An Improved White-RGB Color Filter Array Based CMOS Imaging System for Cell Phones in Low-Light Environments
- Title
- An Improved White-RGB Color Filter Array Based CMOS Imaging System for Cell Phones in Low-Light Environments
- Author
- 정정화
- Keywords
- digital camera; CFA design; WRGB CFA; adaptive diagonal color separation
- Issue Date
- 2014-05
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG, KIKAI-SHINKO-KAIKAN BLDG, 3-5-8, SHIBA-KOEN, MINATO-KU, TOKYO, 105-0011, JAPAN
- Citation
- IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, 권: E97D, 호: 5, 페이지: 1386-1389
- Abstract
- In this paper, a novel White-RGB (WRGB) color filter array-based imaging system for cell phone is presented to reduce noise and reproduce color in low illumination. The core process is based on adaptive diagonal color separation to recover color components from a white signal using diagonal reference blocks and location-based color ratio estimation in the luminance space. The experiments, which are compared with the RGB and state-of-the-art WRGB approaches, show that our imaging system performs well for various spatial frequency images and color restoration in low-light environments.
- URI
- https://www.jstage.jst.go.jp/article/transinf/E97.D/5/E97.D_1386/_articlehttp://hdl.handle.net/20.500.11754/49651
- ISSN
- 1745-1361
- DOI
- 10.1587/transinf.E97.D.1386
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
- Files in This Item:
There are no files associated with this item.
- Export
- RIS (EndNote)
- XLS (Excel)
- XML