Remove Computer Vision generic interfaces and types

Removes:
    - reference validation routines
    - CV related types and structures
    - CV related interfaces

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I3a203da12d9b04c154059b190aeba18a611149a9
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5340
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

4 files changed, 1 insertions, 234 deletions

diff --git a/arm_compute/core/CPP/CPPKernels.h b/arm_compute/core/CPP/CPPKernels.h
index 7187613488..f6f36596c4 100644
--- a/arm_compute/core/CPP/CPPKernels.h
+++ b/arm_compute/core/CPP/CPPKernels.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -26,11 +26,8 @@
 
 /* Header regrouping all the CPP kernels */
 #include "arm_compute/core/CPP/kernels/CPPBoxWithNonMaximaSuppressionLimitKernel.h"
-#include "arm_compute/core/CPP/kernels/CPPCornerCandidatesKernel.h"
-#include "arm_compute/core/CPP/kernels/CPPDetectionWindowNonMaximaSuppressionKernel.h"
 #include "arm_compute/core/CPP/kernels/CPPNonMaximumSuppressionKernel.h"
 #include "arm_compute/core/CPP/kernels/CPPPermuteKernel.h"
-#include "arm_compute/core/CPP/kernels/CPPSortEuclideanDistanceKernel.h"
 #include "arm_compute/core/CPP/kernels/CPPTopKVKernel.h"
 #include "arm_compute/core/CPP/kernels/CPPUpsampleKernel.h"
 
diff --git a/arm_compute/core/CPP/kernels/CPPCornerCandidatesKernel.h b/arm_compute/core/CPP/kernels/CPPCornerCandidatesKernel.h
deleted file mode 100644
index e4fd250a61..0000000000
--- a/arm_compute/core/CPP/kernels/CPPCornerCandidatesKernel.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright (c) 2017-2020 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_CPPCORNERCANDIDATESKERNEL_H
-#define ARM_COMPUTE_CPPCORNERCANDIDATESKERNEL_H
-
-#include "arm_compute/core/CPP/ICPPKernel.h"
-#include "arm_compute/core/IArray.h"
-
-#include "support/Mutex.h"
-
-#include <cstdint>
-
-namespace arm_compute
-{
-class ITensor;
-/** Interface for CPP Images. */
-using IImage = ITensor;
-
-/** CPP kernel to perform corner candidates
- */
-class CPPCornerCandidatesKernel : public ICPPKernel
-{
-public:
-    const char *name() const override
-    {
-        return "CPPCornerCandidatesKernel";
-    }
-    /** Default constructor */
-    CPPCornerCandidatesKernel();
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    CPPCornerCandidatesKernel(const CPPCornerCandidatesKernel &) = delete;
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    CPPCornerCandidatesKernel &operator=(const CPPCornerCandidatesKernel &) = delete;
-    /** Prevent instances of this class from being moved (As this class contains non movable objects) */
-    CPPCornerCandidatesKernel(CPPCornerCandidatesKernel &&) = delete;
-    /** Prevent instances of this class from being moved (As this class contains non movable objects) */
-    CPPCornerCandidatesKernel &operator=(CPPCornerCandidatesKernel &&) = delete;
-    /** Default destructor */
-    ~CPPCornerCandidatesKernel() = default;
-
-    /** Setup the kernel parameters
-     *
-     * @param[in]  input                 Source image (harris score). Format supported F32
-     * @param[out] output                Destination array of InternalKeypoint
-     * @param[out] num_corner_candidates Number of corner candidates
-     */
-    void configure(const IImage *input, InternalKeypoint *output, int32_t *num_corner_candidates);
-
-    // Inherited methods overridden:
-    void run(const Window &window, const ThreadInfo &info) override;
-
-private:
-    int32_t           *_num_corner_candidates;   /**< Number of corner candidates */
-    arm_compute::Mutex _corner_candidates_mutex; /**< Mutex to preventing race conditions */
-    const IImage      *_input;                   /**< Source image - Harris score */
-    InternalKeypoint *_output;                   /**< Array of NEInternalKeypoint */
-};
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_CPPCORNERCANDIDATESKERNEL_H */
diff --git a/arm_compute/core/CPP/kernels/CPPDetectionWindowNonMaximaSuppressionKernel.h b/arm_compute/core/CPP/kernels/CPPDetectionWindowNonMaximaSuppressionKernel.h
deleted file mode 100644
index 5275a357b3..0000000000
--- a/arm_compute/core/CPP/kernels/CPPDetectionWindowNonMaximaSuppressionKernel.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (c) 2017-2020 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_CPPDETECTIONWINDOWNONMAXIMASUPPRESSIONKERNEL_H
-#define ARM_COMPUTE_CPPDETECTIONWINDOWNONMAXIMASUPPRESSIONKERNEL_H
-
-#include "arm_compute/core/CPP/ICPPKernel.h"
-#include "arm_compute/core/IArray.h"
-#include "arm_compute/core/IHOG.h"
-#include "arm_compute/core/Types.h"
-
-namespace arm_compute
-{
-/** CPP kernel to perform in-place computation of euclidean distance on IDetectionWindowArray
- *
- * @note This kernel is meant to be used alongside HOG or other object detection algorithms to perform a non-maxima suppression on a
- *       IDetectionWindowArray
- */
-class CPPDetectionWindowNonMaximaSuppressionKernel : public ICPPKernel
-{
-public:
-    const char *name() const override
-    {
-        return "CPPDetectionWindowNonMaximaSuppressionKernel";
-    }
-    /** Default constructor */
-    CPPDetectionWindowNonMaximaSuppressionKernel();
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    CPPDetectionWindowNonMaximaSuppressionKernel(const CPPDetectionWindowNonMaximaSuppressionKernel &) = delete;
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    CPPDetectionWindowNonMaximaSuppressionKernel &operator=(const CPPDetectionWindowNonMaximaSuppressionKernel &) = delete;
-    /** Allow instances of this class to be moved */
-    CPPDetectionWindowNonMaximaSuppressionKernel(CPPDetectionWindowNonMaximaSuppressionKernel &&) = default;
-    /** Allow instances of this class to be moved */
-    CPPDetectionWindowNonMaximaSuppressionKernel &operator=(CPPDetectionWindowNonMaximaSuppressionKernel &&) = default;
-    /** Default destructor */
-    ~CPPDetectionWindowNonMaximaSuppressionKernel() = default;
-    /** Initialise the kernel's input, output and the euclidean minimum distance
-     *
-     * @attention: If @ref IDetectionWindowArray is passed to the kernel, the map() and unmap() methods @ref IDetectionWindowArray must be called respectively before and after
-     *             the run() method of @ref CPPDetectionWindowNonMaximaSuppressionKernel
-     *
-     * @param[in, out] input_output Input/Output array of @ref DetectionWindow
-     * @param[in]      min_distance Radial Euclidean distance for non-maxima suppression
-     */
-    void configure(IDetectionWindowArray *input_output, float min_distance);
-
-    // Inherited methods overridden:
-    void run(const Window &window, const ThreadInfo &info) override;
-    bool is_parallelisable() const override;
-
-private:
-    IDetectionWindowArray *_input_output;
-    float                  _min_distance;
-};
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_CPPDETECTIONWINDOWNONMAXIMASUPPRESSIONKERNEL_H */
diff --git a/arm_compute/core/CPP/kernels/CPPSortEuclideanDistanceKernel.h b/arm_compute/core/CPP/kernels/CPPSortEuclideanDistanceKernel.h
deleted file mode 100644
index be4076f5ce..0000000000
--- a/arm_compute/core/CPP/kernels/CPPSortEuclideanDistanceKernel.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2017-2019 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_CPPSORTEUCLIDEANDISTANCEKERNEL_H
-#define ARM_COMPUTE_CPPSORTEUCLIDEANDISTANCEKERNEL_H
-
-#include "arm_compute/core/CPP/ICPPKernel.h"
-#include "arm_compute/core/IArray.h"
-
-#include <cstdint>
-#include <mutex>
-
-namespace arm_compute
-{
-/** CPP kernel to perform sorting and euclidean distance */
-class CPPSortEuclideanDistanceKernel : public ICPPKernel
-{
-public:
-    const char *name() const override
-    {
-        return "CPPSortEuclideanDistanceKernel";
-    }
-    /** Default constructor */
-    CPPSortEuclideanDistanceKernel();
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    CPPSortEuclideanDistanceKernel(const CPPSortEuclideanDistanceKernel &) = delete;
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    CPPSortEuclideanDistanceKernel &operator=(const CPPSortEuclideanDistanceKernel &) = delete;
-    /** Allow instances of this class to be moved */
-    CPPSortEuclideanDistanceKernel(CPPSortEuclideanDistanceKernel &&) = default;
-    /** Allow instances of this class to be moved */
-    CPPSortEuclideanDistanceKernel &operator=(CPPSortEuclideanDistanceKernel &&) = default;
-    /** Initialise the kernel's source, destination and border mode.
-     *
-     * @param[in,out] in_out                Input internal keypoints. Marked as out as the kernel writes 0 in the strength member.
-     * @param[out]    output                Output keypoints.
-     * @param[in]     num_corner_candidates Pointer to the number of corner candidates in the input array
-     * @param[in]     min_distance          Radial Euclidean distance to use
-     */
-    void configure(InternalKeypoint *in_out, IKeyPointArray *output, const int32_t *num_corner_candidates, float min_distance);
-
-    // Inherited methods overridden:
-    void run(const Window &window, const ThreadInfo &info) override;
-    bool is_parallelisable() const override;
-
-private:
-    const int32_t    *_num_corner_candidates; /**< Number of corner candidates */
-    float             _min_distance;          /**< Radial Euclidean distance */
-    InternalKeypoint *_in_out;                /**< Source array of InternalKeypoint */
-    IKeyPointArray   *_output;                /**< Destination array of IKeyPointArray */
-};
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_CPPSORTEUCLIDEANDISTANCEKERNEL_H */