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Use one load/save function for all descriptors.
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parent
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commit
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@ -1 +1 @@
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Subproject commit b9af94fbe16fc99ec57e9b63bbd229da92c89011
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Subproject commit 725401182220a6d87d6b7105350dd9244a055fa6
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@ -313,6 +313,12 @@ typedef struct img_read_settings {
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typedef void (*line_op_t)(image_t*, int, uint8_t*);
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typedef enum descriptor_type {
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DESC_HAAR,
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DESC_FREAK,
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DESC_LBP,
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} descriptor_t;
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/* Image file functions */
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void ppm_read_geometry(FIL *fp, image_t *img, const char *path, ppm_read_settings_t *rs);
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void ppm_read_pixels(FIL *fp, image_t *img, int line_start, int line_end, ppm_read_settings_t *rs);
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@ -1292,7 +1292,7 @@ int py_image_descriptor_from_roi(image_t *image, const char *path, rectangle_t *
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}
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// image module
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// The image module (it's different from the Image class!)
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mp_obj_t py_image_load_image(mp_obj_t path_obj)
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{
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mp_obj_t image_obj =NULL;
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@ -1308,104 +1308,118 @@ mp_obj_t py_image_load_image(mp_obj_t path_obj)
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return image_obj;
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}
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mp_obj_t py_image_load_cascade(uint n_args, const mp_obj_t *args, mp_map_t *kw_args)
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mp_obj_t py_image_load_descriptor(uint n_args, const mp_obj_t *args, mp_map_t *kw_args)
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{
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cascade_t cascade;
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const char *path = mp_obj_str_get_str(args[0]);
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int res = FR_OK;
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mp_obj_t desc = mp_const_none;
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descriptor_t desc_type = mp_obj_get_int(args[0]);
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const char *path = mp_obj_str_get_str(args[1]);
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switch (desc_type) {
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case DESC_HAAR: {
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cascade_t cascade;
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// Load cascade from file or flash
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res = imlib_load_cascade(&cascade, path);
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if (res != FR_OK) {
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break;
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}
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// Read the number of stages
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int stages = py_helper_lookup_int(kw_args, MP_OBJ_NEW_QSTR(qstr_from_str("stages")), cascade.n_stages);
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// Check the number of stages
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if (stages > 0 && stages < cascade.n_stages) {
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cascade.n_stages = stages;
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}
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// Return micropython cascade object
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py_cascade_obj_t *o = m_new_obj(py_cascade_obj_t);
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o->base.type = &py_cascade_type;
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o->_cobj = cascade;
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desc = o;
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break;
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}
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case DESC_FREAK: {
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array_t *kpts = NULL;
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array_alloc(&kpts, xfree);
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res = freak_load_descriptor(kpts, path);
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if (res != FR_OK) {
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break;
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}
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// Return keypoints MP object
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py_kp_obj_t *kp_obj = m_new_obj(py_kp_obj_t);
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kp_obj->base.type = &py_kp_type;
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kp_obj->kpts = kpts;
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kp_obj->threshold = 10;
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kp_obj->normalized = false;
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desc = kp_obj;
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break;
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}
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case DESC_LBP: {
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py_lbp_obj_t *lbp = m_new_obj(py_lbp_obj_t);
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lbp->base.type = &py_lbp_type;
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res = imlib_lbp_desc_load(path, &lbp->hist);
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if (res != FR_OK) {
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break;
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}
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desc = lbp;
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break;
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}
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default:
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "Descriptor type is not supported"));
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}
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// Load cascade from file or flash
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int res = imlib_load_cascade(&cascade, path);
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if (res != FR_OK) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, ffs_strerror(res)));
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}
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// Read the number of stages
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int stages = py_helper_lookup_int(kw_args, MP_OBJ_NEW_QSTR(qstr_from_str("stages")), cascade.n_stages);
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// Check the number of stages
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if (stages > 0 && stages < cascade.n_stages) {
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cascade.n_stages = stages;
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}
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// Return micropython cascade object
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py_cascade_obj_t *o = m_new_obj(py_cascade_obj_t);
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o->base.type = &py_cascade_type;
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o->_cobj = cascade;
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return o;
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return desc;
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}
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mp_obj_t py_image_load_descriptor(mp_obj_t path_obj)
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mp_obj_t py_image_save_descriptor(uint n_args, const mp_obj_t *args, mp_map_t *kw_args)
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{
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array_t *kpts;
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array_alloc(&kpts, xfree);
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int res = FR_OK;
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descriptor_t desc_type = mp_obj_get_int(args[0]);
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const char *path = mp_obj_str_get_str(args[1]);
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py_kp_obj_t *kp_obj =NULL;
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const char *path = mp_obj_str_get_str(path_obj);
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int res = freak_load_descriptor(kpts, path);
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if (res != FR_OK) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, ffs_strerror(res)));
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switch (desc_type) {
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case DESC_FREAK: {
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py_kp_obj_t *kpts = ((py_kp_obj_t*)args[2]);
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res = freak_save_descriptor(kpts->kpts, path);
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break;
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}
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case DESC_LBP: {
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py_lbp_obj_t *lbp = ((py_lbp_obj_t*)args[2]);
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res = imlib_lbp_desc_save(path, lbp->hist);
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break;
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}
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case DESC_HAAR: // Can't save Haar
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default:
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "Descriptor type is not supported"));
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}
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// Return keypoints MP object
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kp_obj = m_new_obj(py_kp_obj_t);
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kp_obj->base.type = &py_kp_type;
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kp_obj->kpts = kpts;
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kp_obj->threshold = 10;
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kp_obj->normalized = false;
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return kp_obj;
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}
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mp_obj_t py_image_save_descriptor(mp_obj_t path_obj, mp_obj_t kpts_obj)
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{
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py_kp_obj_t *kpts = ((py_kp_obj_t*)kpts_obj);
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const char *path = mp_obj_str_get_str(path_obj);
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int res = freak_save_descriptor(kpts->kpts, path);
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if (res != FR_OK) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, ffs_strerror(res)));
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}
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return mp_const_true;
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}
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mp_obj_t py_image_load_lbp(mp_obj_t path_obj)
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{
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py_lbp_obj_t *lbp = m_new_obj(py_lbp_obj_t);
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lbp->base.type = &py_lbp_type;
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int res = imlib_lbp_desc_load(mp_obj_str_get_str(path_obj), &lbp->hist);
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if (res != FR_OK) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, ffs_strerror(res)));
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}
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return lbp;
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}
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mp_obj_t py_image_save_lbp(mp_obj_t path_obj, mp_obj_t lbp_obj)
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{
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py_lbp_obj_t *lbp = ((py_lbp_obj_t*)lbp_obj);
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const char *path = mp_obj_str_get_str(path_obj);
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int res = imlib_lbp_desc_save(path, lbp->hist);
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if (res != FR_OK) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, ffs_strerror(res)));
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}
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return lbp;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(py_image_load_image_obj, py_image_load_image);
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(py_image_load_cascade_obj, 1, py_image_load_cascade);
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(py_image_load_descriptor_obj, py_image_load_descriptor);
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(py_image_save_descriptor_obj, py_image_save_descriptor);
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(py_image_load_lbp_obj, py_image_load_lbp);
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(py_image_save_lbp_obj, py_image_save_lbp);
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(py_image_load_descriptor_obj, 2, py_image_load_descriptor);
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(py_image_save_descriptor_obj, 3, py_image_save_descriptor);
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static const mp_map_elem_t globals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_image) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_image) },
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// Descriptor types
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{ MP_OBJ_NEW_QSTR(MP_QSTR_HAAR), MP_OBJ_NEW_SMALL_INT(DESC_HAAR)},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_FREAK), MP_OBJ_NEW_SMALL_INT(DESC_FREAK)},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_LBP), MP_OBJ_NEW_SMALL_INT(DESC_LBP)},
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// Image module functions
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{ MP_OBJ_NEW_QSTR(MP_QSTR_Image), (mp_obj_t)&py_image_load_image_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_HaarCascade), (mp_obj_t)&py_image_load_cascade_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_FreakDesc), (mp_obj_t)&py_image_load_descriptor_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_FreakDescSave), (mp_obj_t)&py_image_save_descriptor_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_LBPDesc), (mp_obj_t)&py_image_load_lbp_obj},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_LBPDescSave), (mp_obj_t)&py_image_save_lbp_obj},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_load_descriptor), (mp_obj_t)&py_image_load_descriptor_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_save_descriptor), (mp_obj_t)&py_image_save_descriptor_obj },
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};
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STATIC MP_DEFINE_CONST_DICT(globals_dict, globals_dict_table);
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