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-/*
- * Copyright (c) 2016-2020 Arm Limited.
- *
- * SPDX-License-Identifier: MIT
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef ARM_COMPUTE_NECUMULATIVEDISTRIBUTIONKERNEL_H
-#define ARM_COMPUTE_NECUMULATIVEDISTRIBUTIONKERNEL_H
-
-#include "src/core/NEON/INEKernel.h"
-
-#include <cstdint>
-
-namespace arm_compute
-{
-class IDistribution1D;
-class ILut;
-class ITensor;
-using IImage = ITensor;
-
-/** Interface for the cumulative distribution (cummulative summmation) calculation kernel.
- *
- * This kernel calculates the cumulative sum of a given distribution (meaning that each output element
- * is the sum of all its previous elements including itself) and creates a lookup table with the normalized
- * pixel intensities which is used for improve the constrast of the image.
- */
-class NECumulativeDistributionKernel : public INEKernel
-{
-public:
- const char *name() const override
- {
- return "NECumulativeDistributionKernel";
- }
- /** Default constructor */
- NECumulativeDistributionKernel();
- /** Prevent instances of this class from being copied (As this class contains pointers) */
- NECumulativeDistributionKernel(const NECumulativeDistributionKernel &) = delete;
- /** Prevent instances of this class from being copied (As this class contains pointers) */
- NECumulativeDistributionKernel &operator=(const NECumulativeDistributionKernel &) = delete;
- /** Allow instances of this class to be moved */
- NECumulativeDistributionKernel(NECumulativeDistributionKernel &&) = default;
- /** Allow instances of this class to be moved */
- NECumulativeDistributionKernel &operator=(NECumulativeDistributionKernel &&) = default;
- /** Default destructor */
- ~NECumulativeDistributionKernel() = default;
- /** Set the input and output distribution.
- *
- * @param[in] input Input image. Data type supported: U8
- * @param[in] distribution Unnormalized 256-bin distribution of the input image.
- * @param[out] cumulative_sum Cummulative distribution (Summed histogram). Should be same size as @p distribution.
- * @param[out] output Equalization lookup table. Should consist of 256 entries of U8 elements.
- */
- void configure(const IImage *input, const IDistribution1D *distribution, IDistribution1D *cumulative_sum, ILut *output);
-
- // Inherited methods overridden:
- void run(const Window &window, const ThreadInfo &info) override;
- bool is_parallelisable() const override;
-
-private:
- const IImage *_input; /**< Input image. */
- const IDistribution1D *_distribution; /**< Input histogram of the input image. */
- IDistribution1D *_cumulative_sum; /**< The cummulative distribution. */
- ILut *_output; /**< Output with the equalization lookup table. */
-private:
- static const uint32_t _histogram_size = 256; /**< Default histogram size of 256. */
-};
-} // namespace arm_compute
-#endif /*ARM_COMPUTE_NECUMULATIVEDISTRIBUTIONKERNEL_H */