* Adapts a detector to detect points over multiple levels of a Gaussian
* pyramid. Useful for detectors that are not inherently scaled.
*/
-CV_EXPORTS class PyramidAdaptedFeatureDetector : public FeatureDetector
+class CV_EXPORTS PyramidAdaptedFeatureDetector : public FeatureDetector
{
public:
PyramidAdaptedFeatureDetector( const Ptr<FeatureDetector>& detector, int levels=2 );
* (set in constructor) computes descriptors on each of the three channel and concatenate
* them into a single color descriptor.
*/
-class OpponentColorDescriptorExtractor : public DescriptorExtractor
+class CV_EXPORTS OpponentColorDescriptorExtractor : public DescriptorExtractor
{
public:
OpponentColorDescriptorExtractor( const Ptr<DescriptorExtractor>& dextractor );