Merge pull request #6126 from whjdark/new

add table recognition

PPOCRLabel/PPOCRLabel.py

@@ -21,12 +21,13 @@ import os.path
 import platform
 import subprocess
 import sys
+import xlrd
 from functools import partial
 
 from PyQt5.QtCore import QSize, Qt, QPoint, QByteArray, QTimer, QFileInfo, QPointF, QProcess
 from PyQt5.QtGui import QImage, QCursor, QPixmap, QImageReader
 from PyQt5.QtWidgets import QMainWindow, QListWidget, QVBoxLayout, QToolButton, QHBoxLayout, QDockWidget, QWidget, \
-    QSlider, QGraphicsOpacityEffect, QMessageBox, QListView, QScrollArea, QWidgetAction, QApplication, QLabel, \
+    QSlider, QGraphicsOpacityEffect, QMessageBox, QListView, QScrollArea, QWidgetAction, QApplication, QLabel, QGridLayout, \
     QFileDialog, QListWidgetItem, QComboBox, QDialog
 
 __dir__ = os.path.dirname(os.path.abspath(__file__))
@@ -36,7 +37,7 @@ sys.path.append(os.path.abspath(os.path.join(__dir__, '../..')))
 sys.path.append(os.path.abspath(os.path.join(__dir__, '../PaddleOCR')))
 sys.path.append("..")
 
-from paddleocr import PaddleOCR
+from paddleocr import PaddleOCR, PPStructure
 from libs.constants import *
 from libs.utils import *
 from libs.labelColor import label_colormap
@@ -100,9 +101,15 @@ class MainWindow(QMainWindow):
                              use_gpu=gpu,
                              lang=lang,
                              show_log=False)
+        self.table_ocr = PPStructure(use_pdserving=False,
+                                     use_gpu=gpu,
+                                     lang=lang,
+                                     layout=False,
+                                     show_log=False)
 
         if os.path.exists('./data/paddle.png'):
             result = self.ocr.ocr('./data/paddle.png', cls=True, det=True)
+            result = self.table_ocr('./data/paddle.png', return_ocr_result_in_table=True)
 
         # For loading all image under a directory
         self.mImgList = []
@@ -196,16 +203,25 @@ class MainWindow(QMainWindow):
         self.reRecogButton.setIcon(newIcon('reRec', 30))
         self.reRecogButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
 
+        self.tableRecButton = QToolButton()
+        self.tableRecButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
+
         self.newButton = QToolButton()
         self.newButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
+        self.createpolyButton = QToolButton()
+        self.createpolyButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
+
         self.SaveButton = QToolButton()
         self.SaveButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
         self.DelButton = QToolButton()
         self.DelButton.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
 
-        leftTopToolBox = QHBoxLayout()
-        leftTopToolBox.addWidget(self.newButton)
-        leftTopToolBox.addWidget(self.reRecogButton)
+        leftTopToolBox = QGridLayout()
+        leftTopToolBox.addWidget(self.newButton, 0, 0, 1, 1)
+        leftTopToolBox.addWidget(self.createpolyButton, 0, 1, 1, 1)
+        leftTopToolBox.addWidget(self.reRecogButton, 1, 0, 1, 1)
+        leftTopToolBox.addWidget(self.tableRecButton, 1, 1, 1, 1)
+
         leftTopToolBoxContainer = QWidget()
         leftTopToolBoxContainer.setLayout(leftTopToolBox)
         listLayout.addWidget(leftTopToolBoxContainer)
@@ -446,7 +462,13 @@ class MainWindow(QMainWindow):
                             'Ctrl+R', 'reRec', getStr('singleRe'), enabled=False)
 
         createpoly = action(getStr('creatPolygon'), self.createPolygon,
-                            'q', 'new', getStr('creatPolygon'), enabled=True)
+                            'q', 'new', getStr('creatPolygon'), enabled=False)
+        
+        tableRec = action(getStr('TableRecognition'), self.TableRecognition,
+                        '', 'Auto', getStr('TableRecognition'), enabled=False)
+
+        cellreRec = action(getStr('cellreRecognition'), self.cellreRecognition,
+                        '', 'reRec', getStr('cellreRecognition'), enabled=False)
 
         saveRec = action(getStr('saveRec'), self.saveRecResult,
                          '', 'save', getStr('saveRec'), enabled=False)
@@ -454,6 +476,9 @@ class MainWindow(QMainWindow):
         saveLabel = action(getStr('saveLabel'), self.saveLabelFile,  #
                            'Ctrl+S', 'save', getStr('saveLabel'), enabled=False)
         
+        exportJSON = action(getStr('exportJSON'), self.exportJSON,
+                            '', 'save', getStr('exportJSON'), enabled=False)
+
         undoLastPoint = action(getStr("undoLastPoint"), self.canvas.undoLastPoint,
                                'Ctrl+Z', "undo", getStr("undoLastPoint"), enabled=False)
 
@@ -474,10 +499,12 @@ class MainWindow(QMainWindow):
 
         self.editButton.setDefaultAction(edit)
         self.newButton.setDefaultAction(create)
+        self.createpolyButton.setDefaultAction(createpoly)
         self.DelButton.setDefaultAction(deleteImg)
         self.SaveButton.setDefaultAction(save)
         self.AutoRecognition.setDefaultAction(AutoRec)
         self.reRecogButton.setDefaultAction(reRec)
+        self.tableRecButton.setDefaultAction(tableRec)
         # self.preButton.setDefaultAction(openPrevImg)
         # self.nextButton.setDefaultAction(openNextImg)
 
@@ -523,25 +550,25 @@ class MainWindow(QMainWindow):
 
         # Store actions for further handling.
         self.actions = struct(save=save, resetAll=resetAll, deleteImg=deleteImg,
-                              lineColor=color1, create=create, delete=delete, edit=edit, copy=copy,
-                              saveRec=saveRec, singleRere=singleRere, AutoRec=AutoRec, reRec=reRec,
+                              lineColor=color1, create=create, createpoly=createpoly, tableRec=tableRec, delete=delete, edit=edit, copy=copy,
+                              saveRec=saveRec, singleRere=singleRere, AutoRec=AutoRec, reRec=reRec, cellreRec=cellreRec,
                               createMode=createMode, editMode=editMode,
                               shapeLineColor=shapeLineColor, shapeFillColor=shapeFillColor,
                               zoom=zoom, zoomIn=zoomIn, zoomOut=zoomOut, zoomOrg=zoomOrg,
                               fitWindow=fitWindow, fitWidth=fitWidth,
                               zoomActions=zoomActions, saveLabel=saveLabel, change_cls=change_cls,
                               undo=undo, undoLastPoint=undoLastPoint, open_dataset_dir=open_dataset_dir,
-                              rotateLeft=rotateLeft, rotateRight=rotateRight, lock=lock,
-                              fileMenuActions=(opendir, open_dataset_dir, saveLabel, resetAll, quit),
+                              rotateLeft=rotateLeft, rotateRight=rotateRight, lock=lock, exportJSON=exportJSON,
+                              fileMenuActions=(opendir, open_dataset_dir, saveLabel, exportJSON, resetAll, quit),
                               beginner=(), advanced=(),
-                              editMenu=(createpoly, edit, copy, delete, singleRere, None, undo, undoLastPoint,
+                              editMenu=(createpoly, edit, copy, delete, singleRere, cellreRec, None, undo, undoLastPoint,
                                         None, rotateLeft, rotateRight, None, color1, self.drawSquaresOption, lock,
                                         None, change_cls),
                               beginnerContext=(
-                                  create, edit, copy, delete, singleRere, rotateLeft, rotateRight, lock, change_cls),
+                                  create, createpoly, edit, copy, delete, singleRere, cellreRec, rotateLeft, rotateRight, lock, change_cls),
                               advancedContext=(createMode, editMode, edit, copy,
                                                delete, shapeLineColor, shapeFillColor),
-                              onLoadActive=(create, createMode, editMode),
+                              onLoadActive=(create, createpoly, createMode, editMode),
                               onShapesPresent=(hideAll, showAll))
 
         # menus
@@ -574,7 +601,7 @@ class MainWindow(QMainWindow):
         self.autoSaveOption.triggered.connect(self.autoSaveFunc)
 
         addActions(self.menus.file,
-                   (opendir, open_dataset_dir, None, saveLabel, saveRec, self.autoSaveOption, None, resetAll, deleteImg,
+                   (opendir, open_dataset_dir, None, saveLabel, saveRec, exportJSON, self.autoSaveOption, None, resetAll, deleteImg,
                     quit))
 
         addActions(self.menus.help, (showKeys, showSteps, showInfo))
@@ -585,7 +612,7 @@ class MainWindow(QMainWindow):
             zoomIn, zoomOut, zoomOrg, None,
             fitWindow, fitWidth))
 
-        addActions(self.menus.autolabel, (AutoRec, reRec, alcm, None, help))
+        addActions(self.menus.autolabel, (AutoRec, reRec, cellreRec, alcm, None, help))
 
         self.menus.file.aboutToShow.connect(self.updateFileMenu)
 
@@ -695,6 +722,7 @@ class MainWindow(QMainWindow):
         self.dirty = False
         self.actions.save.setEnabled(False)
         self.actions.create.setEnabled(True)
+        self.actions.createpoly.setEnabled(True)
 
     def toggleActions(self, value=True):
         """Enable/Disable widgets which depend on an opened image."""
@@ -780,6 +808,7 @@ class MainWindow(QMainWindow):
         assert self.beginner()
         self.canvas.setEditing(False)
         self.actions.create.setEnabled(False)
+        self.actions.createpoly.setEnabled(False)
         self.canvas.fourpoint = False
 
     def createPolygon(self):
@@ -787,10 +816,10 @@ class MainWindow(QMainWindow):
         self.canvas.setEditing(False)
         self.canvas.fourpoint = True
         self.actions.create.setEnabled(False)
+        self.actions.createpoly.setEnabled(False)
         self.actions.undoLastPoint.setEnabled(True)
 
     def rotateImg(self, filename, k, _value):
-
         self.actions.rotateRight.setEnabled(_value)
         pix = cv2.imread(filename)
         pix = np.rot90(pix, k)
@@ -831,6 +860,7 @@ class MainWindow(QMainWindow):
             self.canvas.setEditing(True)
             self.canvas.restoreCursor()
             self.actions.create.setEnabled(True)
+            self.actions.createpoly.setEnabled(True)
 
     def toggleDrawMode(self, edit=True):
         self.canvas.setEditing(edit)
@@ -1001,6 +1031,7 @@ class MainWindow(QMainWindow):
         self._noSelectionSlot = False
         n_selected = len(selected_shapes)
         self.actions.singleRere.setEnabled(n_selected)
+        self.actions.cellreRec.setEnabled(n_selected)
         self.actions.delete.setEnabled(n_selected)
         self.actions.copy.setEnabled(n_selected)
         self.actions.edit.setEnabled(n_selected == 1)
@@ -1225,6 +1256,7 @@ class MainWindow(QMainWindow):
             if self.beginner():  # Switch to edit mode.
                 self.canvas.setEditing(True)
                 self.actions.create.setEnabled(True)
+                self.actions.createpoly.setEnabled(True)
                 self.actions.undoLastPoint.setEnabled(False)
                 self.actions.undo.setEnabled(True)
             else:
@@ -1663,8 +1695,10 @@ class MainWindow(QMainWindow):
         self.haveAutoReced = False
         self.AutoRecognition.setEnabled(True)
         self.reRecogButton.setEnabled(True)
+        self.tableRecButton.setEnabled(True)
         self.actions.AutoRec.setEnabled(True)
         self.actions.reRec.setEnabled(True)
+        self.actions.tableRec.setEnabled(True)
         self.actions.open_dataset_dir.setEnabled(True)
         self.actions.rotateLeft.setEnabled(True)
         self.actions.rotateRight.setEnabled(True)
@@ -1764,6 +1798,7 @@ class MainWindow(QMainWindow):
                     self.openNextImg()
                 self.actions.saveRec.setEnabled(True)
                 self.actions.saveLabel.setEnabled(True)
+                self.actions.exportJSON.setEnabled(True) 
 
         elif mode == 'Auto':
             if annotationFilePath and self.saveLabels(annotationFilePath, mode=mode):
@@ -2090,6 +2125,280 @@ class MainWindow(QMainWindow):
             self.singleLabel(shape)
             self.setDirty()
 
+    def TableRecognition(self):
+        '''
+            Table Recegnition
+        '''
+        from paddleocr.ppstructure.table.predict_table import to_excel
+
+        import time
+
+        start = time.time()
+        img = cv2.imread(self.filePath)
+        res = self.table_ocr(img, return_ocr_result_in_table=True)
+
+        TableRec_excel_dir = self.lastOpenDir + '/tableRec_excel_output/'
+        os.makedirs(TableRec_excel_dir, exist_ok=True)
+        filename, _ = os.path.splitext(os.path.basename(self.filePath))
+
+        excel_path = TableRec_excel_dir + '{}.xlsx'.format(filename)
+        
+        if res is None:
+            msg = 'Can not recognise the table in ' + self.filePath + '. Please change manually'
+            QMessageBox.information(self, "Information", msg)
+            to_excel('', excel_path) # create an empty excel
+            return
+        
+        # save res
+        # ONLY SUPPORT ONE TABLE in one image
+        hasTable = False
+        for region in res:
+            if region['type'] == 'Table':
+                if region['res']['boxes'] is None:
+                    msg = 'Can not recognise the detection box in ' + self.filePath + '. Please change manually'
+                    QMessageBox.information(self, "Information", msg)
+                    to_excel('', excel_path) # create an empty excel
+                    return
+                hasTable = True
+                # save table ocr result on PPOCRLabel
+                # clear all old annotaions before saving result
+                self.itemsToShapes.clear()
+                self.shapesToItems.clear()
+                self.itemsToShapesbox.clear()  # ADD
+                self.shapesToItemsbox.clear()
+                self.labelList.clear()
+                self.BoxList.clear()
+                self.result_dic = []
+                self.result_dic_locked = []
+
+                shapes = []
+                result_len = len(region['res']['boxes'])
+                for i in range(result_len):
+                    bbox = np.array(region['res']['boxes'][i])
+                    rec_text = region['res']['rec_res'][i][0]
+
+                    # polys to rectangles
+                    x1, y1 = np.min(bbox[:, 0]), np.min(bbox[:, 1])
+                    x2, y2 = np.max(bbox[:, 0]), np.max(bbox[:, 1])
+                    rext_bbox = [[x1, y1], [x2, y1], [x2, y2], [x1, y2]]
+
+                    # save bbox to shape
+                    shape = Shape(label=rec_text, line_color=DEFAULT_LINE_COLOR, key_cls=None)
+                    for point in rext_bbox:
+                        x, y = point
+                        # Ensure the labels are within the bounds of the image. 
+                        # If not, fix them.
+                        x, y, snapped = self.canvas.snapPointToCanvas(x, y)
+                        shape.addPoint(QPointF(x, y))
+                    shape.difficult = False
+                    # shape.locked = False
+                    shape.close()
+                    self.addLabel(shape)
+                    shapes.append(shape)
+                self.setDirty()
+                self.canvas.loadShapes(shapes)
+                
+                # save HTML result to excel
+                try:
+                    to_excel(region['res']['html'], excel_path)
+                except:
+                    print('Can not save excel file, maybe Permission denied (.xlsx is being occupied)')
+                break
+        
+        if not hasTable:
+            msg = 'Can not recognise the table in ' + self.filePath + '. Please change manually'
+            QMessageBox.information(self, "Information", msg)
+            to_excel('', excel_path) # create an empty excel
+            return
+
+        # automatically open excel annotation file
+        if platform.system() == 'Windows':
+            try:
+                import win32com.client
+            except:
+                print("CANNOT OPEN .xlsx. It could be one of the following reasons: " \
+                    "Only support Windows | No python win32com")
+
+            try:
+                xl = win32com.client.Dispatch("Excel.Application")
+                xl.Visible = True
+                xl.Workbooks.Open(excel_path)
+                # excelEx = "You need to show the excel executable at this point"
+                # subprocess.Popen([excelEx, excel_path])
+
+                # os.startfile(excel_path)
+            except:
+                print("CANNOT OPEN .xlsx. It could be the following reasons: " \
+                    ".xlsx is not existed")
+        else:
+            os.system('open ' + os.path.normpath(excel_path))
+                
+        print('time cost: ', time.time() - start)
+
+    def cellreRecognition(self):
+        '''
+            re-recognise text in a cell
+        '''
+        img = cv2.imread(self.filePath)
+        for shape in self.canvas.selectedShapes:
+            box = [[int(p.x()), int(p.y())] for p in shape.points]
+
+            if len(box) > 4:
+                box = self.gen_quad_from_poly(np.array(box))
+            assert len(box) == 4
+
+            # pad around bbox for better text recognition accuracy
+            _box = boxPad(box, img.shape, 6)
+            img_crop = get_rotate_crop_image(img, np.array(_box, np.float32))
+            if img_crop is None:
+                msg = 'Can not recognise the detection box in ' + self.filePath + '. Please change manually'
+                QMessageBox.information(self, "Information", msg)
+                return
+
+            # merge the text result in the cell
+            texts = ''
+            probs = 0. # the probability of the cell is avgerage prob of every text box in the cell
+            bboxes = self.ocr.ocr(img_crop, det=True, rec=False, cls=False)
+            if len(bboxes) > 0:
+                bboxes.reverse() # top row text at first
+                for _bbox in bboxes:
+                    patch = get_rotate_crop_image(img_crop, np.array(_bbox, np.float32))
+                    rec_res = self.ocr.ocr(patch, det=False, rec=True, cls=False)
+                    text = rec_res[0][0]
+                    if text != '':
+                        texts += text + (' ' if text[0].isalpha() else '') # add space between english word
+                        probs += rec_res[0][1]
+                probs = probs / len(bboxes)
+            result = [(texts.strip(), probs)]
+
+            if result[0][0] != '':
+                result.insert(0, box)
+                print('result in reRec is ', result)
+                if result[1][0] == shape.label:
+                    print('label no change')
+                else:
+                    shape.label = result[1][0]
+            else:
+                print('Can not recognise the box')
+                if self.noLabelText == shape.label:
+                    print('label no change')
+                else:
+                    shape.label = self.noLabelText
+            self.singleLabel(shape)
+            self.setDirty()
+
+    def exportJSON(self):
+        '''
+            export PPLabel and CSV to JSON (PubTabNet)
+        '''
+        import pandas as pd
+        from libs.dataPartitionDialog import DataPartitionDialog
+
+        # data partition user input
+        partitionDialog = DataPartitionDialog(parent=self)
+        partitionDialog.exec()
+        if partitionDialog.getStatus() == False:
+            return
+
+        # automatically save annotations
+        self.saveFilestate()
+        self.savePPlabel(mode='auto')
+
+        # load box annotations
+        labeldict = {}
+        if not os.path.exists(self.PPlabelpath):
+            msg = 'ERROR, Can not find Label.txt'
+            QMessageBox.information(self, "Information", msg)
+            return
+        else:
+            with open(self.PPlabelpath, 'r', encoding='utf-8') as f:
+                data = f.readlines()
+                for each in data:
+                    file, label = each.split('\t')
+                    if label:
+                        label = label.replace('false', 'False')
+                        label = label.replace('true', 'True')
+                        labeldict[file] = eval(label)
+                    else:
+                        labeldict[file] = []
+
+        # if len(labeldict) != len(csv_paths):
+        #     msg = 'ERROR, box label and excel label are not in the same number\n' + \
+        #           'box label: ' + str(len(labeldict)) + '\n' + \
+        #           'excel label: ' + str(len(csv_paths)) + '\n' + \
+        #           'Please check the label.txt and tableRec_excel_output\n'
+        #     QMessageBox.information(self, "Information", msg)
+        #     return
+        train_split, val_split, test_split = partitionDialog.getDataPartition()
+        # check validate
+        if train_split + val_split + test_split > 100:
+            msg = "The sum of training, validation and testing data should be less than 100%"
+            QMessageBox.information(self, "Information", msg)
+            return
+        print(train_split, val_split, test_split)
+        train_split, val_split, test_split = float(train_split) / 100., float(val_split) / 100., float(test_split) / 100.
+        train_id = int(len(labeldict) * train_split)
+        val_id = int(len(labeldict) * (train_split + val_split))
+        print('Data partition: train:', train_id, 
+              'validation:',  val_id - train_id,
+              'test:', len(labeldict) - val_id)
+
+        TableRec_excel_dir = os.path.join(self.lastOpenDir, 'tableRec_excel_output')
+        json_results = []
+        imgid = 0
+        for image_path in labeldict.keys():
+            # load csv annotations
+            filename, _ = os.path.splitext(os.path.basename(image_path))
+            csv_path = os.path.join(TableRec_excel_dir, filename + '.xlsx')
+            if not os.path.exists(csv_path):
+                msg = 'ERROR, Can not find ' + csv_path
+                QMessageBox.information(self, "Information", msg)
+                return
+
+            # read xlsx file, convert to HTML
+            # xd = pd.ExcelFile(csv_path)
+            # df = xd.parse()
+            # structure = df.to_html(index = False)
+            excel = xlrd.open_workbook(csv_path)
+            sheet0 = excel.sheet_by_index(0)  # only sheet 0
+            merged_cells = sheet0.merged_cells # (0,1,1,3) start row, end row, start col, end col
+
+            html_list = [['td'] * sheet0.ncols for i in range(sheet0.nrows)]
+
+            for merged in merged_cells:
+                html_list = expand_list(merged, html_list)
+
+            token_list = convert_token(html_list)
+
+
+            # load box annotations
+            cells = []
+            for anno in labeldict[image_path]:
+                tokens = list(anno['transcription'])
+                obb = anno['points']
+                hbb = OBB2HBB(np.array(obb)).tolist()
+                cells.append({'tokens': tokens, 'bbox': hbb})
+            
+            # data split
+            if imgid < train_id:
+                split = 'train'
+            elif imgid < val_id:
+                split = 'val'
+            else:
+                split = 'test'
+
+            #  save dict
+            html = {'structure': {'tokens': token_list}, 'cell': cells}
+            json_results.append({'filename': os.path.basename(image_path), 'split': split, 'imgid': imgid, 'html': html})
+            imgid += 1
+
+        # save json
+        with open("{}/annotation.json".format(self.lastOpenDir), "w", encoding='utf-8') as fid:
+            fid.write(json.dumps(json_results, ensure_ascii=False))
+        
+        msg = 'JSON sucessfully saved in {}/annotation.json'.format(self.lastOpenDir)
+        QMessageBox.information(self, "Information", msg)
+
     def autolcm(self):
         vbox = QVBoxLayout()
         hbox = QHBoxLayout()
@@ -2129,6 +2438,12 @@ class MainWindow(QMainWindow):
         del self.ocr
         self.ocr = PaddleOCR(use_pdserving=False, use_angle_cls=True, det=True, cls=True, use_gpu=False,
                              lang=lg_idx[self.comboBox.currentText()])
+        del self.table_ocr
+        self.table_ocr = PPStructure(use_pdserving=False,
+                                     use_gpu=False,
+                                     lang=lg_idx[self.comboBox.currentText()],
+                                     layout=False,
+                                     show_log=False)
         self.dialog.close()
 
     def cancel(self):
@@ -2147,6 +2462,7 @@ class MainWindow(QMainWindow):
                     self.fileStatedict[file] = 1
                 self.actions.saveLabel.setEnabled(True)
                 self.actions.saveRec.setEnabled(True)
+                self.actions.exportJSON.setEnabled(True)
 
     def saveFilestate(self):
         with open(self.fileStatepath, 'w', encoding='utf-8') as f:

PPOCRLabel/libs/dataPartitionDialog.py

+try:
+    from PyQt5.QtGui import *
+    from PyQt5.QtCore import *
+    from PyQt5.QtWidgets import *
+except ImportError:
+    from PyQt4.QtGui import *
+    from PyQt4.QtCore import *
+
+from libs.utils import newIcon
+
+import time
+import datetime
+import json
+import cv2
+import numpy as np
+
+
+BB = QDialogButtonBox
+
+class DataPartitionDialog(QDialog):
+    def __init__(self, parent=None):
+        super().__init__()
+        self.parnet = parent
+        self.title = 'DATA PARTITION'
+
+        self.train_ratio = 70
+        self.val_ratio = 15
+        self.test_ratio = 15
+        
+        self.initUI()
+
+    def initUI(self):
+        self.setWindowTitle(self.title)
+        self.setWindowModality(Qt.ApplicationModal)
+
+        self.flag_accept = True
+
+        if self.parnet.lang == 'ch':
+            msg = "导出JSON前请保存所有图像的标注且关闭EXCEL!"
+        else:
+            msg = "Please save all the annotations and close the EXCEL before exporting JSON!"
+
+        info_msg = QLabel(msg, self)
+        info_msg.setWordWrap(True)
+        info_msg.setStyleSheet("color: red")
+        info_msg.setFont(QFont('Arial', 12))
+
+        train_lbl = QLabel('Train split: ', self)
+        train_lbl.setFont(QFont('Arial', 15))
+        val_lbl = QLabel('Valid split: ', self)
+        val_lbl.setFont(QFont('Arial', 15))
+        test_lbl = QLabel('Test split: ', self)
+        test_lbl.setFont(QFont('Arial', 15))
+
+        self.train_input = QLineEdit(self)
+        self.train_input.setFont(QFont('Arial', 15))
+        self.val_input = QLineEdit(self)
+        self.val_input.setFont(QFont('Arial', 15))
+        self.test_input = QLineEdit(self)
+        self.test_input.setFont(QFont('Arial', 15))
+
+        self.train_input.setText(str(self.train_ratio))
+        self.val_input.setText(str(self.val_ratio))
+        self.test_input.setText(str(self.test_ratio))
+
+        validator = QIntValidator(0, 100)
+        self.train_input.setValidator(validator)
+        self.val_input.setValidator(validator)
+        self.test_input.setValidator(validator)
+
+        gridlayout = QGridLayout()
+        gridlayout.addWidget(info_msg, 0, 0, 1, 2)
+        gridlayout.addWidget(train_lbl, 1, 0)
+        gridlayout.addWidget(val_lbl, 2, 0)
+        gridlayout.addWidget(test_lbl, 3, 0)
+        gridlayout.addWidget(self.train_input, 1, 1)
+        gridlayout.addWidget(self.val_input, 2, 1)
+        gridlayout.addWidget(self.test_input, 3, 1)
+
+        bb = BB(BB.Ok | BB.Cancel, Qt.Horizontal, self)
+        bb.button(BB.Ok).setIcon(newIcon('done'))
+        bb.button(BB.Cancel).setIcon(newIcon('undo'))
+        bb.accepted.connect(self.validate)
+        bb.rejected.connect(self.cancel)
+        gridlayout.addWidget(bb, 4, 0, 1, 2)
+
+        self.setLayout(gridlayout)
+        
+        self.show()
+
+    def validate(self):
+        self.flag_accept = True
+        self.accept()
+
+    def cancel(self):
+        self.flag_accept = False
+        self.reject()
+    
+    def getStatus(self):
+        return self.flag_accept
+
+    def getDataPartition(self):
+        self.train_ratio = int(self.train_input.text())
+        self.val_ratio = int(self.val_input.text())
+        self.test_ratio = int(self.test_input.text())
+
+        return self.train_ratio, self.val_ratio, self.test_ratio
+
+    def closeEvent(self, event):
+        self.flag_accept = False
+        self.reject()
+
+

PPOCRLabel/libs/utils.py

@@ -161,6 +161,77 @@ def get_rotate_crop_image(img, points):
         print(e)
 
 
+def boxPad(box, imgShape, pad : int) -> np.array:
+    """
+    Pad a box with [pad] pixels on each side.
+    """
+    box = np.array(box, dtype=np.int32)
+    box[0][0], box[0][1] = box[0][0] - pad, box[0][1] - pad
+    box[1][0], box[1][1] = box[1][0] + pad, box[1][1] - pad
+    box[2][0], box[2][1] = box[2][0] + pad, box[2][1] + pad
+    box[3][0], box[3][1] = box[3][0] - pad, box[3][1] + pad
+    h, w, _ = imgShape
+    box[:,0] = np.clip(box[:,0], 0, w)
+    box[:,1] = np.clip(box[:,1], 0, h)
+    return box
+
+
+def OBB2HBB(obb) -> np.array:
+    """
+    Convert Oriented Bounding Box to Horizontal Bounding Box.
+    """
+    hbb = np.zeros(4, dtype=np.int32)
+    hbb[0] = min(obb[:, 0])
+    hbb[1] = min(obb[:, 1])
+    hbb[2] = max(obb[:, 0])
+    hbb[3] = max(obb[:, 1])
+    return hbb
+
+
+def expand_list(merged, html_list):
+    '''
+    Fill blanks according to merged cells
+    '''
+    sr, er, sc, ec = merged
+    for i in range(sr, er):
+        for j in range(sc, ec):
+            html_list[i][j] = None
+    html_list[sr][sc] = ''
+    if ec - sc > 1:
+        html_list[sr][sc] += " colspan={}".format(ec - sc)
+    if er - sr > 1:
+        html_list[sr][sc] += " rowspan={}".format(er - sr)
+    return html_list
+
+
+def convert_token(html_list):
+    '''
+    Convert raw html to label format
+    '''
+    token_list = ["<tbody>"]
+    # final html list:
+    for row in html_list:
+        token_list.append("<tr>")
+        for col in row:
+            if col == None:
+                continue
+            elif col == 'td':
+                token_list.extend(["<td>", "</td>"])
+            else:
+                token_list.append("<td")
+                if 'colspan' in col:
+                    _, n = col.split('colspan=')
+                    token_list.append(" colspan=\"{}\"".format(n))
+                if 'rowspan' in col:
+                    _, n = col.split('rowspan=')
+                    token_list.append(" rowspan=\"{}\"".format(n))
+                token_list.extend([">", "</td>"])
+        token_list.append("</tr>")
+    token_list.append("</tbody>")
+
+    return token_list
+
+
 def stepsInfo(lang='en'):
     if lang == 'ch':
         msg = "1. 安装与运行：使用上述命令安装与运行程序。\n" \

PPOCRLabel/resources/strings/strings-en.properties

@@ -84,7 +84,7 @@ mhelp=Help
 iconList=Icon List
 detectionBoxposition=Detection box position
 recognitionResult=Recognition result
-creatPolygon=Create Quadrilateral
+creatPolygon=Create PolygonBox
 rotateLeft=Left turn 90 degrees
 rotateRight=Right turn 90 degrees
 drawSquares=Draw Squares
@@ -110,3 +110,6 @@ lockBoxDetail=Lock selected box/Unlock all box
 keyListTitle=Key List
 keyDialogTip=Enter object label
 keyChange=Change Box Key
+TableRecognition=Table Recognition
+cellreRecognition=Cell Re-Recognition
+exportJSON=export JSON(PubTabNet)

PPOCRLabel/resources/strings/strings-zh-CN.properties

@@ -84,7 +84,7 @@ mhelp=帮助
 iconList=缩略图
 detectionBoxposition=检测框位置
 recognitionResult=识别结果
-creatPolygon=四点标注
+creatPolygon=多边形标注
 drawSquares=正方形标注
 rotateLeft=图片左旋转90度
 rotateRight=图片右旋转90度
@@ -110,3 +110,6 @@ lockBoxDetail=若当前没有框处于锁定状态则锁定选中的框，若存
 keyListTitle=关键词列表
 keyDialogTip=请输入类型名称
 keyChange=更改Box关键字类别
+TableRecognition=表格识别
+cellreRecognition=单元格重识别
+exportJSON=导出表格JSON标注
\ No newline at end of file