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HyperLprGUI.py
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HyperLprGUI.py
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"""
Author: youngorsu
Email : [email protected]
Last edited: 2018.1.29
"""
# coding=utf-8
import sys
import os
from PyQt5.QtWidgets import (
QMainWindow,
QLabel,
QLineEdit,
QPushButton,
QHBoxLayout,
QVBoxLayout,
QGridLayout,
QTableWidget,
QWidget,
QAbstractItemView,
QHeaderView,
QGraphicsView,
QGraphicsScene,
QGraphicsPixmapItem,
QSplitter,
QFileDialog,
QTableWidgetItem,
QGraphicsRectItem,
QCheckBox,
QMessageBox,
QGraphicsSimpleTextItem,
qApp,
QApplication)
from PyQt5.QtGui import QIcon, QColor, QPainter, QImage, QPixmap, QPen, QBrush, QFont, QPalette
from PyQt5.QtCore import Qt, QDir, QSize, QEventLoop, QThread, pyqtSignal
from hyperlpr_py3 import pipline as pp
import cv2
import numpy as np
import time
def SimpleRecognizePlateWithGui(image):
t0 = time.time()
images = pp.detect.detectPlateRough(
image, image.shape[0], top_bottom_padding_rate=0.1)
res_set = []
for j, plate in enumerate(images):
plate, rect, origin_plate = plate
plate = cv2.resize(plate, (136, 36 * 2))
t1 = time.time()
plate_color = "蓝"
plate_type = pp.td.SimplePredict(plate)
if (plate_type > 0) and (plate_type < 5):
plate = cv2.bitwise_not(plate)
plate_color = "黄"
image_rgb = pp.fm.findContoursAndDrawBoundingBox(plate)
image_rgb = pp.fv.finemappingVertical(image_rgb)
pp.cache.verticalMappingToFolder(image_rgb)
e2e_plate, e2e_confidence = pp.e2e.recognizeOne(image_rgb)
#print("e2e:", e2e_plate, e2e_confidence)
image_gray = cv2.cvtColor(image_rgb, cv2.COLOR_RGB2GRAY)
#print("校正", time.time() - t1, "s")
t2 = time.time()
val = pp.segmentation.slidingWindowsEval(image_gray)
# print val
#print("分割和识别", time.time() - t2, "s")
if len(val) == 3:
blocks, res, confidence = val
if confidence / 7 > 0.7:
for i, block in enumerate(blocks):
block_ = cv2.resize(block, (24, 24))
block_ = cv2.cvtColor(block_, cv2.COLOR_GRAY2BGR)
image[j * 24:(j * 24) + 24, i * 24:(i * 24) + 24] = block_
if image[j * 24:(j * 24) + 24,
i * 24:(i * 24) + 24].shape == block_.shape:
pass
res_set.append([res,
confidence / 7,
rect,
plate_color,
e2e_plate,
e2e_confidence,
len(blocks)])
#print(time.time() - t0, "s")
return image, res_set
class LicenseRecognizationThread(QThread):
recognization_done_signal = pyqtSignal(list)
def __init__(self, parent=None):
super().__init__(parent)
self.hyperlpr_dir_path = ""
self.filenames = []
def set_parameter(self, filename_list, path):
self.hyperlpr_dir_path = path
self.filenames = filename_list
def run(self):
while True:
time.sleep(1)
if len(self.hyperlpr_dir_path) > 0:
for i in range(0, len(self.filenames)):
path = os.path.join(
self.hyperlpr_dir_path, self.filenames[i])
image = cv2.imdecode(np.fromfile(path, dtype=np.uint8), -1)
image, res_set = SimpleRecognizePlateWithGui(image)
self.recognization_done_signal.emit([i, res_set])
self.hyperlpr_dir_path = ""
class HyperLprImageView(QGraphicsView):
def __init__(self):
super().__init__()
self.init_ui()
def init_ui(self):
scene = QGraphicsScene()
scene.setBackgroundBrush(QColor(100, 100, 100))
scene.setItemIndexMethod(QGraphicsScene.BspTreeIndex)
scene.setSceneRect(scene.itemsBoundingRect())
self.setDragMode(QGraphicsView.RubberBandDrag)
self.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)
self.setRenderHints(QPainter.Antialiasing | QPainter.TextAntialiasing)
self.frame_item = QGraphicsPixmapItem()
self.text_item_offset = 0
self.rect_item_array = []
self.text_item_array = []
for i in range(0, 5):
rect_item = QGraphicsRectItem()
rect_item.setVisible(False)
rect_item.setZValue(20.0)
rect_item.setPen(QPen(Qt.red, 5))
rect_item.setRect(20, 20, 20, 20)
scene.addItem(rect_item)
self.rect_item_array.append(rect_item)
text_item = QGraphicsSimpleTextItem("")
text_item.setBrush(QBrush(Qt.red))
text_item.setZValue(20.0)
text_item.setPos(10, 50)
text_item.setFont(QFont("黑体", 32))
text_item.setVisible(False)
scene.addItem(text_item)
self.text_item_array.append(text_item)
scene.addItem(self.frame_item)
self.curr_factor = 1.0
self.setScene(scene)
def resetRectText(self, res_set):
max_no = len(res_set)
if max_no > 5:
max_no = 5
for i in range(0, 5):
if i < max_no:
curr_rect = res_set[i][2]
self.rect_item_array[i].setRect(int(curr_rect[0]), int(
curr_rect[1]), int(curr_rect[2]), int(curr_rect[3]))
self.rect_item_array[i].setVisible(True)
self.text_item_array[i].setText(
res_set[i][0] + " " + res_set[i][3])
self.text_item_array[i].setPos(
int(curr_rect[0]), int(curr_rect[1]) - 48)
self.text_item_array[i].setVisible(True)
else:
self.text_item_array[i].setVisible(False)
self.rect_item_array[i].setVisible(False)
def wheelEvent(self, event):
factor = event.angleDelta().y() / 120.0
if event.angleDelta().y() / 120.0 > 0:
factor = 1.08
else:
factor = 0.92
if self.curr_factor > 0.1 and self.curr_factor < 10:
self.curr_factor = self.curr_factor * factor
self.scale(factor, factor)
def resetPixmap(self, image):
self.frame_item.setPixmap(QPixmap.fromImage(image))
class HyperLprWindow(QMainWindow):
start_init_signal = pyqtSignal()
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.statusBar().showMessage('Ready')
self.image_window_view = HyperLprImageView()
table_widget_header_labels = [
"文件名",
"分割识别",
"置信度",
"颜色",
"E2E识别",
"E2E置信度"]
self.hyperlpr_tableview = QTableWidget(
0, len(table_widget_header_labels))
self.hyperlpr_tableview.setHorizontalHeaderLabels(
table_widget_header_labels)
self.hyperlpr_tableview.setSelectionBehavior(
QAbstractItemView.SelectItems)
self.hyperlpr_tableview.setSelectionMode(
QAbstractItemView.SingleSelection)
self.hyperlpr_tableview.setEditTriggers(
QAbstractItemView.NoEditTriggers)
self.hyperlpr_tableview.horizontalHeader().setSectionResizeMode(
QHeaderView.ResizeToContents)
self.hyperlpr_tableview.setEditTriggers(
QAbstractItemView.NoEditTriggers)
self.hyperlpr_tableview.cellClicked.connect(
self.recognize_one_license_plate)
self.location_label = QLabel("车牌目录", self)
self.location_text = QLineEdit(self)
self.location_text.setEnabled(False)
self.location_text.setFixedWidth(300)
self.location_button = QPushButton("...")
self.location_button.clicked.connect(self.select_new_dir)
self.location_layout = QHBoxLayout()
self.location_layout.addWidget(self.location_label)
self.location_layout.addWidget(self.location_text)
self.location_layout.addWidget(self.location_button)
self.location_layout.addStretch()
self.check_box = QCheckBox("与文件名比较车牌")
self.check_box.setChecked(True)
self.update_file_path_button = QPushButton('批量识别')
self.update_file_path_button.clicked.connect(
self.batch_recognize_all_images)
self.update_file_path_layout = QHBoxLayout()
self.update_file_path_layout.addWidget(self.check_box)
self.update_file_path_layout.addWidget(self.update_file_path_button)
self.update_file_path_layout.addStretch()
self.bottom_layout = QVBoxLayout()
self.bottom_layout.addLayout(self.location_layout)
self.bottom_layout.addLayout(self.update_file_path_layout)
bottom_widget = QWidget()
bottom_widget.setLayout(self.bottom_layout)
license_plate_iamge_label = QLabel("车牌图")
self.license_plate_widget = QLabel("")
block_image_label = QLabel("分割图")
self.block_plate_widget = QLabel("")
filename_label = QLabel("文件名：")
self.filename_edit = QLineEdit()
segmentation_recognition_label = QLabel("分割识别：")
self.segmentation_recognition_edit = QLineEdit()
self.segmentation_recognition_edit.setFont(QFont("黑体", 24, QFont.Bold))
self.segmentation_recognition_edit.setStyleSheet("color:red")
confidence_label = QLabel("置信度")
self.confidence_edit = QLineEdit()
self.confidence_edit.setFont(QFont("黑体", 24, QFont.Bold))
self.confidence_edit.setStyleSheet("color:red")
plate_color_label = QLabel("车牌颜色")
self.plate_color_edit = QLineEdit()
self.plate_color_edit.setFont(QFont("黑体", 24, QFont.Bold))
self.plate_color_edit.setStyleSheet("color:red")
e2e_recognization_label = QLabel("e2e识别：")
self.e2e_recognization_edit = QLineEdit()
self.e2e_recognization_edit.setFont(QFont("黑体", 24, QFont.Bold))
self.e2e_recognization_edit.setStyleSheet("color:red")
e2e_confidence_label = QLabel("e2e置信度")
self.e2e_confidence_edit = QLineEdit()
self.e2e_confidence_edit.setFont(QFont("黑体", 24, QFont.Bold))
self.e2e_confidence_edit.setStyleSheet("color:red")
info_gridlayout = QGridLayout()
info_gridlayout.addWidget(filename_label, 0, 0)
info_gridlayout.addWidget(self.filename_edit, 0, 1)
info_gridlayout.addWidget(license_plate_iamge_label, 1, 0)
info_gridlayout.addWidget(self.license_plate_widget, 1, 1)
info_gridlayout.addWidget(block_image_label, 2, 0)
info_gridlayout.addWidget(self.block_plate_widget, 2, 1)
info_gridlayout.addWidget(segmentation_recognition_label, 3, 0)
info_gridlayout.addWidget(self.segmentation_recognition_edit, 3, 1)
info_gridlayout.addWidget(confidence_label, 4, 0)
info_gridlayout.addWidget(self.confidence_edit, 4, 1)
info_gridlayout.addWidget(plate_color_label, 5, 0)
info_gridlayout.addWidget(self.plate_color_edit, 5, 1)
info_gridlayout.addWidget(e2e_recognization_label, 6, 0)
info_gridlayout.addWidget(self.e2e_recognization_edit, 6, 1)
info_gridlayout.addWidget(e2e_confidence_label, 7, 0)
info_gridlayout.addWidget(self. e2e_confidence_edit, 7, 1)
info_widget = QWidget()
info_widget.setLayout(info_gridlayout)
right_splitter = QSplitter(Qt.Vertical)
right_splitter.addWidget(bottom_widget)
right_splitter.addWidget(self.hyperlpr_tableview)
right_splitter.addWidget(info_widget)
right_splitter.setStretchFactor(1, 3)
right_splitter.setStretchFactor(2, 2)
main_splitter = QSplitter(Qt.Horizontal)
main_splitter.addWidget(self.image_window_view)
main_splitter.addWidget(right_splitter)
main_splitter.setStretchFactor(0, 1)
self.image_filename_list = []
self.hyperlpr_dir_path = ""
self.segmentation_recognition_correct_number = 0
self.color_correct_number = 0
self.e2e_recognization_correct_number = 0
self.batch_recognization_thread = LicenseRecognizationThread()
self.batch_recognization_thread.recognization_done_signal.connect(
self.recognization_done_slot)
self.batch_recognization_thread.start()
self.start_init_signal.connect(self.read_path_and_show_one_image)
self.setCentralWidget(main_splitter)
self.setWindowTitle("HyperLPR车牌识别软件v1.0")
self.start_init_signal.emit()
def read_path_and_show_one_image(self):
hyperlpr_dir_info_filepath = QDir.homePath() + "/hyperlpr_dir_file"
if os.path.exists(hyperlpr_dir_info_filepath):
with open(hyperlpr_dir_info_filepath, 'r') as f:
self.hyperlpr_dir_path = f.read()
if len(self.hyperlpr_dir_path) > 0:
self.reset_info_gui()
if len(self.image_filename_list) > 0:
self.recognize_and_show_one_image(self.image_filename_list[0], 0)
def select_new_dir(self):
self.hyperlpr_dir_path = QFileDialog.getExistingDirectory(
self, "读取文件夹", QDir.currentPath())
if len(self.hyperlpr_dir_path) > 0:
hyperlpr_dir_info_filepath = QDir.homePath() + "/hyperlpr_dir_file"
with open(hyperlpr_dir_info_filepath, 'w') as f:
f.write(self.hyperlpr_dir_path)
self.reset_info_gui()
def reset_info_gui(self):
self.location_text.setText(self.hyperlpr_dir_path)
self.scan_files_with_new_dir(self.hyperlpr_dir_path)
self.fill_table_with_new_info()
def scan_files_with_new_dir(self, path):
name_list = os.listdir(path) # 列出文件夹下所有的目录与文件
self.image_filename_list.clear()
for i in range(0, len(name_list)):
if name_list[i].endswith(
".jpg") or name_list[i].endswith(".png"):
self.image_filename_list.append(name_list[i])
def fill_table_with_new_info(self):
self.hyperlpr_tableview.clearContents()
row_count = self.hyperlpr_tableview.rowCount()
for i in range(row_count, -1, -1):
self.hyperlpr_tableview.removeRow(i)
for i in range(0, len(self.image_filename_list)):
row = self.hyperlpr_tableview.rowCount()
self.hyperlpr_tableview.insertRow(row)
item0 = QTableWidgetItem()
item0.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(row, 0, item0)
self.hyperlpr_tableview.item(
row, 0).setText(
self.image_filename_list[i])
item1 = QTableWidgetItem()
item1.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(row, 1, item1)
item2 = QTableWidgetItem()
item2.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(row, 2, item2)
item3 = QTableWidgetItem()
item3.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(row, 3, item3)
item4 = QTableWidgetItem()
item4.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(row, 4, item4)
item5 = QTableWidgetItem()
item5.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(row, 5, item5)
def recognize_one_license_plate(self, row, col):
if col == 0 and row < len(self.image_filename_list):
self.recognize_and_show_one_image(
self.image_filename_list[row], row)
def recognize_and_show_one_image(self, image_filename_text, row):
if image_filename_text.endswith(".jpg"):
path = os.path.join(self.hyperlpr_dir_path, image_filename_text)
image = cv2.imdecode(np.fromfile(path, dtype=np.uint8), -1)
image, res_set = SimpleRecognizePlateWithGui(image)
img = QImage(
image.data,
image.shape[1],
image.shape[0],
image.shape[1] * image.shape[2],
QImage.Format_RGB888)
self.image_window_view.resetPixmap(img.rgbSwapped())
self.image_window_view.resetRectText(res_set)
if len(res_set) > 0:
curr_rect = res_set[0][2]
image_crop = image[int(curr_rect[1]):int(
curr_rect[1] + curr_rect[3]), int(curr_rect[0]):int(curr_rect[0] + curr_rect[2])]
curr_plate = cv2.resize(image_crop, (136, 72))
plate_img = QImage(
curr_plate.data,
curr_plate.shape[1],
curr_plate.shape[0],
curr_plate.shape[1] *
curr_plate.shape[2],
QImage.Format_RGB888)
self.license_plate_widget.setPixmap(
QPixmap.fromImage(plate_img.rgbSwapped()))
# print(res_set[0][6])
block_crop = image[0:24, 0:(24 * int(res_set[0][6]))]
curr_block = cv2.resize(
block_crop, (24 * int(res_set[0][6]), 24))
block_image = QImage(
curr_block.data,
curr_block.shape[1],
curr_block.shape[0],
curr_block.shape[1] *
curr_block.shape[2],
QImage.Format_RGB888)
self.block_plate_widget.setPixmap(
QPixmap.fromImage(block_image.rgbSwapped()))
self.segmentation_recognition_edit.setText(res_set[0][0])
self.filename_edit.setText(image_filename_text)
self.confidence_edit.setText("%.3f" % (float(res_set[0][1])))
self.plate_color_edit.setText(res_set[0][3])
self.e2e_recognization_edit.setText(res_set[0][4])
self.e2e_confidence_edit.setText(
"%.3f" % (float(res_set[0][5])))
else:
self.license_plate_widget.clear()
self.block_plate_widget.clear()
self.segmentation_recognition_edit.setText("")
self.filename_edit.setText("")
self.confidence_edit.setText("")
self.plate_color_edit.setText("")
self.e2e_recognization_edit.setText("")
self.e2e_confidence_edit.setText("")
self.fill_table_widget_with_res_info(res_set, row)
def batch_recognize_all_images(self):
self.segmentation_recognition_correct_number = 0
self.color_correct_number = 0
self.e2e_recognization_correct_number = 0
self.batch_recognization_thread.set_parameter(
self.image_filename_list, self.hyperlpr_dir_path)
def recognization_done_slot(self, result_list):
row = result_list[0]
res_set = result_list[1]
self.fill_table_widget_with_res_info(res_set, row)
if row == len(self.image_filename_list) - 1:
total_number = len(self.image_filename_list)
row_count = self.hyperlpr_tableview.rowCount()
if row_count > total_number:
self.hyperlpr_tableview.removeRow(total_number)
self.hyperlpr_tableview.insertRow(total_number)
item0 = QTableWidgetItem()
item0.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(total_number, 0, item0)
self.hyperlpr_tableview.item(
total_number, 0).setText(
"统计结果")
item1 = QTableWidgetItem()
item1.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(total_number, 1, item1)
self.hyperlpr_tableview.item(
total_number, 1).setText(
"{0} / {1} = {2: .3f}".format(self.segmentation_recognition_correct_number,total_number,self.segmentation_recognition_correct_number/total_number))
item2 = QTableWidgetItem()
item2.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(total_number, 2, item2)
item3 = QTableWidgetItem()
item3.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(total_number, 3, item3)
self.hyperlpr_tableview.item(
total_number, 3).setText(
"{0} / {1} = {2: .3f}".format(self.e2e_recognization_correct_number, total_number,
self.e2e_recognization_correct_number / total_number))
item4 = QTableWidgetItem()
item4.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(total_number, 4, item4)
self.hyperlpr_tableview.item(
total_number, 4).setText(
"{0} / {1} = {2: .3f}".format(self.color_correct_number, total_number,
self.color_correct_number / total_number))
item5 = QTableWidgetItem()
item5.setTextAlignment(Qt.AlignCenter)
self.hyperlpr_tableview.setItem(total_number, 5, item5)
def fill_table_widget_with_res_info(self, res_set, row):
image_filename_text = self.image_filename_list[row]
if len(res_set) > 0:
self.hyperlpr_tableview.item(row, 1).setText(res_set[0][0])
if res_set[0][0] in image_filename_text:
self.hyperlpr_tableview.item(
row, 1).setForeground(
QBrush(
QColor(
0, 0, 255)))
self.segmentation_recognition_correct_number += 1
else:
self.hyperlpr_tableview.item(
row, 1).setForeground(
QBrush(
QColor(
255, 0, 0)))
self.hyperlpr_tableview.item(
row, 2).setText(
"%.3f" %
(float(
res_set[0][1])))
self.hyperlpr_tableview.item(row, 3).setText(res_set[0][3])
if res_set[0][3] in image_filename_text:
self.hyperlpr_tableview.item(
row, 3).setForeground(
QBrush(
QColor(
0, 0, 255)))
self.color_correct_number += 1
else:
self.hyperlpr_tableview.item(
row, 3).setForeground(
QBrush(
QColor(
255, 0, 0)))
self.hyperlpr_tableview.item(row, 4).setText(res_set[0][4])
if res_set[0][4] in image_filename_text:
self.hyperlpr_tableview.item(
row, 4).setForeground(
QBrush(
QColor(
0, 0, 255)))
self.e2e_recognization_correct_number += 1
else:
self.hyperlpr_tableview.item(
row, 4).setForeground(
QBrush(
QColor(
255, 0, 0)))
self.hyperlpr_tableview.item(
row, 5).setText(
"%.3f" %
(float(
res_set[0][5])))
if __name__ == '__main__':
app = QApplication(sys.argv)
hyper_lpr_widow = HyperLprWindow()
hyper_lpr_widow.showMaximized()
sys.exit(app.exec_())