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Add icf feature evaluator

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This commit is contained in:
Vlad Shakhuro
2014-07-31 19:02:04 +04:00
parent 5ff271efce
commit 479f71ef3e
4 changed files with 167 additions and 99 deletions
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25
modules/xobjdetect/include/opencv2/xobjdetect.hpp
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@@ -58,9 +58,9 @@ namespace xobjdetect
channels — output array for computed channels
*/
void computeChannels(InputArray image, std::vector<Mat>& channels);
CV_EXPORTS void computeChannels(InputArray image, std::vector<Mat>& channels);
class CV_EXPORTS ACFFeatureEvaluator : public Algorithm
class CV_EXPORTS FeatureEvaluator : public Algorithm
{
public:
/* Set channels for feature evaluation */
@@ -69,8 +69,6 @@ public:
/* Set window position */
virtual void setPosition(Size position) = 0;
virtual void assertChannels() = 0;
/* Evaluate feature with given index for current channels
and window position */
virtual int evaluate(size_t feature_ind) const = 0;
@@ -81,23 +79,28 @@ public:
*/
virtual void evaluateAll(OutputArray feature_values) const = 0;
virtual void assertChannels() = 0;
};
/* Construct evaluator, set features to evaluate */
CV_EXPORTS Ptr<ACFFeatureEvaluator>
createACFFeatureEvaluator(const std::vector<Point3i>& features);
/* Construct feature evaluator, set features to evaluate
type can "icf" or "acf" */
CV_EXPORTS Ptr<FeatureEvaluator>
createFeatureEvaluator(const std::vector<std::vector<int> >& features,
const std::string& type);
/* Generate acf features
window_size — size of window in which features should be evaluated
type — type of features, can be "icf" or "acf"
count — number of features to generate.
Max number of features is min(count, # possible distinct features)
Returns vector of distinct acf features
*/
std::vector<Point3i>
generateFeatures(Size window_size, int count = INT_MAX);
std::vector<std::vector<int> >
generateFeatures(Size window_size, const std::string& type,
int count = INT_MAX, int channel_count = 10);
struct CV_EXPORTS WaldBoostParams
@@ -135,7 +138,7 @@ public:
is from class +1
*/
virtual float predict(
const Ptr<ACFFeatureEvaluator>& /*feature_evaluator*/) const
const Ptr<FeatureEvaluator>& /*feature_evaluator*/) const
{return 0.0f;}
/* Write WaldBoost to FileStorage */
@@ -207,7 +210,7 @@ public:
private:
Ptr<WaldBoost> waldboost_;
std::vector<Point3i> features_;
std::vector<std::vector<int> > features_;
int model_n_rows_;
int model_n_cols_;
};