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manual sections 01, 02, 06
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<li><b>Image-to-text conversion tools:</b></li>
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<ol style="list-style-type:circle; margin-left:1em; padding-bottom:0;"><li><b>Optical Character Recognition</b> converts photos and
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scans into text data, making them machine-readable.</li>
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<li><b>Transkribus HTR (Handwritten Text Recognition) Pipeline</b>
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<li><b>Transkribus HTR (Handwritten Text Recognition) Pipeline (currently deactivated)* </b>
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also converts images into text data, making them machine-readable.</li>
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</ol>
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<li><b>Natural Language Processing</b> extracts information from your text via
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@ -23,5 +23,12 @@
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Nopaque also features a <b>Social Area</b>, where researchers can create a personal profile, connect with other users and share corpora if desired.
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These services can be accessed from the sidebar in nopaque.
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All processes are implemented in a specially provided cloud environment with established open-source software. This always ensures that no personal data of the users is disclosed.
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All processes are implemented in a specially provided cloud environment with established open-source software.
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This always ensures that no personal data of the users is disclosed.
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<p>
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*Note: the Transkribus HTR Pipeline is currently
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deactivated; we are working on an alternative solution. You can try using Tesseract OCR,
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though the results will likely be poor.
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</p>
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@ -35,6 +35,7 @@ name in ascending order. It is thus recommended to name them accordingly, for ex
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page-01.png, page-02.jpg, page-03.tiff.
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</p>
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<p>
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Add a title and description to your job and select the File Setup version* you want to use.
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After uploading the images and completing the File Setup job, the list of files added
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can be seen under “Inputs.” Further below, under “Results,” you can find and download
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the PDF output.</p>
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@ -42,14 +43,17 @@ the PDF output.</p>
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<p>Select an image-to-text conversion tool depending on whether your PDF is primarily
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composed of handwritten text or printed text. For printed text, select the <b>Tesseract OCR
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Pipeline</b>. For handwritten text, select the <b>Transkribus HTR Pipeline</b>. Select the desired
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language model or upload your own. Select the version of Tesseract OCR you want to use
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language model or upload your own. Select the version* of Tesseract OCR you want to use
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and click on submit to start the conversion. When the job is finished, various output
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files can be seen and downloaded further below, under “Results.” You may want to review
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the text output for errors and coherence.</p>
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the text output for errors and coherence. (Note: the Transkribus HTR Pipeline is currently
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deactivated; we are working on an alternative solution. You can try using Tesseract OCR,
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though the results will likely be poor.)
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</p>
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<h5 id="extracting-linguistic-data">Extracting linguistic data from text</h5>
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<p>The <b>SpaCy NLP Pipeline</b> service extracts linguistic information from plain text files
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(in .txt format). Select the corresponding .txt file, the language model, and the
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version you want to use. When the job is finished, find and download the files in
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version* you want to use. When the job is finished, find and download the files in
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<b>.json</b> and <b>.vrt</b> format under “Results.”</p>
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<h5 id="creating-a-corpus">Creating a corpus</h5>
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<p>Now, using the files in .vrt format, you can create a corpus. This can be done
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@ -74,3 +78,9 @@ visually as plain text with the option of highlighted entities or as chips.</p>
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Here, you can filter out text parameters and structural attributes in different
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combinations. This is explained in more detail in the Query Builder section of the
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manual.</p>
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<br>
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<br>
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*For all services, it is recommended to use the latest version unless you need a model
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only available in an earlier version or are looking to reproduce data that was originally generated
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using an older version.
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@ -7,40 +7,58 @@
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</div>
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<div class="col s12 m8">
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<p>
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Nopaque was designed to be modular. Its workflow consists of a sequence
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of services that can be applied at different starting and ending points.
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This allows you to proceed with your work flexibly.
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Each of these modules are implemented in a self-contained service, each of
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which represents a step in the workflow. The services are coordinated in
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such a way that they can be used consecutively. The order can either be
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taken from the listing of the services in the left sidebar or from the
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roadmap (accessible via the pink compass in the upper right corner). All
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services are versioned, so the data generated with nopaque is always
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Nopaque was designed to be modular. Its modules are implemented in
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self-contained <b>services</b>, each of which represents a step in the
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workflow. The typical workflow involves using services one after another,
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consecutively.
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The typical workflow order can be taken from the listing of the
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services in the left sidebar or from the nopaque manual (accessible via the pink
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button in the upper right corner).
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The services can also be applied at different starting and ending points,
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which allows you to conduct your work flexibly.
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All services are versioned, so the data generated with nopaque is always
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reproducible.
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<p>For all services, it is recommended to use the latest version (selected
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in the drop-down menu on the service page) unless you need a model
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only available in an earlier version or are looking to reproduce data that was originally generated
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using an older version.</p>
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</p>
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</div>
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</div>
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<h4 class="manual-chapter-title">File Setup</h4>
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<h4>File Setup</h4>
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<p>
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The <a href="{{ url_for('services.file_setup_pipeline') }}">File Setup Service</a> bundles image data, such as scans and photos,
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together in a handy PDF file. To use this service, use the job form to
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select the images to be bundled, choose the desired service version, and
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specify a title and description. Please note that the service sorts the
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images into the resulting PDF file based on the file names. So naming the
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images correctly is of great importance. It has proven to be a good practice
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to name the files according to the following scheme:
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page-01.png, page-02.jpg, page-03.tiff, etc. In general, you can assume
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specify a title and description.
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Note that the File Setup service will sort the images based on their file name in
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ascending order. It is thus important and highly recommended to name
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them accordingly, for example:
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page-01.png, page-02.jpg, page-03.tiff. Generally, you can assume
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that the images will be sorted in the order in which the file explorer of
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your operating system lists them when you view the files in a folder
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sorted in ascending order by file name.
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</p>
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<h4>Optical Character Recognition (OCR)</h4>
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<p>Coming soon...</p>
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<p>
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The <a href="{{ url_for('services.tesseract_ocr_pipeline') }}">Tesseract OCR Pipeline</a>
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converts image data - like photos and scans - into text data, making them machine-readable.
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This step enables you to proceed with the computational analysis of your documents.
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To use this service, use the job form to select the file you want to convert, choose
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the desired language model and service version, enter the title and description, and
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submit your job. The results can be found and downloaded below, under "Inputs."
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</p>
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<h4>Handwritten Text Recognition (HTR)</h4>
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<p>Coming soon...</p>
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<p>The Transkribus HTR Pipeline is currently
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deactivated. We are working on an alternative solution. In the meantime, you can
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try using Tesseract OCR, though the results will likely be poor.</p>
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<h4>Natural Language Processing (NLP)</h4>
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<p>Coming soon...</p>
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@ -48,7 +66,7 @@
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<h4>Corpus Analysis</h4>
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<p>
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With the corpus analysis service, it is possible to create a text corpus
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and then explore it in an analysis session. The analysis session is realized
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and then explore through it with analytical tools. The analysis session is realized
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on the server side by the Open Corpus Workbench software, which enables
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efficient and complex searches with the help of the CQP Query Language.
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</p>
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