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用来调试闭运算效果的小工具#xff0c;滑动条可以控制滤波核的大小#xff0c;用来查看不同滤波核下的闭运算效果。
效果 代码
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QHBoxLayou… 使用python开发的开运算调试器 简介效果代码 简介
用来调试闭运算效果的小工具滑动条可以控制滤波核的大小用来查看不同滤波核下的闭运算效果。
效果 代码
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QHBoxLayout, QPushButton, QLabel, QFileDialog, QSlider
from PyQt5.QtGui import QPixmap, QImage
from PyQt5.QtCore import Qt
import cv2
import numpy as npclass ImageDisplayWidget(QWidget):def __init__(self):super().__init__()self.initUI()self.image Nonedef initUI(self):self.main_layout QVBoxLayout()self.resize(820, 620)self.open_button self.create_button(打开图片, self.open_image)self.img_win QWidget()img_win_layout QHBoxLayout()self.img_win.setLayout(img_win_layout)self.orgin_img_label QLabel()self.image_label QLabel()self.add_image_view(img_win_layout, 原图, self.orgin_img_label)self.add_image_view(img_win_layout, 处理后的图, self.image_label)self.slider self.create_slider(self.process_image)self.slider2 self.create_slider(self.process_image)self.slider_value_label QLabel(滤波核大小: 0x0)controls_layout QHBoxLayout()self.add_control(controls_layout, 滤波核大小ksize:, self.slider, self.slider_value_label)controls_layout2 QHBoxLayout()self.main_layout.addWidget(self.open_button)self.main_layout.addWidget(self.img_win)self.main_layout.addLayout(controls_layout)self.main_layout.addLayout(controls_layout2)self.setLayout(self.main_layout)self.setWindowTitle(闭运算调试器)self.set_common_style(self.slider_value_label)# self.set_common_style()self.show()def add_image_view(self, layout, label_text, image_label):image_view_layout QVBoxLayout()name_label QLabel(label_text)name_label.setAlignment(Qt.AlignCenter)image_view_layout.addWidget(image_label, alignmentQt.AlignCenter)image_view_layout.addWidget(name_label, alignmentQt.AlignCenter)layout.addLayout(image_view_layout)self.set_common_style(name_label)def create_button(self, text, clicked_slot):button QPushButton(text)button.clicked.connect(clicked_slot)self.set_common_style(button)return buttondef create_slider(self, value_changed_slot):slider QSlider(Qt.Horizontal)slider.setMinimum(1)slider.setMaximum(100)slider.setSingleStep(2)slider.valueChanged.connect(value_changed_slot)self.set_slider_style(slider)return sliderdef add_control(self, layout, label_text, slider, value_label):control_label QLabel(label_text)layout.addWidget(control_label)layout.addWidget(slider)layout.addWidget(value_label)self.set_common_style(control_label)def set_common_style(self, label):label.setStyleSheet( QLabel { font-family: 微软雅黑; font-size: 12pt; color: red; }QPushButton { font-family: 微软雅黑; font-size: 12pt; color: red; } )def set_slider_style(self, slider):slider.setStyleSheet( QSlider::groove:horizontal { background: #999999; height: 8px; margin: 0; border-radius: 4px; } QSlider::handle:horizontal { background: red; border: 1px solid #999999; width: 16px; height: 16px; margin: -7px 0; /* handle is placed in the middle */ border-radius: 8px; } QSlider::add-page:horizontal { background: #FF0000; /* This is the red color from your font color */ } QSlider::sub-page:horizontal { background: #555555; /* You can choose a different color for the filled part */ } )def open_image(self):self.filename, _ QFileDialog.getOpenFileName(self, 打开图片, ., 图片文件 (*.png *.jpg *.jpeg *.bmp))if self.filename:self.image cv2.imread(self.filename)or_img cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB)h, w, ch or_img.shapebytes_per_line ch * wq_img QImage(or_img.data, w, h, bytes_per_line, QImage.Format_RGB888)pixmap QPixmap.fromImage(q_img)if pixmap.width() 600 or pixmap.height() 600:pixmap pixmap.scaled(600, 600, Qt.KeepAspectRatio, Qt.SmoothTransformation)self.orgin_img_label.setPixmap(pixmap)self.process_image()def process_image(self):if self.image is None:returnkernel_size self.slider.value()if kernel_size %2 0:passelse:self.slider_value_label.setText(f矩形核大小: {kernel_size}x{kernel_size})kernel np.ones((kernel_size, kernel_size), np.uint8)processed_image cv2.morphologyEx(self.image, cv2.MORPH_CLOSE, kernel)processed_image cv2.cvtColor(processed_image, cv2.COLOR_BGR2RGB)h, w, ch processed_image.shapebytes_per_line ch * wq_img QImage(processed_image.data, w, h, bytes_per_line, QImage.Format_RGB888)pixmap QPixmap.fromImage(q_img)if pixmap.width() 600 or pixmap.height() 600:pixmap pixmap.scaled(600, 600, Qt.KeepAspectRatio, Qt.SmoothTransformation)self.image_label.setPixmap(pixmap)if __name__ __main__:app QApplication(sys.argv)ex ImageDisplayWidget()sys.exit(app.exec_())
