Used haar-cascade to detect human face and smile using opencv
Instructions:
1.) There are 3 files of haar-cascade which needs to be included in the python script. 2.) The haar-cascade files are .xml files which contains the information of detecting various features of the object. 3.) Firstly, the face is detected, then the eyes and smile are detected upon the face. 4.) Write the code or copy and paste the code and execute it.