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path: root/text_recognizer/metadata/iam_lines.py
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import text_recognizer.metadata.emnist as emnist
import text_recognizer.metadata.shared as shared

PROCESSED_DATA_DIRNAME = shared.DATA_DIRNAME / "processed" / "iam_lines"

IMAGE_SCALE_FACTOR = 2

CHAR_WIDTH = emnist.INPUT_SHAPE[0] // IMAGE_SCALE_FACTOR  # rough estimate
IMAGE_HEIGHT = 112 // IMAGE_SCALE_FACTOR
IMAGE_WIDTH = 3072 // IMAGE_SCALE_FACTOR  # rounding up IAMLines empirical maximum width

DIMS = (1, IMAGE_HEIGHT, IMAGE_WIDTH)
OUTPUT_DIMS = (89, 1)

MAPPING = emnist.MAPPING