File size: 6,283 Bytes
25ade36 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | /* The Clear BSD License
*
* Copyright (c) 2025 EdgeImpulse Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the disclaimer
* below) provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY
* THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef EI_POSTPROCESSING_H
#define EI_POSTPROCESSING_H
#include "edge-impulse-sdk/classifier/ei_model_types.h"
#if EI_CLASSIFIER_CALIBRATION_ENABLED
#include "edge-impulse-sdk/classifier/postprocessing/ei_performance_calibration.h"
#endif
#if EI_CLASSIFIER_OBJECT_TRACKING_ENABLED
#include "edge-impulse-sdk/classifier/postprocessing/ei_object_tracking.h"
#endif
#if EI_CLASSIFIER_OBJECT_COUNTING_ENABLED
#include "edge-impulse-sdk/classifier/postprocessing/ei_object_tracking.h"
#include "edge-impulse-sdk/classifier/postprocessing/ei_object_counting.h"
#endif
#include "edge-impulse-sdk/classifier/postprocessing/ei_postprocessing_thresholds.h"
extern "C" EI_IMPULSE_ERROR init_postprocessing(ei_impulse_handle_t *handle) {
if (!handle) {
return EI_IMPULSE_OUT_OF_MEMORY;
}
auto impulse = handle->impulse;
handle->post_processing_state = (void **)ei_malloc(impulse->postprocessing_blocks_size * sizeof(void *));
for (size_t i = 0; i < impulse->postprocessing_blocks_size; i++) {
if (impulse->postprocessing_blocks[i].init_fn == nullptr) {
continue;
}
EI_IMPULSE_ERROR res = impulse->postprocessing_blocks[i].init_fn(handle, &handle->post_processing_state[i], impulse->postprocessing_blocks[i].config);
if (res != EI_IMPULSE_OK) {
return res;
}
}
return EI_IMPULSE_OK;
}
extern "C" EI_IMPULSE_ERROR deinit_postprocessing(ei_impulse_handle_t *handle) {
if (!handle) {
return EI_IMPULSE_OUT_OF_MEMORY;
}
auto impulse = handle->impulse;
for (size_t i = 0; i < impulse->postprocessing_blocks_size; i++) {
void* state = NULL;
if (handle->post_processing_state != NULL) {
state = handle->post_processing_state[i];
}
if (impulse->postprocessing_blocks[i].deinit_fn == nullptr) {
continue;
}
EI_IMPULSE_ERROR res = impulse->postprocessing_blocks[i].deinit_fn(state, impulse->postprocessing_blocks[i].config);
if (res != EI_IMPULSE_OK) {
return res;
}
}
ei_free(handle->post_processing_state);
handle->post_processing_state = NULL;
return EI_IMPULSE_OK;
}
extern "C" EI_IMPULSE_ERROR run_postprocessing(ei_impulse_handle_t *handle,
ei_impulse_result_t *result) {
auto start_us = ei_read_timer_us();
if (!handle) {
return EI_IMPULSE_OUT_OF_MEMORY;
}
auto impulse = handle->impulse;
for (size_t ix = 0; ix < impulse->postprocessing_blocks_size; ix++) {
void* state = NULL;
if (handle->post_processing_state != NULL) {
state = handle->post_processing_state[ix];
}
EI_IMPULSE_ERROR res = impulse->postprocessing_blocks[ix].postprocess_fn(handle,
ix,
impulse->postprocessing_blocks[ix].input_block_id,
result,
impulse->postprocessing_blocks[ix].config,
state);
if (res != EI_IMPULSE_OK) {
result->timing.postprocessing_us = ei_read_timer_us() - start_us;
return res;
}
}
// free raw results
for (size_t ix = 0; ix < impulse->output_tensors_size; ix++) {
if (result->_raw_outputs[ix].matrix) {
delete result->_raw_outputs[ix].matrix;
result->_raw_outputs[ix].matrix = nullptr;
}
}
result->timing.postprocessing_us = ei_read_timer_us() - start_us;
return EI_IMPULSE_OK;
}
extern "C" EI_IMPULSE_ERROR display_postprocessing(ei_impulse_handle_t *handle,
ei_impulse_result_t *result) {
if (!handle) {
return EI_IMPULSE_OUT_OF_MEMORY;
}
auto impulse = handle->impulse;
for (size_t i = 0; i < impulse->postprocessing_blocks_size; i++) {
if (impulse->postprocessing_blocks[i].display_fn == nullptr) {
continue;
}
EI_IMPULSE_ERROR res = impulse->postprocessing_blocks[i].display_fn(result, impulse->postprocessing_blocks[i].config);
if (res != EI_IMPULSE_OK) {
return res;
}
}
return EI_IMPULSE_OK;
}
#endif |