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Development of a Low-Cost Luminance Imaging Device with Minimal Equipment Calibration Procedures for Absolute and Relative Luminance

التفاصيل البيبلوغرافية
العنوان: Development of a Low-Cost Luminance Imaging Device with Minimal Equipment Calibration Procedures for Absolute and Relative Luminance
المؤلفون: Bishop D, Chase, Geoff
بيانات النشر: MDPI AG
سنة النشر: 2023
المجموعة: University of Canterbury, Christchurch: UC Research Repository
مصطلحات موضوعية: luminance maps, luminance imaging, low-cost, photometry, luminance-based lighting design, imaging photometers, Fields of Research::33 - Built environment and design::3302 - Building::330299 - Building not elsewhere classified, Fields of Research::33 - Built environment and design::3301 - Architecture::330108 - Interior design
الوصف: Luminance maps are information-dense measurements that can be used to directly evaluate and derive a number of important lighting measures, and improve lighting design and practices. However, cost barriers have limited the uptake of luminance imaging devices. This study presents a low-cost custom luminance imaging device developed from a Raspberry Pi microcomputer and camera module; however, the work may be extended to other low-cost imaging devices. Two calibration procedures for absolute and relative luminance are presented, which require minimal equipment. To remove calibration equipment limitations, novel procedures were developed to characterize sensor linearity and vignetting, where the accurate characterization of sensor linearity allows the use of lower-cost and highly non-linear sensors. Overall, the resultant device has an average absolute luminance error of 6.4% and an average relative luminance error of 6.2%. The device has comparable accuracy and performance to other custom devices, which use higher-cost technologies and more expensive calibration equipment, and significantly reduces the cost barrier for luminance imaging and the better lighting it enables.
نوع الوثيقة: article in journal/newspaper
وصف الملف: application/pdf
اللغة: English
تدمد: 2075-5309
العلاقة: Bishop D, Chase JG Development of a Low-Cost Luminance Imaging Device with Minimal Equipment Calibration Procedures for Absolute and Relative Luminance. Buildings. 13(5). 1266-1266.; https://hdl.handle.net/10092/105695Test; http://doi.org/10.3390/buildings13051266Test
DOI: 10.3390/buildings13051266
الإتاحة: https://doi.org/10.3390/buildings13051266Test
https://hdl.handle.net/10092/105695Test
حقوق: Copyright: © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). ; http://hdl.handle.net/10092/17651Test
رقم الانضمام: edsbas.44F38279
قاعدة البيانات: BASE
الوصف
تدمد:20755309
DOI:10.3390/buildings13051266