Hirohisa JOZAWA


A Coding Method For High Bit-Depth Images Based on Adaptive Bit Depth Transform
Takeshi ITO  Yukihiro BANDOH  Seishi TAKAMURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/11/01
Vol. J95-D  No. 11  pp. 1927-1934
Type of Manuscript: PAPER
Category: 
Keyword: 
high dynamic rangehigh bit depthvideo codingbit depth transform
  Summary |  Full Text(in Japanese):PDF (2.1MB)

A Study on Complexity Reduction Methods for HEVC Intra Prediction
Daisuke KOBAYASHI  Koyo NITTA  Mitsuo IKEDA  Kazuto KAMIKURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-D  No. 9  pp. 1661-1663
Type of Manuscript: Special Section LETTER (Special Section on Picture Coding and Image Media)
Category: 
Keyword: 
HEVCintra predictioncomplexity reduction
  Summary |  Full Text(in Japanese):PDF (271KB)

Evolutive Denoising Filter for Image/Video Coding
Seishi TAKAMURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-D  No. 9  pp. 1664-1665
Type of Manuscript: Special Section LETTER (Special Section on Picture Coding and Image Media)
Category: 
Keyword: 
HEVCdenoising filtergenetic programming
  Summary |  Full Text(in Japanese):PDF (408.8KB)

Application of Non-local Means Filter for Adaptive Loop Filter
Masaaki MATSUMURA  Seishi TAKAMURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-D  No. 9  pp. 1666-1668
Type of Manuscript: Special Section LETTER (Special Section on Picture Coding and Image Media)
Category: 
Keyword: 
non-local means filterHEVCadaptive loop filter
  Summary |  Full Text(in Japanese):PDF (355.7KB)

A Basic Study on Locally Adaptive Interpolation Filter
Shohei MATSUO  Seishi TAKAMURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-D  No. 9  pp. 1675-1677
Type of Manuscript: Special Section LETTER (Special Section on Picture Coding and Image Media)
Category: 
Keyword: 
HEVCmotion compensationadaptive interpolation filterLCU-based
  Summary |  Full Text(in Japanese):PDF (185.2KB)

Improvement of Intra Prediction Using Multiple Reference Lines
Shohei MATSUO  Yukihiro BANDOH  Seishi TAKAMURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/12/01
Vol. J94-D  No. 12  pp. 1940-1942
Type of Manuscript: Special Section LETTER (Special Section on Picture Coding and Image Media)
Category: 
Keyword: 
H.264/AVCintra predictionmultiple reference lineocclusion
  Summary |  Full Text(in Japanese):PDF (312.9KB)

Error Concealment Using Block-Based Switching of Signal Reconstruction Methods
Kazuya HAYASE  Hiroshi FUJII  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/12/01
Vol. J94-D  No. 12  pp. 1949-1951
Type of Manuscript: Special Section LETTER (Special Section on Picture Coding and Image Media)
Category: 
Keyword: 
scalable video codingerror concealment
  Summary |  Full Text(in Japanese):PDF (302KB)

Full High Definition Video Distribution System Using SVC
Kazuya HAYASE  Yukihiro BANDOH  Hiroshi FUJII  Seishi TAKAMURA  Kazuto KAMIKURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/10/01
Vol. J93-D  No. 10  pp. 2177-2187
Type of Manuscript: Special Section PAPER (Special Issue on Development of Advanced Information and Communication Systems)
Category: 
Keyword: 
scalable video codingSVCfull high definition4Krealtime
  Summary |  Full Text(in Japanese):PDF (666KB)

A Study of Coding Method for High Bit Depth Image Using Bit Depth Transform
Takeshi ITO  Yukihiro BANDOH  Seishi TAKAMURA  Hirohisa JOZAWA  Kazuto KAMIKURA  Yoshiyuki YASHIMA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/09/01
Vol. J93-D  No. 9  pp. 1658-1660
Type of Manuscript: Special Section LETTER (Special Section on Picture on Coding and Image Media)
Category: 
Keyword: 
high dynamic rangehigh bit depthvideo codingbit depth transform
  Summary |  Full Text(in Japanese):PDF (907.4KB)

Analytical Evaluation on the Energy Compaction Provided by Karhunen-Loeve Transform
Hiroki OHBAYASHI  Yukihiro BANDOH  Seishi TAKAMURA  Hirohisa JOZAWA  Yoshiyuki YASHIMA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2010/09/01
Vol. J93-A  No. 9  pp. 626-637
Type of Manuscript: PAPER
Category: 
Keyword: 
Karhunen-Loeve transformvon Neumann entropyenergy compaction
  Summary |  Full Text(in Japanese):PDF (479.2KB)

A Study on Adaptive Interpolation Filter with Region Dividing Technique
Shohei MATSUO  Seishi TAKAMURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/09/01
Vol. J93-D  No. 9  pp. 1631-1633
Type of Manuscript: Special Section LETTER (Special Section on Picture on Coding and Image Media)
Category: 
Keyword: 
H.264/AVCmotion compensationadaptive interpolation filterregion dividing
  Summary |  Full Text(in Japanese):PDF (130.6KB)

A Study of Adaptive Temporal Filtering Based on High Density Temporal Sampling
Yukihiro BANDOH  Seishi TAKAMURA  Hirohisa JOZAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/09/01
Vol. J93-D  No. 9  pp. 1655-1657
Type of Manuscript: Special Section LETTER (Special Section on Picture on Coding and Image Media)
Category: 
Keyword: 
high frame-rate videoframe-rate conversionvideo coding
  Summary |  Full Text(in Japanese):PDF (72.7KB)