A Parallel Framework for Fast Photomosaics
- Authors
- Kang, Dongwann; Seo, Sang-Hyun; Ryoo, Seung-Taek; Yoon, Kyung-Hyun
- Issue Date
- Oct-2011
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- non-photorealistic rendering; photomosaics; GPU
- Citation
- IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E94D, no.10, pp 2036 - 2042
- Pages
- 7
- Journal Title
- IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS
- Volume
- E94D
- Number
- 10
- Start Page
- 2036
- End Page
- 2042
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/21209
- DOI
- 10.1587/transinf.E94.D.2036
- ISSN
- 0916-8532
- Abstract
- Main bottleneck of photomosaic algorithm is a search for a best matched image. Unlike several techniques which use fast approximation search for increasing the speed, we propose a parallel framework for fast photomosaic using a programmable GPU. This paper suggests a design of vertex structure for a best match searching on each cell of photomosaic grid and shows a texture representation of image database. The shader programs which are used for searching a best match and rendering image tiles into a display are presented. In addition, a simple duplicate reduction and color correction methods are proposed. Our algorithm not only offers dramatic enhancement of speed, but also always guarantees the 'exact' result.
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Collections - College of Software > School of Computer Science and Engineering > 1. Journal Articles
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