fix(rapidocr_paddle): merge PR #293 #294

python/rapidocr_paddle/cal_rec_boxes/main.py

@@ -28,14 +28,16 @@ class CalRecBoxes:
             rec_txt, rec_conf, rec_word_info = rec_res[0], rec_res[1], rec_res[2]
             h, w = img.shape[:2]
             img_box = np.array([[0, 0], [w, 0], [w, h], [0, h]])
-            word_box_content_list, word_box_list = self.cal_ocr_word_box(
+            word_box_content_list, word_box_list, conf_list = self.cal_ocr_word_box(
                 rec_txt, img_box, rec_word_info
             )
             word_box_list = self.adjust_box_overlap(copy.deepcopy(word_box_list))
             word_box_list = self.reverse_rotate_crop_image(
                 copy.deepcopy(box), word_box_list, direction
             )
-            res.append([rec_txt, rec_conf, word_box_list, word_box_content_list])
+            res.append(
+                [rec_txt, rec_conf, word_box_list, word_box_content_list, conf_list]
+            )
         return res
 
     @staticmethod
@@ -60,13 +62,13 @@ class CalRecBoxes:
     @staticmethod
     def cal_ocr_word_box(
         rec_txt: str, box: np.ndarray, rec_word_info: List[Tuple[str, List[int]]]
-    ) -> Tuple[List[str], List[List[int]]]:
+    ) -> Tuple[List[str], List[List[int]], List[float]]:
         """Calculate the detection frame for each word based on the results of recognition and detection of ocr
         汉字坐标是单字的
         英语坐标是单词级别的
         """
 
-        col_num, word_list, word_col_list, state_list = rec_word_info
+        col_num, word_list, word_col_list, state_list, conf_list = rec_word_info
         box = box.tolist()
         bbox_x_start = box[0][0]
         bbox_x_end = box[1][0]
@@ -84,7 +86,7 @@ class CalRecBoxes:
         def cal_char_width(width_list, word_col_):
             if len(word_col_) == 1:
                 return
-            char_total_length = (word_col_[-1] - word_col_[0] + 1) * cell_width
+            char_total_length = (word_col_[-1] - word_col_[0]) * cell_width
             char_width = char_total_length / (len(word_col_) - 1)
             width_list.append(char_width)
 
@@ -124,7 +126,7 @@ class CalRecBoxes:
         cal_box(cn_col_list, cn_width_list, word_box_list)
         cal_box(en_col_list, en_width_list, word_box_list)
         sorted_word_box_list = sorted(word_box_list, key=lambda box: box[0][0])
-        return word_box_content_list, sorted_word_box_list
+        return word_box_content_list, sorted_word_box_list, conf_list
 
     @staticmethod
     def adjust_box_overlap(
@@ -218,6 +220,7 @@ class CalRecBoxes:
     @staticmethod
     def order_points(box: List[List[int]]) -> List[List[int]]:
         """矩形框顺序排列"""
+
         def convert_to_1x2(p):
             if p.shape == (2,):
                 return p.reshape((1, 2))
@@ -225,6 +228,7 @@ class CalRecBoxes:
                 return p
             else:
                 return p[:1, :]
+
         box = np.array(box).reshape((-1, 2))
         center_x, center_y = np.mean(box[:, 0]), np.mean(box[:, 1])
         if np.any(box[:, 0] == center_x) and np.any(
@@ -268,6 +272,7 @@ class CalRecBoxes:
                 p23[np.where(p23[:, 1] == np.min(p23[:, 1]))],
                 p23[np.where(p23[:, 1] == np.max(p23[:, 1]))],
             )
+
         # 解决单字切割后横坐标完全相同的shape错误
         p1 = convert_to_1x2(p1)
         p2 = convert_to_1x2(p2)

python/rapidocr_paddle/ch_ppocr_det/text_detect.py

@@ -26,9 +26,9 @@ from .utils import DBPostProcess, DetPreProcess
 
 class TextDetector:
     def __init__(self, config: Dict[str, Any]):
-        limit_side_len = config.get("limit_side_len", 736)
-        limit_type = config.get("limit_type", "min")
-        self.preprocess_op = DetPreProcess(limit_side_len, limit_type)
+        self.limit_type = config.get("limit_type", "min")
+        self.limit_side_len = config.get("limit_side_len", 736)
+        self.preprocess_op = None
 
         post_process = {
             "thresh": config.get("thresh", 0.3),
@@ -49,6 +49,7 @@ class TextDetector:
             raise ValueError("img is None")
 
         ori_img_shape = img.shape[0], img.shape[1]
+        self.preprocess_op = self.get_preprocess(max(img.shape[0], img.shape[1]))
         prepro_img = self.preprocess_op(img)
         if prepro_img is None:
             return None, 0
@@ -59,6 +60,17 @@ class TextDetector:
         elapse = time.perf_counter() - start_time
         return dt_boxes, elapse
 
+    def get_preprocess(self, max_wh):
+        if self.limit_type == "min":
+            limit_side_len = self.limit_side_len
+        elif max_wh < 960:
+            limit_side_len = 960
+        elif max_wh < 1500:
+            limit_side_len = 1500
+        else:
+            limit_side_len = 2000
+        return DetPreProcess(limit_side_len, self.limit_type)
+
     def filter_tag_det_res(
         self, dt_boxes: np.ndarray, image_shape: Tuple[int, int]
     ) -> np.ndarray:

python/rapidocr_paddle/ch_ppocr_rec/utils.py

@@ -92,7 +92,7 @@ class CTCLabelDecode:
                 selection &= text_index[batch_idx] != ignored_token
 
             if text_prob is not None:
-                conf_list = text_prob[batch_idx][selection]
+                conf_list = np.array(text_prob[batch_idx][selection]).tolist()
             else:
                 conf_list = [1] * len(selection)
 
@@ -116,6 +116,7 @@ class CTCLabelDecode:
                             word_list,
                             word_col_list,
                             state_list,
+                            conf_list,
                         ],
                     )
                 )
@@ -147,7 +148,13 @@ class CTCLabelDecode:
         word_list = []
         word_col_list = []
         state_list = []
-        valid_col = np.where(selection == True)[0]
+        valid_col = np.where(selection)[0]
+        col_width = np.zeros(valid_col.shape)
+        if len(valid_col) > 0:
+            col_width[1:] = valid_col[1:] - valid_col[:-1]
+            col_width[0] = min(
+                3 if "\u4e00" <= text[0] <= "\u9fff" else 2, int(valid_col[0])
+            )
 
         for c_i, char in enumerate(text):
             if "\u4e00" <= char <= "\u9fff":
@@ -155,10 +162,10 @@ class CTCLabelDecode:
             else:
                 c_state = "en&num"
 
-            if state == None:
+            if state is None:
                 state = c_state
 
-            if state != c_state:
+            if state != c_state or col_width[c_i] > 4:
                 if len(word_content) != 0:
                     word_list.append(word_content)
                     word_col_list.append(word_col_content)

python/rapidocr_paddle/main.py

@@ -330,10 +330,7 @@ def main():
     use_cls = not args.no_cls
     use_rec = not args.no_rec
     result, elapse_list = ocr_engine(
-        args.img_path,
-        use_det=use_det,
-        use_cls=use_cls,
-        use_rec=use_rec,
+        args.img_path, use_det=use_det, use_cls=use_cls, use_rec=use_rec, **vars(args)
     )
     logger.info(result)