Keyword : DCT

Denoising Methods Using and Quantization Restriction and Mixture of Several Frames by Motion Estimation
Yusuke ARAI  Keigo MUTO  Jiro KATTO  Shinichi SAKAIDA  Kazuhisa IGUCHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/09/01
Vol. J93-D  No. 9  pp. 1649-1651
Type of Manuscript: Special Section LETTER (Special Section on Picture on Coding and Image Media)
Category: 
Keyword: 
quantization error,  DCT,  motion estimation, 
  Summary |  Full Text(in Japanese):PDF (152.4KB)
Fitting Functions for Noninteger Shift Value Estimation Using DCT Sign Phase Correlation
Izumi ITO  Hitoshi KIYA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2009/03/01
Vol. J92-A  No. 3  pp. 172-181
Type of Manuscript: PAPER
Category: 
Keyword: 
DCT sign phase correlation,  phase-only correlation,  subpixel estimation,  DCT, 
  Summary |  Full Text(in Japanese):PDF (994.4KB)
Multiple Prediction of DCT Coefficients Based on Higher Order Derivative Matching and Its Application to Image Compression
Keita ASHIZAWA  Katsu YAMATANI 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2008/08/01
Vol. J91-A  No. 8  pp. 808-816
Type of Manuscript: PAPER
Category: 
Keyword: 
DCT,  image compression,  JPEG,  blocking artifacts,  AC prediction,  polynomial, 
  Summary |  Full Text(in Japanese):PDF (1.4MB)
A Study on Image Reconstruction Method by Preserving Structural Features in DCT Coefficients
Taro SAITO  Masashi KAMEDA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2008/08/01
Vol. J91-D  No. 8  pp. 1967-1970
Type of Manuscript: Special Section LETTER (Special Section on Picture Coding and Image Media)
Category: 
Keyword: 
DCT,  image reconstruction,  DCT coefficients,  structural features of image,  Laplace distribution, 
  Summary |  Full Text(in Japanese):PDF (345KB)
Relationship between Signs of DCT Coefficients and Phase-Only Correlation
Izumi ITO  Masaaki FUJIYOSHI  Hitoshi KIYA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2007/07/01
Vol. J90-A  No. 7  pp. 567-577
Type of Manuscript: PAPER
Category: 
Keyword: 
DCT sign-only image,  DCT,  mirror image phase-only correlation,  phase-only correlation, 
  Summary |  Full Text(in Japanese):PDF (1.1MB)
A Study on Improving Image Quality of High Compressed Still Pictures
Tomio GOTO  Tatsuya YAMAZAKI  Masaru SAKURAI  Tadashi KITAMURA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2007/07/01
Vol. J90-D  No. 7  pp. 1679-1681
Type of Manuscript: Special Section LETTER (Special Section on Picture Coding and Image Media)
Category: 
Keyword: 
improving image quality,  DCT, 
  Summary |  Full Text(in Japanese):PDF (202.2KB)