两年前,在大数据一词风起云涌之时,笔者参加了一场关于视频数据的研讨会。会上听到了一个有趣的故事。上海浦东的一家商场,在“平安城市”建设中,安装了上百个摄像头。因为这些无处不在的视频监控,商场中的偷窃行为逐渐消失。只不过没有了偷窃行为,这些仍然每天“注视”着商场每一个角落的摄像头,似乎又有了些无用武之地的尴尬。而就在此时,一家数据处理公司提出,他们可以利用这些视频,为商场提供一种新的服务:通过视 Two years ago, while the word big data was surging, I participated in a seminar on video data. At the meeting heard an interesting story. Shanghai Pudong, a mall, in the “safe city” construction, the installation of hundreds of cameras. Because of these ubiquitous video surveillance, theft in stores is gradually disappearing. But there is no theft, these are still “watching ” Every corner of the mall camera, it seems that there are some useless embarrassment. And just then, a data processing company proposed that they could use the videos to provide a new service to the mall: