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Yet, to date, no image-computable model can predict how visually similar or different shapes appear. Such a model would be an invaluable tool for neuroscientists and could provide insights into computations underlying human shape perception. To address this need, we developed a model (\u2018ShapeComp\u2019), based on over 100 shape features (e.g., area, compactness, Fourier descriptors). When trained to capture the variance in a database of &gt;25,000 animal silhouettes, ShapeComp accurately predicts human shape similarity judgments between pairs of shapes without fitting any parameters to human data. To test the model, we created carefully selected arrays of complex novel shapes using a Generative Adversarial Network trained on the animal silhouettes, which we presented to observers in a wide range of tasks. Our findings show that incorporating multiple ShapeComp dimensions facilitates the prediction of human shape similarity across a small number of shapes, and also captures much of the variance in the multiple arrangements of many shapes. ShapeComp outperforms both conventional pixel-based metrics and state-of-the-art convolutional neural networks, and can also be used to generate perceptually uniform stimulus sets, making it a powerful tool for investigating shape and object representations in the human brain.<\/jats:p>","DOI":"10.1371\/journal.pcbi.1008981","type":"journal-article","created":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T16:40:43Z","timestamp":1622565643000},"page":"e1008981","update-policy":"https:\/\/doi.org\/10.1371\/journal.pcbi.corrections_policy","source":"Crossref","is-referenced-by-count":33,"title":["An image-computable model of human visual shape similarity"],"prefix":"10.1371","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6902-667X","authenticated-orcid":true,"given":"Yaniv","family":"Morgenstern","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4448-5612","authenticated-orcid":true,"given":"Frieder","family":"Hartmann","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8023-7304","authenticated-orcid":true,"given":"Filipp","family":"Schmidt","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2637-7888","authenticated-orcid":true,"given":"Henning","family":"Tiedemann","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3907-8385","authenticated-orcid":true,"given":"Eugen","family":"Prokott","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6625-2583","authenticated-orcid":true,"given":"Guido","family":"Maiello","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5033-5069","authenticated-orcid":true,"given":"Roland W.","family":"Fleming","sequence":"additional","affiliation":[]}],"member":"340","published-online":{"date-parts":[[2021,6,1]]},"reference":[{"issue":"2","key":"pcbi.1008981.ref001","doi-asserted-by":"crossref","DOI":"10.1037\/0033-295X.94.2.115","article-title":"Recognition-by-components: a theory of human image understanding","volume":"94","author":"I Biederman","year":"1987","journal-title":"Psychological review"},{"issue":"1140","key":"pcbi.1008981.ref002","first-page":"269","article-title":"Nishihara HK. 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