price tag reader

Sources to check out

• 1
  • https://www.pyimagesearch.com/2017/07/17/credit-card-ocr-with-opencv-and-python/
  • https://www.pyimagesearch.com/wp-content/uploads/2015/01/the-ultimate-barcode-detection-guide.pdf
  • https://www.pyimagesearch.com/2015/11/30/detecting-machine-readable-zones-in-passport-images/
• 2
  • https://github.com/goncalopp/simple-ocr-opencv
  • https://github.com/goncalopp/simple-ocr-opencv/wiki/Grounding
• 3
  • https://stackoverflow.com/questions/28935983/preprocessing-image-for-tesseract-ocr-with-opencv
  • https://stackoverflow.com/questions/19268648/using-tesseract-to-recognize-license-plates/19418347#19418347
• 4
  • https://www.mkompf.com/cplus/emeocv.html

Methods to read about

• thresholding
• morphological operations
• contour extraction

Segmentation-free DNN solutions for multi-digit recognition in the literature:

• https://arxiv.org/pdf/1312.6082.pdf
• https://arxiv.org/abs/1706.03581
• https://arxiv.org/abs/1701.06439
• https://arxiv.org/abs/1612.01294
• https://arxiv.org/abs/1412.1842
• https://arxiv.org/abs/1411.0126

Barcde reading solutions in the literature:

• http://vbn.aau.dk/files/261392843/yolo_barcode.pdf
• http://www.iaeng.org/publication/WCE2017/WCE2017_pp501-507.pdf
• http://artelab.dicom.uninsubria.it/projects/demos/barcode_hough/index.php#output
• https://users.soe.ucsc.edu/~manduchi/papers/barcodes.pdf
• https://www.ijser.org/researchpaper/Robust-Algorithm-for-Developing-Barcode-Recognition-System-using-Web-cam.pdf
• https://ai2-s2-pdfs.s3.amazonaws.com/28ea/c9e91fb7639b936dc8a63c249011db337264.pdf
• http://www.comm.utoronto.ca/~dkundur/course_info/real-time-DSP/implementation/Demo_Barcode_Recognition.pdf

Text localization and interpretation in image (Tensorflow)

• https://arxiv.org/pdf/1702.03970v1.pdf
• https://arxiv.org/pdf/1704.03549.pdf