{'fraction_non_alphanumeric': 0.018912529550827423, 'fraction_numerical': 0.0, 'mean_word_length': 4.653333333333333, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Visual QR codes with lossless picture embedding

In spite of the widespread use of QR codes in various applications, one problem with them is that they have low human visualization effect. One approach to tackle this problem is QR code beautification, to which this work can be classified as belonging. With the proposed method, original pictures (or big logos) can be embedded into QR codes with no loss in visual quality.