if.cpp
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#include <openbr/plugins/openbr_internal.h>
namespace br
{
/*!
* \ingroup transforms
* \author Scott Klum \cite sklum
* \brief Document Me!
*/
class IfTransform : public MetaTransform
{
Q_OBJECT
Q_PROPERTY(br::Transform* transform READ get_transform WRITE set_transform RESET reset_transform)
Q_PROPERTY(QString key READ get_key WRITE set_key RESET reset_key)
Q_PROPERTY(QString value READ get_value WRITE set_value RESET reset_value)
Q_PROPERTY(QString comparison READ get_comparison WRITE set_comparison RESET reset_comparison)
BR_PROPERTY(br::Transform*, transform, NULL)
BR_PROPERTY(QString, key, "Label")
BR_PROPERTY(QString, value, "1")
BR_PROPERTY(QString, comparison, "e")
bool compare(const QString &metadata) const
{
bool result, ok1 = true, ok2 = true;
if (comparison == "e")
result = metadata == value;
else if (comparison == "ne")
result = metadata != value;
else if (comparison == "l")
result = metadata.toFloat(&ok1) < value.toFloat(&ok2);
else if (comparison == "g")
result = metadata.toFloat(&ok1) > value.toFloat(&ok2);
else if (comparison == "le")
result = metadata.toFloat(&ok1) <= value.toFloat(&ok2);
else if (comparison == "ge")
result = metadata.toFloat(&ok1) >= value.toFloat(&ok2);
else
qFatal("Unrecognized comparison string.");
if (!(ok1 && ok2))
qFatal("Cannot convert metadata value and/or comparison to float.");
return result;
}
public:
void train(const TemplateList &data)
{
if (transform->trainable) {
TemplateList passed;
for (int i=0; i<data.size(); i++)
if (compare(data[i].file.get<QString>(key)))
passed.append(data[i]);
transform->train(passed);
}
}
void project(const Template &src, Template &dst) const {
if (compare(src.file.get<QString>(key)))
transform->project(src,dst);
else
dst = src;
}
};
BR_REGISTER(Transform, IfTransform)
} // namespace br
#include "imgproc/if.moc"