Image recognition techniques currently used cannot effectively detect similar foreign materials for their same appearance as the background.
相似异物作为一种与背景特征相似的被检测对象，使目前的图像识别技术遇到新的挑战。
You can accomplish this using window creation and change events, along with optical image recognition techniques, to synchronize user input with server output.
您可以使用带有可选图形识别技术的窗口创建和改变事件来完成这个工作，从而同步用户输入数据和服务器输出数据。
In order to achieve quick image acquisition and recognition, the image processing techniques of digital scanning pen is studied by the Numbers.
为了实现图像的快速采集与识别，对数码扫描笔中的图像处理技术进行了系统的研究。
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