Use one load/save function for all descriptors.

This commit is contained in:
iabdalkader 2016-02-28 01:38:24 +02:00
parent a1d606a99a
commit 67acf7188c
3 changed files with 99 additions and 79 deletions

@ -1 +1 @@
Subproject commit b9af94fbe16fc99ec57e9b63bbd229da92c89011
Subproject commit 725401182220a6d87d6b7105350dd9244a055fa6

View File

@ -313,6 +313,12 @@ typedef struct img_read_settings {
typedef void (*line_op_t)(image_t*, int, uint8_t*);
typedef enum descriptor_type {
DESC_HAAR,
DESC_FREAK,
DESC_LBP,
} descriptor_t;
/* Image file functions */
void ppm_read_geometry(FIL *fp, image_t *img, const char *path, ppm_read_settings_t *rs);
void ppm_read_pixels(FIL *fp, image_t *img, int line_start, int line_end, ppm_read_settings_t *rs);

View File

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