1 /* 2 * Copyright (c) 2016-2020 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_NEHOGDETECTOR_H 25 #define ARM_COMPUTE_NEHOGDETECTOR_H 26 27 #include "arm_compute/core/IArray.h" 28 #include "arm_compute/core/IHOG.h" 29 #include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.h" 30 31 namespace arm_compute 32 { 33 class ITensor; 34 class ITensorInfo; 35 /** Basic function to execute HOG detector based on linear SVM. This function calls the following NEON kernel: 36 * 37 * -# @ref NEHOGDetectorKernel 38 * 39 * @deprecated This function is deprecated and is intended to be removed in 21.05 release 40 * 41 */ 42 class NEHOGDetector : public INESimpleFunctionNoBorder 43 { 44 public: 45 /** Constructor */ 46 NEHOGDetector() = default; 47 /** Prevent instances of this class from being copied */ 48 NEHOGDetector(const NEHOGDetector &) = delete; 49 /** Default move constructor */ 50 NEHOGDetector(NEHOGDetector &&) = default; 51 /** Prevent instances of this class from being copied */ 52 NEHOGDetector &operator=(const NEHOGDetector &) = delete; 53 /** Default move assignment operator */ 54 NEHOGDetector &operator=(NEHOGDetector &&) = default; 55 /** Destructor */ 56 ~NEHOGDetector(); 57 /** Initialise the kernel's input, output, HOG data object, detection window stride, threshold and index class 58 * 59 * @attention The function does not reset the number of values in @ref IDetectionWindowArray so it is caller's responsibility to clear it. 60 * 61 * @param[in] input Input tensor. It is the output of @ref NEHOGDescriptor. Data type supported: F32 62 * @param[in] hog HOG data-object that describes the HOG descriptor 63 * @param[out] detection_windows Array of @ref DetectionWindow used to store the detected objects 64 * @param[in] detection_window_stride Distance in pixels between 2 consecutive detection windows in x and y directions. 65 * It must be multiple of the block stride stored in hog 66 * @param[in] threshold (Optional) Threshold for the distance between features and SVM classifying plane 67 * @param[in] idx_class (Optional) Index of the class used for evaluating which class the detection window belongs to 68 */ 69 void configure(const ITensor *input, const IHOG *hog, IDetectionWindowArray *detection_windows, const Size2D &detection_window_stride, float threshold = 0.0f, size_t idx_class = 0); 70 }; 71 } // namespace arm_compute 72 73 #endif /* ARM_COMPUTE_NEHOGDETECTOR_H */ 74