“…Logos can be composed of a glyph, a textual message, an icon, or an image, depicted in various colors and styles. Detection and recognition of logos has always been important in a wide range of applications, such as product or brand identification, copyright infringement detection, contextual advertise placement, vehicle logo for intelligent traffic-control system [1], and brand-related statistics from social media streams [2]. At present, with the rapid development of multimedia information technology, the amount of logo data on the Internet continues to grow.…”