Ever tried to coax text out of a JPEG and felt like you were interrogating an image with nothing but a paperclip and hope? Welcome to practical UiPath OCR, where the robot does the heavy lifting and you get useful strings back instead of gibberish.
Keep it simple and avoid the usual chaos. You need UiPath Studio, an OCR package installed, and a decent quality JPEG. Bonus points for Tesseract or Microsoft OCR and a few Computer Vision activities when the document layout is messy.
Use Load Image or Read Image to bring the JPEG into the workflow. Verify the path and inspect the image visually. If it looks like it was taken in a tunnel or by a raccoon, do some preprocessing first.
Drop in Tesseract OCR or Microsoft OCR and set language and engine options. Tesseract is great for custom tinkering and offline runs. Microsoft OCR often does layout a bit better for printed text. For scanned multipage or complex layouts use Computer Vision activities for superior layout handling.
Basic image processing helps more than wishful thinking. Adjust contrast, remove noise, and resize to about 300 DPI when possible. A small blur or denoising pass plus contrast boost often beats fiddling with obscure engine flags.
The OCR activity returns text. It will not be perfect. Expect misreads for fancy fonts, low contrast, or handwriting. Capture the raw output to a variable for post processing.
Trim whitespace and normalize line endings. Use Regex to extract structured fields like dates or numbers. Example patterns that commonly help are \d{4}-\d{2}-\d{2}
for ISO dates and \b\d{2,}\b
for numeric IDs. Normalization reduces false positives and makes downstream parsing reliable.
Wrap the OCR steps in Try Catch and log meaningful messages. Retry on flaky sources and handle unreadable images by moving them to a review queue. A friendly log entry saves hours of blinking at a blank console later.
In short go from JPEG to clean text by installing the OCR package, loading the image, picking the right OCR engine like Tesseract or Microsoft OCR, doing sensible image processing, cleaning with Trim and Regex, and adding error handling. Follow these steps and your UiPath workflow will stop pretending the image is a mystery and start returning usable text like a well trained robot should.
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