fix infer_rec for attention

configs/rec/rec_chinese_lite_train.yml

 Global:
   algorithm: CRNN
-  use_gpu: true
+  use_gpu: false
   epoch_num: 3000
   log_smooth_window: 20
   print_batch_step: 10
@@ -8,6 +8,7 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 320]
   max_text_length: 25
@@ -15,7 +16,7 @@ Global:
   character_dict_path: ./ppocr/utils/ppocr_keys_v1.txt
   loss_type: ctc
   reader_yml: ./configs/rec/rec_chinese_reader.yml
-  pretrain_weights: 
+  pretrain_weights: output/rec_CRNN/rec_mv3_crnn/best_accuracy
   checkpoints:
   save_inference_dir:
   infer_img:

configs/rec/rec_icdar15_train.yml

@@ -8,13 +8,14 @@ Global:
   save_epoch_step: 300
   eval_batch_step: 500
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25
   character_type: en
   loss_type: ctc
   reader_yml: ./configs/rec/rec_icdar15_reader.yml
-  pretrain_weights: ./pretrain_models/rec_mv3_none_bilstm_ctc/best_accuracy 
+  pretrain_weights:
   checkpoints:
   save_inference_dir:
   infer_img:

configs/rec/rec_mv3_none_bilstm_ctc.yml

 Global:
   algorithm: CRNN
-  use_gpu: true
+  use_gpu: false
   epoch_num: 72
   log_smooth_window: 20
   print_batch_step: 10
@@ -8,13 +8,14 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25
   character_type: en
   loss_type: ctc
   reader_yml: ./configs/rec/rec_benchmark_reader.yml
-  pretrain_weights: ./output/rec_CRNN/rec_mv3_none_bilstm_ctc/best_accuracy
+  pretrain_weights:
   checkpoints:
   save_inference_dir:
   infer_img:

configs/rec/rec_mv3_none_none_ctc.yml

@@ -8,6 +8,7 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25

configs/rec/rec_mv3_tps_bilstm_attn.yml

 Global:
   algorithm: RARE
-  use_gpu: true
+  use_gpu: false
   epoch_num: 72
   log_smooth_window: 20
   print_batch_step: 10
@@ -8,6 +8,7 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25

configs/rec/rec_mv3_tps_bilstm_ctc.yml

@@ -8,6 +8,7 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25

configs/rec/rec_r34_vd_none_bilstm_ctc.yml

@@ -8,6 +8,7 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25

configs/rec/rec_r34_vd_none_none_ctc.yml

@@ -8,6 +8,7 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25

configs/rec/rec_r34_vd_tps_bilstm_attn.yml

@@ -8,6 +8,7 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25

configs/rec/rec_r34_vd_tps_bilstm_ctc.yml

@@ -8,6 +8,7 @@ Global:
   save_epoch_step: 3
   eval_batch_step: 2000
   train_batch_size_per_card: 256
+  drop_last: true
   test_batch_size_per_card: 256
   image_shape: [3, 32, 100]
   max_text_length: 25

ppocr/data/det/db_process.py

@@ -17,6 +17,8 @@ import cv2
 import numpy as np
 import json
 import sys
+from ppocr.utils.utility import initial_logger
+logger = initial_logger()
 
 from .data_augment import AugmentData
 from .random_crop_data import RandomCropData
@@ -100,6 +102,7 @@ class DBProcessTrain(object):
         img_path, gt_label = self.convert_label_infor(label_infor)
         imgvalue = cv2.imread(img_path)
         if imgvalue is None:
+            logger.info("{} does not exist!".format(img_path))
             return None
         data = self.make_data_dict(imgvalue, gt_label)
         data = AugmentData(data)

ppocr/data/rec/dataset_traversal.py

@@ -43,6 +43,7 @@ class LMDBReader(object):
         self.mode = params['mode']
         if params['mode'] == 'train':
             self.batch_size = params['train_batch_size_per_card']
+            self.drop_last = params['drop_last']
         else:
             self.batch_size = params['test_batch_size_per_card']
         self.infer_img = params['infer_img']
@@ -99,7 +100,7 @@ class LMDBReader(object):
             process_id = 0
 
         def sample_iter_reader():
-            if self.infer_img is not None:
+            if self.mode != 'train' and self.infer_img is not None:
                 image_file_list = get_image_file_list(self.infer_img)
                 for single_img in image_file_list:
                     img = cv2.imread(single_img)
@@ -146,10 +147,11 @@ class LMDBReader(object):
                 if len(batch_outs) == self.batch_size:
                     yield batch_outs
                     batch_outs = []
+            if not self.drop_last:
                 if len(batch_outs) != 0:
                     yield batch_outs
 
-        if self.infer_img is None:
+        if self.mode != 'train' and self.infer_img is None:
             return batch_iter_reader
         return sample_iter_reader
 
@@ -171,6 +173,7 @@ class SimpleReader(object):
         self.infer_img = params['infer_img']
         if params['mode'] == 'train':
             self.batch_size = params['train_batch_size_per_card']
+            self.drop_last = params['drop_last']
         else:
             self.batch_size = params['test_batch_size_per_card']
 
@@ -226,6 +229,7 @@ class SimpleReader(object):
                 if len(batch_outs) == self.batch_size:
                     yield batch_outs
                     batch_outs = []
+            if not self.drop_last:
                 if len(batch_outs) != 0:
                     yield batch_outs
 

ppocr/data/rec/img_tools.py

@@ -51,7 +51,7 @@ def resize_norm_img(img, image_shape):
 def resize_norm_img_chinese(img, image_shape):
     imgC, imgH, imgW = image_shape
     # todo: change to 0 and modified image shape
-    max_wh_ratio = 10
+    max_wh_ratio = 0
     h, w = img.shape[0], img.shape[1]
     ratio = w * 1.0 / h
     max_wh_ratio = max(max_wh_ratio, ratio)

ppocr/modeling/architectures/rec_model.py

@@ -110,7 +110,11 @@ class RecModel(object):
             return loader, outputs
         elif mode == "export":
             predict = predicts['predict']
+            if self.loss_type == "ctc":
                 predict = fluid.layers.softmax(predict)
             return [image, {'decoded_out': decoded_out, 'predicts': predict}]
         else:
-            return loader, {'decoded_out': decoded_out}
+            predict = predicts['predict']
+            if self.loss_type == "ctc":
+                predict = fluid.layers.softmax(predict)
+            return loader, {'decoded_out': decoded_out, 'predicts': predict}

ppocr/modeling/heads/rec_attention_head.py

@@ -123,6 +123,8 @@ class AttentionPredict(object):
 
         full_ids = fluid.layers.fill_constant_batch_size_like(
             input=init_state, shape=[-1, 1], dtype='int64', value=1)
+        full_scores = fluid.layers.fill_constant_batch_size_like(
+            input=init_state, shape=[-1, 1], dtype='float32', value=1)
 
         cond = layers.less_than(x=counter, y=array_len)
         while_op = layers.While(cond=cond)
@@ -171,6 +173,9 @@ class AttentionPredict(object):
             new_ids = fluid.layers.concat([full_ids, topk_indices], axis=1)
             fluid.layers.assign(new_ids, full_ids)
 
+            new_scores = fluid.layers.concat([full_scores, topk_scores], axis=1)
+            fluid.layers.assign(new_scores, full_scores)
+            
             layers.increment(x=counter, value=1, in_place=True)
 
             # update the memories
@@ -184,7 +189,7 @@ class AttentionPredict(object):
             length_cond = layers.less_than(x=counter, y=array_len)
             finish_cond = layers.logical_not(layers.is_empty(x=topk_indices))
             layers.logical_and(x=length_cond, y=finish_cond, out=cond)
-        return full_ids
+        return full_ids, full_scores
 
     def __call__(self, inputs, labels=None, mode=None):
         encoder_features = self.encoder(inputs)
@@ -223,10 +228,10 @@ class AttentionPredict(object):
                 decoder_size, char_num)
             _, decoded_out = layers.topk(input=predict, k=1)
             decoded_out = layers.lod_reset(decoded_out, y=label_out)
-            predicts = {'predict': predict, 'decoded_out': decoded_out}
+            predicts = {'predict':predict, 'decoded_out':decoded_out}
         else:
-            ids = self.gru_attention_infer(
+            ids, predict = self.gru_attention_infer(
                 decoder_boot, self.max_length, char_num, word_vector_dim,
                 encoded_vector, encoded_proj, decoder_size)
-            predicts = {'decoded_out': ids}
+            predicts = {'predict':predict, 'decoded_out':ids}
         return predicts

tools/infer/predict_rec.py

@@ -80,13 +80,14 @@ class TextRecognizer(object):
             starttime = time.time()
             self.input_tensor.copy_from_cpu(norm_img_batch)
             self.predictor.zero_copy_run()
+
+            if args.rec_algorithm != "RARE":
                 rec_idx_batch = self.output_tensors[0].copy_to_cpu()
                 rec_idx_lod = self.output_tensors[0].lod()[0]
                 predict_batch = self.output_tensors[1].copy_to_cpu()
                 predict_lod = self.output_tensors[1].lod()[0]
                 elapse = time.time() - starttime
                 predict_time += elapse
-            starttime = time.time()
                 for rno in range(len(rec_idx_lod) - 1):
                     beg = rec_idx_lod[rno]
                     end = rec_idx_lod[rno + 1]
@@ -100,6 +101,22 @@ class TextRecognizer(object):
                     valid_ind = np.where(ind != (blank - 1))[0]
                     score = np.mean(probs[valid_ind, ind[valid_ind]])
                     rec_res.append([preds_text, score])
+            else:
+                rec_idx_batch = self.output_tensors[0].copy_to_cpu()
+                predict_batch = self.output_tensors[1].copy_to_cpu()
+                for rno in range(len(rec_idx_batch)):
+                    end_pos = np.where(rec_idx_batch[rno, :] == 1)[0]
+                    if len(end_pos) <= 1:
+                        preds = rec_idx_batch[rno, 1:]
+                        score = np.mean(predict_batch[rno, 1:])
+                    else:
+                        preds = rec_idx_batch[rno, 1:end_pos[1]]
+                        score = np.mean(predict_batch[rno, 1:end_pos[1]])
+                    #todo: why index has 2 offset
+                    preds = preds - 2
+                    preds_text = self.char_ops.decode(preds)
+                    rec_res.append([preds_text, score])
+
         return rec_res, predict_time
 
 
@@ -116,7 +133,13 @@ if __name__ == "__main__":
             continue
         valid_image_file_list.append(image_file)
         img_list.append(img)
+    try:
         rec_res, predict_time = text_recognizer(img_list)
+    except:
+        logger.info(
+            "ERROR!! \nInput image shape is not equal with config. TPS does not support variable shape.\n"
+            "Please set --rec_image_shape=input_shape and --rec_char_type='ch' ")
+        exit()
     for ino in range(len(img_list)):
         print("Predicts of %s:%s" % (valid_image_file_list[ino], rec_res[ino]))
     print("Total predict time for %d images:%.3f" %

tools/infer_rec.py

@@ -55,6 +55,7 @@ def main():
     program.merge_config(FLAGS.opt)
     logger.info(config)
     char_ops = CharacterOps(config['Global'])
+    loss_type = config['Global']['loss_type']
     config['Global']['char_ops'] = char_ops
 
     # check if set use_gpu=True in paddlepaddle cpu version
@@ -85,29 +86,38 @@ def main():
     if len(infer_list) == 0:
         logger.info("Can not find img in infer_img dir.")
     for i in range(max_img_num):
-        print("infer_img:", infer_list[i])
+        print("infer_img:%s" % infer_list[i])
         img = next(blobs)
         predict = exe.run(program=eval_prog,
                           feed={"image": img},
                           fetch_list=fetch_varname_list,
                           return_numpy=False)
-
+        if loss_type == "ctc":
             preds = np.array(predict[0])
-        if preds.shape[1] == 1:
             preds = preds.reshape(-1)
             preds_lod = predict[0].lod()[0]
             preds_text = char_ops.decode(preds)
-        else:
+            probs = np.array(predict[1])
+            ind = np.argmax(probs, axis=1)
+            blank = probs.shape[1]
+            valid_ind = np.where(ind != (blank - 1))[0]
+            score = np.mean(probs[valid_ind, ind[valid_ind]])
+        elif loss_type == "attention":
+            preds = np.array(predict[0])
+            probs = np.array(predict[1])
             end_pos = np.where(preds[0, :] == 1)[0]
             if len(end_pos) <= 1:
-                preds_text = preds[0, 1:]
+                preds = preds[0, 1:]
+                score = np.mean(probs[0, 1:])
             else:
-                preds_text = preds[0, 1:end_pos[1]]
-            preds_text = preds_text.reshape(-1)
-            preds_text = char_ops.decode(preds_text)
+                preds = preds[0, 1:end_pos[1]]
+                score = np.mean(probs[0, 1:end_pos[1]])
+            preds = preds.reshape(-1)
+            preds_text = char_ops.decode(preds)
 
         print("\t index:", preds)
         print("\t word :", preds_text)
+        print("\t score :", score)
 
     # save for inference model
     target_var = []