Two-dimensional bar code mobile commerce - Implementation and performance analysis

Two-dimensional bar code is called in Japan, QR Code (Quick Response Code, quick response codes). Holding a camera phone in front of this small black box according to what, after the phone software to identify, quickly turned into a line on the site, connected to the site, you can get the information you need. Of course, not necessarily a website, small black box may also be represented by e-mail, image data or text data. The study of this system in different two-dimensional bar code Shoujizuoye. The Implementation and performance analysis, in which experiments can see, network quality of service is subject to various factors Ying Xiang, to send Therefore, in the Internet video O'clock, must consider the status of the network, to the decision to adopt the GOP pattern; on streams in the network, the packet error rate will change the packet loss probability, affect the image quality.