fa61b3bffe
* Update IDF to e931fe9 and add esp-face * Fix PIO builds fail because of sketch size * Fix example build failing for Arduino
100 lines
3.6 KiB
C
100 lines
3.6 KiB
C
/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2018 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
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*
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* Permission is hereby granted for use on ESPRESSIF SYSTEMS products only, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "dl_lib.h"
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typedef enum
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{
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PNET = 0, /// P-Net
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RNET = 1, /// R-Net
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ONET = 2, /// O-Net
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} net_type_en;
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typedef struct
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{
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float score; /// score threshold for filter candidates by score
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float nms; /// nms threshold for nms process
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int candidate_number; /// candidate number limitation for each net
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} threshold_config_t;
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typedef struct
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{
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net_type_en net_type; /// net type
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char *file_name; /// net name
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int w; /// net width
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int h; /// net height
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threshold_config_t threshold; /// threshold of net
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} net_config_t;
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typedef struct
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{
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float min_face; /// the minimum size of face can be detected
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float pyramid; /// the pyramid scale
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threshold_config_t p_threshold; /// score, nms and candidate threshold of pnet
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threshold_config_t r_threshold; /// score, nms and candidate threshold of rnet
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threshold_config_t o_threshold; /// score, nms and candidate threshold of onet
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} mtmn_config_t;
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typedef struct
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{
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dl_matrix3d_t *category;
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dl_matrix3d_t *offset;
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dl_matrix3d_t *landmark;
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} mtmn_net_t;
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/**
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* @brief Forward the pnet process, coarse detection
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*
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* @param in Image matrix, rgb888 format, size is 320x240
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* @return Scores for every pixel, and box offset with respect.
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*/
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mtmn_net_t *pnet(dl_matrix3du_t *in);
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/**
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* @brief Forward the rnet process, fine determine the boxes from pnet
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*
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* @param in Image matrix, rgb888 format
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* @param threshold Score threshold to detect human face
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* @return Scores for every box, and box offset with respect.
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*/
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mtmn_net_t *rnet_with_score_verify(dl_matrix3du_t *in, float threshold);
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/**
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* @brief Forward the onet process, fine determine the boxes from rnet
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*
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* @param in Image matrix, rgb888 format
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* @param threshold Score threshold to detect human face
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* @return Scores for every box, box offset, and landmark with respect.
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*/
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mtmn_net_t *onet_with_score_verify(dl_matrix3du_t *in, float threshold);
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#ifdef __cplusplus
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}
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#endif
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