Nir Dick’s research while affiliated with Hebrew University of Jerusalem and other places

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Publications (4)


The primary interface of the Artifact3-D program, showing the main functions that can be conducted on an artifact
An example of the images produced during the Process Directory and Process Object function, showing the 3D scan in different orthogonal projections (a), as well as the key linear measurements (in mm) taken on the object (b).
Jitter plot comparing the CoM with the CoBB for (in order) picks from Ubeidiya and Nahal Zihor, handaxes from Nahal Zihor Group A, handaxes from Um Qatafa, handaxes from Nahal Zihor Group B, sickle blades from Kfar HaHoresh, Spheroids from Ubeidiya, Neolithic bifaces from Nahal Zihor, and Neolithic bifaces from Kfar HaHoresh
The y-axis shows the difference in y-coordinates, and the x-axis shows the difference in x-coordinates, normalized by artifact length and width respectively. Grey vertical lines show the maximum variation in CoM and CoBB x-coordinates. The mean values and standard deviation error bars are shown in blue.
The 3D model of the Levallois flake showing the location of the cut made using the Create Cut function (a). The angle and length measurements taken on this cut (b). The platform width and depth distances taken using the Manual Measurements function (c).
The external platform angle calculation showing the points at which angle is calculated on the platform (blue) and dorsal (red) surface (left), and a plot of the mean angle between the surfaces for different distances from the edge (–), as well as the mean angle returned by the software (—) (right)

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Artifact3-D: New software for accurate, objective and efficient 3D analysis and documentation of archaeological artifacts
  • Article
  • Full-text available

June 2022

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930 Reads

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28 Citations

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Itamar Dag

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Nir Dick

The study of artifacts is fundamental to archaeological research. The features of individual artifacts are recorded, analyzed, and compared within and between contextual assemblages. Here we present and make available for academic-use Artifact3-D, a new software package comprised of a suite of analysis and documentation procedures for archaeological artifacts. We introduce it here, alongside real archaeological case studies to demonstrate its utility. Artifact3-D equips its users with a range of computational functions for accurate measurements, including orthogonal distances, surface area, volume, CoM, edge angles, asymmetry, and scar attributes. Metrics and figures for each of these measurements are easily exported for the purposes of further analysis and illustration. We test these functions on a range of real archaeological case studies pertaining to tool functionality, technological organization, manufacturing traditions, knapping techniques, and knapper skill. Here we focus on lithic artifacts, but the Artifact3-D software can be used on any artifact type to address the needs of modern archaeology. Computational methods are increasingly becoming entwined in the excavation, documentation, analysis, database creation, and publication of archaeological research. Artifact3-D offers functions to address every stage of this workflow. It equips the user with the requisite toolkit for archaeological research that is accurate, objective, repeatable and efficient. This program will help archaeological research deal with the abundant material found during excavations and will open new horizons in research trajectories.

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Dynamics of artistic style: a computational analysis of the Maker’s motoric qualities in a clay-relief practice

June 2021

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49 Reads

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1 Citation

Humanities and Social Sciences Communications

The artistic style has been extensively discussed within diverse perspectives, usually studying the physical qualities of existing artifacts as the resource for investigation. This paper proposes a novel analysis of the dynamics of artistic style, as represented by a set of motor features, techniques, and their temporal interplay. The researchers hypothesize that unique characteristics of individuals’ styles are represented as transitions between motor activities, which would allow for computational analysis of style. As a case study, the researchers tracked a carving knife used in a clay-relief technique in two studies, one comprising (i) twelve sessions and five novice participants; and the other (ii) twenty-eight sessions with a single skilled artist. The analysis reveals that dynamic style is (i) unique and consistent in novices’ creative processes and that (ii) different subcategories of making can be observed in an experienced participant related to the subject of the work. These offer the possibility of quantitatively studying the making process irrespective of the esthetic qualities of the finished artifact, which allows for diverse computational applications.


The Choreography of the Creative Process: Drawing in Time and Space

December 2020

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61 Reads

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3 Citations

Leonardo

This paper provokes a new perspective on the contribution of computers to visual art, questioning how both the aesthetic qualities of the visual product and the making process itself can render a hybrid artistic outcome. We advocate for a medium that unifies the physical product with the spirit of the making process, as a territory with extensive innovative potential for computational artistic practice. The paper demonstrates various techniques to visualize the motor performance of artists in activities such as drawing and carving. We rely on digital tracking of the artists’ movements and computer graphic tools to expose the expressive performance of artists, highlight their working style, and bring the hidden paths of their strokes to the front of the artwork. Furthermore, we discuss the contextual implication of this form of visualization to new domains of visual art.


Design with Minimal Intervention: Drawing with Light and Cracks

June 2018

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55 Reads

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11 Citations

Industrial design focuses on minimizing fabrication variability, aiming for identical products, while craft practice often results in unpredictable outcomes. We rely on crackle, an explicit pottery phenomenon that renders a pattern of cracks in ceramic glazing, to produce craft-unique outcomes in a moderately controlled design process. With the help of a dedicated CAD tool and a laser machine, we embed artificial decorations in a crackle pattern. By pre-processing the clay and post-processing the glaze, we demonstrate a technique to partially control the typical size of cracks in a given area, thus embedding visual forms in the glaze.

Citations (4)


... Some tests such as the Leeb rebound hardness and Schmidt hammer, traditionally used in industry, have been also adopted by geologists and archaeologists to measure attributes such as the hardness of materials [9,33,34]. Recently the use of 3D technologies allowed researchers to collect quantitative data at different scales, including data for morphometric analyses [29,35,36] and detailed analyses of the surfaces including the acquisition of data on surface roughness [37]. ...

Reference:

Exploring early Acheulian technological decision-making: A controlled experimental approach to raw material selection for percussive artifacts in Melka Wakena, Ethiopia
Artifact3-D: New software for accurate, objective and efficient 3D analysis and documentation of archaeological artifacts

... Large scale analyses of artworks using computational techniques have explored many aspects of art, such as quantifying creativity in art networks [11], or creativity in the content of fine art [12]. Computational analysis is not limited to large-scale images, but also includes different forms of art, such as clay-practice [13], where researchers have explored the dynamics of personal artistic style while tracking the artist's use of carving knives. ...

Dynamics of artistic style: a computational analysis of the Maker’s motoric qualities in a clay-relief practice

Humanities and Social Sciences Communications

... In addition, Zoran, A. R. et al. explored the connection between this visualization context and visual art by integrating computer technology into visual art, relying on digital tracking of artists' movements and using computer graphics tools to highlight their expressive styles [16]. Outstanding performance art creation is one of the key factors to win the audience's love. ...

The Choreography of the Creative Process: Drawing in Time and Space
  • Citing Article
  • December 2020

Leonardo

... al. [90] developed techniques for integrating ceramics and electronic sensing. Dick et al. use laser engraving to create precise crackle glaze patterns [18] and Horn et al. use computational slab building to investigate how digital tools alter craft practices [31]. Despite the trend in HCI research for exploring ceramic production, HCI clay 3D printing research is rare but growing. ...

Design with Minimal Intervention: Drawing with Light and Cracks
  • Citing Conference Paper
  • June 2018