Ms. Anastasiya Ingacheva Profile

Anastasiya Ingacheva

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Proceedings Article | 7 June 2023 Paper

From tomographic reconstruction to automatic text recognition: the next frontier task for the artificial intelligence

D. Polevoy, P. Kulagin, A. Ingacheva, Zh. Soldatova, M. Chukalina, D. Nikolaev, V. Arlazarov

Proceedings Volume 12701, 127010P (2023) https://doi.org/10.1117/12.2680132

KEYWORDS: Image segmentation, Image restoration, X-rays, Tomography, Data modeling, X-ray imaging, Visualization, Dark current, Artificial intelligence, 3D modeling

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Virtual unrolling or unfolding, digital unwrapping, flattening or unfurling - all these terms are used to describe the process of surface straightening of a tomographically reconstructed digital object. For many objects of historical heritage, tomography is the only way to obtain a hidden image of the original object without its destruction. Digital flattening is no longer considered a unique met hodology. It being applied by many research group, but AI-based methods are used insignificantly in such projects, despite the amazing success of AI in computer vision, in particular optical text recognition. It can be explained by the fact that the success of AI depends on large, broad and high quality datasets, but there are very few published CT-based datasets relevant to the task of digital flattening. Accumulation of a sufficient amount of data necessary for training models is a key point for the next technological breakthrough. In this paper, we present open and cumulative dataset CT-OCR-2022. Dataset includes 6 packages data for different model objects that help to enrich tomographic solutions and to train machine learning models. Each package contains optically scanned image of model objects, 400 measured X-ray projections, 2687 CT- reconstructed cross-sections of 3D reconstructed image, segmentation markups. We believe that CT-OCR-2022 dataset will serve as a benchmark for reconstructed object digital flattening and recognition systems, and that it will prove invaluable for advancement of the field of CT-reconstruction, symbols analysis and recognition. The data presented are openly available in Zenodo at doi:10.5281/zenodo.7123495 and linked repositories.

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