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/* Copyright 2016 The TensorFlow Authors. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/
// NOTE: no native object detectors are currently provided or used by the code
// in this directory. This class remains mainly for historical reasons.
// Detection in the TF demo is done through TensorFlowMultiBoxDetector.java.
// Contains ObjectModelBase declaration.
#ifndef THIRD_PARTY_TENSORFLOW_EXAMPLES_ANDROID_JNI_OBJECT_TRACKING_DETECTION_OBJECT_MODEL_H_
#define THIRD_PARTY_TENSORFLOW_EXAMPLES_ANDROID_JNI_OBJECT_TRACKING_DETECTION_OBJECT_MODEL_H_
#ifdef __RENDER_OPENGL__
#include <GLES/gl.h>
#include <GLES/glext.h>
#endif
#include <vector>
#include "tensorflow/examples/android/jni/object_tracking/geom.h"
#include "tensorflow/examples/android/jni/object_tracking/image-inl.h"
#include "tensorflow/examples/android/jni/object_tracking/image.h"
#include "tensorflow/examples/android/jni/object_tracking/integral_image.h"
#ifdef __RENDER_OPENGL__
#include "tensorflow/examples/android/jni/object_tracking/sprite.h"
#endif
#include "tensorflow/examples/android/jni/object_tracking/utils.h"
#include "tensorflow/examples/android/jni/object_tracking/config.h"
#include "tensorflow/examples/android/jni/object_tracking/image_data.h"
#include "tensorflow/examples/android/jni/object_tracking/keypoint.h"
namespace tf_tracking {
// The ObjectModelBase class represents all the known appearance information for
// an object. It is not a specific instance of the object in the world,
// but just the general appearance information that enables detection. An
// ObjectModelBase can be reused across multiple-instances of TrackedObjects.
class ObjectModelBase {
public:
ObjectModelBase(const std::string& name) : name_(name) {}
virtual ~ObjectModelBase() {}
// Called when the next step in an ongoing track occurs.
virtual void TrackStep(
const BoundingBox& position, const Image<uint8>& image,
const IntegralImage& integral_image, const bool authoritative) {}
// Called when an object track is lost.
virtual void TrackLost() {}
// Called when an object track is confirmed as legitimate.
virtual void TrackConfirmed() {}
virtual float GetMaxCorrelation(const Image<float>& patch_image) const = 0;
virtual MatchScore GetMatchScore(
const BoundingBox& position, const ImageData& image_data) const = 0;
virtual void Draw(float* const depth) const = 0;
inline const std::string& GetName() const {
return name_;
}
protected:
const std::string name_;
private:
TF_DISALLOW_COPY_AND_ASSIGN(ObjectModelBase);
};
template <typename DetectorType>
class ObjectModel : public ObjectModelBase {
public:
ObjectModel<DetectorType>(const DetectorType* const detector,
const std::string& name)
: ObjectModelBase(name), detector_(detector) {}
protected:
const DetectorType* const detector_;
TF_DISALLOW_COPY_AND_ASSIGN(ObjectModel<DetectorType>);
};
} // namespace tf_tracking
#endif // THIRD_PARTY_TENSORFLOW_EXAMPLES_ANDROID_JNI_OBJECT_TRACKING_DETECTION_OBJECT_MODEL_H_
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