文章基本信息

标题：HDR IMAGING FOR FEATURE DETECTION ON DETAILED ARCHITECTURAL SCENES
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作者：G. Kontogianni ; E. K. Stathopoulou ; A. Georgopoulos 等
期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2015
卷号：XL-5/W4
页码：325-330
DOI：10.5194/isprsarchives-XL-5-W4-325-2015
出版社：Copernicus Publications
摘要：3D reconstruction relies on accurate detection, extraction, description and matching of image features. This is even truer for complex architectural scenes that pose needs for 3D models of high quality, without any loss of detail in geometry or color. Illumination conditions influence the radiometric quality of images, as standard sensors cannot depict properly a wide range of intensities in the same scene. Indeed, overexposed or underexposed pixels cause irreplaceable information loss and degrade digital representation. Images taken under extreme lighting environments may be thus prohibitive for feature detection/extraction and consequently for matching and 3D reconstruction. High Dynamic Range (HDR) images could be helpful for these operators because they broaden the limits of illumination range that Standard or Low Dynamic Range (SDR/LDR) images can capture and increase in this way the amount of details contained in the image. Experimental results of this study prove this assumption as they examine state of the art feature detectors applied both on standard dynamic range and HDR images
关键词：Feature detection; High dynamic range; Tone mapping; Architectural Scenes