Add single box re-recognition function and perfect shortcut keys

PPOCRLabel/PPOCRLabel.py

@@ -277,6 +277,7 @@ class MainWindow(QMainWindow, WindowMixin):
         self.preButton.setIconSize(QSize(40, 100))
         self.preButton.clicked.connect(self.openPrevImg)
         self.preButton.setStyleSheet('border: none;')
+        self.preButton.setShortcut('a')
         self.iconlist = QListWidget()
         self.iconlist.setViewMode(QListView.IconMode)
         self.iconlist.setFlow(QListView.TopToBottom)
@@ -292,6 +293,7 @@ class MainWindow(QMainWindow, WindowMixin):
         self.nextButton.setIconSize(QSize(40, 100))
         self.nextButton.setStyleSheet('border: none;')
         self.nextButton.clicked.connect(self.openNextImg)
+        self.nextButton.setShortcut('d')
         
         hlayout.addWidget(self.preButton)
         hlayout.addWidget(self.iconlist)
@@ -366,14 +368,6 @@ class MainWindow(QMainWindow, WindowMixin):
         opendir = action(getStr('openDir'), self.openDirDialog,
                          'Ctrl+u', 'open', getStr('openDir'))
 
-        openNextImg = action(getStr('nextImg'), self.openNextImg,
-                             'd', 'next', getStr('nextImgDetail'))
-
-        openPrevImg = action(getStr('prevImg'), self.openPrevImg,
-                             'a', 'prev', getStr('prevImgDetail'))
-
-        # verify = action(getStr('verifyImg'), self.verifyImg,
-        #                 'space', 'verify', getStr('verifyImgDetail'))
 
         save = action(getStr('save'), self.saveFile,
                       'Ctrl+V', 'verify', getStr('saveDetail'), enabled=False)
@@ -381,7 +375,7 @@ class MainWindow(QMainWindow, WindowMixin):
         alcm = action(getStr('choosemodel'), self.autolcm,
                                         'Ctrl+M', 'next', getStr('tipchoosemodel'))
 
-        deleteImg = action(getStr('deleteImg'), self.deleteImg, 'Ctrl+D', 'close', getStr('deleteImgDetail'),
+        deleteImg = action(getStr('deleteImg'), self.deleteImg, 'Ctrl+Shift+D', 'close', getStr('deleteImgDetail'),
                            enabled=True)
 
         resetAll = action(getStr('resetAll'), self.resetAll, None, 'resetall', getStr('resetAllDetail'))
@@ -398,7 +392,7 @@ class MainWindow(QMainWindow, WindowMixin):
                         'w', 'new', getStr('crtBoxDetail'), enabled=False)
 
         delete = action(getStr('delBox'), self.deleteSelectedShape,
-                        'Delete', 'delete', getStr('delBoxDetail'), enabled=False)
+                        'backspace', 'delete', getStr('delBoxDetail'), enabled=False)
         copy = action(getStr('dupBox'), self.copySelectedShape,
                       'Ctrl+C', 'copy', getStr('dupBoxDetail'),
                       enabled=False)
@@ -456,8 +450,11 @@ class MainWindow(QMainWindow, WindowMixin):
         reRec = action(getStr('reRecognition'), self.reRecognition, 
                       'Ctrl+Shift+R', 'reRec', getStr('reRecognition'), enabled=False)
 
+        singleRere = action(getStr('singleRe'), self.singleRerecognition,
+                            'Ctrl+R', 'reRec', getStr('singleRe'), enabled=False)
+
         createpoly = action(getStr('creatPolygon'), self.createPolygon,
-                            'p', 'new', 'Creat Polygon', enabled=True)
+                            'q', 'new', 'Creat Polygon', enabled=True)
 
         saveRec = action(getStr('saveRec'), self.saveRecResult,
                             '', 'save', getStr('saveRec'), enabled=False)
@@ -515,7 +512,6 @@ class MainWindow(QMainWindow, WindowMixin):
 
         # Draw squares/rectangles
         self.drawSquaresOption = QAction(getStr('drawSquares'), self)
-        self.drawSquaresOption.setShortcut('Ctrl+Shift+R')
         self.drawSquaresOption.setCheckable(True)
         self.drawSquaresOption.setChecked(settings.get(SETTING_DRAW_SQUARE, False))
         self.drawSquaresOption.triggered.connect(self.toogleDrawSquare)
@@ -523,7 +519,7 @@ class MainWindow(QMainWindow, WindowMixin):
         # Store actions for further handling.
         self.actions = struct(save=save,  open=open,  resetAll=resetAll, deleteImg=deleteImg,
                               lineColor=color1, create=create, delete=delete, edit=edit, copy=copy,
-                              saveRec=saveRec,
+                              saveRec=saveRec, singleRere=singleRere,AutoRec=AutoRec,reRec=reRec,
                               createMode=createMode, editMode=editMode,
                               shapeLineColor=shapeLineColor, shapeFillColor=shapeFillColor,
                               zoom=zoom, zoomIn=zoomIn, zoomOut=zoomOut, zoomOrg=zoomOrg,
@@ -532,9 +528,9 @@ class MainWindow(QMainWindow, WindowMixin):
                               fileMenuActions=(
                                   open, opendir, saveLabel,  resetAll, quit),
                               beginner=(), advanced=(),
-                              editMenu=(createpoly, edit, copy, delete,
+                              editMenu=(createpoly, edit, copy, delete,singleRere,
                                         None, color1, self.drawSquaresOption),
-                              beginnerContext=(create, edit, copy, delete),
+                              beginnerContext=(create, edit, copy, delete, singleRere),
                               advancedContext=(createMode, editMode, edit, copy,
                                                delete, shapeLineColor, shapeFillColor),
                               onLoadActive=(
@@ -576,7 +572,7 @@ class MainWindow(QMainWindow, WindowMixin):
             zoomIn, zoomOut, zoomOrg, None,
             fitWindow, fitWidth))
 
-        addActions(self.menus.autolabel, (alcm, None, help)) #
+        addActions(self.menus.autolabel, (AutoRec, reRec, alcm, None, help)) #
 
         self.menus.file.aboutToShow.connect(self.updateFileMenu)
 
@@ -944,6 +940,7 @@ class MainWindow(QMainWindow, WindowMixin):
         self.actions.edit.setEnabled(selected)
         self.actions.shapeLineColor.setEnabled(selected)
         self.actions.shapeFillColor.setEnabled(selected)
+        self.actions.singleRere.setEnabled(selected)
 
     def addLabel(self, shape):
         shape.paintLabel = self.displayLabelOption.isChecked()
@@ -1013,6 +1010,19 @@ class MainWindow(QMainWindow, WindowMixin):
         self.updateComboBox()
         self.canvas.loadShapes(s)
 
+    def singleLabel(self, shape):
+        if shape is None:
+            # print('rm empty label')
+            return
+        item = self.shapesToItems[shape]
+        item.setText(shape.label)
+        self.updateComboBox()
+
+        # ADD:
+        item = self.shapesToItemsbox[shape]
+        item.setText(str([(int(p.x()), int(p.y())) for p in shape.points]))
+        self.updateComboBox()
+
     def updateComboBox(self):
         # Get the unique labels and add them to the Combobox.
         itemsTextList = [str(self.labelList.item(i).text()) for i in range(self.labelList.count())]
@@ -1466,6 +1476,8 @@ class MainWindow(QMainWindow, WindowMixin):
         self.haveAutoReced = False
         self.AutoRecognition.setEnabled(True)
         self.reRecogButton.setEnabled(True)
+        self.actions.AutoRec.setEnabled(True)
+        self.actions.reRec.setEnabled(True)
         self.actions.saveLabel.setEnabled(True)
 
 
@@ -1780,6 +1792,7 @@ class MainWindow(QMainWindow, WindowMixin):
         self.loadFile(self.filePath) # ADD
         self.haveAutoReced = True
         self.AutoRecognition.setEnabled(False)
+        self.actions.AutoRec.setEnabled(False)
         self.setDirty()
         self.saveCacheLabel()
 
@@ -1819,6 +1832,27 @@ class MainWindow(QMainWindow, WindowMixin):
         else:
             QMessageBox.information(self, "Information", "Draw a box!")
 
+    def singleRerecognition(self):
+        img = cv2.imread(self.filePath)
+        shape = self.canvas.selectedShape
+        box = [[int(p.x()), int(p.y())] for p in shape.points]
+        assert len(box) == 4
+        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
+        result = self.ocr.ocr(img_crop, cls=True, det=False)
+        if result[0][0] is not '':
+            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]
+            self.singleLabel(shape)
+            self.setDirty()
+        print(box)
 
     def autolcm(self):
         vbox = QVBoxLayout()
@@ -1850,6 +1884,7 @@ class MainWindow(QMainWindow, WindowMixin):
         self.dialog.exec_()
         if self.filePath:
             self.AutoRecognition.setEnabled(True)
+            self.actions.AutoRec.setEnabled(True)
 
 
     def modelChoose(self):

PPOCRLabel/README.md

-# PPOCRLabel
+# **PPOCRLabel**
 
 PPOCRLabel是一款适用于OCR领域的半自动化图形标注工具，使用python3和pyqt5编写，支持矩形框标注和四点标注模式，导出格式可直接用于PPOCR检测和识别模型的训练。
 
 <img src="./data/gif/steps.gif" width="100%"/>
 
+#### 近期更新
+
+- 2020.12.18: 支持对单个标记框进行重新识别（by [ninetailskim](https://github.com/ninetailskim) ），完善快捷键。
+
 ## 安装
 
 ### 1. 安装PaddleOCR
@@ -70,6 +74,26 @@ python3 PPOCRLabel.py --lang ch
 |   crop_img    |   识别数据。按照检测框切割后的图片。与rec_gt.txt同时产生。   |
 
 ## 说明
+
+### 快捷键
+
+| 快捷键           | 说明                         |
+| ---------------- | ---------------------------- |
+| Ctrl + shift + A | 自动标注所有未确认过的图片   |
+| Ctrl + shift + R | 对当前图片的所有标记重新识别 |
+| W                | 新建矩形框                   |
+| Q                | 新建四点框                   |
+| Ctrl + E         | 编辑所选框标签               |
+| Ctrl + R         | 重新识别所选标记             |
+| Backspace        | 删除所选框                   |
+| Ctrl + V         | 确认本张图片标记             |
+| Ctrl + Shift + d | 删除本张图片                 |
+| D                | 下一张图片                   |
+| A                | 上一张图片                   |
+| Ctrl++           | 缩小                         |
+| Ctrl--           | 放大                         |
+| ↑→↓←             | 移动标记框                   |
+
 ### 内置模型
 
  - 默认模型：PPOCRLabel默认使用PaddleOCR中的中英文超轻量OCR模型，支持中英文与数字识别，多种语言检测。
@@ -80,7 +104,7 @@ python3 PPOCRLabel.py --lang ch
 
 ### 导出部分识别结果
 
-针对部分难以识别的数据，通过在识别结果的复选框中**取消勾选**相应的标记，其识别结果不会被导出。
+针对部分难以识别的数据，通过在识别结果的复选框中取消勾选相应的标记，其识别结果不会被导出。
 
 *注意：识别结果中的复选框状态仍需用户手动点击保存后才能保留*
 
@@ -97,4 +121,4 @@ python3 PPOCRLabel.py --lang ch
 	```
 ### 参考资料
 
-1.[Tzutalin. LabelImg. Git code (2015)](https://github.com/tzutalin/labelImg)
+**1.[Tzutalin. LabelImg. Git code (2015)](https://github.com/tzutalin/labelImg)**

PPOCRLabel/README_en.md

@@ -4,6 +4,10 @@ PPOCRLabel is a semi-automatic graphic annotation tool suitable for OCR field. I
 
 <img src="./data/gif/steps_en.gif" width="100%"/>
 
+### Recent Update
+
+- 2020.12.18: Support re-recognition of a single label box (by [ninetailskim](https://github.com/ninetailskim) ), perfect shortcut keys.
+
 ## Installation
 
 ### 1. Install PaddleOCR
@@ -90,6 +94,25 @@ Therefore, if the recognition result has been manually changed before, it may ch
 
 ## Explanation
 
+### Shortcut keys
+
+| Shortcut keys    | Description                                      |
+| ---------------- | ------------------------------------------------ |
+| Ctrl + shift + A | Automatically label all unchecked images         |
+| Ctrl + shift + R | Re-recognize all the labels of the current image |
+| W                | Create a rect box                                |
+| Q                | Create a four-points box                         |
+| Ctrl + E         | Edit label of the selected box                   |
+| Ctrl + R         | Re-recognize the selected box                    |
+| Backspace        | Delete the selected box                          |
+| Ctrl + V         | Check image                                      |
+| Ctrl + Shift + d | Delete image                                     |
+| D                | Next image                                       |
+| A                | Previous image                                   |
+| Ctrl++           | Zoom in                                          |
+| Ctrl--           | Zoom out                                         |
+| ↑→↓←             | Move selected box                                |
+
 ### Built-in Model
 
 - Default model: PPOCRLabel uses the Chinese and English ultra-lightweight OCR model in PaddleOCR by default, supports Chinese, English and number recognition, and multiple language detection.

PPOCRLabel/libs/autoDialog.py

@@ -48,7 +48,7 @@ class Worker(QThread):
                             posi = res[0]
                             strs += "Transcription: " + chars + " Probability: " + str(cond) + " Location: " + json.dumps(posi)
                         # Sending large amounts of data repeatedly through pyqtSignal may affect the program efficiency
-                        # self.listValue.emit(strs)  # It is better to remove this line
+                        self.listValue.emit(strs)
                         self.mainThread.result_dic = self.result_dic
                         self.mainThread.filePath = Imgpath
                         # 保存

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

@@ -95,3 +95,4 @@ autolabeling=自动标注中
 hideBox=隐藏所有标注
 showBox=显示所有标注
 saveLabel=保存标记结果
+singleRe=重识别此区块
\ No newline at end of file

PPOCRLabel/resources/strings/strings.properties

@@ -95,3 +95,4 @@ autolabeling=Automatic Labeling
 hideBox=Hide All Box
 showBox=Show All Box
 saveLabel=Save Label
+singleRe=Re-recognition RectBox
\ No newline at end of file