Somchart CHOKCHAITAM

A New Unified Lossless/Lossy Image Compression Based on a New Integer DCT
Somchart CHOKCHAITAM  Masahiro IWAHASHI  Somchai JITAPUNKUL 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/07/01
Vol. E88-D  No. 7  pp. 1598-1606
Type of Manuscript: Special Section PAPER (Special Section on Recent Advances in Circuits and Systems--Part 1)
Category: Image Processing and Multimedia Systems
Keyword: 
Integer-DCT,  lossless,  lossy,  image compression,  rounding operation,  rounding effect, 
  Summary |  Full Text:PDF
Performance Evaluation of Lossless/Lossy Wavelets for Image Compression under Lossless/Lossy Coding Criterion
Somchart CHOKCHAITAM  Masahiro IWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/08/01
Vol. E85-A  No. 8  pp. 1882-1891
Type of Manuscript: Special Section LETTER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
lossless,  lossy,  wavelet,  coding gain, 
  Summary |  Full Text:PDF
A Bit-Rate Adaptive Coding System Based on Lossless DCT
Somchart CHOKCHAITAM  Masahiro IWAHASHI  Pavol ZAVARSKY  Noriyoshi KAMBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2  pp. 403-413
Type of Manuscript: PAPER
Category: Digital Signal Processing
Keyword: 
lossless DCT (L-DCT),  coding,  lossy,  lossless,  near-lossless,  adaptive, 
  Summary |  Full Text:PDF
An Unwrapping of Signals in Transform Domain and Its Application in Signal Reconstruction
Pavol ZAVARSKY  Nobuo FUJII  Noriyoshi KAMBAYASHI  Masahiro IWAHASHI  Somchart CHOKCHAITAM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/07/01
Vol. E84-A  No. 7  pp. 1765-1771
Type of Manuscript: PAPER
Category: Image
Keyword: 
image compression,  signal reconstruction,  perfect reconstruction filter bank, 
  Summary |  Full Text:PDF
Integrated Lossy and Lossless Image Coding Based on Lossless Wavelet Transform and Lossy-Lossless Multi-Channel Prediction
Somchart CHOKCHAITAM  Masahiro IWAHASHI  Pavol ZAVARSKY  Noriyoshi KAMBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/05/01
Vol. E84-A  No. 5  pp. 1326-1338
Type of Manuscript: PAPER
Category: Image
Keyword: 
image,  coding,  lossless,  lossy,  filter bank, 
  Summary |  Full Text:PDF
Lossless Scalable Coding of Images via Lossless Multi-Channel Prediction
Masahiro IWAHASHI  Somchart CHOKCHAITAM  Narong BUABTHONG  Pavol ZAVARSKY  Noriyoshi KAMBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/07/20
Vol. E83-A  No. 7  pp. 1450-1457
Type of Manuscript: PAPER
Category: Image
Keyword: 
lossless,  coding,  wavelet,  JPEG, 
  Summary |  Full Text:PDF