Digital Imaging Systems for Historical Documents: Improvement of Legibility by Frequency Filters

Society for Imaging Science and Technology: Image Processing, Image Quality, Image Capture, Systems Conference

Volumn , Issue , 2003, Pages 291-295

  Miyata, Kimiyoshi ^a   Kurushima, Hiroshi ^a  

^a NATIONAL MUSEUM OF JAPANESE HISTORY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CAMERAS; CHARGE COUPLED DEVICES; DATA REDUCTION; HIGH PASS FILTERS; IMAGE QUALITY; IMAGING SYSTEMS; LOW PASS FILTERS; PHOTOGRAPHY; PRINTERS (COMPUTER); RELIABILITY;

HISTORICAL DOCUMENTS; IMAGE ACQUISITION;

IMAGE PROCESSING;

EID: 1542362259     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (4)

1. Norimichi Tsumura, et al, Estimation of spectral reflectance from multi-band images by multiple regression analysis, Japanese Journal of Optics, Vol. 27, No. 7, pp. 384-391, 1998 (in Japanese)
2. Tetsuya Ishihara, et al, Dependence of Directivity in Spatial Frequency Response of the Human Eye (2) -Mathematical Modeling of Modulation Transfer Function-, Journal of The Society of Photographic Science and Technology of Japan, Vol. 65, No. 2, pp.128-133, 2002 (in Japanese)
3. Chawan Koopipat, et al, Image Evaluation and Analysis of Ink Jet Printing System (I) MTF Measurement and Analysis of Ink Jet Images, Journal of Imaging Science and Technology, Vol. 45, No. 6, pp. 591-597, 2001
4. Alex Paul Pentland, A New Sense for Depth of Field, IEEE Transaction on Pattern Analysis and Machine Intelligence, Vol. 9, No. 4, pp. 523-531, 1987