北九州市立大学国際環境工学部 奥田研究室｜The University of Kitakyushu International Environmental Engineering Department Okuda laboratory

Publications

| Books | Journals | International Conferences | Japanese |

Books

  1. Shin-ichi Takahashi, Masahiro OKuda : Fundamental Circuit Theory, Baifukan Publisher, 2002 (written in Japanese)
  2. Masaaki Ikehara, Masahiro Okuda, Takayuki Nagai,"Fundamental Course on MATLAB," Baifukan Publisher, 2006 (written in Japanese)
  3. [Book Chapter]Masahiro Okuda，"Fir Filters", IEICE "Knowledge Base", 2011.(written in Japanese)
  4. Masahiro Okuda,"High Dynamic Range Image Processing with MATLAB", (ISBN: 978-4-88657-744-3) 2010/11(written in Japanese)
  5. F. Gurri, M. Okuda et al. "HDR Image watermaking," a book chapter in "High Dynamic Range Video" to appear, Elsevier.

Journals

  1. Shinji Yoshii, Masataka Fujimoto, Masahiro Okuda, Chiaki Kitamura, "In Vitro Evaluation of a Novel Root Canal Endoscope for Visualizing the Apex of Curved Root Canal Models and an Extracted Tooth", J.Endodontics, accepted for publication (IF:2.886)
  2. M. Fujimoto, M. Okuda, S. Yoshii, S. Ikezawa, T. Ueda, T. Herve, F.,Cuisinier, C. Kitamura, "Endoscopic System Based on Intraoral Camera and Image Processing". IEEE transactions on biomedical engineering.　DOI: 10.1109/TBME.2018.2866273 accepted for publication (IF:4.288)
  3. R. Matsuoka, S. Kyochi, S. Ono, and M. Okuda, "Joint sparsity and order optimization based on ADMM with non-uniform group hard thresholding," IEEE Trans. Circuits and Systems I: Regular Papers, Vol.65 (5), pp.1602-1613, 2018/5, doi: 10.1109/TCSI.2017.2763969 (IF:2.407)
  4. Mia Rizkinia and Masahiro Okuda, "Joint Local Abundance Sparse Unmixing for Hyperspectral Images" Remote Sensing , doi:10.3390/rs9121224, 9(12), 1224, 2017 (IF:3.406)
  5. Ryo Matsuoka, Seisuke Kyochi, Shunsuke Ono, Masahiro Okuda, "Joint Sparsity and Order Optimization based on ADMM with Non-uniform Group Hard Thresholding," IEEE Transactions on Circuits and Systems I: Regular Papers, (12 pages) 2017, accepted for publication
  6. Takaaki Okabe, Msahiro Okuda, "Computationally Efficient Reflectance Estimation for Hyperspectral Images", IEICE Trans. on info. Sys., Vol. E100.D No. 9 pp.2253-2256, 2017
  7. Mia Rizkinia, Tatsuya Baba, Keiichiro Shirai, Masahiro Okuda, "Local Spectral Component Decomposition for Multi-channel Image Denoising", IEEE Trans. on Image Processing, Vol.25, Issue:7, pp.3208 - 3218, July 2016 [pdf] (Open Access) (IF:5.071)
  8. Tatsuya Baba, Ryo Matsuoka,　Keiichiro Shirai, Masahiro Okuda "Misaligned Image Integration with Local Linear Model," IEEE Trans. on Image Processing, Vol.25, Issue 5, pp.2035-2044, May 2016 project page (IF:5.071)
  9. Ryo Matsuoka, Tomohiro Yamauchi, Tatsuya Baba, Masahiro Okuda, " Weight Optimization for Multiple Image Integration and Its Applications", IEICE Transactions on Information and Systems, Vol.E99-D,No.1,pp.228-235,Jan. 2016
  10. Ryo Matsuoka, Tatsuya Baba, Masahiro Okuda, "White Balancing by Using Multiple Images via Intrinsic Image Decomposition", IEICE Transactions on Information and Systems,Vol.E98-D,No.8,pp.1562-1570,Aug. 2015.
  11. Ryo Matsuoka et al. IEICE pp.1406-1415, Vol.J97-D, No.9, 2014 ( In Japanese)
  12. Ryo Matsuoka et al. IEICE Vol.J97-A No.3 pp.209-220, 2014 ( In Japanese)
  13. Ryo MATSUOKA, Takao JINNO, and Masahiro OKUDA, "Quality Evaluation of Decimated Images Using Visual Difference Predictor", IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E96-A No.8 pp.1824-1827、2013.
  14. Takao Jinno and Masahiro Okuda,"Multiple exposure fusion for high dynamic range image," IEEE Transactions on Image Processing, IEEE Transactions on Image Processing, Volume: 21 Issue:1, On page(s): 358 - 365, Jan. 2012.
  15. Watermarking for HDR image robust to tone mapping, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Vol.E94-A No.11 pp.2334-2341, 2011
  16. Takao Jinno, Masahiro Okuda, Nicola Adami、IEICE (In Japanese), Vol.J94-D,No.12,pp.1986-1988, Dec. 2011
  17. Fabrizio Guerrini, Masahiro Okuda, Nicola Adami and Riccardo Leonardi, "High Dynamic Range Image Watermarking Robust Against Tone-Mapping Operators," IEEE Transactions on Information Forensics & Security, Vol.6 Issue 2, pp.283-295, June 2011.
  18. Jinno Takao, Masahiro Okuda, IEICE (In Japanese), Vol.J94-A,No.6,pp.426-429,Jun. 2011
  19. Takao Jinno, Yusuke Saito, and Masahiro Okuda, "A Study on Weighting Scheme for Rational Remez Algorithm," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Vol.E94-A,No.4,pp.-,Apr. 2011/4.
  20. Takao Jinno Hironori Kaida Xinwei Xue Nicola Adami Masahiro Okuda, "μ-Law Based HDR Coding and Its Error Analysis,"IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E94-A No.3 pp.972-978, 2011/3
  21. Takao Jinno, Kazuya Mouri, and Masahiro Okuda, "High Contrast HDR Video Tone Mapping Based on Gamma Curves," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E94.A(2), 525-532, 2011/2
  22. Hiroyuki Inatsuka, Makoto Uchino, Satoshi Ueno, and Masahiro Okuda, "Texture Classification for 3D Urban Map," EURASIP Journal on Image and Video Processing, Volume 2009, Article ID 432853, 8 pages, Jun. 2009
  23. Masahiro Okuda and Nicola Adami, "JPEG Compatible Raw Image Coding Based on Polynomial Tone Mapping Model," IEICE Trans. on Fundamentals, Vol. E91-A No.10, pp.2928-2933, Oct. 2008.
  24. Shin-ichiro Takahashi, Ishtiaq Rasool Khan, Masahiro Okuda and Masaaki Ikehara, "3D Avatar Modeling and Transmission using Cylinder Mapping," WSEAS Transactions on Electronics, Issue 3, Volume 5, pp.57-64, March 2008
  25. Shiyu Li, Masahiro Okuda, Shin-ichi Takahashi, "Compression of Human Motion Animation Using the Reduction of Interjoint Correlation", EURASIP Journal on Image and Video Processing, Volume 2008, Issue 1, Article ID 693427, 15 pages, 2008
  26. Ishtiaq Rasool Khan, Masahiro Okuda, "Narrow Transition Band FIR Hilbert Transformers with Flat Magnitude Response," IEEE Signal Processing Letters, Vol.14, Issue 9, pp.613-616 Sept. 2007.
  27. Ishtiaq Rasool Khan, Masahiro Okuda, "Finite Impulse-Response Digital Differentiators for Midband frequencies based on Maximal Linearity Constraints," IEEE Transactions on Circuits and Systems II, Vol.54, No.3, pp.242-246, March 2007
  28. Shiyu Li, Masahiro Okuda, "Interactive Frame Decimation and Watermarking for Human Motion Animation", International Journal on Graphics, Vision and Image Processing, Vol.27, Issue II, pp.27-34, Aug. 2007.
  29. Masahiro Okuda, Nicola Adami, "Two-Layer Coding Algorithm For High Dynamic Range Images based on Luminance Compensation," Elsevier Journal of Visual Communication and Image Representation, Vol. 18, Issue 5, pp.377-386, Oct. 2007
  30. Shirai Keiichiro et al., IEICE (In Japanese), Vol.J90, No.9, pp.705-714, 2007
  31. Ishtiaq Rasool Khan, Masahiro Okuda, "Construction of Regular 3D Mesh Models for Real Objects", International Journal on Graphics, Vision and Image Processing, Vol.6, Issue 3, pp.23-31, 2006.
  32. Keiichi Shirai, Kyoko Nagatomo, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Cylindrical Approximation of 3D Meshes and its Application to Similarity Detection", Journal of Signal Processing, Vol.10, No.5, pp.363-370, 2006.
  33. Keiichiro Shirai, Masahiro Okuda, Masaaki Ikehara, "Fast Cylinder Mapping for 3D Models," IEICE Transaction (In Japanese) vol.J89-A, no.7, pp.629-638, 2006.
  34. Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Design of Equiripple Minimum Phase FIR Filters with Ripple Ratio Control", IEICE Transactions on Fundamentals, Vol.E89-A, No.3, pp.751-756, March 2006.
  35. Masahiro Okuda, Masahiro Yoshida, Kageyuki Kiyose, Masaaki Ikehara, Shin-ichi Takahashi, "Complex Approximation of FIR Digital Filters by Updating Desired Responses", IEEE Trans. on Signal Processing, Vol.53, Issue:8, pp.2948-2953, 2005.
  36. Masahiro Okuda, Masahiro Yoshida, Masaaki Ikehara, Shin-ichi Takahashi, "Simultaneous approximation for magnitude and phase responses of FIR digital filters" , IEICE Transaction on Fundamentals, Vol. E87-A, no.11, 2957-2963, 2004
  37. Ishtiaq Rasool Khan, Masahiro Okuda and Ryoji Ohba, "Design of FIR digital differentiators using maximal linearity constraints", IEICE Transaction on Fundamentals, Vol.E87-A, No.8, pp.2010-2017, 2004
  38. Masahiro Okuda, Ishtiaq Rasool Khan, Masaaki Ikehara, Shin-ishi Takahashi, "Quasi-Equiripple Approximation of Minimum Phase FIR Filters by Updating Desired Response" IEE Vision, Image and Signal Processing, pp.164-169, Volume 151, No.3, June 2004.
  39. Masahiro Okuda, Shin-ichi Takahashi, "Progressive Geometry Coding of Partitioned 3D Models", IEICE Trans. on Information and Systems, Vol. E86-D, no.11, pp.2418-2425, 2003
  40. Kohji Inagaki, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Measuring Errors on 3D Meshes using Pixel Based Search", IEICE Trans. on Information and Systems, Vol. E86-D, no.9, pp.1903-1908, 2003
  41. Masahiro Okuda, Kyoko Nagatomo, Masaaki Ikehara, Shin-ichi Takahashi, "Compression of 3D Models by Remesh on Texture Images", IEICE Trans. on Information and Systems, Vol. E86-D, no.6, pp.1110-1115, 2003
  42. Toshiyki Uto, Masahiro Okuda, Masaaki Ikehara, "Wavelet Packet using Image Cosing based on Quad Tree Decomposition,"IEICE Trans. (In Japanese) pp111-118, Vol.J86-A, No.2, 2003
  43. Toshiyuki Uto, Yutaka Kouno, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahash , "Lossless transforms and lossy transforms using IIR filters and their application to image coding, "Electronics and Communications in Japan (Part III: Fundamental Electronic Science) Volume 85, Issue 7, Date: July 2002, Pages: 1-9
  44. Masahiro Okuda, Sanjit K. Mitra, Masaaki Ikehara and Shin-ichi Takahashi, "Filter banks with nonlinear lifting steps for lossless image compression", IEICE Transaction on Fundamentals, Vol. E84-A, no.3, pp.797-801, March 2001
  45. Masahiro Okuda, Masato Kamata, Shin-ichi Takahashi, "Realization of an orthogonal filter with hypercomplex coefficients," Electronics and Communications in Japan (Part III: Fundamental Electronic Science), Volume 85, Issue 3 , Pages 52 ? 60, 2001
  46. Masahiro Okuda, Kageyuki Kiyose, Masaaki Ikehara, Shin-ichi Takahashi, "Equiripple design in complex domain for FIR digital filters by transforming desired response," Electronics and Communications in Japan (Part III: Fundamental Electronic Science), Volume 84, Issue 2, Date: February 2001, Pages: 30-37
  47. Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, ``Design of Biorthogonal Filter Banks Composed of Linear Phase IIR Filters'', IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol.E81-A, (no.11) Nov., p.2449-54. 1998.
  48. Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi,``Fast and Stable Least Squares Approach for the Design of Linear Phase FIR Filters'', IEEE Trans. on Signal Processing, vol.46, (no.6), p.1485-93, June 1998
  49. Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Least-squares approach to IIR digital filters and an application to equiripple solutions," Electronics and Communications in Japan (Part III: Fundamental Electronic Science) Volume 81, Issue 7, Date: July 1998, Pages: 28-36
  50. Masahiro Okuda, Takashi Fukuoka, Masaaki Ikehara, Shin-ichi Takahashi, "The design of two-channel perfect reconstruction IIR filter banks with causality," Electronics and Communications in Japan (Part III: Fundamental Electronic Science)Volume 81, Issue 5, Date: May 1998, Pages: 22-31
  51. Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Least-square method for 2D FIR digital filters without matrix inversions," Electronics and Communications in Japan (Part III: Fundamental Electronic Science) Volume 81, Issue 5, Date: May 1998, Pages: 12-21
  52. Masahiro Okuda , Masaaki Ikehara, Shin-ichi Takahashi,``Simultaneous Approximation for IIR Digital Filters with Log Magnitude and Phase Response'', IEICE Trans. Fundamentals of Electronics, Communications and Computer Sciences Vol.E79-A No.11 1879-1885.1996
  53. Masahiro Okuda, Kojiro Matsuyama, Masaaki Ikehara, "Approximation of group delay response of allpass filters using weighted least square method," Electronics and Communications in Japan (Part III: Fundamental Electronic Science) Volume 79, Issue 6, Date: 1996, Pages: 60-69
  54. Masahiro Okuda, Masaaki Ikehara, Shin-Ichi Takahashi, "Complex chebyshev approximation for infinite impulse response digital filters," Electronics and Communications in Japan (Part III: Fundamental Electronic Science) Volume 79, Issue 1, Date: 1996, Pages: 12-21

International Conferences

  • Masahiro Okuda , Shin-ichi Takahashi, ``Design Methods for IIR Digital Filters with Complex Coefficients'', JTC-CSCC '94 ,D1-6.
  • Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, ``Complex Approximation for IIR Digital Filters Based on Remez-Type Algorithm'', 1995 DSP'95 in Cyprus pp. 938-943
  • Kojiro Matsuyama, Masahiro Okuda , Masaaki Ikehara, ``Approximation of Group Delay Response Using Weighted Least Squares Method'', IEEE International Symposium on Circuits and Systems, ISCAS'96 pp.197-200
  • Masahiro Okuda ,Masaaki Ikehara, Shin-ichi Takahashi, ``Design of Nearly Linear Phase IIR Digital Filters with Prescribed Log Magnitude Response'', 1996 IEEE Midwest Symposium pp.631-634 .
  • Masahiro Okuda ,Masaaki Ikehara, Shin-ichi Takahashi, ``Complex Approximation of 2-D Digital Filters with Prescribed Log Magnitude and Phase Response'', 1996 IEEE Region Ten Conference pp.388-393
  • Masahiro Okuda ,Masaaki Ikehara, Shin-ichi Takahashi, ``Fast Least Squares Algorithm for Linear Phase FIR filters'', 1997 IEEE International Symposium on Circuits and Systems, ISCAS97 pp.2248-2251
  • Masahiro Okuda, Takeshi Fukuoka , Masaaki Ikehara, Shin-ichi Takahashi, ``Design of causal IIR filter banks satisfying perfect reconstruction'', 1997 IEEE International Symposium on Circuits and Systems, ISCAS97 pp.2433-2436
  • Masahiro Okuda ,Masaaki Ikehara, Shin-ichi Takahashi, ``Design of IIR eigenfilters'', 1997 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing pp.161-164.
  • Hiroyuki Oka, Kageyuki Kiyose, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, ``Quasi-equiripple Approximation for FIR Filters in the Complex Domain'', 1997 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing pp.169-172.
  • Masahiro Okuda, Kageyuki Kiyose , Masaaki Ikehara, Shin-ichi Takahashi, ``Design of linear phase FIR filters using the nonuniform DCT'', IEEE International Symposium on Circuits and Systems, ISCAS'98, vol.5.6, p.371-4.
  • Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, ``Design of biorthogonal filter banks composed of linear phase IIR filters'', IEEE International Conferene on Acoustics, Speech and Signal Processing, ICASSP'98, vol.3.6, p.1453-6.
  • Kota Fukutomi, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Cosine-modulated biorthogonal IIR filter banks", pp1315-1318, European Conference on Circuits Theory and Design, ECCTD'99, Sep 1999.
  • Toshiyuki Uto, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Image coding using wavelets based on two-channel linear phase orthogonal IIR filter banks", IEEE International Conference on Image Processing, ICIP99.
  • Masahiro Okuda, Sanjit K. Mitra, Masaaki Ikehara, Shin-ichi Takahashi, "Time-varying wavelet transforms with lifting steps for lossless image compression", IEEE International Conference on Image Processing, ICIP99
  • Yutaka Kohno, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi "Lossless coding using IIR filter banks", IEEE International Symposium on Intelligent Signal Processing and Communication Systems,　Nov, 1999
  • Masaaki Ikehara, Masahiro Okuda, Kageyuki Kiyose, Shin-ichi Takahashi, "Complex approximation for FIR filters with equiripple magnitude and phase response", IEEE International Symposium on Circuits and Systems, May 2000
  • Tomoko Takahara, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "A new resolution progressive coding scheme using a sorting algorithm", IEEE International Conference on Image Processing, Sep 2000
  • Masahiro Okuda, Tsuhan Chen, "Joint geometry/texture progressive coding of 3D models", IEEE International Conference on Image Processing, Vancouver, WP05-2014, Sep 2000
  • Kohji Inagaki, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Measuring Error on 3D Meshes Using Pixel Division" , 2001 Workshop on Multimedia Signal Processing, France, Accepted for presentation, Oct 2001.
  • T. Uto, M. Ikehara, M. Okuda, "Wavelet Packet Algorithm for Quadtree-based Embedded Image Coding", IEEE ICASSP2002　Paper ID# 1992　May 2002.
  • K. Nagatomo, D. Yoshikai, M. Okuda, M. Ikehara, S. Takahashi, "Progressive Coding of Texutred 3D Models", IEEE International Conference on Multimedia and Expo (ICME 2002), Switzerland, 2002
  • Ishtiaq Rasool Khan, Masahiro Okuda, Ryoji Ohba, "New Designs of Frequency-Selective FIR Digital Filters", IEEE International Symposium on Circuits and Systems, ISCAS'03, Paper ID# 1634, 2003
  • Ishtiaq Rasool Khan, Masahiro Okuda, "Design of FIR Digital Differentiators Using Maximal Linearity Constraints", 7th WSEAS International Conference on Circuits, Systems, Communications, and Computers, 2003/7/7
  • Ishtiaq Rasool Khan, Masahiro Okuda, and Shin-ichi Takahashi, "Regular 3D Mesh Reconstruction Based on Cylindrical Mapping", IEEE International Conference on Multimedia and Expo, TP1-6-2 , June, 2004
  • M. Okuda, K. Nagatomo, M. Ikehara, S. Takahashi, "Similarity Detection of 3D Meshes Using 2D Hierarchical Regular Grids", IEEE International Conference on Multimedia and Expo, TP1-6-5, June, 2004
  • Shiyu Li, Ishtiaq Rasool Khan, Masahiro Okuda, Yasushi Yamazaki, Shin-ichi Takahashi," Eigen-model based 3D model recognition from cylindrical mapped image", 2004 International Conference on Communications, Circuits and Systems, pp.979-983, June 2004.
  • Ishtiaq Rasool Khan, Masahiro Okuda, Ryoji Ohba, "Higher Degree Fir Digital Differentiators based on Taylor Series", IEEE Midwest Symposium on Circuits and Systems, pp. II-57-60, July, 2004.
  • Shiyu Li, Masahiro Okuda, Shin-ichi Takahashi, "Hierarchical Human Motion Compression with Constraints on Frames", IEEE Midwest Symposium on Circuits and Systems, pp. I-253-256, July, 2004.
  • Ishtiaq Rasool Khan, Masahiro Okuda, Ryoji Ohba, "MAXACC FIR Digital Differentiators of Higher Degrees", SICE(Society of Instrumentation and Control Engineers) Annual Conferece, August 2004
  • Toshiyuki Uto, Masahiro Okuda, Masaaki Ikehara, Shin-ichi Takahashi, "Range Image Registration Using Multiresolution Decomposition", IEEE International Workshop on Multimedia Signal Processing, Session#:PT2, September 2004.
  • Ishtiaq Rasool Khan, Masahiro Okuda, Rhoji Oba, "Maximally linear FIR digital differentiators for midband frequencies", IEEE International Symposium on Communications and Information Technologies 2004, 27PM1C-2 (ISCIT 2004)
  • Taito Osabe, Keiichiro Shirai, Toshiyuki Uto, Masahiro Okuda, Masaaki Ikehara, "A study on joint progressive coding of range data and texture images", IEEE International Symposium on Communications and Information Technologies 2004, 28PM2F-3 (ISCIT 2004)
  • Keiichiro Shirai, Masaaki Ikehara, Masahiro Okuda, "Fast Regular mesh approximation of 3D models by cylindrical mapping", IEEE International Symposium on Communications and Information Technologies 2004, 28PM2F-７ (ISCIT 2004)
  • Ishtiaq Rasool Khan, Masahiro Okuda, "A New Design of Type IV Digital Differentiators Based on Maximal Linearity Constraints Applied at ω = π / 2", 8th IEEE International Multitopic Conference (INMIC), Dec 2004.
  • Shiyu Li, Masahiro Okuda, and Shin-ichi Takahashi, "Kinematics based motion compression for human figure animation", International Conference on Acoustics, Speech, and Signal Processing (ICASSP2005), II-1077-1080, March 2005.
  • Ishtiaq Rasool Khan, Masahiro Okuda, Rhoji Oba, "Digital differentiators for narrow band applications in the lower to midband range", IEEE International Symposium on Circuits and Systems 2005, (ISCAS2005) Session No. B4L-L, May 2005.
  • Shiyu Li, Masahiro Okuda, Shin-ichi Takahashi, "Improved Kinematics Based Motion Compression for Human Figure Animation", #BMSP-05.O, International Conference on Communications, Circuits and Systems, ICCCAS2005
  • Shiyu Li, Masahiro Okuda, Shin-ichi Takahashi, "Embedded key-frame extraction for CG animation by frame decimation", Session No:WedPmPO1, International Conference on Multimedia and Expo, 7/2005.
  • Hideyuki Togawa, Masahiro Okuda, "Position-Based Keyframe Selection for Human Motion Animation", International Workshop on Network-based Virtual Reality and Tele-existence (INVITE’05), 7/2005
  • Hiroyuki Inatsuka, Makoto Uchino, Masahiro Okuda, "Level Of Detail Control for Textures on 3D Maps", International Workshop on Network-based Virtual Reality and Tele-existence (INVITE’05), 7/2005
  • Ishtiaq Rasool Khan and Masahiro Okuda," Simplification of Texture in 3D Urban Models Using the Hough Transform," The Fifth IASTED International Conference on Visualization, Imaging, & Image Processing VIIP2005, Sep. 2005
  • Ishtiaq Rasool Khan and Masahiro Okuda, "Multiresolution Modeling of 3D Maps", IEEE International Workshop on Multimedia Signal Processing (MMSP), Oct 2005.
  • Masahiro Okuda, Ishtiaq Rasool Khan, "Simplification of Texture in 3D Maps", International Workshop on Network-based Virtual Reality and Tele-existence (INVITE2006), Session INVITE3-2, April, 2006
  • Ishtiaq Rasool Khan, Masahiro Okuda, "New Designs of MAXFLAT FIR Halfband Low/High Pass Digital Filters with Narrow Transition Bands", International Conference on Acoustics, Speech and Signal Processing (ICASSP2006), Paper Code: DISPS-P2.7, May 2006
  • Keiichiro Shirai, Takanori Ito, Masahiro Okuda, and Masaaki Ikehara, "Area-distribution Uniformizing Parameterization for Preserving Features of 3D Meshes," Paper# M1-5, 12th Digital Signal Processing Workshop September 24-27, 2006
  • Ishtiaq Rasool Khan, Masahiro Okuda, "Texture Simplification in 3D Maps for Visualization at Low Resolution," IEEE International Symposium on Intelligent Signal Processing and Communication System (ISPACS2006), Paper# WAM1-1-6, Dec. 2006
  • Masaharu Kajitani, Naoko Nakagawa, Masahiro Okuda, "Real Time 3D Image Reconstruction Using a Point Cloud," IWAIT 2007 P6-25
  • Shin-ichiro Takahashi, Ishtiaq Rasool Khan, Masahiro Okuda, and Masaaki Ikehara, "Real Time 3D Avatar Transmission Using Cylinder Mapping," International Conference on Acoustics, Speech and Signal Processing (ICASSP2007), Paper# IMDSP-L1.4, 2007/4
  • Masahiro Okuda and Nicola Adami, "Raw Image Encoding Based on Polynomial Approximation," International Conference on Acoustics, Speech and Signal Processing (ICASSP2007), Paper# IMDSP-P9.8, 2007/4
  • Shiyu Li and Masahiro Okuda, "Watermarking for Progressive Human Motion Animation", International Conference on Multimedia and Expo ICME2007, W-P13.10, July 2007.
  • Mitsuhiro Ota, Yuko Iwamaru, and Masahiro Okuda, "Positioning Method of 3D Maps Based on Texture Retrieval", International Symposium on Information and Computer Elements ISICE Sept. 2007
  • Hironori Kaida, Yuzuru Yoshitake, Masahiro Okuda, "Pre-Processing for Wavelet Based High Dynamic Range Image Compression", International Symposium on Information and Computer Elements ISICE Sept. 2007
  • Takanori Uchida, Masaharu Kajitani and Masahiro Okuda, "Point Cloud Reconstruction and Rendering for Real Time 3D Imaging", International Symposium on Information and Computer Elements ISICE Sept. 2007
  • Tkao Jinno, Nicola Adami and Masahiro Okuda, " Acquisition and Encoding of High Dynamic Range Images using Inverse Tone Mapping", International Conference on Image Processing ICIP2007, TP-L6.6, Sept. 2007
  • Masahiro Okuda, Nicola Adami, "Effective color space representation for wavelet based compression of HDR images", International Conference on Image Analysis and Processing, ICIAP2007, Sept. 2007
  • Ishtiaq Rasool Khan, Masahiro Okuda, "A New Encoding Scheme for HDR Images", IEEE International Conference on Signal Processing And Communications, ICSPC November 2007.
  • Hironori Kaida, and Masahiro Okuda, "Image Compression Suitable for High Dynamic Range Image Rendering", International Workshop on Network-based Virtual Reality and Tele-existence (INVITE2008), Paper# INVITE2-2, March 25, 2008
  • Takao Jinno, Masahiro Okuda, "An Image Fusion Technique for High Dynamic Range Image Acquisition", Pan-Pacific Imaging Conference'08, pp.290-293, June 27 2008
  • Xinwei Xue, Masahiro Okuda, "The predictive Coding for Geometry Images of 3D Models based on Error Sensitivity", The 23rd International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), F5-3, July 8 2008
  • Nagisa Sugiyama, Masahiro Okuda, "A Study on VQ based Compression of High Dynamic Range Images", The 23rd International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), F5-4, July 8 2008
  • Fabrizio Guerrini, Masahiro Okuda, Nicola Adami, Riccardo Leonardi, "High dynamic Range Image Watermarking", The 23rd International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), G6-3, July 9 2008
  • Satoshi Ueno, Hiroyuki Inatsuka, Makoto Uchino and Masahiro Okuda, "Texture Classification and Resolution Control for 3D Urban Map", International Conference on Image Processing (ICIP) , Paper Code: MP.PD.5, Oct. 13 2008.
  • Takao Jinno and Masahiro Okuda, "Motion Blur Free HDR Image Acquisition using Multiple Exposures", International Conference on Image Processing (ICIP), Paper Code: TA.PA.2, Oct 14 , 2008.
  • Nagisa Sugiyama, Hironori Kaida, Xinwei Xue, Takao Jinno, Nicola Adami, Masahiro Okuda, "HDR IMAGE COMPRESSION USING OPTIMIZED TONE MAPPING MODEL", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), IMDSP-P4.3, April 2009
  • Takao Jinno, Satoshi Ueno, Masahiro Okuda, "Modified Visual Difference Predictor for Quantitative Evaluation of Decimated Images," International Workshop on Smart Info-Media Systems in Asia (SISA2009), RS3-4, Oct.22, 2009.
  • Ishtiaq Rasool Khan and　Masahiro Okuda, "A Compact Format for Coding of Texture in 3D Urban Models", International Conference on Image Processing (ICIP), Paper Code: MP.PI.1, Nov. 9 , 2009
  • Xinwei XUE, Takao JINNO, Masahiro OKUDA, "A study on high dynamic range image watermarking robust to tonemapping," International Workshop on Advanced Image Technology (IWAIT), Session P2, Jan, 2010
  • Alberto Boschetti, Nicola Adami, Riccardo Leonardi, Masahiro Okuda, "Flexible and Effective High Dynamic Range Image Coding," IEEE International Conference on Image Processing (ICIP2010), pp.3145-3148, Sep, 2010.
  • Takao Jinno, Kazuya Mouri, Okuda Masahiro, "HDR Video Tone Mapping based on Gamma Blending," IEEE International Conference on Image Processing (ICIP2010), pp. 2521-2524, Sep, 2010.
  • Yukihiro Bandoh, Guoping Qiu, Masahiro Okuda, Scott Daly, Til Aach, Oscar Au, "Recent Advances in High Dynamic Range Imaging Technology," IEEE International Conference on Image Processing (ICIP2010), pp. 3125-3128, Sep, 2010.
  • Takao Jinno, and Masahiro Okuda, "Advanced Weighting Scheme in the Rational Remez Algorithm for IIR Digital Filters," International Symposium on Communications and Information Technologies (ISCIT 2010) ThA1-1-1, 2010/10.
  • Alberto Boschetti, Nicola Adami, Riccardo Leonardi, and Masahiro Okuda, "An Optimal Video-Surveillance Approach for HDR Videos Tone Mapping," 19th European Signal Processing Conference (EUSIPCO2011), pp.274-277, Sep. 2011
  • Takao Jinno, Masahiro Okuda, and Nicola Adami, "Detail Preserving Multiple Bit-Depth Image Representation and Coding," IEEE International Conference on Image Processing (ICIP2011), p. 1533-1536, Sep. 2011
  • Alberto Boschetti, Nicola Adami, Riccardo Leonardi, and Masahiro Okuda, "Image coding with face descriptors embedding," IEEE International Conference on Image Processing (ICIP2011), pp. 3665-3668, Sep. 2011
  • Xinwei Xue, Masahiro Okuda and Satoshi Goto, "μ-Law Based Watermarking for HDR Image Robust to Tone Mapping", Special Section on State of the Art in High Dynamic Range Image Processing, PID:199, Asia-Pacific Signal and Information Processing Association (APSIPA) Anual Summit and Conference, Oct. 2011.
  • Takao Jinno, Masahiro Okuda, and Nicola Adami, "New Local Tone Mapping and Two-Layer Coding For HDR Images," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Papaer Code:IVMSP-L1.1, Mar. 2012.
  • Ayaka Yokoo, Masahiro Okuda, "Designing　Eigen　Kernel　for　Deblurring", ITC-CSCC, Sapporo, 2012
  • Hiroya Watanabe, Takao Jinno, Masahiro Okuda, Some advance on high contrast tone mapping and application to two layer coding, ITC-CSCC, Sapporo, 2012
  • K. Shirai, M, Okuda, T. Jinno, M. Okamoto, M. Ikehara, "Local Covariance Filtering for Color Images," AFCV Asian Conf. on Comp. Vision (ACCV), 2012 Nov., Korea
  • K Shirai, M Okuda, M IkeharaColor-line vector field and local color component decomposition for smoothing and denoising of color images, Pattern Recognition (ICPR), 2012 21st International Conference on, 3050-3053, Tsukuba
  • Ryo Matsuoka, Takao Jinno, Masahiro Okuda, "Multiple exposure integration with image denoising," Signal & Information Processing Association Annual Summit and Conference (APSIPA ASC), 2012 Asia-Pacific , pp.1-4, 3-6 Dec. 2012
  • Takao Jinno , Hiroya Watanabe , Masahiro Okuda, “High Contrast Tone-mapping and its Application for Two-layer High Dynamic Range Coding”, Asia-Pacific Signal & Information Processing Association Annual Summit and Conference (APSIPA ASC), 2012 ,3-6 Dec. 2012
  • Takuya Fujiki, Nicola Adami, Takao Jinno, Masahiro Okuda, “High Dynamic Range Image Compression using Base Map Coding”, Asia-Pacific Signal & Information Processing Association Annual Summit and Conference (APSIPA ASC), 2012 ,3-6 Dec. 2012.
  • Ryo Matsuoka, Takao Jinno, Masahiro Okuda, "Study on High Dynamic Range Image Integration with Noise Removal," The International Workshop on Advanced Image Technology (IWAIT), pp. 782, Jan. 2013.
  • Ryo Matsuoka, Tatsuya Baba, Masahiro Okuda, Keiichiro Shirai "High Dynamic Range Image Acquisition Using Flash Image," IVMSP-P1.13 Paper#3695, IEEE International Conference on Acoustics, Speech, and Signal Processing ICASSP , Vancouver, Canada, May 4-9 2013
  • Ryo Matsuoka, Tomohiro Yamauchi, Tatsuya Baba, Masahiro Okuda "Weight Optimization for Multiple Image Integration" WP.L2.7 Paper#1899, IEEE International Conference on Image Processing ICIP, Melbourne, Australia, Sep.15-18 2013
  • Keisuke Iwata, Keiichiro Shirai, Masahiro Okuda "LOCAL COLOR DISTRIBUTION PROJECTION FILTERING USING A HOMOGENEOUS COORDINATE SYSTEM" WA.PD.6 Paper#245 IEEE International Conference on Image Processing ICIP, Melbourne, Australia, Sep.15-18 2013
  • Hisakazu Kikuchi, Taiyo Deguchi, Kazuma shinoda and Masahiro Okuda, Compression of High Dynamic Range Images in the yu'v' Color Space, Proc. of 2013 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Yeosu, Korea, pp. 631-634, June 30-July 3, 2013
  • Hisakazu Kikuchi, Taiyo Deguchi, Masahiro Okuda, Lossless Compression of LogLuv32 HDR Images by Simple Bitplane Coding, 30th PCS, San Jose, pp. 265-268, Dec. 8-10, 2013
  • Tomohiro Yamauchi, Ryo Matsuoka, Masahiro Okuda, “Design of FIR Filters with Decimated Impulse Responses,” APSIPA ASC Annual Summit and Conference, OS.23-SPS.3: Paper#321, Taiwan, Oct. 30, 2013
  • Tatsuya Baba, Ryo Matsuoka, Masahiro Okuda, "Multiple image fusion for contrast enhancement in shadows," International Workshop on Advanced Image Technology, Bangkok, Thailand, Jan.6-8, Jan. Paper#26 2014
  • Tatsuya Baba, Ryo Matsuoka, Shunsuke Ono, Keiichiro Shirai, Masahiro Okuda, "Flash/No-flash Image Integration Using Convex Optimization”, IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), IVMSP-P3, 2014.
  • Ryo Kuroiwa, Ryo Matsuoka, Seisuke Kyochi, Keiichiro Shirai, Masahiro Okuda, "Lossless/Near-Lossless Color Image Coding by Inverse Demosaicing" ,IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), IVMSP-P5.9, 2014.
  • Yusuke Tatesumi, Keisuke Iwata, Keiichiro Shirai, Masahiro Okuda, "Color transform between image pair using covariance correspondences of local color distributions" ,IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), IVMSP-P3.10, 2014.
  • Keiichiro Shirai, Masahiro Okuda, "FFT based solution for multivariable l2 equations using KKT system via FFT and efficient pixel-wise inverse calculation" ,IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), SPTM-P7.6, 2014.
  • Ryo Matsuoka, Tatsuya Baba, Masahiro Okuda, “Constrained Design of FIR Filters with Sparse Coefficients,” Asia-Pacific Signal Processing Association Annual Summit and Conference, FP-P1-1084, 2014
  • Masao Yamagishi, Seisuke Kyochi, Keiichiro Shirai, Masahiro Okuda, "Regularization Approach for Bayer Reconstruction in Lossy Image Coding by Inverse Demosaicing," IEEE International Conference on Image Processing (ICIP),　 COM-P2.2, Quebec Sept. 2015
  • Ryo Matsuoka, Tatsuya Baba, Masahiro Okuda, "Multiple Exposure Integration for Restoring All In-Focus Images", IEEE International Conference on Image Processing (ICIP), TEC-P6.5, Quebec Sept. 2015
  • Ryo Matsuoka, Tatsuya Baba, Masahiro Okuda, "Reflectance Estimation and White Balancing Using Multiple Images", IEEE International Conference on Image Processing (ICIP), ELI-P3.3, Quebec Sept. 2015
  • Tatsuya Baba, Yusuke Tatesumi, Keiichiro Shirai, Masahiro Okuda, “An automatic yearbook style photo generation method using color grading and guide image filtering based facial skin color correction” IAPR Asian Conference on Pattern Recognition ACPR, Kuala Lumpur, Malaysia, 2015
  • Yusuke Shirahashi, Ryo Matsuoka, Masahiro Okuda, “Reflectance Estimation Using Multiple Exposure Images,” IEEE Global Conference on Consumer Electronics, Osaka, Oct. 2015
  • Shunsuke Ono, Keiichiro Shirai, and Masahiro Okuda,"Vectorial total variation based on arranged structure tensor for multichannel image restoration," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Shanghai, China, Mar. 2016

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