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Author SHA1 Message Date
56e7347c01 6666666 2025-09-04 01:50:49 +08:00

45
main.py
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@ -3,7 +3,7 @@ import cv2
import numpy as np
from PyQt5.QtWidgets import (
QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout,
QLabel, QPushButton, QScrollArea, QFrame, QSizePolicy
QLabel, QPushButton, QScrollArea, QFrame, QSizePolicy,QFileDialog
)
from PyQt5.QtCore import QTimer, Qt, pyqtSignal, QThread
from PyQt5.QtGui import QImage, QPixmap, QFont, QPainter, QPen, QColor
@ -206,7 +206,12 @@ class MainWindow(QMainWindow):
self.start_button.clicked.connect(self.start_camera)
self.stop_button.clicked.connect(self.stop_camera)
self.stop_button.setEnabled(False)
self.btn_image = QPushButton('选择图片')
self.btn_video = QPushButton('选择视频')
self.btn_image.clicked.connect(self.open_image_file)
self.btn_video.clicked.connect(self.open_video_file)
button_layout.addWidget(self.btn_image)
button_layout.addWidget(self.btn_video)
button_layout.addWidget(self.start_button)
button_layout.addWidget(self.stop_button)
button_layout.addStretch()
@ -425,6 +430,42 @@ class MainWindow(QMainWindow):
if self.camera_thread:
self.camera_thread.stop_camera()
event.accept()
def open_image_file(self):
file_path, _ = QFileDialog.getOpenFileName(self, '选择图片', '', '图片文件 (*.jpg *.png)')
if file_path:
image = cv2.imread(file_path)
self.process_image(image)
def open_video_file(self):
file_path, _ = QFileDialog.getOpenFileName(self, '选择视频', '', '视频文件 (*.mp4 *.avi)')
if file_path:
self.cap = cv2.VideoCapture(file_path)
self.video_timer = QTimer()
self.video_timer.timeout.connect(self.process_video_frame)
self.video_timer.start(30)
def process_image(self, image):
self.detections = self.detector.detect_license_plates(image)
display_image = self.draw_detections(image.copy())
self.display_static_image(display_image)
self.update_results_display()
def process_video_frame(self):
ret, frame = self.cap.read()
if ret:
self.process_image(frame)
else:
self.video_timer.stop()
self.cap.release()
def display_static_image(self, image):
rgb_image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
h, w, ch = rgb_image.shape
bytes_per_line = ch * w
qt_image = QImage(rgb_image.data, w, h, bytes_per_line, QImage.Format_RGB888)
pixmap = QPixmap.fromImage(qt_image)
self.camera_label.setPixmap(pixmap.scaled(self.camera_label.size(), Qt.KeepAspectRatio))
def main():
app = QApplication(sys.argv)