这是卡内基梅隆大学的公开侧面人脸测试集，其中包含208幅图像，其中有441张各种姿态和场景的人脸。这个测试集人脸模式复杂，非常具有挑战性。 The image dataset is used by the CMU Face Detection Project and is provided for evaluating algorithms for detecting frontal and profile views of human faces. This test set was collected at CMU by Henry Schneiderman and Takeo Kanad