| 講演抄録/キーワード |
| 講演名 |
2010-01-07 15:30
Two-dimensional barcode system with extreme density
-- some investigation on the error correcting mechanism -- ○Yuichi Kaji(NAIST) IT2009-56 |
| 抄録 |
(和) |
(まだ登録されていません) |
| (英) |
A preliminary issue of the error correcting mechanism for a
two-dimensional barcode system is studied. To write down information
on a paper is the most reliable way to record information over a very
long period of time. Using a two-dimensional barcode is effective to
increase the density of printed information, but barcodes with higher
density will be more sensitive to the printing quality and possible
soils over the barcode image. One possible solution to this issue is
to make use of powerful error correcting codes and soft-decision
decoding. In this report, we study a basic property of the channel
defined by a printer and a scanner, and discuss how to obtain good
soft-values from the scanned image of a barcode whose cell size is
very small. |
| キーワード |
(和) |
/ / / / / / / |
| (英) |
two-dimensional barcode / information recording / soft-deision decoding / matched filter / digital image processing / / / |
| 文献情報 |
信学技報, vol. 109, no. 357, IT2009-56, pp. 29-34, 2010年1月. |
| 資料番号 |
IT2009-56 |
| 発行日 |
2009-12-31 (IT) |
| ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します.(許諾番号:10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
査読に ついて |
本技術報告は査読を経ていない技術報告であり,推敲を加えられていずれかの場に発表されることがあります. |
| PDFダウンロード |
IT2009-56 |