V1.0

2021年5月30日，于四川大学华西校区。

Author: BennyZhang-Codes

Dicom Viewer/Dicom_Viewer.py

@@ -0,0 +1,247 @@
+# -*- coding: utf-8 -*-
+'''pyrcc5 -o images.py images.qrc'''
+'''pyuic5 window.ui -o main_window.py -x'''
+import os
+import sys
+
+import numpy as np
+from PyQt5.QtWidgets import QMainWindow, QFileDialog, QGraphicsPixmapItem, QGraphicsScene, QListWidgetItem, QApplication, QMessageBox
+from PyQt5.QtGui import QImage, QPixmap, QIcon
+from PyQt5.QtCore import Qt, QSize
+from PyQt5.uic import loadUi
+
+from Read_dcm import Get_dcm_array 
+from Threads import ThreadIconlist
+
+class Mainwindow(QMainWindow):
+    def __init__(self):
+        super(Mainwindow, self).__init__()
+        loadUi(r'./window.ui', self)
+        self.ui_setup()
+        self.state()
+        
+
+    def ui_setup(self):
+        self.widgetsave.setHidden(True)
+        self.verticalScrollBar.setHidden(True)
+        self.widgetLoading.setHidden(True)
+
+    def state(self):
+        self.WL = 30
+        self.WW = 400
+        self.HUscale()
+        self.matrix = 512
+        self.save_format = 'jpg'
+        self.save_path = '.'
+
+
+    def HUscale(self):
+        self.CTmin = self.WL - self.WW//2 + 1024
+        self.CTmax = self.WL + self.WW//2 + 1024
+        if self.CTmin < 0:
+            self.CTmin = 0
+        if self.CTmax > 4095:
+            self.CTmax = 4095
+
+    def IconlistThread(self):
+        self.icon_WW = self.WW
+        self.icon_CTmin = self.CTmin
+        self.icon_CTmax = self.CTmax
+        self.widgetLoading.setVisible(True)
+        self.progressBarLoading.setMaximum(self.dcm_read.len)
+        self.progressBarLoading.setValue(0)
+        self.threadiconlist = ThreadIconlist(self)
+        self.threadiconlist.loading_signal.connect(self.Loadingprogressbar)
+        self.threadiconlist.start()
+
+    def Loadingprogressbar(self, idx):
+        self.progressBarLoading.setValue(idx+1)
+
+    def dcminfo(self):
+        infolines = self.dcm_read.ds.formatted_lines()
+        info = next(infolines)
+        while True:
+            try:
+                infoline = next(infolines)
+                info = info + '\n' + infoline
+            except StopIteration:
+                break
+        self.textBrowser.setText(info)
+
+    def iconlist(self, idx):
+        img = self.dcm_read.getitem(idx)
+        img = np.clip(img, self.icon_CTmin, self.icon_CTmax)
+        img = img.astype(np.int16)
+        img = ((img-self.icon_CTmin)/self.icon_WW)*255
+        img = img.astype(np.int8)
+        image = QImage(img,img.shape[1], img.shape[0],img.shape[1],
+                                QImage.Format_Grayscale8)
+
+        pix = QPixmap.fromImage(image)
+        pix = pix.scaled(128,128, Qt.KeepAspectRatio, Qt.SmoothTransformation)
+
+        item_icon = QListWidgetItem()
+        item_icon.setSizeHint(QSize(150, 150))
+        item_icon.setIcon(QIcon(pix))
+        item_icon.setText(str(idx+1))
+        self.listWidget.addItem(item_icon)
+        self.listWidget.update()
+
+    def itemclicked(self):
+        item = self.listWidget.selectedItems()[0]
+        idx = int(item.text())
+        self.lcdNumber.display(idx)
+        self.verticalScrollBar.setValue(idx)
+        self.draw(idx)
+        
+    def openfolder(self):
+        self.directory = QFileDialog.getExistingDirectory(self,"Choose Folder",r"C:\Users\Administrator\Desktop\\")
+        if os.path.exists(self.directory):  
+            self.dcm_read = Get_dcm_array(self.directory, openobj = 'folder')
+            if self.dcm_read.len:
+                try:
+                    self.enable('folder')
+                    self.draw(1)
+                    self.IconlistThread()
+                except PermissionError:
+                    self.openfolder()
+        
+    def openfile(self):
+        self.file_path, self.file_type = QFileDialog.getOpenFileName(self,"Choose a Dicom file",
+                                                                     r"C:\Users\Administrator\Desktop\\",
+                                                                     "Dicom files(*.dcm);;All files(*.*)")
+        if self.file_path and self.file_type == 'Dicom files(*.dcm)':
+            self.dcm_read = Get_dcm_array(self.file_path, openobj = 'file')
+            self.enable('file')
+            self.draw(1)
+            self.IconlistThread()
+        
+    def set_WW(self, ww):
+        self.WW = ww
+        self.HUscale()
+        self.draw(self.idx)
+
+    def set_WL(self, wl):
+        self.WL = wl
+        self.HUscale()
+        self.draw(self.idx)
+    
+    def set_Matrix(self, matrix):
+        self.matrix = matrix
+        self.draw(self.idx)
+        
+    def draw(self, idx):
+        self.idx = idx
+
+        img = self.dcm_read.getitem(idx-1)
+        img = np.clip(img, self.CTmin, self.CTmax)
+        img = img.astype(np.int16)
+        img = ((img-self.CTmin)/self.WW)*255
+
+        img = img.astype(np.int8)
+
+        image = QImage(img,img.shape[1], img.shape[0],img.shape[1],
+                             QImage.Format_Grayscale8)
+        pix   = QPixmap.fromImage(image)
+        pix = pix.scaled(self.matrix, self.matrix, Qt.KeepAspectRatio, Qt.SmoothTransformation)
+        item  = QGraphicsPixmapItem(pix)  #创建像素图元
+        scene = QGraphicsScene()          #创建场景
+        scene.addItem(item)
+        self.graphicsView.setScene(scene)
+        self.dcminfo()  
+
+    def choose_format(self, idx):
+        format_list = ['jpg', 'png', 'bmp']
+        self.save_format = format_list[idx]
+
+    def selectsavepath(self):
+        self.save_path = QFileDialog.getExistingDirectory(self,"Choose Save Path",r"C:\Users\Administrator\Desktop\\")
+        self.lineEditSavepath.setText(self.save_path)
+
+    def set_savepath(self, path):
+        if os.path.exists(path):    
+            self.save_path = path
+            self.pushButtonsave.setEnabled(True)
+        elif path == '':
+            self.save_path = '.'
+            self.pushButtonsave.setEnabled(True)
+        else:
+            self.pushButtonsave.setEnabled(False)
+
+    def save_image(self):
+        img = self.dcm_read.getitem(self.idx-1)
+        img = np.clip(img, self.CTmin, self.CTmax)
+        img = img.astype(np.int16)
+        img = ((img-self.CTmin)/self.WW)*255
+        img = img.astype(np.int8)
+        image = QImage(img,img.shape[1], img.shape[0],img.shape[1],
+                             QImage.Format_Grayscale8)
+        image.save(r'{}\{}-WW_{}-WL_{}.{}'.format(self.save_path, self.idx, self.WW, self.WL, self.save_format))
+
+    def enable(self, openobj):
+        self.WW = self.dcm_read.WW
+        self.WL = self.dcm_read.WL
+        self.HUscale()
+        
+        self.graphicsView.setEnabled(True)
+
+        self.horizontalSliderMatrix.setEnabled(True)
+
+        self.tabWidget.setEnabled(True)
+        self.listWidget.setEnabled(True)
+        self.textBrowser.setEnabled(True)
+
+        self.horizontalSliderWL.setEnabled(True)
+        self.horizontalSliderWW.setEnabled(True)
+        self.horizontalSliderWW.blockSignals(True)
+        self.horizontalSliderWL.blockSignals(True)
+        self.horizontalSliderWW.setValue(self.WW)
+        self.horizontalSliderWL.setValue(self.WL)
+        self.horizontalSliderWW.blockSignals(False)
+        self.horizontalSliderWL.blockSignals(False)
+
+
+        self.labelmatrix.setEnabled(True)
+        self.labelww.setEnabled(True)
+        self.labelwl.setEnabled(True)
+        self.spinBoxMatrix.setEnabled(True)
+        self.spinBoxWW.setEnabled(True)
+        self.spinBoxWL.setEnabled(True)
+        self.spinBoxWW.setValue(self.WW)
+        self.spinBoxWL.setValue(self.WL)
+
+        self.actionOpen_Dicom_Folder.setEnabled(False)
+        self.actionOpen_Dicom_File.setEnabled(False)
+     
+        self.widgetsave.setVisible(True)
+        if openobj == 'folder':
+            self.lcdNumber.setVisible(True)
+            self.lcdNumber.display(1)
+            self.verticalScrollBar.setVisible(True)
+            self.verticalScrollBar.setEnabled(True)
+            self.verticalScrollBar.setMaximum(self.dcm_read.len)
+            self.verticalScrollBar.setValue(1)
+
+        if openobj == 'file':
+            self.lcdNumber.setHidden(True)
+            self.verticalScrollBar.setHidden(True)
+    
+    def close_confirm(self):
+        reply = QMessageBox.question(self, '退出', '确定退出吗？', QMessageBox.Yes | QMessageBox.Cancel, QMessageBox.Cancel)
+        if reply == QMessageBox.Yes:
+            self.close()
+
+    def about(self):
+        QMessageBox.about(self, 'About', '''Dicom Viewer 1.0    --2021-5-30\n
+本软件仅适用于Dicom文件的浏览和格式转换。\n
+制作者：张金源（Benny）
+邮    箱：[email protected]
+地    点：四川大学华西校区男生院男一舍235
+All Rights Reserved.''')
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    MainWindow = Mainwindow()
+    MainWindow.showMaximized()
+    MainWindow.show()
+    sys.exit(app.exec_())

Dicom Viewer/Editable/MainWindow.py

@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+import os
+
+from pydicom.filereader import dcmread
+
+class Get_dcm_array():
+    ''''''
+    def __init__(self, root, openobj):
+        ''''''
+        self.openobj = openobj
+        self.root = root
+        self.len = 1
+        if openobj == 'folder':
+            self.dcm_list = os.listdir(root)
+            self.dcm_list = [dcm  for dcm in self.dcm_list if dcm[-4:]=='.dcm']
+                          
+            self.len = len(self.dcm_list)
+            self.dcm_list.sort()
+
+        elif openobj == 'file':
+            pass
+        if self.len != 0:
+            self.get_info()
+        
+    def getitem(self, index):
+        '''根据索引获取image'''
+        if self.openobj == 'folder':
+            dcm_name = self.dcm_list[index]
+            dcm_path = self.root + '\\' + dcm_name
+        elif self.openobj == 'file':
+            dcm_path = self.root
+        return self.get_dcm_array(dcm_path)
+
+    def get_ds_and_array(self, index):
+        '''根据索引获取image'''
+        if self.openobj == 'folder':
+            dcm_name = self.dcm_list[index]
+            dcm_path = self.root + '\\' + dcm_name
+        elif self.openobj == 'file':
+            dcm_path = self.root
+        ds = dcmread(dcm_path)
+        return ds, ds.pixel_array
+
+    def get_dcm_array(self, path):
+        '''读取dcm，并转换像素为CT值'''
+        ds = dcmread(path)
+        self.ds = ds
+        return ds.pixel_array
+
+    def get_info(self):
+        if self.openobj == 'folder':
+            path = self.root + '\\' + self.dcm_list[0]
+        elif self.openobj == 'file':
+            path = self.root
+        ds = dcmread(path)
+        self.WL = 40
+        self.WW = 400
+        try:
+            self.WL = int(ds.WindowCenter)
+            self.WW = int(ds.WindowWidth)
+        except ValueError:
+            self.WL = 40
+            self.WW = 400
+        except TypeError:
+            self.WL = int(ds.WindowCenter[0])
+            a = ds.WindowCenter[0]
+            self.WW = int(ds.WindowWidth[0])
+        except:
+            self.WL = 40
+            self.WW = 400
+
+if __name__ == '__main__':
+    path = r'E:\NBIA\L004\LDCT-and-Projection-data\L004\08-21-2018-84608\1.000000-Low Dose Images'
+    dcm_read = Get_dcm_array(path, openobj = 'folder')
+