An age group classification system for gray-scale facial images is proposed in this paper. Four age groups, including babies, young adults, middle-aged adults, and old adults, are used in the classification system.

数学通俗名著系列，适于青少年的科普读物。也适用于高智商娱乐。包括算术游戏、算术趣谈、几何游戏、几何趣谈、多面体、棋盘游戏、幻方、地图染色问题、单行线问题、心算、组合设计、密码分析等。-Mathematics popular classics series, popular science books suitable for young people. Also applies to the highly intelligent entertainment. Including arithmet

在中国有很多人都认为IT行为是吃青春饭的，如果过了30岁就很难有机会再发展下去！其实现实并不是这样子的，在下从事.NET及JAVA方面的开发的也有8年的时间了，在这里在下想凭借自己的亲身经历，与大家一起探讨一下。-Allow phonetic typing In China, there are a lot of people think that IT behavior is to eat the young rice, if over 30 years of age it is diff