从基础到进阶，还是英文的比较准确一些吧啊嗯！！
PCL/OpenNI tutorial 0: The very basics：http://robotica.unileon.es/index.php/PCL/OpenNI_tutorial_0:_The_very_basics
PCL/OpenNI tutorial 1: Installing and testing：http://robotica.unileon.es/index.php/PCL/OpenNI_tutorial_1:_Installing_and_testing
PCL/OpenNI tutorial 2: Cloud processing (basic)：http://robotica.unileon.es/index.php/PCL/OpenNI_tutorial_2:_Cloud_processing_(basic)
PCL/OpenNI tutorial 3: Cloud processing (advanced)：http://robotica.unileon.es/index.php/PCL/OpenNI_tutorial_3:_Cloud_processing_(advanced)
PCL/OpenNI tutorial 4: 3D object recognition (descriptors)：http://robotica.unileon.es/index.php/PCL/OpenNI_tutorial_4:_3D_object_recognition_(descriptors)
PCL/OpenNI tutorial 5: 3D object recognition (pipeline)：http://robotica.unileon.es/index.php/PCL/OpenNI_tutorial_5:_3D_object_recognition_(pipeline)
PCL/OpenNI troubleshooting：http://robotica.unileon.es/index.php/PCL/OpenNI_troubleshooting