使用python开发的闭运算调试器

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

python 复制代码
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 np


class ImageDisplayWidget(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()
        self.image = None

    def 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, alignment=Qt.AlignCenter)
        image_view_layout.addWidget(name_label, alignment=Qt.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 button

    def 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 slider

    def 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.shape
            bytes_per_line = ch * w
            q_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:
            return
        kernel_size = self.slider.value()

        if kernel_size %2 == 0:
            pass
        else:
            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.shape
            bytes_per_line = ch * w
            q_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_())
相关推荐
weixin_472339463 小时前
高效处理大体积Excel文件的Java技术方案解析
java·开发语言·excel
枯萎穿心攻击4 小时前
响应式编程入门教程第二节:构建 ObservableProperty<T> — 封装 ReactiveProperty 的高级用法
开发语言·unity·c#·游戏引擎
Eiceblue5 小时前
【免费.NET方案】CSV到PDF与DataTable的快速转换
开发语言·pdf·c#·.net
m0_555762906 小时前
Matlab 频谱分析 (Spectral Analysis)
开发语言·matlab
浪裡遊7 小时前
React Hooks全面解析:从基础到高级的实用指南
开发语言·前端·javascript·react.js·node.js·ecmascript·php
烛阴7 小时前
简单入门Python装饰器
前端·python
lzb_kkk7 小时前
【C++】C++四种类型转换操作符详解
开发语言·c++·windows·1024程序员节
好开心啊没烦恼8 小时前
Python 数据分析:numpy,说人话,说说数组维度。听故事学知识点怎么这么容易?
开发语言·人工智能·python·数据挖掘·数据分析·numpy
面朝大海,春不暖,花不开8 小时前
使用 Python 实现 ETL 流程:从文本文件提取到数据处理的全面指南
python·etl·原型模式
简佐义的博客8 小时前
破解非模式物种GO/KEGG注释难题
开发语言·数据库·后端·oracle·golang