Our paper “User-System Cooperative Evolutionary Computation for both Quantitative and Qualitative Objective Optimization in Image Processing Filter Design” will be published in Applied Soft Computing Journal. Free access until 26th March, 2014: http://elsarticle.com/1ej7JRE – This study proposes a cooperative evolutionary optimization method between a user and system (CEUS) for problems involving quantitative and qualitative optimization criteria. In a general Interactive… Read more →

Recent popularization of two-dimentional code involving monetary worth such as an airplane bording pass requires technologies for its illegal copy detection. This paper proposes a method for implanting a watermark into a decorated color QR code for detecting counterfeit QR code which is copied by photocopiers in stores.

Overview Barcode is used in various purposes such as merchandise control, book collection control in libraries, and so on. QR code, a kind of two-dimensional barcode investigated by Denso Wave, is used as so-called shortcut to get a URL, e-mail address, phone number and so on, in recent Japan. QR codes are now used in broader context spanning for convenience-oriented… Read more →