Abstract
Abstract. Smartphone camera technology has made significant improvements of sensors quality and software camera performance in recent years. Devices as Apple iPhone X and the Samsung Galaxy S9 Plus, allow to reach levels of image resolution, sharpness and color accuracy very close to prosumer SLR cameras, enabling also on-the-fly processing and procedures which were considered impossible to achieve until a few years ago. Starting from these premises, a series of issues and opportunities concerning smartphone application to artifacts documentation will be discussed. In particular, consistency and reliability of both shape and color representation achievable for small-medium artifacts belonging to exhibitions and museum collections. A low-cost, easy-to-use workflow based on low-cost widespread devices will be compared to consolidated digitization pipelines. The contribution focus is based on color accuracy of textured models achievable through smartphones by means of an internally developed application for the achievement of highly reliable developments of raw formats (.DNG) from Apple iPhone X. Color consistency will be calculated in terms of the mean camera chroma relative to the mean ideal chroma in the CIE color metric (ΔE*00) as defined in 2000 by the CIE on the CIEXYZ chromaticity diagram.
Highlights
In recent years, smartphone camera technology has made formidable improvements regarding sensors quality and software camera performance, thanks to the flourishing of scientific research in the area
Smartphone camera technology has made formidable improvements regarding sensors quality and software camera performance, thanks to the flourishing of scientific research in the area. Recent smartphones, such as the Apple iPhone X and the Samsung Galaxy S9 Plus, allow to reach levels of image resolution, sharpness and color accuracy very close to prosumer SLR cameras (DXO, 2019), enabling on-the-fly processing and procedures which were considered impossible to realize until a few years ago
Smartphone camera technology has made significant improvements of sensors quality and software camera performance in recent years, reaching levels of image resolution, sharpness and color accuracy very close to prosumer SLR cameras, enabling on-the-fly processing and procedures which were considered impossible to realize until few years ago
Summary
Smartphone camera technology has made formidable improvements regarding sensors quality and software camera performance, thanks to the flourishing of scientific research in the area. We present a semi-automated, easy to use workflow based on a recent smartphone, the Apple iPhone X (Apple, 2019), and exploiting software solution commercial but low-cost and/or developed by our group for SLR cameras in previous experiences The aim of the solution is to enable a 3D digital culture in the small and medium museums, where most of the heritage objects are preserved. These cases present the severe problem of technological innovation, with special regards to small and medium objects that are a major asset. This could clarify if the process output is exclusively suitable for communication uses or able to cover all the needs cited above
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