Incorporating Gallery Lighting in a Color-managed Imaging Workflow for Cultural Heritage

Incorporating Gallery Lighting in a Color-managed Imaging Workflow for Cultural Heritage
Author: Joel Witwer
Publisher:
Total Pages: 120
Release: 2016
Genre: Art
ISBN:

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"Conservation prints of cultural heritage are often produced in order to preserve the appearance qualities of the cultural heritage. The standard workflow for creating these prints is to image the cultural heritage, or paintings in the case of this thesis, under a D50 light source and create a print optimized for viewing under illuminant D50. The goal of this thesis was to investigate whether incorporating an incandescent gallery light source into the workflow had the potential to better preserve the viewer experience when the artwork is seen in an incandescent gallery. Six prints were created through various combinations of a D50 capture, a gallery capture, a D50 optimized printing process, a gallery optimized printing process while using both complete and incomplete chromatic adaptation transforms as well as material adjustment transforms to transform between the various white points. Prints were compared through paired comparison in two experiments. The first experiment involved directly comparing the prints to the piece of cultural heritage under the gallery light source and making the judgment as to which one was the most similar to the painting. The second experiment had participants under a simulated fluorescent D50 light source making judgments as to which print looked the most similar to the painting based on their memory of the painting under a gallery light source. Participant's judgments were analyzed using Thurstone Case V in order to create an interval scale for the workflows. No single workflow was found to be scaled higher than the all the rest, but several were judged to be more similar to the original painting than others. The workflow that used the gallery lighting for both the capture and viewing and the workflow that used a chromatic adaptation to transform from a D50 capture environment to a gallery viewing environment were judged to be the most similar to the original painting in the direct comparison experiment. The workflow that used the gallery lighting for both capture and viewing, the workflow that used a chromatic adaptation transform to transform from a gallery capture environment to the simulated fluorescent D50 viewing environment, and the workflow that used a D50 capture environment and the simulated fluorescent D50 viewing environment were all judged to be the most similar, under the simulated fluorescent D50 light source, to the participant's memory of the original painting under the gallery light source."--Abstract.

Incorporating High Dynamic Range Into Multispectral Imaging for Cultural Heritage Documentation

Incorporating High Dynamic Range Into Multispectral Imaging for Cultural Heritage Documentation
Author: Gabrielle Brogle
Publisher:
Total Pages: 0
Release: 2023
Genre: Cultural property
ISBN:

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"The dynamic range that can be captured using traditional image capture devices is limited. While an image sensor cannot capture the entire dynamic range that the human eye can see, imaging techniques have been developed to help accomplish this. High dynamic range imaging has been incorporated into digital photography pipelines to produce high-quality images with correctly exposed regions with varying illumination. The multiple exposures are fused together in post- processing. By capturing a broader dynamic range, the range of contrast captured is also increased, helping to improve color accuracy. Cultural heritage institutions face limitations when trying to capture color accurate renditions of cultural heritage objects and materials. To address this issue, spectral imaging has been an important scientific tool within their imaging process, as it allows for superior color reproduction in comparison to conventional RGB imaging, however not many institutions currently use spectral imaging as a tool. A team of software engineers at RIT have developed a software application, BeyondRGB©, to assist the colorimetric and spectral processing of six-channel spectral images. In this work, high dynamic range imaging was incorporated into the current BeyondRGB© pipeline which includes a pre-processing, processing, and rendering phase. In the current imaging process, only one exposure is taken of each artwork underneath both lighting conditions. Within the imaging process for this research, six images above and below the optimal exposures were taken creating a total of seven image sets for each artwork. The first image set is composed of one image and the seventh image set is composed of thirteen exposures. The image sets were combined using Lightroom and run through BeyondRGB© to assess color accuracy. For all six artworks, there was a lower loss in color accuracy with the incorporation of high dynamic range imaging."--Abstract.

Scientific Examination of Art

Scientific Examination of Art
Author:
Publisher: National Academies Press
Total Pages: 254
Release: 2005-01-01
Genre: Technology & Engineering
ISBN: 0309096251

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Examines the application of scientific methods to the study and conservation of art and cultural properties. This work addresses scientific topics of broad interest, cutting across the boundaries of traditional disciplines and attracting up to 250 leadingresearchers in the field.

Billmeyer and Saltzman's Principles of Color Technology

Billmeyer and Saltzman's Principles of Color Technology
Author: Roy S. Berns
Publisher: John Wiley & Sons
Total Pages: 272
Release: 2019-04-09
Genre: Science
ISBN: 1119367220

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This book offers detailed coverage of color, colorants, the coloring of materials, and reproducing the color of materials through imaging. It combines the clarity and ease of earlier editions with significant updates about the advancement in color theory and technology. Provides guidance for how to use color measurement instrumentation, make a visual assessment, set a visual tolerance, and select a formulation Supplements material with numerical examples, graphs, and illustrations that clarify and explain complex subjects Expands coverage of topics including spatial vision, solid-state lighting, cameras and spectrophotometers, and translucent materials

Introduction to Controlled Vocabularies

Introduction to Controlled Vocabularies
Author: Patricia Harpring
Publisher: Getty Publications
Total Pages: 259
Release: 2010-04-13
Genre: Art
ISBN: 160606018X

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This detailed book is a “how-to” guide to building controlled vocabulary tools, cataloging and indexing cultural materials with terms and names from controlled vocabularies, and using vocabularies in search engines and databases to enhance discovery and retrieval online. Also covered are the following: What are controlled vocabularies and why are they useful? Which vocabularies exist for cataloging art and cultural objects? How should they be integrated in a cataloging system? How should they be used for indexing and for retrieval? How should an institution construct a local authority file? The links in a controlled vocabulary ensure that relationships are defined and maintained for both cataloging and retrieval, clarifying whether a rose window and a Catherine wheel are the same thing, or how pot-metal glass is related to the more general term stained glass. The book provides organizations and individuals with a practical tool for creating and implementing vocabularies as reference tools, sources of documentation, and powerful enhancements for online searching.

The DAM Book

The DAM Book
Author: Peter Krogh
Publisher: "O'Reilly Media, Inc."
Total Pages: 496
Release: 2009-04-27
Genre: Photography
ISBN: 1449343716

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One of the main concerns for digital photographers today is asset management: how to file, find, protect, and re-use their photos. The best solutions can be found in The DAM Book, our bestselling guide to managing digital images efficiently and effectively. Anyone who shoots, scans, or stores digital photographs is practicing digital asset management (DAM), but few people do it in a way that makes sense. In this second edition, photographer Peter Krogh -- the leading expert on DAM -- provides new tools and techniques to help professionals, amateurs, and students: Understand the image file lifecycle: from shooting to editing, output, and permanent storage Learn new ways to use metadata and key words to track photo files Create a digital archive and name files clearly Determine a strategy for backing up and validating image data Learn a catalog workflow strategy, using Adobe Bridge, Camera Raw, Adobe Lightroom, Microsoft Expression Media, and Photoshop CS4 together Migrate images from one file format to another, from one storage medium to another, and from film to digital Learn how to copyright images To identify and protect your images in the marketplace, having a solid asset management system is essential. The DAM Book offers the best approach.

Scientific Methods and Cultural Heritage

Scientific Methods and Cultural Heritage
Author: Gilberto Artioli
Publisher: Oxford University Press
Total Pages: 553
Release: 2010-07-08
Genre: Art
ISBN: 0199548269

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The scientific analysis of cultural heritage materials poses specific and often difficult analytical challenges. This book attempts to rationalize the links between the most commonly asked questions in archaeology, art history, and conservation with the potential answers resulting from the vast array of scientific techniques presently available.

Digital Techniques for Documenting and Preserving Cultural Heritage

Digital Techniques for Documenting and Preserving Cultural Heritage
Author: Anna Bentkowska-Kafel
Publisher: ARC - Collection Development, Cultural Heritage, and Digital Humanities
Total Pages: 0
Release: 2017
Genre: Cultural property
ISBN: 9781942401346

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This collection presents a wide range of interdisciplinary methods to study, document, and conserve material cultural heritage. A wide variety of cultural heritage objects have been recorded, examined, and visualised. The objects range in date, scale, materials, and state of preservation and so pose different research questions and challenges for digitization, conservation, and ontological representation of knowledge. This book is an outcome of interdisciplinary research and debates conducted by the participants of the COST Action TD1201, Colour and Space in Cultural Heritage, 2012-16 and is an Open Access publication available under a CC BY-NC-ND licence.

Virtual Heritage

Virtual Heritage
Author: Erik Malcolm Champion
Publisher: Ubiquity Press
Total Pages: 153
Release: 2021-07-22
Genre: Social Science
ISBN: 1914481011

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Virtual heritage has been explained as virtual reality applied to cultural heritage, but this definition only scratches the surface of the fascinating applications, tools and challenges of this fast-changing interdisciplinary field. This book provides an accessible but concise edited coverage of the main topics, tools and issues in virtual heritage. Leading international scholars have provided chapters to explain current issues in accuracy and precision; challenges in adopting advanced animation techniques; shows how archaeological learning can be developed in Minecraft; they propose mixed reality is conceptual rather than just technical; they explore how useful Linked Open Data can be for art history; explain how accessible photogrammetry can be but also ethical and practical issues for applying at scale; provide insight into how to provide interaction in museums involving the wider public; and describe issues in evaluating virtual heritage projects not often addressed even in scholarly papers. The book will be of particular interest to students and scholars in museum studies, digital archaeology, heritage studies, architectural history and modelling, virtual environments.

White Space Is Not Your Enemy

White Space Is Not Your Enemy
Author: Kim Golombisky
Publisher: CRC Press
Total Pages: 612
Release: 2017-02-17
Genre: Computers
ISBN: 1351668765

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White Space Is Not Your Enemy is a practical graphic design and layout guide that introduces concepts and practices necessary for producing effective visual communication across a variety of formats—from web to print. Sections on Gestalt theory, color theory, and WET layout are expanded to offer more in-depth content on those topics. This new edition features new covering current trends in web design—Mobile-first, UI/UX design, and web typography—and how they affect a designer’s approach to a project. The entire book will receive an update using new examples and images that show a more diverse set of graphics that go beyond print and web and focus on tablet, mobile and advertising designs.