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Arts & Communication                                                           Identification of Pollock Art



                                                               spectroscopy, and surface analysis of the painting
                                                               materials. Computer vision analysis through machine
                                                               learning or signal processing is not yet recognized as a
                                                               tool for formal authentication of paintings. With the
                                                               state-of-the-art generative artificial intelligence, the style
                                                               of painters can be mimicked by a computer to create a
                                                               painting that might be challenging for computers to
                                                               analyze for forgery. Yet, in cases where the painting
                                                               materials are verified to be old, computer analysis can be
                                                               used as an aid for authentication of art.
                                                               5. Conclusion
            Figure 6. The values of Chebyshev histogram bins computed from the   The recent advances in machine learning and computer
            authentic Pollock paintings and the faked Pollock paintings.
                                                               vision have enabled a  large number of tasks  that were
                                                               previously not considered possible by computers. Analysis
                                                               and authentication of visual art can benefit greatly from the
                                                               availability of such methods. While tools such as generative
                                                               AI can be used to generate art, the analysis of existing art can
                                                               be done by explainable methods that do not necessarily rely
                                                               on deep neural networks. The ability to understand the way
                                                               machine learning works is critical for the understanding of
                                                               the art and can be a useful tool in profiling and understanding
                                                               the art in a quantitative manner. Such analysis can be used
                                                               in addition to the traditional qualitative analysis and can
                                                               lead to new verifiable insights about art.

                                                               Acknowledgments
            Figure 7. The t-values of the t-test comparison between the Chebyshev   None.
            histogram bins computed from the authentic Pollock paintings and the
            faked Pollock paintings.                           Funding

              The analysis shows that when the feature set was used   This project was funded in part by NSF grant 2148878.
            in combination with machine learning algorithms, it could   Conflict of interest
            identify between a Pollock painting and a non-Pollock
            painting in accuracy far higher than mere chance. The   The author declares no competing interests.
            differences between the numerical image content descriptors
            show a wide range of differences in multiple aspects of the   Author contributions
            visual content. While fractals show the strongest difference,   This is single-authored article.
            aspects  such  as  the  image  entropy  and  polynomial
            distribution of the pixel intensities also exhibit very strong   Ethics approval and consent to participate
            statistical differences between Pollock and non-Pollock drip
            paintings. These findings demonstrate the uniqueness of the   Not applicable.
            work of Jackson Pollock compared to careful attempts to   Consent for publication
            mimic his work and create paintings that aim at making the
            impression of authentic Jackson Pollock work.      Not applicable.

              Due to the high monetary value of some classic art,   Availability of data
            legal authentication of art has been a field of primary
            concern. In addition to the history of a certain piece   Images of Jackson Pollock paintings were obtained from
            of art as reflected through the track record of trades   online sources. Faked Pollock paintings cannot be shared
            and transactions, art can also be authenticated through   publicly. Code can be accessed at http://people.cs.ksu.
            forensic tools such as analysis of the pigments, X-rays,   edu/~lshamir/downloads/udat.


            Volume 2 Issue 2 (2024)                         7                                 doi: 10.36922/ac.1628
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