Automated full-3D digitization system for documentation of paintings

Karaszewski, Maciej; Adamczyk, Marcin; Sitnik, Robert; Michoński, Jakub; Załuski, Wojciech; Bunsch, Eryk; Bolewicki, Paweł

doi:10.1117/12.2020447

Cited by 15 publications

(14 citation statements)

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“…Also several case studies have been published that make use of a fringe projection 7,10,11 . The scanning setup comprises of a projector and only one camera for the triangulation of the depth data.…”

Section: Existing 3d Imaging Methodsmentioning

confidence: 99%

Topographical scanning and reproduction of near-planar surfaces of paintings

Elkhuizen

Zaman

Verhofstad³

et al. 2014

SPIE Proceedings

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Paintings are near-planar objects with material characteristics that vary widely. The fact that paint has a material presence is often overlooked, mostly because we often encounter these artworks in the form of two-dimensional reproductions. Capturing paintings in the third dimension is not only important for study, restoration and conservation, but it also inspires 3D printing methods 1 , particularly through the high demands it makes on reproducing color, gloss and texture. "A hybrid solution between fringe projection and stereo imaging is proposed as 3D imaging method, with a setup involving two cameras and a projector. Fringe projection is aided by sparse stereo matching to serve as image encoder. These encoded images processed by the stereo cameras solve the correspondence problem in stereo matching, leading to a dense and accurate topographical map, while simultaneously capturing the composition of the painting in full color"1 . The topographical map and color data are used to make hardcopy 3D reproductions, using a specially developed printing system. Several paintings by Dutch masters Rembrandt and Van Gogh have been scanned and reproduced using this technique. These 3D printed reproductions have been evaluated by experts, both individually and in a side-by-side comparison with the original.

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Section: Existing 3d Imaging Methodsmentioning

confidence: 99%

Topographical scanning and reproduction of near-planar surfaces of paintings

Elkhuizen

Zaman

Verhofstad³

et al. 2014

SPIE Proceedings

View full text Add to dashboard Cite

show abstract

“…Contactless three-dimensional (3D) measurements are currently used widely, not only in engineering (reverse engineering, 3D printer technology, rapid prototyping, and quality control) [2] but also in medicine [3,4] (as measurements aiding rehabilitation, prosthetic appliance, and skeletal spine curvature assessment), in crime scene documentation [4], works of art documentation [4,5], and many other domains [6,7]. 3D scanning is currently performed using one of the following techniques [8]: laser triangulation, beam transit time, photogrammetry, or structuredlight scanning.…”

Section: Introductionmentioning

confidence: 99%

“…The last technique is most often used in all applications [9]. The advantages of using a structured-light scanner include relatively fast and contactless field measurement (multiple points in a single measurement) [4], automatic measurement process [5], fully automatic result processing [10], and high resolution (up to 10; 000 points∕mm 2 ) [5]. This measurement method also allows us to perform 3D measurements on moving objects (fourdimensional measurements) [3].…”

Section: Introductionmentioning

confidence: 99%

Effect of temperature on calibration quality of structured-light three-dimensional scanners

et al. 2014

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This paper presents the outcome of research into the effects of ambient temperature changes on structured-light three-dimensional (3D) scanners. The tests were conducted in a thermal chamber and consisted of a comparison of the 3D measurement of a special reference unit (made of a carbon composite) performed at different temperatures, with measurements performed at the calibration temperature. A contact measuring arm with temperature compensation was used as a reference. Based on the results of these experiments, we propose a method that allows us to extend the existing scanner calibration method by using a temperature-correction procedure that is based on linear and nonlinear mathematical models. An exemplary application of this procedure has shown that the range of temperatures in which scanner accuracy is within declared limits can be increased 11-fold.

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“…Another technique that can simultaneously capture color and topography is the http://www.heritagesciencejournal.com/content/2/1/23 structured light projection technique [10,12,14]. A common setup consists of a projector and a camera offset by a certain distance and aimed at the scene of interest.…”

Section: Structured Light Projectionmentioning

confidence: 99%

Simultaneous capture of the color and topography of paintings using fringe encoded stereo vision

et al. 2014

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Introduction: Paintings are versatile near-planar objects with material characteristics that vary widely. The fact that paint has a material presence is often overlooked, mostly due to the fact that we encounter many of these artworks through two dimensional reproductions. The capture of paintings in the third dimension is not only interesting for study, restoration and conservation, but it also facilitates making three dimensional reproductions through novel 3-D printing methods. No single imaging method is ideally suited to capture the painting's color and topography and each of them have specific drawbacks. We have therefore designed an efficient hybrid imaging system dedicated to capturing paintings in both color and topography with a high resolution. Results: A hybrid solution between fringe projection and stereo imaging is proposed involving two cameras and a projector. Fringe projection is aided by sparse stereo matching to serve as an image encoder. These encoded images processed by the stereo cameras then help solve the correspondence problem in stereo matching, leading to a dense and accurate topographical map, while simultaneously capturing its color. Through high-end cameras, special lenses and filters we capture a surface area of 170 square centimeter with an in-plane effective resolution of 50 micron and a depth precision of 9 micron. Semi-automated positioning of the system and data stitching consequently allows for the capture of larger surfaces. The capture of the 2 square meter big Jewish Bride by Rembrandt yielded 1 billion 3-D points. Conclusion:The reproductive properties of the imaging system are conform the digitization guidelines for cultural heritage. The data has enabled us to make high resolution 3-D prints of the works by Rembrandt and Van Gogh we have captured, and confirms that the system performs well in capturing both the color and depth information.

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Automated full-3D digitization system for documentation of paintings

Cited by 15 publications

References 0 publications

Topographical scanning and reproduction of near-planar surfaces of paintings

Topographical scanning and reproduction of near-planar surfaces of paintings

Effect of temperature on calibration quality of structured-light three-dimensional scanners

Simultaneous capture of the color and topography of paintings using fringe encoded stereo vision

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