图象信息处理 meaning in English

graphic information processing

Images containing faces are essential to intelligent vision - based human computer interaction , and research efforts in face processing include face recognition , face tracking , pose estimation , and expression recognition . however , all of these researching directions involve in one problem - face detection and location , in other words , before this face processing , we must know faces " locations and scales
在目前的人脸图象信息处理领域中，包含有人脸识别、人脸跟踪、姿态估计、表情识别等多个研究方向，然而，所有这些研究方向都涉及到一个人脸标识和定位的问题，即必须知道人脸在图象中的位置以及尺寸? ?人脸检测。