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Arts & Communication                                                          Identification of Pollock Art



            addition to the qualitative analysis of the work of Jackson   not capture all information provided in the painting and
            Pollock, the drip paintings of Pollock were also analyzed   might therefore not provide a complete analysis of the
            using  quantitative approaches,  for analyzing  and  also   art. Another downside of deep neural networks for the
            authenticating the art of Jackson Pollock. 5,10-14  The artistic   purpose of analyzing art is that the high dimensionality of
            and historical value of Jackson Pollock painting is also   the paintings requires significant downsampling, and the
            reflected by the extremely high monetary value of his   downsampling leads to the sacrifice of many of the fine
            paintings. For instance, the painting “Number 17” was sold   mathematical elements.
            by music producer David Geffen for a record-breaking   Here, an analysis of multiple numerical image content
            amount of US$200 million.  Figure  1 shows examples of   descriptors was used to identify the unique artistic style of
            four of the most iconic paintings of Jackson Pollock.  Jackson Pollock. The analysis was conducted by comparing
              Naturally, methods for authentication of Jackson   authentic Jackson Pollock’s art to paintings by unknown
            Pollock  art  should  rely  on  characteristics  of  Jackson   artists who attempted to create paintings as similar
            Pollock’s drip paintings that are difficult to mimic. While   as possible to the authentic drip paintings of Jackson
            fractals were identified as one of the unique characteristics   Pollock. Because these paintings were made in an attempt
            of Pollock’s drip paintings,  other elements also showed   to resemble authentic Jackson Pollock drip paintings,
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            differences between Pollock’s drip paintings and drip   differences between these paintings and authentic Jackson
            paintings created by other painters.  Identifying distinctive   Pollock paintings can provide insights regarding the
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            elements that differentiate between Pollock drip paintings   unique signature style of Pollock. Such analysis can reveal
            and non-Pollock drip paintings can be based on methods   the unique mathematical elements of Jackson Pollock’s
            for automatic painting classification,  many of them are   artistic style that make Pollock’s paintings different from
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            based on deep convolutional neural networks. 16,17  However,   careful attempts to mimic Pollock’s work by other painters.
            while deep neural networks provide good classification   The quantitative analysis can be used to identify the unique
            accuracy, they work by a set of complex rules determined   aspects of Pollock’s artistic style that are not necessarily
            automatically from the data. These rules are non-intuitive   visible through visual inspection.
            and therefore make it difficult to characterize and profile
            the  differences between the artistic styles.  Furthermore,   2. Data and methods
            deep convolutional neural networks mimic the way the   2.1. Data
            human vision works by prioritizing the relationship
            between neighboring pixels compared to pixels that are   The data include authentic paintings of Jackson Pollock that
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            located farther apart from each other in the painting.   were used in a previous work,  and paintings that attempted
            While that method is effective for analysis of natural   to mimic Jackson Pollock artistic style as carefully as possible
            images, art does not merely stimulate human vision, but   to make the viewers believe that the paintings were authentic
            many other data processing centers in the human brain. 18-22    art created by Pollock. These paintings were provided by
            Therefore, using convolutional neural networks might   numerous sources for the purpose of authentication of the
                                                               paintings as genuine Jackson Pollock. After the publication
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                                                               of Shamir,  a large number of people contacted the author
            A                       B                          and proposed that a painting in their possession was an
                                                               authentic drip painting of Jackson Pollock. Since 2015, 181
                                                               different persons contacted the author with such inquiry.
                                                               From  these  inquiries,  47  also  provided  an  image  of  the
                                                               painting in the resolution of more than 850k pixels, which
                                                               was the criterion for analysis of the paintings in Shamir.
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                                                               These 47 paintings made the dataset of non-Pollock drip
            C                       D                          paintings. The purpose of these inquiries was to increase
                                                               the monetary value of the paintings and ultimately sell
                                                               them. Because these paintings were claimed to be authentic
                                                               Jackson Pollock while they are in fact not authentic, these
                                                               paintings can be considered fake Pollock.

                                                                 Although these paintings are considered by their
                                                               owners  as  paintings  that  were likely created  by Jackson
            Figure 1. Examples of Jackson Pollock paintings: Number 5 (A), Number   Pollock, in this study, they are considered paintings
            8 (B), Lavender Mist (C), and Number 31 (D).       that attempt to mimic Pollock’s artistic style, but are not


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