Solved XML file whose path is specified in qrc file is not loaded

[Aaron Kim]

CascadeClassifier faceClassifier;
CascadeClassifier eyeClassifier;
Q_ASSERT(faceClassifier.load(":/resources/haarcascade_frontalface_default.xml"));
Q_ASSERT(eyeClassifier.load(":/resources/haarcascade_eye.xml"));

This is a simple OpenCV code and load() function is blocked by Q_ASSERT. (which means it can not find the xml file)

<!DOCTYPE RCC><RCC version="1.0">
<qresource>
  <file>resources/icon.ico</file>
  <file>resources/MaestroTimes.ttf</file>
  <file>resources/haarcascade_eye.xml</file>
  <file>resources/haarcascade_frontalface_default.xml</file>
</qresource>
</RCC>

This is the qrc file

[mrjj]

Hi
What XML parser are you using ?
The Qt one ?

Also please show code for
faceClassifier.load

for test, please delete whole build folder so tmp files are 100% surely deleted.
then rebuild all.

[Aaron Kim]

@mrjj CascadeClassifier::load is not a function I made, but a function in OpenCV module.
I tried deleting the build folder, but it doesn't work either

[jsulm]

@Aaron-Kim Does OpenCV know anything about Qt resource files? If not this can't work. You will need to copy the XML file from the resource to some temporary location.

[Aaron Kim]

@jsulm Yes I guess that OpenCV does not support it. thanks!