首先下載最新的opencv 和opencv_contrib, 然后按照在Windows下編譯擴展OpenCV 3.1.0 + opencv_contrib的方法進行編譯，其中核心一點就是先編譯opencv，再在OPENCV_EXTRA_MODULES_PATH中加入opencv_contrib的modules的路徑。

編譯好了后就可以進行人臉關鍵點檢測。
我們這里提供我們編譯好的vs2015+opencv4.0.0的庫。
另外編譯好的lib的名字為：
debug:

opencv_aruco400d.lib opencv_bgsegm400d.lib opencv_bioinspired400d.lib opencv_calib3d400d.lib opencv_ccalib400d.lib opencv_core400d.lib opencv_datasets400d.lib opencv_dnn_objdetect400d.lib opencv_dnn400d.lib opencv_dpm400d.lib opencv_face400d.lib opencv_features2d400d.lib opencv_flann400d.lib opencv_fuzzy400d.lib opencv_gapi400d.lib opencv_hfs400d.lib opencv_highgui400d.lib opencv_img_hash400d.lib opencv_imgcodecs400d.lib opencv_imgproc400d.lib opencv_line_descriptor400d.lib opencv_ml400d.lib opencv_objdetect400d.lib opencv_optflow400d.lib opencv_phase_unwrapping400d.lib opencv_photo400d.lib opencv_plot400d.lib opencv_reg400d.lib opencv_rgbd400d.lib opencv_saliency400d.lib opencv_shape400d.lib opencv_stereo400d.lib opencv_stitching400d.lib opencv_structured_light400d.lib opencv_superres400d.lib opencv_surface_matching400d.lib opencv_text400d.lib opencv_tracking400d.lib opencv_video400d.lib opencv_videoio400d.lib opencv_videostab400d.lib opencv_xfeatures2d400d.lib opencv_ximgproc400d.lib opencv_xobjdetect400d.lib opencv_xphoto400d.lib

release:

opencv_aruco400.lib opencv_bgsegm400.lib opencv_bioinspired400.lib opencv_calib3d400.lib opencv_ccalib400.lib opencv_core400.lib opencv_datasets400.lib opencv_dnn_objdetect400.lib opencv_dnn400.lib opencv_dpm400.lib opencv_face400.lib opencv_features2d400.lib opencv_flann400.lib opencv_fuzzy400.lib opencv_gapi400.lib opencv_hfs400.lib opencv_highgui400.lib opencv_img_hash400.lib opencv_imgcodecs400.lib opencv_imgproc400.lib opencv_line_descriptor400.lib opencv_ml400.lib opencv_objdetect400.lib opencv_optflow400.lib opencv_phase_unwrapping400.lib opencv_photo400.lib opencv_plot400.lib opencv_reg400.lib opencv_rgbd400.lib opencv_saliency400.lib opencv_shape400.lib opencv_stereo400.lib opencv_stitching400.lib opencv_structured_light400.lib opencv_superres400.lib opencv_surface_matching400.lib opencv_text400.lib opencv_tracking400.lib opencv_video400.lib opencv_videoio400.lib opencv_videostab400.lib opencv_xfeatures2d400.lib opencv_ximgproc400.lib opencv_xobjdetect400.lib opencv_xphoto400.lib

最好我們可以使用《利用OpenCV中的LBF算法進行人臉關鍵點檢測》 提供的代碼進行關鍵點檢測。

這里提供我們編譯好的工程。

總結

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