Efficient Annotation of Medieval Charters
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866918123198742528 |
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| author | Nicolaou, Anguelos Luger, Daniel Decker, Franziska Renet, Nicolas Christlein, Vincent Vogeler, Georg |
| author_facet | Nicolaou, Anguelos Luger, Daniel Decker, Franziska Renet, Nicolas Christlein, Vincent Vogeler, Georg |
| contents | Diplomatics, the analysis of medieval charters, is a major field of research in which paleography is applied. Annotating data, if performed by laymen, needs validation and correction by experts. In this paper, we propose an effective and efficient annotation approach for charter segmentation, essentially reducing it to object detection. This approach allows for a much more efficient use of the paleographer's time and produces results that can compete and even outperform pixel-level segmentation in some use cases. Further experiments shed light on how to design a class ontology in order to make the best use of annotators' time and effort. Exploiting the presence of calibration cards in the image, we further annotate the data with the physical length in pixels and train regression neural networks to predict it from image patches. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_14071 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Efficient Annotation of Medieval Charters Nicolaou, Anguelos Luger, Daniel Decker, Franziska Renet, Nicolas Christlein, Vincent Vogeler, Georg Computer Vision and Pattern Recognition Diplomatics, the analysis of medieval charters, is a major field of research in which paleography is applied. Annotating data, if performed by laymen, needs validation and correction by experts. In this paper, we propose an effective and efficient annotation approach for charter segmentation, essentially reducing it to object detection. This approach allows for a much more efficient use of the paleographer's time and produces results that can compete and even outperform pixel-level segmentation in some use cases. Further experiments shed light on how to design a class ontology in order to make the best use of annotators' time and effort. Exploiting the presence of calibration cards in the image, we further annotate the data with the physical length in pixels and train regression neural networks to predict it from image patches. |
| title | Efficient Annotation of Medieval Charters |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2306.14071 |