Peter M. Groen / openbr

Commit 0e1d890a0ee8a66d7ec7d7499e4cf68f1ee05a1c

Authored by Brendan K
1 parent 425001eb

Transform to randomly sample a gallery

Inline Side-by-side
Showing 1 changed file with 34 additions and 0 deletions
openbr/plugins/metadata/randomtemplates.cpp 0 → 100644
  View file @0e1d890
  1 +#include <openbr/plugins/openbr_internal.h>
  2 +
  3 +namespace br
  4 +{
  5 +
  6 +/*!
  7 + * \ingroup transforms
  8 + * \author Brendan Klare \cite bklare
  9 + * \brief Randomly sample templates from a gallery
  10 + */
  11 +class RandomTemplatesTransform : public UntrainableMetaTransform
  12 +{
  13 + Q_OBJECT
  14 + Q_PROPERTY(float percent READ get_percent WRITE set_percent RESET reset_percent)
  15 + BR_PROPERTY(float, percent, .01)
  16 +
  17 + void project(const Template &src, Template &dst) const {
  18 + qFatal("Not supported in RandomTemplates.");
  19 + }
  20 +
  21 + void project(const TemplateList &src, TemplateList &dst) const {
  22 + for (int i = 0; i < src.size(); i++) {
  23 + const float r = static_cast <float> (rand()) / static_cast <float> (RAND_MAX);
  24 + if (r <= percent)
  25 + dst.append(src[i]);
  26 + }
  27 + }
  28 +};
  29 +BR_REGISTER(Transform, RandomTemplatesTransform)
  30 +
  31 +} // namespace br
  32 +
  33 +#include "imgproc/randomtemplates.moc"
  34 +
... ...