Can not find file

[mochaojie]

I can not find file #include <opencv2\Blob_detection.hpp>, it make an error.

[mochaojie]

and when i want to run with my vedio, it also exits error. Like this:
引发了异常: 读取访问权限冲突。
N_ptr 是 nullptr。

[smitropoulos]

@mochaojie Are you sure you have included the opencv ilbraries?

[tvshow5727]

I can not find file #include <opencv2\Blob_detection.hpp>, it make an error.

use SimpleBlobDetector instead ,it 's whether work? opencv3 dont include Blob_detection.hpp