OcrV1, Main, Exploration, bibRecord, 000565

Fast approach for toner saving

Identifieur interne : 000565 ( Main/Exploration ); précédent : 000564; suivant : 000566

Fast approach for toner saving

Auteurs : Ilia V. Safonov [Russie] ; Ilya V. Kurilin [Russie] ; Michael N. Rychagov [Russie] ; Hokeun Lee [Corée du Sud] ; Sangho Kim [Corée du Sud] ; Donchul Choi [Corée du Sud]

Source :

Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2011.

RBID : Pascal:11-0279058

Descripteurs français

Pascal (Inist)
- Imprimante, Imagerie, Modem, Impression, Mode propre, Complexité calcul, Protocole routage, Dégradation, Positionnement, Reconnaissance optique caractère, 0130C, 4230.
Wicri :
- topic : Imprimante, Modem.

English descriptors

KwdEn :
- Computational complexity, Degradation, Eigenmode, Imagery, Modems, Optical character recognition, Positioning, Printers, Printing, Routing protocols.

Abstract

Reducing toner consumption is an important task in modem printing devices and has a significant positive ecological impact. Existing toner saving approaches have two main drawbacks: appearance of hardcopy in toner saving mode is worse in comparison with normal mode; processing of whole rendered page bitmap requires significant computational costs. We propose to add small holes of various shapes and sizes to random places inside a character bitmap stored in font cache. Such random perforation scheme is based on processing pipeline in RIP of standard printer languages Postscript and PCL. Processing of text characters only, and moreover, processing of each character for given font and size alone, is an extremely fast procedure. The approach does not deteriorate halftoned bitmap and business graphics and provide toner saving for typical office documents up to 15-20%. Rate of toner saving is adjustable. Alteration of resulted characters' appearance is almost indistinguishable in comparison with solid black text due to random placement of small holes inside the character regions. The suggested method automatically skips small fonts to preserve its quality. Readability of text processed by proposed method is fine. OCR programs process that scanned hardcopy successfully too.

Affiliations:

Corée du Sud, Russie

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000134
to stream PascalFrancis, to step Curation: 000639
to stream PascalFrancis, to step Checkpoint: 000119
to stream Main, to step Merge: 000571
to stream Main, to step Curation: 000565

Le document en format XML

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<front><div type="abstract" xml:lang="en">Reducing toner consumption is an important task in modem printing devices and has a significant positive ecological impact. Existing toner saving approaches have two main drawbacks: appearance of hardcopy in toner saving mode is worse in comparison with normal mode; processing of whole rendered page bitmap requires significant computational costs. We propose to add small holes of various shapes and sizes to random places inside a character bitmap stored in font cache. Such random perforation scheme is based on processing pipeline in RIP of standard printer languages Postscript and PCL. Processing of text characters only, and moreover, processing of each character for given font and size alone, is an extremely fast procedure. The approach does not deteriorate halftoned bitmap and business graphics and provide toner saving for typical office documents up to 15-20%. Rate of toner saving is adjustable. Alteration of resulted characters' appearance is almost indistinguishable in comparison with solid black text due to random placement of small holes inside the character regions. The suggested method automatically skips small fonts to preserve its quality. Readability of text processed by proposed method is fine. OCR programs process that scanned hardcopy successfully too.</div>
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Fast approach for toner saving

Fast approach for toner saving

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

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