PISTACHIO: Photonic Imaging Strategies for Technical Art History and Conservation

开心果：技术艺术史和保护的光子成像策略

基本信息

批准号：
EP/R033013/1
负责人：
Derryck Reid
金额：
$ 105.01万
依托单位：
Heriot-Watt University
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2018
资助国家：
英国
起止时间：
2018 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=EP%2FR033013%2F1
关键词：
PISTACHIO Photonic Imaging Strategies Technical

项目摘要

Our tangible cultural heritage, both historic and contemporary, is made from a plethora of complex multilayer materials. What we see is often only the surface and form of an object. Hidden below are the materials and evidence of the processes by which the objects were originally created. By using state of the art imaging / spectroscopy systems which can map the composition and reveal the stages of their creation, we gain an understanding about the meaning and significance, both in their original context and our present day. This is at the heart of the disciplines of technical art history, archaeology and material culture studies. It also informs collections care, access policies and conservation of cultural heritage.Infrared imaging and spectroscopy is particularly well suited to looking below the surface, as the scattering which normally occurs with visible light is usually much less. Thus the infrared penetrates further into the object. Depending on the material and its structure the infrared light will be absorbed or reflected. This can either be directly imaged or modulated (Fourier Transform Spectroscopy) to acquire spectroscopic information indicating the chemical composition. Most techniques employed at present within the field of cultural heritage can only make spot measurements; to map large areas would take hours to days to acquire the data and therefore is not usually viable or suitable for in-situ measurements. Other techniques require samples to be taken and are therefore invasive. We aim to explore state of the art IR imaging strategies that will be "fit for the job". This implies wide bandwidth, full field and fast techniques coupled with signal processing/ photonics methods to analyse, visualise and manipulate large multivariate data sets. By exploiting state-of-the-art laser sources developed at Heriot-Watt and providing massively tunable infrared light, we will explore and develop several complementary strategies for 4-dimensional imaging (3 x spatial, 1 x wavelength). Compressive sensing illumination techniques and machine-learning based data processing will allow us to image rapidly and efficiently while also extracting the maximum value from our datasets by automatically classifying surface and sub-surface features.In this way we expect to produce outcomes of shared value for both the ICT and Technical Art History researchers in our team. Contextual information from art history will inform the photonic design and computational anaylsis strategies we deploy, while powerful ICT-led techniques will provide the Technical Art History community with new technical capabilities that reveal previously hidden structure and history.The significance to the public of our cultural heritage has motivated us to integrate outreach activity from the start, in particular a dynamic website using 4D data to allow an interactive tool for exploring the chosen case studies, reflecting the People at the Heart of ICT priority.The project includes industrial partners who will contribute resources and expertise in mid-IR lasers (Chromacity Ltd.) and mid-IR cameras (Thales Optronics Ltd.). Our partners have committed substantial in-kind support in the form of access to their technology and contributions of staff time. Furthermore, their engagement ensures that activities within the project, and the outcomes these generate, can be rapidly evaluated for adjacent commercial opportunities.EPSRC priorities are reflected in the project's structure. Cross-Disciplinarity is embedded as collaborations within the ICT community (Photonics & AI Technologies researchers) and with researchers from the AHRC-funded Cultural Heritage community. Co-Creation is essential: only by combining the distinct technical, contextual and material resources of each research group in our team will the project succeed in delivering new capabilities for IR imaging and analysis and new insights into culturally important objects of shared value.

我们有形的文化遗产，包括历史和当代的遗产，都是由大量复杂的多层材料制成的。我们看到的通常只是对象的表面和形式。下面隐藏的是最初创建对象的过程的材料和证据。通过使用可以绘制组成并揭示其创建阶段的最先进的成像 /光谱系统的状态，我们在原始环境和当今的情况下都能了解含义和意义。这是技术艺术史，考古学和物质文化研究学科的核心。它还为收藏护理，访问政策和文化遗产的保护提供信息。infrared成像和光谱尤其非常适合在表面以下观察，因为通常在可见光下发生的散射通常要少得多。因此，红外线进一步渗透到物体中。根据材料及其结构，红外光将被吸收或反射。这可以直接成像或调制（傅立叶变换光谱法）以获取指示化学成分的光谱信息。目前，文化遗产领域中使用的大多数技术只能进行现场测量。绘制大面积将需要数小时到几天才能获取数据，因此通常不可行或不适合原位测量。其他技术需要采集样品，因此具有侵入性。我们旨在探索“适合工作”的最先进的成像策略。这意味着宽阔的带宽，全场和快速技术以及信号处理/光子学方法，以分析，可视化和操纵大型多元数据集。通过利用在Heriot-Watt开发的最新激光源并提供大量可调红外光线，我们将探索并制定几种4维成像（3 x空间，1 x波长）的互补策略。压缩传感照明技术和基于机器学习的数据处理将使我们能够快速有效地图像，同时通过自动对表面和地下表面特征进行分类，从数据集中提取最大值。通过这种方式，我们期望为我们团队中的ICT和技术艺术历史研究人员提供共享价值的成果。 Contextual information from art history will inform the photonic design and computational anaylsis strategies we deploy, while powerful ICT-led techniques will provide the Technical Art History community with new technical capabilities that reveal previously hidden structure and history.The significance to the public of our cultural heritage has motivated us to integrate outreach activity from the start, in particular a dynamic website using 4D data to allow an interactive tool for exploring the chosen case studies, reflecting the People at the Heart of ICT优先级。该项目包括将在MID-IR激光器（Chromacity Ltd.）和Mid-IR摄像机（Thales Optronics Ltd.）中贡献资源和专业知识的工业合作伙伴。我们的合作伙伴以访问其技术和员工时间的贡献的形式提供了实物的大量支持。此外，他们的参与确保可以快速评估项目中的活动以及这些产生的结果，以获取相邻的商业机会。EPSRC优先级反映在项目的结构中。跨学科的人嵌入了ICT社区（Photonics＆AI技术研究人员）中的合作，并与AHRC资助的文化遗产社区的研究人员一起嵌入。共同创造是必不可少的：只有结合我们团队中每个研究小组的独特技术，背景和物质资源，该项目才能成功提供新的IR成像和分析能力，以及对共享价值的文化重要对象的新见解。