Universal Defensive Underpainting Patch: Making Your Text Invisible to Optical Character Recognition.
Jiacheng DengLi DongJiahao ChenDiqun YanRangding WangDengpan YeLingchen ZhaoJinyu TianPublished in: CoRR (2023)
Keyphrases
- optical character recognition
- ocr systems
- text recognition
- printed documents
- printed text
- text regions
- text extraction
- document images
- character recognition
- historical manuscripts
- english text
- text lines
- scanned documents
- character segmentation
- document analysis
- character n grams
- handwriting recognition
- page segmentation
- information retrieval
- text detection
- text retrieval
- text information
- text segmentation
- text mining
- hidden markov models
- real time
- image binarization
- word spotting
- information extraction