google Colaboratory opencv xfeatures2d_SURF

Question

!pip install opencv-python && pip install opencv-contrib-python

Requirement already satisfied: opencv-python in /usr/local/lib/python3.6/dist-packages Requirement already satisfied: numpy>=1.11.3 in /usr/local/lib/python3.6/dist-packages (from opencv-python) Requirement already satisfied: opencv-contrib-python in /usr/local/lib/python3.6/dist-packages Requirement already satisfied: numpy>=1.11.3 in /usr/local/lib/python3.6/dist-packages (from opencv-contrib-python)

import cv2
cv2.xfeatures2d_SURF

AttributeError: module 'cv2.cv2' has no attribute 'xfeatures2d_SURF'

Why does not it work?

Answer 1

xfeatures2d_SURF is not a proper function.

Try: cv2.xfeatures2d.SURF_create() to test your installation.

Here is an tutorial showing how to use SURF in python.