具有AttributeError:'module'对象的OpenCV的Python绑定没有属性'FeatureDetector_create'

问题描述

我正在为OpenCV 2.4.X和OpenCV 3.1使用python绑定，但具有以下简单的两行代码

I am using the python bindings for OpenCV 2.4.X and OpenCV 3.1 but with the following simple two-liner

import cv2
detector = cv2.FeatureDetector_create("SURF")

我得到以下输出:

I get the following output:

Traceback (most recent call last):
   File "version_test.py", line 3, in <module>
    detector = cv2.FeatureDetector_create("SURF")
AttributeError: 'module' object has no attribute 'FeatureDetector_create'

每个版本中出现此错误的原因是什么?

What are the reasons for this error in each version?

推荐答案

对于2.4.X版本，似乎还需要opencv-devel和opencv-debuginfo(rpm/deb)软件包.

It seemed that I need opencv-devel and opencv-debuginfo (rpm/deb) packages as well for the 2.4.X version.

对于3.1版本，这些功能已被删除，以支持类似的功能

Regarding the 3.1 version, these functions have been removed in favor of functions like

detector = cv2.TYPE_create()

其中TYPE可以是ORB或您选择的其他检测器，但不能将SURF和SIFT移至 nonfree 软件包.有关更多信息，请参见源.

where TYPE can be ORB or other detector of your choosing but not SURF and SIFT which have been moved to a nonfree package. For more info check this source.

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