Spaces:
Runtime error
Runtime error
# Copyright (c) OpenMMLab. All rights reserved. | |
from mmocr.models.builder import (DETECTORS, build_convertor, build_decoder, | |
build_encoder, build_loss) | |
from mmocr.models.textrecog.recognizer.base import BaseRecognizer | |
class NerClassifier(BaseRecognizer): | |
"""Base class for NER classifier.""" | |
def __init__(self, | |
encoder, | |
decoder, | |
loss, | |
label_convertor, | |
train_cfg=None, | |
test_cfg=None, | |
init_cfg=None): | |
super().__init__(init_cfg=init_cfg) | |
self.label_convertor = build_convertor(label_convertor) | |
self.encoder = build_encoder(encoder) | |
decoder.update(num_labels=self.label_convertor.num_labels) | |
self.decoder = build_decoder(decoder) | |
loss.update(num_labels=self.label_convertor.num_labels) | |
self.loss = build_loss(loss) | |
def extract_feat(self, imgs): | |
"""Extract features from images.""" | |
raise NotImplementedError( | |
'Extract feature module is not implemented yet.') | |
def forward_train(self, imgs, img_metas, **kwargs): | |
encode_out = self.encoder(img_metas) | |
logits, _ = self.decoder(encode_out) | |
loss = self.loss(logits, img_metas) | |
return loss | |
def forward_test(self, imgs, img_metas, **kwargs): | |
encode_out = self.encoder(img_metas) | |
_, preds = self.decoder(encode_out) | |
pred_entities = self.label_convertor.convert_pred2entities( | |
preds, img_metas['attention_masks']) | |
return pred_entities | |
def aug_test(self, imgs, img_metas, **kwargs): | |
raise NotImplementedError('Augmentation test is not implemented yet.') | |
def simple_test(self, img, img_metas, **kwargs): | |
raise NotImplementedError('Simple test is not implemented yet.') | |