izpis_h1_title_alt

SWT voting-based color reduction for text detection in natural scene images
Ikica, Andrej (Avtor), Peer, Peter (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://asp.eurasipjournals.com/content/2013/1/95 Povezava se odpre v novem oknu

Izvleček
In this article, we propose a novel stroke width transform (SWT) voting-based color reduction method for detecting text in natural scene images. Unlike other text detection approaches that mostly rely on either text structure or color, the proposed method combines both by supervising text-oriented color reduction process with additional SWT information. SWT pixels mapped to color space vote in favor of the color they correspond to. Colors receiving high SWT vote most likely belong to text areas and are blocked from being mean-shifted away. Literature does not explicitly address SWT search direction issue; thus, we propose an adaptive sub-block method for determining correct SWT direction. Both SWT voting-based color reduction and SWT direction determination methods are evaluated on binary (text/non-text) images obtained from a challenging Computer Vision Lab optical character recognition database. SWT voting-based color reduction method outperforms the state-of-the-art text-oriented color reduction approach.

Jezik:Angleški jezik
Ključne besede:detekcija teksta, slike naravnih scen, SWT, barvna redukcija, glasovanje SWT, detekcija smeri SWT, profili SWT, CVL OCR DB
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FRI - Fakulteta za računalništvo in informatiko
Leto izida:2013
Založnik:Springer
Št. strani:str. 1-26
Številčenje:Vol. 2013, no. 95
UDK:004.92
ISSN pri članku:1687-6180
DOI:10.1186/1687-6180-2013-95 Povezava se odpre v novem oknu
COBISS.SI-ID:9854292 Povezava se odpre v novem oknu
Število ogledov:573
Število prenosov:244
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
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Gradivo je del revije

Naslov:EURASIP journal on advances in signal processing
Skrajšan naslov:EURASIP J. Adv. Signal Process. (Online)
Založnik:Springer
ISSN:1687-6180
COBISS.SI-ID:16747030 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Neznan jezik
Ključne besede:text detection, natural scene images, stroke width transform, SWT, color reduction, SWT voting, SWT direction determination, SWT profiles, CVL OCR DB

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