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