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徳島大学 ⟩ 大学院社会産業理工学研究部 ⟩ 理工学域 ⟩ 電気電子系 ⟩ 電気電子システム分野 ⟩
徳島大学 ⟩ 理工学部 ⟩ 理工学科 ⟩ 電気電子システムコース ⟩
徳島大学 ⟩ 先端技術科学教育部 ⟩ システム創生工学専攻 ⟩ 電気電子創生工学コース ⟩ 電気電子システム講座 ⟩
徳島大学 ⟩ 創成科学研究科 ⟩ 理工学専攻 ⟩ 電気電子システムコース(創成科学研究科) ⟩ 知能電子回路講座(創成科学研究科) ⟩
徳島大学 ⟩ 理工学部 ⟩ 理工学科 ⟩ 電気電子システムコース ⟩ 電気電子システム講座 ⟩ 		(researchmapへのインポート用ファイル) [PDF解説] [researchmapへの自動反映について]

研究活動

専門分野

○ 画像処理 (Image Processing), 人工知能 (Artificial Intelligence), VLSI設計

研究テーマ

○ 機械学習, 動画像符号化技術 (Versatile Video Coding, ニューラルネットワーク (neural network))

著書・論文

学術論文(審査論文):

1. Atsuki Imada, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Underwater Object Detection through Analysis and Data Augmentation of Underwater Datasets,
Lecture Notes in Networks and Systems, Springer, No.4, 1-4, 2023.
(CiNii: 1010861618243457408)
2. Rufaida Izza Syahidah, Putra Aditya Tryan, Leu Jenq-Shiou, Tian Song and Takafumi Katayama :
Looking Closer to the Transferability between Natural and Medical Images in Deep Learning,
IEEE Access, Vol.11, 79838-79850, 2023.
(徳島大学機関リポジトリ: 119234,   DOI: 10.1109/ACCESS.2023.3299819,   Elsevier: Scopus)
3. Takafumi Katayama, Tian Song, Xiantao Jiang, Leu Jenq-Shiou and Takashi Shimamoto :
Domain Adaptation through Photorealistic Enhanced Images for Semantic Segmentation,
Mathematical Problems in Engineering, Vol.2022, 2022.
(徳島大学機関リポジトリ: 117837,   DOI: 10.1155/2022/1848857,   Elsevier: Scopus)
4. Wang Lu, Tian Song, Takafumi Katayama, Xiantao Jiang, Takashi Shimamoto and Leu Jenq-Shiou :
Deep Regional Metastases Segmentation for Patient-Level Lymph Node Status Classification,
IEEE Access, Vol.9, 129293-129302, 2021.
(徳島大学機関リポジトリ: 116730,   DOI: 10.1109/ACCESS.2021.3113036)
5. Xiantao Jiang, Tian Song and Takafumi Katayama :
Maximum-Entropy-Model-Enabled Complexity Reduction Algorithm in Modern Video Coding Standards,
Symmetry, Vol.12, No.1, 2020.
(徳島大学機関リポジトリ: 115812,   DOI: 10.3390/sym12010113)
6. Xiantao Jiang, Feng Jie, Tian Song and Takafumi Katayama :
Low-Complexity and Hardware-Friendly H.265/HEVC Encoder for Vehicular Ad-Hoc Networks,
Sensors, Vol.19, No.8, 1927, 2019.
(徳島大学機関リポジトリ: 115723,   DOI: 10.3390/s19081927,   Elsevier: Scopus)
7. Xiantao Jiang, Tian Song, Takafumi Katayama and Lu Wang :
Quality-Oriented Perceptual HEVC Based on the Spatiotemporal Saliency Detection Model,
Entropy, Vol.21, No.2, 165, 2019.
(徳島大学機関リポジトリ: 115094,   DOI: 10.3390/e21020165)
8. Xiantao Jiang, Tian Song, Takafumi Katayama and Leu Jenq-Shiou :
Spatial Correlation-Based Motion-Vector Prediction for Video-Coding Efficiency Improvement,
Symmetry, Vol.11, No.2, 2019.
(徳島大学機関リポジトリ: 115813,   DOI: 10.3390/sym11020129)
9. Takafumi Katayama, Tian Song, Wen Shi, Xiantao Jiang and Takashi Shimamoto :
Fast CU Determination Algorithm Based on Convolutional Neural Network for HEVC,
International Journal of Machine Learning and Computing, Vol.8, No.5, 442-446, 2018.
(DOI: 10.18178/ijmlc.2018.8.5.726,   Elsevier: Scopus)
10. Takafumi Katayama, Tian Song, Wen Shi, Xiantao Jiang and Takashi Shimamoto :
Boundary Correlation-based Intracoding for SHVC Algorithm and its Efficient VLSI Architecture,
Journal of Real-Time Image Processing, 1-16, 2018.
(DOI: 10.1007/s11554-018-0786-8,   Elsevier: Scopus)
11. Xiantao Jiang, Xiaofeng Wang, Tian Song, Wen Shi, Takafumi Katayama, Takashi Shimamoto and Jenq-Shiou Leu :
An Efficient Complexity Reduction Algorithm for CU Size Decision in HEVC,
International Journal of Innovative Computing, Information and Control, Vol.14, No.1, 309-322, 2018.
(DOI: 10.24507/ijicic.14.01.309,   Elsevier: Scopus)
12. Takafumi Katayama, Tian Song, Wen Shi, Gen Fujita, Xiantao Jiang and Takashi Shimamoto :
Hardware Oriented Low-Complexity Intra Coding Algorithm for SHVC,
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol.E100-A, No.12, 2936-2947, 2017.
(DOI: 10.1587/transfun.E100.A.2936,   Elsevier: Scopus)
13. Takafumi Katayama, Tian Song, Wen Shi, Xiantao Jiang and Takashi Shimamoto :
Fast Edge Detection and Early Depth Decision for Intra Coding of 3D-HEVC,
International Journal of Advances in Computer and Electronics Engineering, Vol.2, No.7, 11-20, 2017.
14. Wen Shi, Tian Song, Takafumi Katayama, Xiantao Jiang and Takashi Shimamoto :
Hardware Implementation-Oriented Fast Intra-Coding Based on Downsampling Information for HEVC,
Journal of Real-Time Image Processing, 1-15, 2017.
(DOI: 10.1007/s11554-017-0677-4)
15. Takaaki Hamamoto, Tian Song, Takafumi Katayama and Takashi Shimamoto :
Complexity Reduction Algorithm for Hierarchical B-Picture of H.264/SVC,
International Journal of Innovative Computing, Information and Control, Vol.7, No.1, 445-457, 2011.
(Elsevier: Scopus)

学術論文(紀要・その他):

1. 片山 貴文, 森上 義崇, 宋 天, 島本 隆 :
H.264/SVCにおけるEnhancementレイヤー符号化時の動き探索範囲の最適化に関する研究,
電子情報通信学会 回路とシステム軽井沢ワークショップ, No.22, 136-141, 2009年.

学術レター:

1. 片山 貴文, 田中 宏樹, 宋 天, 島本 隆 :
注目領域検出を用いた符号化アルゴリズムに関する研究,
電気学会論文誌C (電子，情報，システム部門誌), Vol.138, No.10, 1185-1186, 2018年.
(DOI: 10.1541/ieejeiss.138.1185)
2. Xiantao Jiang, Tian Song, Wen Shi, Takafumi Katayama, Takashi Shimamoto and Lisheng Wang :
Fast Coding Unit Size Decision Based on Probabilistic Graphical Model in High Efficiency Video Coding Inter Prediction,
IEICE Transactions on Information and Systems, Vol.E99-D, No.11, 2836-2839, 2016.
(徳島大学機関リポジトリ: 110596,   DOI: 10.1587/transinf.2015EDL8237,   CiNii: 1390282679355792512)
3. Kentaro Takei, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Complexity Reduction Algorithm for Enhancement Layer of H.264/SVC,
ICIC Express Letters, Vol.4, No.5(B), 1965-1972, 2010.
(Elsevier: Scopus)
4. Takaaki Hamamoto, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Low Complexity Mode Selection Method for Hierarchical B-picture of H.264/SVC,
ICIC Express Letters, Vol.3, No.4(A), 1179-1184, 2009.

国際会議:

1. Inoue Haruki, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Semantic Segmentation of River Video for Smart River Monitoring System,
Proceedings of 13th Global Conference on Consumer Electronics (GCCE2024), 691-694, Kokura, Japan, Oct. 2024.
2. Tamaki Hirotaka, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Color Correction Method using Monocular Depth Estimation Model for Underwater Images,
Proceedings of 13th Global Conference on Consumer Electronics (GCCE2024), 654-656, Kokura, Japan, Oct. 2024.
3. Goto Kaito, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Bitrate Control for VVC based on RD-Cost Estimation with YOLOv8,
Proceedings of 13th Global Conference on Consumer Electronics (GCCE2024), 637-640, Kokura, Japan, Oct. 2024.
4. Suzuki Shota, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Semantic Segmentation for Intersection Images with Domain Adaptation,
Proceedings of 13th Global Conference on Consumer Electronics (GCCE2024), 628-631, Kokura, Japan, Oct. 2024.
5. Yamada Kohei, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Intra Prediction Mode using Conditional-UNet by Stochastic Differential Equations for Next Generation Video Coding,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2024), Okinawa, Japan, Jul. 2024.
(DOI: 10.1109/ITC-CSCC62988.2024.10628271)
6. Naoya Nakayama, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Partial Image Generation with VQGAN for River Surveillance Video Coding,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2024), Okinawa, Japan, Jul. 2024.
(DOI: 10.1109/ITC-CSCC62988.2024.10628136)
7. Yuki Morimoto, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Low Bit Rate Video Coding using VVC and DCVC-DC for River Surveillance,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2024), Okinawa, Japan, Jul. 2024.
(DOI: 10.1109/ITC-CSCC62988.2024.10628310)
8. Yuto Tomida, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Efficient Deraining model using Transformer and Kernel Basis Attention for UAVs,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2024), Okinawa, Japan, Jul. 2024.
(DOI: 10.1109/ITC-CSCC62988.2024.10628256)
9. Takafumi Katayama, Tian Song and Takashi Shimamoto :
A Novel GAN-Based Intra Prediction Mode for HEVC,
The International Symposium on Communications and Information Technologies (ISCIT) 2023, 88-93, Sydney, Australia, Oct. 2023.
(DOI: 10.1109/ISCIT57293.2023.10376085)
10. Takafumi Katayama, Tian Song and Takashi Shimamoto :
Refined Datasets and Saliency Map Analysis for Underwater Object Detection,
OCEANS2023 Gulf Coast, 1-4, Gulf Coast, Sep. 2023.
(DOI: 10.23919/OCEANS52994.2023.10337245,   Elsevier: Scopus)
11. Kazuto Shindo, Takafumi Katayama, Tian Song and Takashi Shimamoto :
High Efficiency Image Correction for Object Detection Improvement in Low Power Underwater Drone,
OCEANS2023 Gulf Coast, 1-4, Gulf Coast, Sep. 2023.
12. Zhang Hang, Takafumi Katayama, Tian Song and Takashi Shimamoto :
A High Precision Counting Framework for Cerithidea moerchii towards Low Power Implementation,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2023), 317-321, Jeju, Republic of Korea, Jun. 2023.
(DOI: 10.1109/ITC-CSCC58803.2023.10212819)
13. Haruki Inoue, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Semantic Segmentation of River Video for Efficient River Surveillance System,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2023), 266-270, Jeju, Republic of Korea, Jun. 2023.
(DOI: 10.1109/ITC-CSCC58803.2023.10212938)
14. Suzuki Shota, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Video Semantic Segmentation for Intersection by Domain Adaptation,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2023), 262-265, Jeju, Republic of Korea, Jun. 2023.
(DOI: 10.1109/ITC-CSCC58803.2023.10212842)
15. Kaito Goto, Takafumi Katayama, Tian Song and Takashi Shimamoto :
YOLO-based Bitrate Control Algorithm for VVC,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2023), 257-261, Jeju, Republic of Korea, Jun. 2023.
(DOI: 10.1109/ITC-CSCC58803.2023.10212711)
16. Hirotaka Tamaki, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Color Correction Method using Monocular Depth Estimation Model for Underwater Images,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2023), 252-256, Jeju, Republic of Korea, Jun. 2023.
(DOI: 10.1109/ITC-CSCC58803.2023.10212542)
17. Takafumi Katayama, Tian Song and Takashi Shimamoto :
A Novel Intra Prediction Mode using Transformer-based GAN for VVenC,
Advances in Signal Processing and Artificial Intelligence (ASPAI) 2023, 70-74, Tenerife (Canary Islands), Spain, Jun. 2023.
18. Tian Song, Sawada Takuya, Takafumi Katayama, Takashi Shimamoto and Leu Jenq-Shiou :
Dataset Generation and De-raining Algorithms for Video System of Drone,
The 9th International Forum on Advanced Technologies 2023 (IFAT2023), Tokushima, Mar. 2023.
19. Shuichiro Tanaka, Takafumi Katayama, Tian Song and Takashi Shimamoto :
An Adaptive Selection Algorithm of Screen Content Coding Tools for Educational Video System,
Proceedings of IEEE International Conference on Consumer Electronics(ICCE), Las Vegas, Jan. 2023.
(DOI: 10.1109/ICCE56470.2023.10043502)
20. Takuya Sawada, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Semi-Supervised Learning Based De-Raining Method for UAV,
Proceedings of IEEE International Conference on Consumer Electronics(ICCE), Las Vegas, Jan. 2023.
(DOI: 10.1109/ICCE56470.2023.10043414)
21. Mantani Kota, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Depth Estimation with Sonar-based Correction for Low-cost Underwater Drone,
OCEANS2022 Hampton Roads, 1-4, Hampton Roads, Oct. 2022.
(DOI: 10.1109/OCEANS47191.2022.9977093,   Elsevier: Scopus)
22. Yuma Tamura, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Object Recognition based Self-Position Estimation for Underwater Robots,
OCEANS2022 Hampton Roads, 1-4, Hampton Roads, Oct. 2022.
(DOI: 10.1109/OCEANS47191.2022.9977021,   Elsevier: Scopus)
23. Imada Atsuki, Takafumi Katayama, Tian Song and Takashi Shimamoto :
YOLOX based Underwater Object Detection for Inshore Aquaculture,
OCEANS2022 Hampton Roads, 1-4, Hampton Roads, Oct. 2022.
(DOI: 10.1109/OCEANS47191.2022.9977222)
24. Shotaro Ikeda, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Investigation of Sensors Related 3D-Mapping Algorithm for Monocular Video based Underwater Vehicles,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2022), Phuket, Thailand, Jul. 2022.
(DOI: 10.1109/ITC-CSCC55581.2022.9895006,   Elsevier: Scopus)
25. Urumu Ihara, Takafumi Katayama, Tian Song and Takashi Shimamoto :
High-Accuracy Object Detection Using Multi-view Video at Road Intersections,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2022), 361-363, Phuket, Thailand, Jul. 2022.
(DOI: 10.1109/ITC-CSCC55581.2022.9894885,   Elsevier: Scopus)
26. Wataru Nagai, Takafumi Katayama, Tian Song and Takashi Shimamoto :
High Efficiency Dataset Generation for Semantic Video Segmentation on Road Intersection,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2022), Phuket, Thailand, Jul. 2022.
(DOI: 10.1109/ITC-CSCC55581.2022.9894901,   Elsevier: Scopus)
27. Sohma Nagahara, Takafumi Katayama, Tian Song and Takashi Shimamoto :
A Novel Video Coding Framework with GAN-based Face Generation for Videoconferencing,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2022), Phuket, Thailand, Jul. 2022.
(DOI: 10.1109/ITC-CSCC55581.2022.9894994,   Elsevier: Scopus)
28. Chihaya Asai, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Object Detection in Curved Mirror with Multi-Cameras from Single Viewpoint Video,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2022), Phuket, Thailand, Jul. 2022.
(DOI: 10.1109/ITC-CSCC55581.2022.9894943,   Elsevier: Scopus)
29. Kei Kobayashi, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Deep Learning-Based Quality Enhancement Algorithms for Background of Video,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2022), Phuket, Thailand, Jul. 2022.
(DOI: 10.1109/ITC-CSCC55581.2022.9895043,   Elsevier: Scopus)
30. Kazuto Shindo, Takafumi Katayama, Tian Song and Takashi Shimamoto :
High Efficiency Image Correction for Low Power Underwater Drone,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2022), Phuket, Thailand, Jul. 2022.
(DOI: 10.1109/ITC-CSCC55581.2022.9894887)
31. Faisal Muhamad, Avian Cries, Prakosa W. Setya, Leu Jenq-Shiou, Takafumi Katayama and Tian Song :
Detection of Plant Leaf Disease using Deep Learning,
The 8th International Forum on Advanced Technologies 2022 (IFAT2022), Tokushima, Mar. 2022.
32. Nakajima Kaito, Takafumi Katayama, Tian Song, Jiang Xiantao and Takashi Shimamoto :
Domain Adaptive Semantic Segmentation Through Photorealistic Enhancement of Video Game,
Proceedings of IEEE International Conference on Consumer Electronics(ICCE), Jan. 2022.
(DOI: 10.1109/ICCE53296.2022.9730769,   Elsevier: Scopus)
33. Sigalingging K. Xanno, Jules Salzinger, Jenq-Shiou Leu, Takafumi Katayama and Tian Song :
A Study of Smoothness in Neural ODEs,
The 7th International Forum on Advanced Technologies 2021 (IFAT2021), Tokushima, Mar. 2021.
34. Takafumi Katayama, Tian Song, Takashi Shimamoto and Jiang Xiantao :
Reference Frame Generation Algorithm using Dynamical Learning PredNet for VVC,
Proceedings of IEEE International Conference on Consumer Electronics (ICCE), Jan. 2021.
(DOI: 10.1109/ICCE50685.2021.9427694,   Elsevier: Scopus)
35. Zhang Hongyi, Tian Song, Takafumi Katayama, Takashi Shimamoto and Zhao Liping :
An Adaptive Selection Method of Screen Content Coding Tools for Educational Video System,
The 6th International Forum on Advanced Technologies 2020 (IFAT2020), No.P21, Tokushima, Mar. 2020.
36. Soichiro Iino, Tian Song, Takafumi Katayama and Takashi Shimamoto :
Low Bitrate VVC-based Drone Video Coding System,
The 6th International Forum on Advanced Technologies 2020 (IFAT2020), No.P18, Tokushima, Mar. 2020.
37. Takafumi Katayama, Tian Song, Leu Shiou Jenq and Takashi Shimamoto :
Input Bit Reduction for a Low Cost Neural ODE,
The 6th International Forum on Advanced Technologies 2020 (IFAT2020), No.P17, Tokushima, Mar. 2020.
38. Satoshi Minamoto, Tian Song, Takafumi Katayama and Takashi Shimamoto :
Machine Learning based Underwater Depth Estimation,
The 6th International Forum on Advanced Technologies 2020 (IFAT2020), No.P20, Tokushima, Mar. 2020.
39. Soichiro Iino, Tian Song, Takafumi Katayama and Takashi Shimamoto :
Bitrate Fluctuation Control Method for VVC-based Drone Video Coding System,
Proceedings of RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing(NCSP'20), No.2AM2-1-4, Honolulu, Feb. 2020.
40. Yuki Kakiuchi, Tian Song, Takafumi Katayama and Takashi Shimamoto :
CenterNet based Object Detection System for 360-degree Panorama Video System,
Proceedings of RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing(NCSP'20), No.1PM1-1-1, Honolulu, Feb. 2020.
41. Takafumi Katayama, Tian Song, Takashi Shimamoto and Xiantao Jiang :
GAN-based Color Correction for Underwater Object Detection,
OCEANS19 MTS/IEEE Seattle, 1-4, Seattle, Oct. 2019.
(DOI: 10.23919/OCEANS40490.2019.8962561,   Elsevier: Scopus)
42. Lu Wang, Tian Song, Takafumi Katayama and Takashi Shimamoto :
Proposal-Aware Visual Saliency Detection with Semantic Attention,
International Conference on Intelligence Science and Big Data Engineering (IScIDE 2019), 1-11, Nanjing, Oct. 2019.
(DOI: 10.1007/978-3-030-36189-1_3,   Elsevier: Scopus)
43. Fumiya Kitawaki, Tian Song, Takafumi Katayama, Xiantao Jiang and Takashi Shimamoto :
Improvement of Cross Component Prediction by Multiple Liner Prediction for HEVC,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2019), No.OS-09-04, 187-190, Cheju, Jun. 2019.
(DOI: 10.1109/ITC-CSCC.2019.8793327,   Elsevier: Scopus)
44. Takafumi Katayama, Koki Tamura, Tian Song and Takashi Shimamoto :
Fast Object Detection Algorithm using Encoded Video Information,
IEEE CASS Shanghai and Shikoku Chapters Joint Workshop on Circuits and Systems (SSJW'18), Takamatsu, Nov. 2018.
45. Takafumi Katayama, Tian Song and Takashi Shimamoto :
QP Adaptation Algorithm for Low Complexity HEVC based on a CNN-Generated Header Bits Map,
Proceedings of IEEE 8th International Conference of Consumer Electronics in Berlin (ICCE-Berlin), 1-5, Berlin, Sep. 2018.
(DOI: 10.1109/ICCE-Berlin.2018.8576179,   Elsevier: Scopus)
46. Koki Tamura, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Multi-line Intra Prediction for Inter-Layer Reference in SHVC,
Proceedings of Taiwan and Japan Conference on Circuits and Systems (TJCAS2018), No.3AM3C-2, Taichung, Taiwan, Aug. 2018.
47. Shota Yusa, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Fast PU Size Decision Algorithm Using RD-Cost and Depth Dispersion for Depth Intra Coding of 3D-HEVC,
Proceedings of Taiwan and Japan Conference on Circuits and Systems (TJCAS2018), No.3AM3C-1, Taichung, Taiwan, Aug. 2018.
48. Takafumi Katayama, Koki Tamura, Tian Song and Takashi Shimamoto :
Efficient Object Detection Algorithm using Encoded Video Information,
Proceedings of Taiwan and Japan Conference on Circuits and Systems (TJCAS2018), No.3AM3A-1, Taichung, Taiwan, Aug. 2018.
49. Kunihito Hatai, Ryota Fujiki, Akinori Sanda, Wen Shi, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Learning Library Extension for Sea Cucumber Recognition using GANs,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2018), No.CP-02-153, 1-2, Bangkok, Jul. 2018.
50. Akinori Sanda, Kunihito Hatai, Ryota Fujiki, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Fast Object Detection System Based On The Embedded Information In The Bitstream,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2018), No.CP-02-145, 1-4, Bangkok, Jul. 2018.
51. Takafumi Katayama, Kazuki Kuroda, Wen Shi, Tian Song and Takashi Shimamoto :
Low-Complexity Intra Coding Algorithm Based on Convolutional Neural Network for HEVC,
Proceedings of 2018 International Conference on Information and Computer Technologies (ICICT2018), 115-118, DeKalb, USA, Mar. 2018.
(DOI: 10.1109/INFOCT.2018.8356852,   Elsevier: Scopus)
52. Takafumi Katayama, Kazuki Kuroda, Tian Song, Jenq-Shiou Leu and Takashi Shimamoto :
Multi-Input CNN-based Low-Complexity Intra Coding Algorithm for HEVC,
Proceedings of 4th International Forum on Advanced Technologies (IFAT2018), No.P1-28, 1-3, Tokushima, Mar. 2018.
53. Wen Shi, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Efficient Intra Prediction Based on Adaptive Downsampling Signal for Parallel HEVC Encoding,
Proceedings of IEEE International Conference on Consumer Electronics(ICCE2018), 621-624, Las Vegas, Jan. 2018.
(DOI: 10.1109/ICCE.2018.8326253,   Elsevier: Scopus)
54. Yoshiki Ito, Tian Song, Wen Shi, Takafumi Katayama and Takashi Shimamoto :
Hardware-oriented Low Complexity Motion Estimation for HEVC,
Proceedings of IEEE International Conference on Consumer Electronics(ICCE2018), 438-442, Las Vegas, Jan. 2018.
(Elsevier: Scopus)
55. Kazuki Kuroda, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Early Mode Selection of High Resolution for HEVC Base on Bits-Mapping,
Proceedings of IEEE International Conference on Consumer Electronics(ICCE2018), 428-433, Las Vegas, Jan. 2018.
(DOI: 10.1109/ICCE.2018.8326120,   Elsevier: Scopus)
56. Takafumi Katayama, Wen Shi, Tian Song and Takashi Shimamoto :
Pixel-based Fast CU Depth Decision Algorithm with Edge Strength for HEVC,
Proceedings of IEEE International Conference on Consumer Electronics(ICCE2018), 407-412, Las Vegas, Jan. 2018.
(DOI: 10.1109/ICCE.2018.8326245,   Elsevier: Scopus)
57. Jiang Xiantao, Wang XiaoFeng, Yang Yadong, Tian Song, Shi Wen and Takafumi Katayama :
A Coding Efficiency Improvement Algorithm for Future Video Coding,
IFIP International Federation for Information Processing 2017, 279-287, Shanghai, Oct. 2017.
(DOI: 10.1007/978-3-319-68121-4_30)
58. Koki Tamura, Takafumi Katayama, Wen Shi, Tian Song and Takashi Shimamoto :
Coding Efficiency Improvement Algorithm for Inter-Layer Reference Prediction in SHVC,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2017), 479-480, Busan, Jul. 2017.
59. Shota Yusa, Takafumi Katayama, Wen Shi, Tian Song and Takashi Shimamoto :
Fast CU Depth Decision Algorithm Using Depth-Map for 3D-HEVC,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2017), 473-474, Busan, Jul. 2017.
60. Takafumi Katayama, Wen Shi, Tian Song and Takashi Shimamoto :
Early Depth Determination Algorithm for Enhancement Layer Intra Coding of SHVC,
Proceedings of IEEE International Technical Conference TENCON 2016, 3083-3086, Singapore, Nov. 2016.
(DOI: 10.1109/TENCON.2016.7848614)
61. Kazuki Kuroda, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Adaptive Mode Selection for Low Complexity Enhancement Layer Encoding of SHVC,
Proceedings of International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC2016), 355-358, Okinawa, Jul. 2016.
62. Takafumi Katayama, Tian Song, Wen Shi, Takashi Shimamoto and Jenq-Shiou Leu :
Reference Frame Selection Algorithm of HEVC Encoder for Low Power Video Device,
Proceedings of 2nd International Conference on Intelligent Green Building and Smart Grid (IGBSG 2016), 34-39, Praha, Jun. 2016.
(DOI: 10.1109/IGBSG.2016.7539416,   Elsevier: Scopus)
63. Takafumi Katayama, Wen Shi, Tian Song, Jenq-Shiou Leu and Takashi Shimamoto :
Fast CU Size Decision for Intra Coding Algorithm in SHVC,
Proceedings of 2nd International Forum on Advanced Technologies (IFAT2016), No.P1-18, 1-3, Tokushima, Mar. 2016.
64. Takafumi Katayama, Wen Shi, Tian Song and Takashi Shimamoto :
Low-Complexity Intra Coding Algorithm in Enhancement Layer for SHVC,
Proceedings of 2016 IEEE International Conference on Consumer Electronics (ICCE), 419-422, Las Vegas, Jan. 2016.
(DOI: 10.1109/ICCE.2016.7430673,   Elsevier: Scopus)
65. Takafumi Katayama, Takaaki Hamamoto, Tian Song and Takashi Shimamoto :
Motion Estimation Algorithm for Spatial Scalability in H.264/SVC,
Proceedings of International Workshop on Nonlinear Circuits, Communication and Signal Processing (NCSP'11), 356-359, Tianjin, China, Mar. 2011.
66. Takaaki Hamamoto, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Novel Variable Search Range Selection Algorithm for H.264/SVC,
Proceedings of International Workshop on Nonlinear Circuits, Communication and Signal Processing (NCSP'11), 316-319, Tianjin, China, Mar. 2011.
67. Takafumi Katayama, Takaaki Hamamoto, Tian Song and Takashi Shimamoto :
Motion Based Low Complexity Algorithm for Spatial Scalability of H.264/SVC,
Proceedings of 2010 IEEE 17th International Conference on Image Processing (ICIP2010), 4213-4216, Hong Kong, Sep. 2010.
(Elsevier: Scopus)
68. Kentaro Takei, Naoyuki Hirai, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Real-Time Architecture for Inter-layer Prediction of H.264/SVC,
Proceedings of Pacific-Rim Conference on Multimedia (PCM2010), 235-244, Shanghai, Sep. 2010.
69. Takafumi Katayama, Takaaki Hamamoto, Tian Song and Takashi Shimamoto :
Low Complexity Inter-Layer Motion Estimation Algorithm for H.264/SVC,
Proceedings of World Automation Congress (WAC2010), No.168, Kobe, Sep. 2010.
70. Kentaro Takei, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Complexity Reduction Algorithm for Enhancement Layer of H.264/SVC,
The Third International Symposium on Intelligent Informatics (ISII2010), No.228, Dalian, Sep. 2010.
71. Yoshitaka Morigami, Tian Song, Takafumi Katayama and Takashi Shimamoto :
Low Complexity Algorithm for Inter-layer Residual Prediction of H.264/SVC,
IEEE International Conference on Image Processing (ICIP2009), 3761-3764, Cairo, Egypt, Nov. 2009.
(DOI: 10.1109/ICIP.2009.5414378,   Elsevier: Scopus)
72. Takaaki Hamamoto, Takafumi Katayama, Tian Song and Takashi Shimamoto :
Mode Selection Method for Hierarchical B-picture of H.264/SVC,
The Second International Symposium on Intelligent Informatics (ISII2009), QinHuangDao, China, Sep. 2009.
73. Takafumi Katayama, Yoshitaka Morigami, Tian Song and Takashi Shimamoto :
Improvement of Motion Estimation with Modified Search Center and Search Range for H.264/SVC,
The 24th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2009), 401-404, Cheju, Jul. 2009.

国内講演発表:

1. 野依 厚介, 片山 貴文, 宋 天, 島本 隆 :
水中音響画像変換における CycleGAN を用いた高精度 3D マッピング,
電気関係学会四国支部連合大会講演論文集, 1, 2023年9月.
2. 今田 純暉, 片山 貴文, 宋 天, 島本 隆 :
顕著性マップに基づく再学習用データセット厳選アルゴリズム,
電気関係学会四国支部連合大会講演論文集, No.15-14, 1, 2022年9月.
3. 大手 直樹, 片山 貴文, 宋 天, 島本 隆 :
ドローン映像における高精度小数画素精度動き補償フィルタ,
電気関係学会四国支部連合大会講演論文集, No.13-25, 1, 2022年9月.
4. 濱田 雄大, 片山 貴文, 宋 天, 島本 隆 :
動画像における機械学習による長期参照画像生成に関する研究,
電気関係学会四国支部連合大会講演論文集, No.13-14, 1, 2021年9月.
5. 井川 将太, 片山 貴文, 宋 天, 島本 隆 :
水中画像の色補正方法に関する研究,
電気関係学会四国支部連合大会講演論文集, No.13-13, 1, 2021年9月.
6. 青木 宏曉, 片山 貴文, 宋 天, 島本 隆 :
機械学習を用いた次世代画面内符号化技術に関する研究,
電気関係学会四国支部連合大会講演論文集, No.13-12, 1, 2021年9月.
7. 清水 拓一朗, 片山 貴文, 宋 天, 島本 隆 :
フロアプラン設計のための遺伝的アルゴリズムによる配置最適化に関する研究,
電気関係学会四国支部連合大会講演論文集, No.1-19, 1, 2021年9月.
8. 澤田 卓弥, 片山 貴文, 宋 天, 島本 隆 :
パノラマ映像における GANを用いた雨除去に関する研究,
人工知能学会全国大会(JSAI2021), No.2Yin5-17, 2021年6月.
9. 田中 就一郎, 片山 貴文, 宋 天, 島本 隆 :
教育用配信システムにおけるスクリーンコンテンツ符号化ツール選択手法に関する研究,
人工知能学会全国大会(JSAI2021), No.2Xin5-12, 2021年6月.
10. 萬谷 恒太, 片山 貴文, 宋 天, 島本 隆 :
機械学習を用いた水中深度推定に関する研究,
人工知能学会全国大会(JSAI2021), No.2Yin5-12, 2021年6月.
11. 田村 佑馬, 片山 貴文, 宋 天, 島本 隆 :
JetsonXavierを用いた水中画像補正に関する研究,
人工知能学会全国大会(JSAI2021), No.2Yin5-21, 2021年6月.
12. 北脇 郁弥, 片山 貴文, 宋 天, 島本 隆 :
VVCにおける特徴マップを応用した色差成分予測手法に関する研究,
画像符号化シンポジウム(PCSJ2020), No.P3-A-1, 2020年11月.
13. 大上 剛, 宋 天, 片山 貴文, 島本 隆 :
InstaGANを用いた学習ライブラリ構築に関する研究,
画像符号化シンポジウム(PCSJ2020), No.P2-D-1, 2020年11月.
14. 中島 快人, 片山 貴文, 宋 天, 島本 隆 :
昼夜変換画像による夜間物体検出精度向上に関する研究,
画像符号化シンポジウム(PCSJ2020), No.P1-D-1, 2020年11月.
15. 大上 剛, 片山 貴文, 宋 天, 島本 隆 :
InstaGANを用いた学習ライブラリ構築に関する研究,
電気関係学会四国支部連合大会講演論文集, No.15-8, 1, 2020年9月.
16. 脇山 大毅, 島本 隆, 宋 天, 片山 貴文 :
遺伝的アルゴリズムを用いたLSIにおける面積と電力密度のトレードオフ最適化に関する研究,
電気関係学会四国支部連合大会講演論文集, No.1-6, 1, 2020年9月.
17. 内藤 優樹, 島本 隆, 宋 天, 片山 貴文 :
固定アウトラインでの再帰的分割法を用いたモジュールの配置に関する研究,
電気関係学会四国支部連合大会講演論文集, No.1-5, 1, 2020年9月.
18. 岡久 奈留, 宋 天, 片山 貴文, 島本 隆 :
VVCイントラ予測残差における変換係数予測手法に関する研究,
電気関係学会四国支部連合大会講演論文集, No.13-7, 136, 2019年9月.
19. 中川 靖之, 宋 天, 片山 貴文, 島本 隆 :
オブジェクト検出の高速化アルゴリズムに関する研究,
電気関係学会四国支部連合大会講演論文集, No.13-8, 137, 2019年9月.
20. 山崎 凌佑, 宋 天, 片山 貴文, 島本 隆 :
CNNを用いたHEVCのイントラ符号化効率向上に関する研究,
電気関係学会四国支部連合大会講演論文集, No.13-6, 135, 2019年9月.
21. 長崎 舜, 宋 天, 片山 貴文, 島本 隆 :
VVCの画面間符号化におけるベイジアンネットワークを用いた高速モード決定手法に関する研究,
電気関係学会四国支部連合大会講演論文集, No.13-5, 134, 2019年9月.
22. 西野 慎一, 島本 隆, 宋 天, 片山 貴文 :
3D-ICにおけるTSV割り当てのための効率的なアルゴリズム,
電気関係学会四国支部連合大会講演論文集, No.1-28, 28, 2019年9月.
23. 合田 太一, 島本 隆, 宋 天, 片山 貴文 :
MDS問題における最適アルゴリズムとそのPCB配線への応用,
電気関係学会四国支部連合大会講演論文集, No.1-27, 27, 2019年9月.
24. 稲葉 飛鳥, 島本 隆, 宋 天, 片山 貴文 :
ブラインドビア・差動ペアを使用したPCBにおけるエスケープ配線の最適化に関する研究,
電気関係学会四国支部連合大会講演論文集, No.1-26, 26, 2019年9月.
25. 関原 紘太郎, 宋 天, 片山 貴文, 島本 隆 :
JEMのイントラ予測符号化における情報隠蔽技術に関する研究,
画像符号化シンポジウム(PCSJ2018), No.P-1-14, 44-45, 2018年11月.
26. 榎木 一史, 片山 貴文, 黒田 一樹, 島本 隆, 宋 天 :
携帯端末向け参照フレーム削減によるHEVCの低消費電力実現に関する研究,
電気関係学会四国支部連合大会講演論文集, No.13-24, 175, 2016年9月.

その他・研究会:

1. 片山 貴文, 石 文, 宋 天, 島本 隆 :
SHVCのエンハンスメントレイヤ符号化時における低演算アルゴリズムに関する研究,
映像情報メディア学会技術報告, Vol.40, No.6, 159-162, 2016年2月.

科学研究費補助金 (KAKEN Grants Database @ NII.ac.jp)

  • 次世代動画像符号化技術を用いた集中管理型知能河川監視システムの構築 (研究課題/領域番号: 24K14962 )
  • 洋上風力発電機を中心とした次世代複合施設の構築における知能水中ロボットの開発 (研究課題/領域番号: 23K11147 )
  • 超高精細単視点多眼映像向け高効率符号化・高認識率映像システムの構築 (研究課題/領域番号: 22K17913 )
  • 高度な識別機能を有する自主巡回水中ロボットによる水産養殖支援システムの開発 (研究課題/領域番号: 20K11889 )
  • ブロックチェーンにおける高性能画像解析を用いた自動運転支援システムの開発 (研究課題/領域番号: 20K11790 )
  • 機械学習を応用した次世代動画像符号化アルゴリズム及びその専用ハードウェアの開発 (研究課題/領域番号: 19K24347 )
  • 研究者番号（70848522）による検索