Taizo SUZUKI


Cube-Based Encryption-then-Compression System for Video Sequences
Kosuke SHIMIZU Taizo SUZUKI Keisuke KAMEYAMA 
Publication:   
Publication Date: 2018/11/01
Vol. E101-A  No. 11  pp. 1815-1822
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Image
Keyword: 
cube-based perceptual encryptionencryption-then-compression systemMotion JPEG
 Summary | Full Text:PDF(4.7MB)

Dual-DCT-Lifting-Based Lapped Transform with Improved Reversible Symmetric Extension
Taizo SUZUKI Masaaki IKEHARA 
Publication:   
Publication Date: 2017/05/01
Vol. E100-A  No. 5  pp. 1109-1118
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
discrete cosine transformlapped transformlifting structurelossy-to-lossless image codingreversible symmetric extension
 Summary | Full Text:PDF(1.3MB)

Adaptive Reversible Data Hiding via Integer-to-Integer Subband Transform and Adaptive Generalized Difference Expansion Method
Taichi YOSHIDA Taizo SUZUKI Masaaki IKEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/01/01
Vol. E97-A  No. 1  pp. 384-392
Type of Manuscript:  PAPER
Category: Image
Keyword: 
adaptive reversible data hidingadaptive generalized difference expansionfrequency domaininteger-to-integer subband transform
 Summary | Full Text:PDF(2.3MB)

M-Channel Fast Hartley Transform Based Integer DCT for Lossy-to-Lossless Image Coding
Taizo SUZUKI Hirotomo ASO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/04/01
Vol. E96-A  No. 4  pp. 762-768
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
direct-liftingfast Hartley transform (FHT)integer discrete cosine transform (IntDCT)lossy-to-lossless image coding
 Summary | Full Text:PDF(470KB)

Two Dimensional Non-separable Adaptive Directional Lifting Structure of Discrete Wavelet Transform
Taichi YOSHIDA Taizo SUZUKI Seisuke KYOCHI Masaaki IKEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/10/01
Vol. E94-A  No. 10  pp. 1920-1927
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
two dimensional non-separable lifting structurediscrete wavelet transformadaptive directional filteringlossy and lossless image coding
 Summary | Full Text:PDF(1.2MB)

M-Channel Paraunitary Filter Banks Based on Direct Lifting Structure of Building Block and Its Inverse Transform for Lossless-to-Lossy Image Coding
Taizo SUZUKI Masaaki IKEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/08/01
Vol. E93-A  No. 8  pp. 1457-1464
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
paraunitary filter bank (PUFB)direct liftinglossless-to-lossy image codingside information block (SIB)
 Summary | Full Text:PDF(811.7KB)

Integer Discrete Cosine Transform via Lossless Walsh-Hadamard Transform with Structural Regularity for Low-Bit-Word-Length
Taizo SUZUKI Masaaki IKEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/04/01
Vol. E93-A  No. 4  pp. 734-741
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
integer discrete cosine transform (IntDCT)dyadic valueslow-bit-word-lengthlossless Walsh-Hadamard transform (LWHT)lossless-to-lossy image coding
 Summary | Full Text:PDF(520.9KB)

Design of M-Channel Perfect Reconstruction Filter Banks with IIR-FIR Hybrid Building Blocks
Shunsuke IWAMURA Taizo SUZUKI Yuichi TANAKA Masaaki IKEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/08/01
Vol. E90-A  No. 8  pp. 1636-1643
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
M-channel infinite impulse response perfect reconstruction filter banksstate space representationFIR-IIR hybrid building blocks
 Summary | Full Text:PDF(379.4KB)