proc. Interspeech2011, pp.2905-2908, Aug. 2011. [ISCA Archive] [Scopus]

93. Tetsuji Ogawa, Hideitsu Hino, Nima Reyhani, Noboru Murata, Tetsunori Kobayashi, ``Speaker recognition using multiple kernel learning based on conditional entropy minimization,’’ Proc. ICASSP2011, pp.2204-2207, May 2011. [DOI] [Scopus]

94. Satoshi Tamura, Chiyomi Miyajima, Norihide Kitaoka, Takeshi Yamada, Satoru Tsuge, Tetsuya Takiguchi, Kazumasa Yamamoto, Takanobu Nishiura, Masato Nakayama, Yuki Denda, Masakiyo Fujimoto, Shigeki Matsuda, Tetsuji Ogawa, Shingo Kuroiwa, Kazuya Takeda, Satoshi Nakamura, ``CENSREC-1-AV: An audio-visual corpus for noisy bimodal speech recognition,’’ Proc. AVSP2010, Sept. 2010. [ISCA Archive]

95. Nobuaki Tanaka, Tetsuji Ogawa, Tetsunori Kobayashi, ``Development of zonal beamformer and its application to robot audition,’’ Proc. EUSIPCO2010, Aug. 2010. [IEEE Xplore] [Scopus]

96. Kosuke Hosoya, Tetsuji Ogawa, Tetsunori Kobayashi, ``Robot auditory system using head-mounted square microphone array,’’ Proc. IROS2009, pp.2736-2741, Oct. 2009. [DOI] [Scopus]

97. Tetsuji Ogawa, Kosuke Hosoya, Kenzo Akagiri, Tetsunori Kobayashi, ``Direction-of-arrival estimation under noisy condition using four-line omni-directional microphones mounted on a robot head,’’ Proc. EUSIPCO2009, Aug. 2009. [IEEE Xplore] [Scopus]

98. Kazuya Ueki, Masakazu Miya, Tetsuji Ogawa, Tetsunori Kobayashi, ``Class distance weighted locality preserving projection for automatic age estimation,’’ Proc. BTAS2008, Oct. 2008. [DOI] [Scopus] [Best paper award]

99. Masato Nakayama, Takanobu Nishiura, Yuki Denda, Norihide Kitaoka, Kazumasa Yamamoto, Takeshi Yamada, Satoru Tsuge, Chiyomi Miyajuma, Masakiyo Fujimoto, Tetsuya Takiguchi, Satoshi Tamura, Tetsuji Ogawa, Shigeki Matsuda, Shingo Kuroiwa, Kazuya Takeda, Satoshi Nakamura, ``CENSREC-4: development of evaluation framework for distant-talking speech recognition under reverberant environments,’’ Proc. Interspeech2008, pp.968-971, Sept. 2008. [ISCA Archive] [Scopus]

100. Tetsuji Ogawa, Hirofumi Takeuchi, Shintaro Takada, Kenzo Akagiri, Tetsunori Kobayashi, ``Ears of the robot: noise reduction using four-line ultra-micro omni-directional microphones mounted on a robot head,’’ Proc. EUSIPCO2008, Aug. 2008. [IEEE Xplore] [Scopus]

101. Shintaro Takada, Tetsuji Ogawa, Kenzo Akagiri, Tetsunori Kobayashi, ``Speech enhancement using square microphone array for mobile devices,’’ Proc. ICASSP2008, pp.313-316, April 2008. [DOI] [Scopus]

102. Shintaro Takada, Satoshi Kanba, Tetsuji Ogawa, Kenzo Akagiri, Tetsunori Kobayashi, ``Sound source separation using null-beamforming and spectral subtraction for mobile devices,’’ Proc. WASPAA2007, MP1-04, Oct. 2007. [DOI] [Scopus]

103. Tetsuji Ogawa, Satoshi Kanba, Tetsunori Kobayashi, ``Adequency analysis of simulation-based assessment of speech recognition system,’’ Proc. ICASSP2007, vol.4, pp.1153-1157, April 2007. [DOI] [Scopus]

104. Toshiaki Kubo, Tetsuji Ogawa, Tetsunori Kobayashi, ``Manifold HLDA and its application to robust speech recognition,’’ Proc. Interspeech2006, pp.1551-1554, Sept. 2006. [ISCA Archive] [Scopus]

105. Takashi Isa, Toshiyuki Sekiya, Tetsuji Ogawa, Tetsunori Kobayashi, ``Source separation using multiple directivety patterns produced by ICA-based BSS,’’ Proc. EUSIPCO2006, Sept. 2006. [IEEE Xplore] [Scopus]

106. Takashi Isa, Toshiyuki Sekiya, Tetsuji Ogawa, Tetsunori Kobayashi, ``A method for solving the permutation problem of frequency-domain BSS using reference signal,’’ Proc. EUSIPCO2006, Sept. 2006. [IEEE Xplore] [Scopus]

107. Tetsuji Ogawa, Tetsunori Kobayashi, ``Optimizing the structure of parly-hidden Markov models using weighted likelihood-ratio maximization criterion,’’ Proc. Interspeech2005, pp.3353-3356, Oct. 2005. [ISCA Archive] [Scopus]

108. Takashi Isa, Toshiyuki Sekiya, Tetsuji Ogawa, Tetsunori Kobayashi, ``A method for solving the permutation problem of frequency-domain blind source separation using reference signal,’’ Biennial on DSP for in-Vehicle and Mobile Systems, M2-12, Sept. 2005.

109. Naoya Mochiki, Toshiyuki Sekiya, Tetsuji Ogawa, Tetsunori Kobayashi, ``Recognition of three simultaneous utterance of speech by four-line directivity microphone mounted on head of robot,’’ Proc. ICSLP2004, pp.821-824, Oct. 2004. [ISCA Archive] [Scopus]

110. Toshiyuki Sekiya, Tetsuji Ogawa, Tetsunori Kobayashi, ``Speech recognition of double talk using SAFIA-based audio segregation,’’ Proc. EUROSPEECH2003, pp.1285-1288, Sept. 2003. [ISCA Archive] [Scopus]

111. Tetsuji Ogawa, Tetsunori Kobayashi, ``Hybrid modeling of PHMM and HMM for speech recognition,’’ Proc. ICASSP2003, vol.1, pp.140-143, March 2003. [DOI] [Scopus]

112. Tetsuji Ogawa, Tetsunori Kobayashi, ``Generalization of state observation dependency in partry hidden Markov models,’’ Proc. ICSLP2002, pp.2673-2676, Sept. 2002. [ISCA Archive] [Scopus]

Tetsuji Ogawa, Takanobu Nishiura, Takeshi Yamada, Norihide Kitaoka, and Tetsunori Kobayashi, ``Development and evaluation of Japanese Lombard speech corpus,’’ Proc. the 40th International Congress and Exposition on Noise Control Engineering (INTERNOISE2011), Osaka, Japan, Sept. 2011. [Scopus] [Invited talk in Special Session]

Tetsuji Ogawa, ``Video monitoring for detecting calving signs of breeding cows - How to construct and operate AI systems that enable users to make decisions with conviction? ,'' CSE Research Seminar in E-JUST, E-JUST, Alexandria, Egypt, Dec. 2022. (host: Prof. Walid Gomaa, E-JUST)

Tetsuji Ogawa, ``Robust pattern recognition applications - How to build a system when big-data are not available?,'' CSE Research Seminar in E-JUST, E-JUST, Alexandria, Egypt, Nov. 2019. (host: Prof. Ahmed El-Mahdy, E-JUST)

Tetsuji Ogawa, ``Toward proactive forecasting for smart maintenance of infrastructure equipment and support for primary industry,'' 7th Research Seminar in E-JUST, E-JUST, Alexandria, Egypt, March 2018. [Abstract] (host: Prof. Satoshi Goto, E-JUST)

Tetsuji Ogawa, ``Pattern recognition systems with matacognitive ability - to make systems robust against unknowns,'' CSE Research Seminar in E-JUST, E-JUST, Alexandria, Egypt, Jan. 2017. (host: Prof. Ahmed El-Mahdy, E-JUST)

Kazuya Ueki, Yu Nakagome, Koji Hirakawa, Kotaro Kikuchi, Yoshihiko Hayashi, Tetsuji Ogawa, Tetsunori Kobayashi, ``Waseda Meisei at TRECVID2018: Ad-hoc video search,'' Notebook paper of the TRECVID 2018 Workshop, Gaithersburg, Nov. 2018.

Kazuya Ueki, Koji Hirakawa, Kotara Kikuchi, Tetsuji Ogawa, Tetsunori Kobayashi, ``Waseda Meisei at TRECVID2017: Ad-hoc video search,’’ Notebook paper of the TRECVID 2017 Workshop, Gaithersburg, Nov. 2017. [1st place at TRECVID 2017 Ad-hoc Video Search task]

Ahmed El-Mahdy, Essam Algizawy, Tetsuji Ogawa, Hisham Shishiny, Mohamed Badder, Keiji Kimura, ``High resolution traffic maps generation using cellular big data,’’ NetMob2015, Cambridge, April 2015.

Tetsuji Ogawa, ``Sound source separation system and acoustic signal acquisition device,’’ Leading Edge Japan 2009, New York, March 2009.

Toshiyuki Sekiya, Tomohiro Sawada, Tetsuji Ogawa, Tetsunori Kobayashi, ``Multi-layer audio segregation and its application to double talk recognition,’’ Special Workshop in Maui (SWIM), Lectures by Masters in Speech Processing, Hawaii, Jan. 2004.