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import streamlit as st |
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def app(): |
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st.title("OCR solutions comparator") |
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st.write("") |
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st.write("") |
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st.write("") |
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st.markdown("##### This app allows you to compare, from a given picture, the results of different solutions:") |
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st.markdown("##### *EasyOcr, PaddleOCR, MMOCR, Tesseract*") |
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st.write("") |
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st.write("") |
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st.markdown(''' The 1st step is to choose the language for the text recognition (not all solutions \ |
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support the same languages), and then choose the picture to consider. It is possible to upload a file, \ |
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to take a picture, or to use a demo file. \ |
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It is then possible to change the default values for the text area detection process, \ |
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before launching the detection task for each solution.''') |
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st.write("") |
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st.markdown(''' The different results are then presented. The 2nd step is to choose one of these \ |
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detection results, in order to carry out the text recognition process there. It is also possible to change \ |
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the default settings for each solution.''') |
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st.write("") |
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st.markdown("###### The recognition results appear in 2 formats:") |
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st.markdown(''' - a visual format resumes the initial image, replacing the detected areas with \ |
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the recognized text. The background is + or - strongly colored in green according to the \ |
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confidence level of the recognition. |
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A slider allows you to change the font size, another \ |
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allows you to modify the confidence threshold above which the text color changes: if it is at \ |
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70% for example, then all the texts with a confidence threshold higher or equal to 70 will appear \ |
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in white, in black otherwise.''') |
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st.markdown(" - a detailed format presents the results in a table, for each text box detected. \ |
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It is possible to download this results in a local csv file.") |