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我使用SURF功能检测OpenCV来比较两个图像。 当我选择两个相同的图像（有时相同的图像选择），I得到这样的：OpenCV findHomography errors
OpenCV Error: Assertion failed (CV_IS_MAT(imagePoints) && CV_IS_MAT(objectPoints)) in cvFindHomography, file /home/OpenCV/OpenCV-2.4.3/modules/calib3d/src/fundam.cpp, line 232
Qt has caught an exception thrown from an event handler. Throwing
exceptions from an event handler is not supported in Qt. You must
reimplement QApplication::notify() and catch all exceptions there.
terminate called after throwing an instance of 'cv::Exception'
what(): /home/OpenCV/OpenCV-2.4.3/modules/calib3d/src/fundam.cpp:232: error: (-215) CV_IS_MAT(imagePoints) && CV_IS_MAT(objectPoints) in function cvFindHomography
Le programme s'est terminé subitement
与两个不同的图像中的代码的第二个执行说：
what(): /home/OpenCV/OpenCV-2.4.3/modules/calib3d/src/fundam.cpp:235: error: (-215) count >= 4 in function cvFindHomography
我重复执行每次都有不同的图像多次，有些测试给了我想要的结果。