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main.py
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# -*- coding: utf-8 -*-
# @Time : 2021/4/5 15:45
# @Author : tangxl
# @FileName: main.py
# @Software: PyCharm
"""
主程序
界面定义，图片读取+灰度图转换
"""
import os
import sys
from PyQt5 import QtWidgets, QtCore, QtGui
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
import numpy as np
import cv2
from utils import ToolsGet
from Win2_Convolution import Convolution
from settings import *
# 界面对象 -- project 1 Window
class picture(QMainWindow):
def __init__(self):
super(picture, self).__init__()
# image
self.Image = []
# for show
self.path = './temp/'
if not os.path.exists(self.path):
os.makedirs(self.path)
# window
self.resize(big_window_size[0], big_window_size[1])
self.setWindowTitle('Histogram')
# label1 -- filename
self.label_fiilename = QLabel(self)
self.label_fiilename.setFixedSize(file_name_size[0], file_name_size[1])
self.label_fiilename.move(file_name_loc[0], file_name_loc[1])
self.label_fiilename.setStyleSheet(
"QLabel{background:white}"
"QLabel{color:rgb(20,20,20);font-size:36px;font-weight:bold;font-family:Times New Roman;}")
self.label_filetxt = QLabel(self)
self.label_filetxt.setFixedSize(file_txt_size[0], file_txt_size[1])
self.label_filetxt.move(file_txt_loc[0], file_txt_loc[1])
self.label_filetxt.setStyleSheet(
"QLabel{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
self.label_filetxt.setText('File Name:')
# label2 -- original pic
self.label_OriPic = QLabel(self)
self.label_OriPic.setFixedSize(sub_window_size[0], sub_window_size[1])
self.label_OriPic.move(sub_window_loc_lu[0], sub_window_loc_lu[1])
self.label_OriPic.setStyleSheet(
"QLabel{background:white}"
"QLabel{color:rgb(20,20,20);font-size:36px;font-weight:bold;font-family:Times New Roman;}")
self.label_Oritxt = QLabel(self)
self.label_Oritxt.setFixedSize(label_fixsize[0], label_fixsize[1])
self.label_Oritxt.move(sub_window_loc_lu[0] + title_dis[0], sub_window_loc_lu[1] + title_dis[1]) # +150,-20
self.label_Oritxt.setStyleSheet(
"QLabel{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
self.label_Oritxt.setAlignment(Qt.AlignCenter)
self.label_Oritxt.setText('Original Picture')
# label3 -- Gray pic
self.label_GrayPic = QLabel(self)
self.label_GrayPic.setFixedSize(sub_window_size[0], sub_window_size[1])
self.label_GrayPic.move(sub_window_loc_ru[0], sub_window_loc_ru[1])
self.label_GrayPic.setStyleSheet(
"QLabel{background:white}"
"QLabel{color:rgb(20,20,20);font-size:36px;font-weight:bold;font-family:Times New Roman;}")
self.label_Graytxt = QLabel(self)
self.label_Graytxt.setFixedSize(label_fixsize[0], label_fixsize[1])
self.label_Graytxt.move(sub_window_loc_ru[0]+title_dis[0], sub_window_loc_ru[1]+title_dis[1])
self.label_Graytxt.setStyleSheet(
"QLabel{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
self.label_Graytxt.setAlignment(Qt.AlignCenter)
self.label_Graytxt.setText('Gray Picture')
# label4 -- Histogram
self.label_His = QLabel(self)
self.label_His.setFixedSize(sub_window_size[0], sub_window_size[1])
self.label_His.move(sub_window_loc_ld[0], sub_window_loc_ld[1])
self.label_His.setStyleSheet(
"QLabel{background:white}"
"QLabel{color:rgb(20,20,20);font-size:36px;font-weight:bold;font-family:Times New Roman;}")
self.label_Histxt = QLabel(self)
self.label_Histxt.setFixedSize(label_fixsize[0], label_fixsize[1])
self.label_Histxt.move(sub_window_loc_ld[0]+title_dis[0], sub_window_loc_ld[1]+title_dis[1])
self.label_Histxt.setStyleSheet(
"QLabel{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
self.label_Histxt.setAlignment(Qt.AlignCenter)
self.label_Histxt.setText('Histogram')
# label5 -- Threshold Way
self.label_TH = QLabel(self)
self.label_TH.setFixedSize(sub_window_size[0], sub_window_size[1])
self.label_TH.move(sub_window_loc_rd[0], sub_window_loc_rd[1])
self.label_TH.setStyleSheet(
"QLabel{background:white}"
"QLabel{color:rgb(20,20,20);font-size:36px;font-weight:bold;font-family:Times New Roman;}")
self.label_THtxt = QLabel(self)
self.label_THtxt.setFixedSize(label_fixsize[0], label_fixsize[1])
self.label_THtxt.move(sub_window_loc_rd[0]+title_dis[0], sub_window_loc_rd[1]+title_dis[1])
self.label_THtxt.setStyleSheet(
"QLabel{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
self.label_THtxt.setAlignment(Qt.AlignCenter)
self.label_THtxt.setText('Threshold')
# button ---------------------------------------------------
# button -- quit
btn_q = QPushButton(self)
btn_q.setText('Quit')
btn_q.setStyleSheet(
"QPushButton{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
btn_q.setFixedSize(button_size[0], button_size[1])
btn_q.move(quit_loc[0], quit_loc[1])
btn_q.clicked.connect(QCoreApplication.instance().quit)
# button -- change window
btn_CW = QPushButton(self)
btn_CW.setText('Next: Convolution')
btn_CW.setStyleSheet(
"QPushButton{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
btn_CW.setFixedSize(button_size[0] + 80, button_size[1])
btn_CW.move(quit_loc[0] - 40, quit_loc[1] + button_vertical_dis)
btn_CW.clicked.connect(self.ChangeWin)
button_index = 0
# button -- imread
btn_ir = QPushButton(self)
btn_ir.setText('Open Image')
btn_ir.setStyleSheet(
"QPushButton{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
btn_ir.setFixedSize(button_size[0], button_size[1])
btn_ir.move(start_button_loc[0], start_button_loc[1] + button_index * button_vertical_dis)
btn_ir.clicked.connect(self.openimage)
button_index += 1
thrd_loc = start_button_loc[1]+8*button_vertical_dis
# label6 -- 'Threshold Ways' txt
self.label_THretxt = QLabel(self)
self.label_THretxt.move(start_button_loc[0], thrd_loc+button_index*button_vertical_dis)
self.label_THretxt.setStyleSheet(
"QLabel{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
self.label_THretxt.setFixedSize(label_fixsize[0], label_fixsize[1])
self.label_THretxt.setText('Threshold Ways:')
button_index += 1
# button -- OTSU
btn_OS = QPushButton(self)
btn_OS.setText('OTSU')
btn_OS.setStyleSheet(
"QPushButton{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
btn_OS.setFixedSize(button_size[0], button_size[1])
btn_OS.move(start_button_loc[0], thrd_loc + button_index * button_vertical_dis)
btn_OS.clicked.connect(self.OTSUSET)
button_index += 1
# label7 -- OTSU threshold txt
self.label_OStxt = QLabel(self)
self.label_OStxt.setFixedSize(button_size[0], button_size[1])
self.label_OStxt.move(start_button_loc[0], thrd_loc+button_index*button_vertical_dis-10)
self.label_OStxt.setStyleSheet(
"QLabel{background:white}"
"QLabel{color:rgb(20,20,20);font-size:36px;font-weight:bold;font-family:Times New Roman;}")
button_index += 1
# button -- entropy
btn_En = QPushButton(self)
btn_En.setText('Entropy')
btn_En.setStyleSheet(
"QPushButton{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
btn_En.setFixedSize(button_size[0], button_size[1])
btn_En.move(start_button_loc[0], thrd_loc + button_index * button_vertical_dis)
btn_En.clicked.connect(self.EntroSET)
button_index += 1
# label8 -- Entropy threshold txt
self.label_ETtxt = QLabel(self)
self.label_ETtxt.setFixedSize(button_size[0], button_size[1])
self.label_ETtxt.move(start_button_loc[0], thrd_loc + button_index * button_vertical_dis-10)
self.label_ETtxt.setStyleSheet(
"QLabel{background:white}"
"QLabel{color:rgb(20,20,20);font-size:36px;font-weight:bold;font-family:Times New Roman;}")
button_index += 1
# gray threshold
self.label_GVtxt = QLabel(self)
self.label_GVtxt.move(start_button_loc[0], thrd_loc + button_index * button_vertical_dis)
self.label_GVtxt.setFixedSize(button_size[0], button_size[1])
self.label_GVtxt.setText('Gray Threshold:')
self.label_GVtxt.setStyleSheet(
"QLabel{color:rgb(20,20,20);font-size:36px;font-family:Times New Roman;}")
button_index += 1
# slide -- change the sheld value
sld_Gray = QSlider(Qt.Horizontal, self)
sld_Gray.setFocusPolicy(Qt.NoFocus)
sld_Gray.setFixedSize(button_size[0], button_size[1]/2)
sld_Gray.move(start_button_loc[0], thrd_loc + button_index * button_vertical_dis-10)
sld_Gray.valueChanged[int].connect(self.changeGray)
button_index += 1
# label9 -- gray thresheld show
self.label_GrayValue = QLabel(self)
self.label_GrayValue.setFixedSize(button_size[0], button_size[1])
self.label_GrayValue.move(start_button_loc[0], thrd_loc + button_index * button_vertical_dis-30)
self.label_GrayValue.setStyleSheet(
"QLabel{background:white}"
"QLabel{color:rgb(20,20,20);font-size:36px;font-weight:bold;font-family:Times New Roman;}")
# Function --------------------------------------------------------
def ChangeWin(self):
self.hide()
self.Con = Convolution()
self.Con.show()
# open image button-pushed event
def openimage(self):
imgName, imgType = QFileDialog.getOpenFileName(
self, "Open Image", "", "*.jpg;;*.png;;All Files(*)")
img = QtGui.QPixmap(imgName).scaled(
self.label_OriPic.width(),
self.label_OriPic.height())
Image = cv2.imread(imgName)
# cv2.imshow('Gray', IMQ)
# print(type(Image))
self.label_fiilename.setText(imgName)
self.img_gray = cv2.cvtColor(Image, cv2.COLOR_RGB2GRAY)
# cv img convert to QImage
'''
PyQt5 显示灰度图
用cv去读取图片
通过cv转换为灰度图
从cv转换到QImage-->QPixmap
'''
QApplication.processEvents()
height, width = self.img_gray.shape
bytesPerLine = width
QImg_Gray = QImage(
self.img_gray.data,
width,
height,
bytesPerLine,
QImage.Format_Grayscale8)
pixmap_Gray = QPixmap.fromImage(QImg_Gray)
pixmap_Gray = pixmap_Gray.scaled(
self.label_GrayPic.width(),
self.label_GrayPic.height())
self.label_OriPic.setPixmap(img)
self.label_GrayPic.setPixmap(pixmap_Gray)
# imgGray = RGB2Gray(img)
# self.label_GrayPic.setPixmap(imgGray)
'''
调用His得到灰度直方图
存储，再读出显示在GUI上
'''
ToolsGet.His(self.img_gray, self.path+'/his.png')
Hisimg = cv2.imread(self.path+'/his.png')
# cv2.imshow('H',Hisimg)
Hisheight, Hiswidth, HisbytesPerComponent = Hisimg.shape
HisbytesPerLine = 3 * Hiswidth
Hisimg = cv2.cvtColor(Hisimg, cv2.COLOR_BGR2RGB)
QImg_His = QImage(
Hisimg.data,
Hiswidth,
Hisheight,
HisbytesPerLine,
QImage.Format_RGB888)
pixmap_His = QPixmap.fromImage(QImg_His)
pixmap_His = pixmap_His.scaled(
self.label_His.width(),
self.label_His.height())
self.label_His.setPixmap(pixmap_His)
# change the slide value then change the gray sheld
# value: 0-100
def changeGray(self, value):
# show text
self.Gray = int(value / 100 * 258)
self.label_GrayValue.setText(str(self.Gray))
# get image
# Gc -- Gray change
imgtemp = self.img_gray
otsu, GcImage = cv2.threshold(
imgtemp, self.Gray, 255, cv2.THRESH_BINARY)
Gcheight, Gcwidth = GcImage.shape
GcBytesPerLine = Gcwidth
QImg_Gc = QImage(
GcImage.data,
Gcwidth,
Gcheight,
GcBytesPerLine,
QImage.Format_Grayscale8)
pixmap_Gc = QPixmap.fromImage(QImg_Gc)
pixmap_Gc = pixmap_Gc.scaled(
self.label_TH.width(),
self.label_TH.height())
self.label_TH.setPixmap(pixmap_Gc)
self.label_THtxt.setText('Threshold')
# OTSU button pushed and get the result and show
# OS = OTSU
def OTSUSET(self):
self.label_GrayValue.setText("")
T = ToolsGet.OTSU(self.img_gray)
self.label_OStxt.setText(str(T))
ot, OSimg = cv2.threshold(self.img_gray, T, 255, cv2.THRESH_BINARY)
QApplication.processEvents()
OSheight, OSwidth = OSimg.shape
OSBytesPerLine = OSwidth
Qimg_OS = QImage(
OSimg.data,
OSwidth,
OSheight,
OSBytesPerLine,
QImage.Format_Grayscale8)
pixmap_OS = QPixmap.fromImage(Qimg_OS)
pixmap_OS = pixmap_OS.scaled(
self.label_TH.width(),
self.label_TH.height())
self.label_TH.setPixmap(pixmap_OS)
self.label_THtxt.setText('OTSU')
# Entropy button pushed and get the result and show
# EN = Entropy
def EntroSET(self):
T = ToolsGet.Entropy(self.img_gray)
self.label_ETtxt.setText(str(T))
ot, ENimg = cv2.threshold(self.img_gray, T, 255, cv2.THRESH_BINARY)
QApplication.processEvents()
ENheight, ENwidth = ENimg.shape
ENBytesPerLine = ENwidth
Qimg_EN = QImage(
ENimg.data,
ENwidth,
ENheight,
ENBytesPerLine,
QImage.Format_Grayscale8)
pixmap_EN = QPixmap.fromImage(Qimg_EN)
pixmap_EN = pixmap_EN.scaled(
self.label_TH.width(),
self.label_TH.height())
self.label_TH.setPixmap(pixmap_EN)
self.label_THtxt.setText('Entropy')
if __name__ == "__main__":
# QtCore.QCoreApplication.setLibraryPaths("")
app = QtWidgets.QApplication(sys.argv)
my = picture()
my.show()
sys.exit(app.exec_())