QR Code Patterns Localization based on Hu Invariant Moments

QR Code Patterns Localization based on Hu Invariant Moments

The widespread utilization of QR code and its coincidence with the swift growth of e-commerce transactions have imposed the computer vision researchers to continuously devise a variety of QR code recognition algorithms. The latter performances are generally limited due to two main factors. Firstly, most of them are computationally expensive because of the implemented feature descriptor complexi...

Zone based Method to Classify Isolated Malayalam Handwritten Characters using Hu-Invariant Moments and Neural Networks

Handwritten Character Recognition of Indian languages have been a demanding task in image processing and pattern recognition. Structural complexity and likeness in the characters also increases the complexity in the classification of characters. In this study, Malayalam, a south-Indian language investigated for recognition of its characters using Hu-invariant moments.Moments applied to the prep...

Geometric Invariant Digital Image Watermarking Techniques for QR code

Online media content distributions require methods to protect the intellectual property of distributed content. Intellectual property protection measures preserves the ownership rights of original work so that no one can plagiarize the work in any way without seeking permission for the use and, if necessary, paying a royalty for the usage. Digital watermarking is one such technology in electron...

Improved QR Code Localization Using Boosted Cascade of Weak Classifiers

Usage of computer-readable visual codes became common in our everyday life at industrial environments and private use. The reading process of visual codes consists of two tasks: localization and data decoding. Unsupervised localization is desirable at industrial setups and for visually impaired people. This paper examines localization efficiency of cascade classifiers using Haarlike features, L...

QR Code Localization Using Boosted Cascade of Weak Classifiers