cv2和BGR2YCrCb不兼容Python绑定

Question

是否有人遇到OpenCV 2.4问题并将图像转换为YCrCb色彩空间？我正在使用Python绑定，我似乎无法找到用于转换BGR2YCrCb的任何定义。以下是我一直在尝试的一些事情：

>>> import cv2
>>> cv2.COLOR_BGR2GRAY # works fine
6L
>>> cv2.COLOR_BGR2HSV # works fine
40L
>>> cv2.COLOR_BGR2YCrCb # now the trouble starts
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'COLOR_BGR2YCrCb'
>>> cv2.COLOR_BGR2YCC
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'COLOR_BGR2YCC'
>>>

有人知道如何在cv2中执行转换吗？

Answer 1

在Python中，COLOR_BGR2YCrCb称为 COLOR_BGR2YCR_CB 。

看build/modules/python/pyopencv_generated_const_reg.h透露：

97: PUBLISH2(COLOR_BGR2YCR_CB,cv::COLOR_BGR2YCrCb);