TestHemiCube.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_TEST_TESTCV_TESTDETECTOR_TEST_HEMI_CUBE_H
#define META_OCEAN_TEST_TESTCV_TESTDETECTOR_TEST_HEMI_CUBE_H
 
#include "ocean/test/testcv/testdetector/TestCVDetector.h"
 
#include "ocean/base/RandomGenerator.h"
 
#include "ocean/math/FiniteLine2.h"
 
namespace Ocean
{
 
namespace Test
{
 
namespace TestCV
{
 
namespace TestDetector
{
 
/**
 * This class implements tests for the Hemi cube.
 * @ingroup testcvdetector
 */
class OCEAN_TEST_CV_DETECTOR_EXPORT TestHemiCube
{
    public:
        /**
         * Invokes all test for the Hemi cube.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @param worker The worker object
         * @return True, if succeeded
         */
        static bool test(const double testDuration, Worker& worker);
 
        /**
         * Tests the add lines to the Hemi cube.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testAdd(const double testDuration);
 
        /**
         * Test merging of two line segments into a new line segment
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testLineFusion(const double testDuration);
 
        /**
         * Test merging of two line segments into a new line segment
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testMergeGreedyBruteForce(const double testDuration);
 
        /**
         * Test merging of two line segments into a new line segment
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testMerge(const double testDuration);
 
    protected:
 
        /**
         * Generate a random 2D line segment inside the boundaries of an image/rectangle.
         * @param randomGenerator The random generator to be used for the generation of the test data
         * @param imageWidth Width of the image
         * @param imageHeight Height of the image
         * @return A line segment within the image boundaries
         */
        static FiniteLine2 generateRandomFiniteLine2(RandomGenerator& randomGenerator, const unsigned int imageWidth, const unsigned int imageHeight);
 
        /**
         * Generate a random 2D line segment inside the boundaries of an image/rectangle that is orthogonal to a reference line segment.
         * @param randomGenerator The random generator to be used for the generation of the test data
         * @param line Line for which a orthogonal line will be generated randomly
         * @param imageWidth Width of the image
         * @param imageHeight Height of the image
         * @param minLineLength Minimum length of the random line segments that are generated, default: 0.5, range: (0, infinity)
         * @return A line segment within the image boundaries
         */
        static FiniteLine2 generateRandomOrthogonalFiniteLine2(RandomGenerator& randomGenerator, const FiniteLine2& line, const unsigned int imageWidth, const unsigned int imageHeight, const Scalar minLineLength = Scalar(0.5));
 
        /**
         * Generate a random 2D line segment inside the boundaries of an image/rectangle that is collinear with a reference line segment.
         * @param randomGenerator The random generator to be used for the generation of the test data
         * @param line Line for which a collinear line will be generated randomly
         * @param imageWidth Width of the image
         * @param imageHeight Height of the image
         * @param minLineLength Minimum length of the random line segments that are generated, default: 0.5, range: (0, infinity)
         * @return A line segment within the image boundaries
         */
        static FiniteLine2 generateRandomCollinearFiniteLine2(RandomGenerator& randomGenerator, const FiniteLine2& line, const unsigned int imageWidth, const unsigned int imageHeight, const Scalar minLineLength = Scalar(0.5));
 
        /**
         * Validation for line merging function
         * @param testLine Result of merging parameter `lines` with `HemiCube::fuse()`.
         * @param lines Lines to be merged.
         * @return True if the result of this function is sufficiently close to `testLine`, otherwise false.
         */
        static bool validateLineFusion(const FiniteLine2& testLine, const FiniteLines2& lines);
};
 
} // namespace TestDetector
 
} // namespace TestCV
 
} // namespace Test
 
} // namespace Ocean
 
#endif // META_OCEAN_TEST_TESTCV_TESTDETECTOR_TEST_HEMI_CUBE_H