DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | 김민혁 | - |
dc.contributor.author | Na, Jiwoong | - |
dc.contributor.author | 나지웅 | - |
dc.date.accessioned | 2024-08-08T19:30:17Z | - |
dc.date.available | 2024-08-08T19:30:17Z | - |
dc.date.issued | 2024 | - |
dc.identifier.uri | http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=1097317&flag=dissertation | en_US |
dc.identifier.uri | http://hdl.handle.net/10203/321792 | - |
dc.description | 학위논문(석사) - 한국과학기술원 : 전산학부, 2024.2,[iv, 24 p. :] | - |
dc.description.abstract | Due to the limitations of camera sensors, there are situations where a single shot does not adequately capture the brightness across all areas of a scene. These sensor limitations can be overcome through high dynamic range imaging technology. Bracketing, which involves capturing a scene multiple times with different exposure settings, is not suitable for capturing moving objects and can be time-consuming. In this study, we propose a compact light field camera that can capture images with different exposures in a single shot. Light field cameras come in two main forms: the first uses an array of multiple cameras, and the second places a micro-lens array behind a large lens. The ultra-thin light field camera developed in this study is designed with a micro-lens array attached to the sensor, with each lens having a different aperture size to capture different exposure results in a single shot. After preprocessing the captured sub-aperture images to enhance image quality, we propose an HDR algorithm to obtain the image with a higher dynamic range compared to individual sub-aperture images. We suggest the equation designed based on exposure time to assign different weights based on the aperture value. This modification allows to achieve HDR imaging in a single shot. Furthermore, exploiting the disparity information from the ultra-thin light field camera, we propose stereo depth estimation process including camera calibration. | - |
dc.language | eng | - |
dc.publisher | 한국과학기술원 | - |
dc.subject | 라이트필드 카메라▼a다중 시점 카메라▼a하이 다이내믹 이미지▼aHDR 이미지▼a거리추정 | - |
dc.subject | Light field camera▼aMulti-view camera▼aHigh dynamic range imaging▼aHDR imaging▼aDepth estimation | - |
dc.title | Developing an HDR 3D imaging algorithm for an ultra-thin light-field camera | - |
dc.title.alternative | 초박형 라이트필드 카메라를 위한 HDR 3D 이미징 알고리즘 개발 | - |
dc.type | Thesis(Master) | - |
dc.identifier.CNRN | 325007 | - |
dc.description.department | 한국과학기술원 :전산학부, | - |
dc.contributor.alternativeauthor | Kim, Min Hyuk | - |
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