Full metadata record
DC pole | Hodnota | Jazyk |
---|---|---|
dc.contributor.author | Bařina, David | |
dc.contributor.author | Kula, Michal | |
dc.contributor.author | Matýšek, Michal | |
dc.contributor.author | Zemčík, Pavel | |
dc.contributor.editor | Skala, Václav | |
dc.date.accessioned | 2017-09-01T07:55:06Z | |
dc.date.available | 2017-09-01T07:55:06Z | |
dc.date.issued | 2017 | |
dc.identifier.citation | Journal of WSCG. 2017, vol. 25, no. 2, p. 77-85. | en |
dc.identifier.issn | 1213-6972 (print) | |
dc.identifier.issn | 1213-6980 (CD-ROM) | |
dc.identifier.issn | 1213-6964 (on-line) | |
dc.identifier.uri | wscg.zcu.cz/WSCG2017/!_2017_Journal_WSCG-No-2.pdf | |
dc.identifier.uri | http://hdl.handle.net/11025/26285 | |
dc.format | 9 s. | cs |
dc.format.mimetype | application/pdf | |
dc.language.iso | en | en |
dc.publisher | Václav Skala - UNION Agency | cs |
dc.relation.ispartofseries | Journal of WSCG | en |
dc.rights | © Václav Skala - UNION Agency | cs |
dc.subject | diskrétní vlnová transformace | cs |
dc.subject | zpracování obrazu | cs |
dc.subject | synchronizace | cs |
dc.subject | grafický procesor | cs |
dc.title | Accelerating discrete wavelet transforms on parallel architectures | en |
dc.type | článek | cs |
dc.type | article | en |
dc.rights.access | openAccess | en |
dc.type.version | publishedVersion | en |
dc.description.abstract-translated | The 2-D discrete wavelet transform (DWT) can be found in the heart of many image-processing algorithms. Until recently, several studies have compared the performance of such transform on various shared-memory parallel architectures, especially on graphics processing units (GPUs). All these studies, however, considered only separable calculation schemes. We show that corresponding separable parts can be merged into non-separable units, which halves the number of steps. In addition, we introduce an optional optimization approach leading to a reduction in the number of arithmetic operations. The discussed schemes were adapted on the OpenCL framework and pixel shaders, and then evaluated using GPUs of two biggest vendors. We demonstrate the performance of the proposed non-separable methods by comparison with existing separable schemes. The non-separable schemes outperform their separable counterparts on numerous setups, especially considering the pixel shaders. | en |
dc.subject.translated | discrete wavelet transform | en |
dc.subject.translated | image processing | en |
dc.subject.translated | synchronization | en |
dc.subject.translated | graphics processors | en |
dc.type.status | Peer-reviewed | en |
Vyskytuje se v kolekcích: | Volume 25, Number 2 (2017) |
Soubory připojené k záznamu:
Soubor | Popis | Velikost | Formát | |
---|---|---|---|---|
Barina.pdf | Plný text | 628,05 kB | Adobe PDF | Zobrazit/otevřít |
Použijte tento identifikátor k citaci nebo jako odkaz na tento záznam:
http://hdl.handle.net/11025/26285
Všechny záznamy v DSpace jsou chráněny autorskými právy, všechna práva vyhrazena.