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View Code? Open in Web Editor NEWCode for Hebrew character and style recognition for the Dead See Scrolls dataset, in the context of the "Handwritting Recognition" course of RUG, 2021
Code for Hebrew character and style recognition for the Dead See Scrolls dataset, in the context of the "Handwritting Recognition" course of RUG, 2021
Mentioned at 7/06 lecture, DOI: 10.1109/ICSESS.2010.5552365
For each window (without discarding ascenders/descenders):
habakkuk font + imagemorph for synthetic data generation
we must experiment with the following hyper-params (10-fold):
dropout_rates (in cnn.py):
[0.1, 0.1], [0.1, 0.2], [0.1, 0.25], [0.1, 0.33]
learning rates:
1e-04, 5e-04, 1e-03, 5e-03
weight decays:
0.001, 0.005, 0.01, 0.05, 0.1
batch size:
32, 64, 128
From project root run e.g. python3 -m qumran_seagulls.scripts.train_cnn_monkbrill -e 15 -early 2 -bs 64 -lr 0.001 -wd 0.01 -kfold 10
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Signature
def segment_characters(line: array) -> List[array]:
Change the classifier for the sliding window, to classify a given image as either "on-character" or "between-characters"
Use a sliding window, run the classifier at each sliding window position, then plot the probabilities of each character with a different color
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From what I've seen, the main advantage of Arivazhagan et al. is that it can handle skewed documents. However, none of the scrolls is skewed. I think the fact that A* also allows going diagonally makes it the better choice
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Morph.cy currently performs three different augmentations:
See the folder "augmented_font_samples" to see some augmented examples. The original samples are located in the folder "dump"
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