Past Events by Year

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2013–2014 Events

This page lists the events in 2013 and 2014. Please use the links in the right column to see events from previous years.


NEH Digital Humanities logo

NEH Digital Humanities Project Directors Meeting

Carla Schroer to Present Lightning Talk

Carla Schroer will present a 3-minute lightning talk at this open-to-the-public meeting in Washington. Carla will describe the goal and scope of CHI’s NEH Digital Humanities grant-supported project, Data Sustainability and Advanced Metadata Management for Scientific Imaging.

Washington, D.C.: Monday afternoon, September 15, 2014


NTEN logo

NTEN's “Leading Change” Summit: Digital Strategy Track

Carla Schroer Invited to Participate

Carla Schroer was awarded a scholarship to a summit hosted by the Nonprofit Technology Network (NTEN). This conference of peers from the nonprofit world will meet to discuss their current web strategies and the steps they can take to enhance their online offerings for their constituents.

San Francisco, CA: Wednesday, September 3 through Saturday, September 6, 2014


Stanford meeting logo

Cultural Heritage Imaging Professionals Conference Hosted by the Stanford University Libraries

Carla Schroer to Participate

Carla Schroer will participate by invitation in this 3-day meeting at Stanford of digitization program managers, imaging lab professionals, and imaging experts involved in large scale, high quality image digitization programs at libraries, archives and museums.

Stanford, California: Room 341 of Cecil H. Green Library (557 Escondido Mall, Stanford, CA 94035), Wednesday, July 16 through Friday, July 18, 2014


LinkSCEEM logo

LinkSCEEM-2 Project at the Cyprus Institute

“Reflectance Transformation Imaging (RTI) and Cultural Heritage: Its Current State and Potential Future” (Workshop)

As part of the LinkSCEEM-2 Project, the Cyprus Institute, in collaboration with the National Center for Supercomputing Applications and the University of Illinois, is hosting a 3-day workshop that will include a presentation by CHI's Carla Schroer. Carla's talk will focus on new tools and approaches that are enabling new ways of using the same image sets captured as traditional RTIs. This includes the production of more accurate surface normals than in previous approaches, the production of rendered drawings, monitoring physical changes in subjects over time, and measurable 3D geometry. Cultural Heritage Imaging has been collaborating with teams at Princeton University, Simon Fraser University, University of California at Santa Cruz, and the Georgia O’Keeffe Museum in these areas. Carla will also present updates in the RTI tool chain that are under development.

Nicosia, Cyprus: June 3-5, 2014


AIC logo

American Institute for Conservation of Historic and Artistic Works (AIC) 2014 Annual Meeting

1. “Accurate Measurement and the Quantification of Surface and Material Property Change Using New RTI and AR Techniques” (Oral Presentation)

This talk, to be presented by Mark Mudge of Cultural Heritage Imaging, is part of the RATS session in the conference program. The talk is based on work with Mark Drew, computer science professor at Simon Fraser University in Canada, and examines new open source software that will dramatically improve the accuracy of the results generated by Reflectance Transformation Imaging (RTI) and Algorithmic Rendering (AR).

San Francisco, California: Thursday afternoon, May 29, 2014, 3:00–3:30 pm

2. “Computational Photography Techniques” (Workshop)

This workshop will provide a comprehensive overview of computational photography and its application to conservation documentation and research. The session will offer an intensive introduction to and an update on the technologies, software, photographic equipment, and methods for reflectance transformation imaging (RTI), algorithmic rendering (AR), and photogrammetry. The workshop will include lectures, demonstrations of photographic image capture for all techniques, discussions of equipment and setups, and ample opportunity for questions. The program is suitable for those new to computational photography as well as those who are interested in the latest software updates, research, and future development plans.

San Francisco, California at the Cultural Heritage Imaging studio: Wednesday, May 28, 2014, 10:00 am–5:00 pm


CAA 2014 logo

CAA 2014: Presentation

“Reflectance Transformation Imaging (RTI) 3.0: Beyond Interactive Relighting” (Presentation)

Since Polynomial Texture Mapping (PTM), the original form of RTI, was introduced in 2001, the technique has largely been used as an interpretive tool, allowing an imaging subject's relighting from any direction and associated mathematical enhancements that enhance discovery of surface feature details. Now new tools and approaches are enabling the same image sets captured to generate traditional RTIs to be used for generating measurable 3D geometry. In this talk, CHI's Carla Schroer and Mark Mudge, with a team at Simon Fraser University, demonstrate new ways of using RTI data.

Paris, France: Thursday, April 24, 2014, 8:30 am


MIT Libraries logo

Hayden Library, MIT Libraries: Presentation and Discussion

“Scientific Computational Photography based Imaging for Digital Heritage” (Presentation)

Carla Schroer, Director of CHI, discusses the robust new empirical capture and analysis tools Reflectance Transformation Imaging (RTI), Algorithmic Rendering (AR), and image-based Structure from Motion (SFM) generation of textured 3D geometry. These techniques will be explored in the context of the emerging science of “computational photography,” which extracts and synthesizes information from image sequences to create a new type of image containing information not found in any single image in the sequence.

Cambridge, Massachusetts: Hayden Library at MIT; Thursday, February 27, 2014, 11:00 am–12:00 pm


EAS logo

Eastern Analytical Symposium and Exhibition (EAS)

1. “Structure from Motion/Photogrammetry and the Long-term, Archival Survival of 3D Information” (Oral Presentation)

This talk by Mark Mudge is part of the session “Analytical Imaging for Cultural Heritage Part I,” organized in cooperation with the New York Conservation Foundation.

Somerset, New Jersey: Tuesday, November 19, 2013, 10:20 am

2. “The Emergence of Computational Photography: Interpretation, Measurement, and the Quantification of Surface and Material Property Change” (Oral Presentation)

This talk by Mark Mudge and Carla Schroer is part of the session “Analytical Imaging for Cultural Heritage Part 2,” organized in cooperation with the New York Conservation Foundation. The presenters describe Computational Photography, which extracts and synthesizes information from image sequences to create a new type of image containing information not found in any single image in the sequence. Examples of the existing and cutting-edge uses of photography-based imaging are explored. The presentation discusses computational photography tools: Reflectance Transformation Imaging, Algorithmic Rendering, Structure from Motion Photogrammetry and Multispectral imaging. New research from Princeton University, Simon Fraser University, and the Georgia O’Keeffe Museum demonstrates how these techniques can be used to track changes in object surfaces. We also explore the necessity for transparent evalaution of scientific digital representations. The goal is to establish the conditions under which a “real world” subject can be digitally represented as a “digital surrogate”, which can reliably serve as a digital stand-in for subsequent scientific or scholarly examinations. Computational photography tools lend themselves to meeting these requirements.

Somerset, New Jersey in the Bedminster Room at the DoubleTree Hotel: Tuesday, November 19, 2013, 2:00 pm

3. “Practical, Scientific Use of Photogrammetry and Structure from Motion Technologies in Cultural Heritage” (One-Day Course)

This short course by Mark Mudge discusses how to produce scientific 3D digital representations and synergies possible with related computational photography techniques. The course explores how photographic sequences of a subject can be captured according to principles that maximize the available information from a series of viewpoints to yield the best results. We see how these software platform-independent rule-based data sets can be transformed into 3D representations and confidently reused by others both now and in the future.

Somerset, New Jersey: Course #E-13-31: Wednesday, November 20, 2013, 8:30 am–5:00 pm


2013 International Rock Art Congress (IFRAO)

IFRAO 2013 logo

“Advances in computational photography techniques for scientific rock art recording and analysis; Reflectance Transformation Imaging (RTI), Algorithmic Rendering (AR), and Structure from Motion (SFM) Photogrammetry” (Workshop in 2 Parts)

This workshop in two one-hour segments was presented by Carla Schroer and Mark Mudge from Cultural Heritage Imaging (CHI), with contributed material from Tommy Noble and Neffra Matthews from the US Bureau of Land Management. The workshop examined the robust new empirical capture and analysis tools Reflectance Transformation Imaging (RTI), Algorithmic Rendering (AR), camera calibration, and image-based Structure from Motion (SFM) generation of textured 3D geometry. These techniques were explored in the context of the emerging science of “Computational Photography”. Computational Photography extracts and synthesizes information from image sequences to create a new type of image containing information not found in any single image in the sequence. Examples of existing and cutting-edge uses of photography-based imaging were presented.

Albuquerque, New Mexico: Thursday, May 30, 2:30–3:30 pm (break between hours: 3:30–4:00 pm) and 4:00–5:00 pm

Note: This two-hour workshop could be attended for one or both hours.

Hour 1: Thursday, May 30, 2:30-3:30 pm – Reflectance Transformation Imaging (RTI) and related technologies.
In the first hour, the workshop presenters showed examples from inscriptions, rock art, manuscripts, and lithics. They also provided an overview of the free RTI software, along with a demonstration of the RTI photographic capture sequence, using standard digital photographic equipment. New developments in the related technology Algorithmic Rendering (AR), which uses the same data sets as RTI, were also presented. (Followed by a half-hour break.)

Hour 2: Thursday, May 30, 4:00–5:00 pm – Scientific Imaging requirements and Photogrammetry.
In the second hour, the presenters explored the necessity for transparent evaluation of scientific digital representations, with examples of rock art and related sites documented using the SFM photogrammetry technique.


WAC-7 Seventh World Archaeological Congress

WAC-7 logo

1. “Computational photography: tools for digital archaeology” (Presentation)

This talk by Mark Mudge and Carla Schroer presents advances in robust new digitization tools from the emerging science “computational photography.” Computational photography extracts and synthesizes information from image sequences to create a new type of image containing information not found in any single image. The talk will present examples from Reflectance Transformation Imaging (RTI) and Algorithmic Rendering (AR). These techniques are being widely adopted by art museums and are especially valuable for examining fine surface details of objects. Examples include inscriptions, rock art, manuscripts, and lithics. These techniques can be used with standard digital photography equipment and open-source software.

The Dead Sea, Jordan: Session 2.2B, “Archaeology in the Digital Age”: Tuesday, January 15, 2013, 1:00 pm–3:00 pm

2. “The necessity of transparency in scientific digital documentation” (Presentation)

This talk by Mark Mudge and Carla Schroer will explore the necessity for transparent evaluation of digital tools and methods used for the scientific documentary imaging of “real world” subjects, where the goal is to produce a digital stand-in (digital surrogate) that can be used for subsequent scientific or scholarly examinations. The presentation will show how a “digital lab notebook” enables this transparency using the example of the methodology and software for Reflectance Transformation Imaging (RTI). The presentation examines key factors that determine whether a technology can practically build a digital lab notebook and the implications for the scientific and transparency needs of the cultural heritage community.

The Dead Sea, Jordan: Session 5.1G, “The Integration and Management of Archaeological Datasets”: Friday, January 18, 2013, 8:00 am–10:30 am