简易的图像点标注工具

实现：python tkinter

参考文献：https://blog.csdn.net/wuzuyu365/article/details/52523061

该文献提供的代码可以用来标注框，我在改代码的基础上修改为保存点的标注工具~

效果展示：

文件目录--

目录结构：图片目录名images, 标签目录名labels，图像目录下各类别目录名要以001,002,003,...的格式命名

双击标点--

保存结果 --

代码--

# -*- coding:utf-8 -*-
#-------------------------------------------------------------------------------
# Name:        Object points label tool
# Purpose:     Label object points for ImageNet Detection data
# Author:      YueHe
# Created:     02/22/2019
# Refer:       
#
#-------------------------------------------------------------------------------
from __future__ import division
from tkinter import *
import tkinter.messagebox
from PIL import Image, ImageTk
import os
import glob
import random
 
w0 = 1; #图片原始宽度
h0 = 1; #图片原始高度
 
# colors for the bboxes
COLORS = ['red', 'blue', 'yellow', 'pink', 'cyan', 'green', 'black']
# image sizes for the examples
SIZE = 3101, 1150
 
#指定缩放后的图像大小
DEST_SIZE = 1000, 500 

def drawCircle(self, x, y, r, **kwargs):
    return self.create_oval(x-r, y-r, x+r, y+r, **kwargs)

class LabelTool():
    def __init__(self, master):
        # set up the main frame
        self.parent = master
        self.parent.title("LabelTool")
        self.frame = Frame(self.parent)
        self.frame.pack(fill=BOTH, expand=1)
        self.parent.resizable(width = TRUE, height = TRUE)
 
        # initialize global state
        self.imageDir = ''
        self.imageList= []
        self.egDir = ''
        self.egList = []
        self.outDir = ''
        self.cur = 0
        self.total = 0
        self.category = 0
        self.imagename = ''
        self.labelfilename = ''
        self.tkimg = None
 
        # initialize mouse state
        self.STATE = {}
        self.STATE['click'] = 0
        self.STATE['x'], self.STATE['y'] = 0, 0
 
        # reference to bbox
        self.bboxIdList = []
        self.bboxId = None
        self.bboxList = []
        self.hl = None
        self.vl = None
 
        # ----------------- GUI stuff ---------------------
        # dir entry & load
        self.label = Label(self.frame, text = "Image Dir:")
        self.label.grid(row = 0, column = 0, sticky = E)
        self.entry = Entry(self.frame)
        self.entry.grid(row = 0, column = 1, sticky = W+E)
        self.ldBtn = Button(self.frame, text = "Load", command = self.loadDir)
        self.ldBtn.grid(row = 0, column = 2, sticky = W+E)
 
        # main panel for labeling
        self.mainPanel = Canvas(self.frame, cursor='tcross')
        self.mainPanel.bind("", self.mouseClick)
        self.mainPanel.bind("", self.mouseMove)
        self.parent.bind("", self.cancelBBox)  # press  to cancel current bbox
        self.parent.bind("s", self.cancelBBox)
        self.parent.bind("a", self.prevImage) # press 'a' to go backforward
        self.parent.bind("d", self.nextImage) # press 'd' to go forward
        self.mainPanel.grid(row = 1, column = 1, rowspan = 4, sticky = W+N)
 
        # showing bbox info & delete bbox
        self.lb1 = Label(self.frame, text = 'Bounding boxes:')
        self.lb1.grid(row = 1, column = 2,  sticky = W+N)
	 
        self.listbox = Listbox(self.frame, width = 28, height = 12)
        self.listbox.grid(row = 2, column = 2, sticky = N)
 
        self.btnDel = Button(self.frame, text = 'Delete', command = self.delBBox)
        self.btnDel.grid(row = 3, column = 2, sticky = W+E+N)
        self.btnClear = Button(self.frame, text = 'ClearAll', command = self.clearBBox)
        self.btnClear.grid(row = 4, column = 2, sticky = W+E+N)
	 
        # control panel for image navigation
        self.ctrPanel = Frame(self.frame)
        self.ctrPanel.grid(row = 5, column = 1, columnspan = 2, sticky = W+E)
        self.prevBtn = Button(self.ctrPanel, text='<< Prev', width = 10, command = self.prevImage)
        self.prevBtn.pack(side = LEFT, padx = 5, pady = 3)
        self.nextBtn = Button(self.ctrPanel, text='Next >>', width = 10, command = self.nextImage)
        self.nextBtn.pack(side = LEFT, padx = 5, pady = 3)
        self.progLabel = Label(self.ctrPanel, text = "Progress:     /    ")
        self.progLabel.pack(side = LEFT, padx = 5)
        self.tmpLabel = Label(self.ctrPanel, text = "Go to Image No.")
        self.tmpLabel.pack(side = LEFT, padx = 5)
        self.idxEntry = Entry(self.ctrPanel, width = 5)
        self.idxEntry.pack(side = LEFT)
        self.goBtn = Button(self.ctrPanel, text = 'Go', command = self.gotoImage)
        self.goBtn.pack(side = LEFT)
 
        # example pannel for illustration
        self.egPanel = Frame(self.frame, border = 10)
        self.egPanel.grid(row = 1, column = 0, rowspan = 5, sticky = N)
        self.tmpLabel2 = Label(self.egPanel, text = "Examples:")
        self.tmpLabel2.pack(side = TOP, pady = 5)
	 
        self.egLabels = []
        for i in range(3):
            self.egLabels.append(Label(self.egPanel))
            self.egLabels[-1].pack(side = TOP)
 
        # display mouse position
        self.disp = Label(self.ctrPanel, text='')
        self.disp.pack(side = RIGHT)
 
        self.frame.columnconfigure(1, weight = 1)
        self.frame.rowconfigure(4, weight = 1)
 
        # for debugging
##        self.setImage()
##        self.loadDir()
 
  
    def loadDir(self, dbg = False):
        if not dbg:
            s = self.entry.get()
            self.parent.focus()
            self.category = int(s)
        else:
            s = r'D:\python_code\seg_image'
        print ('self.category =%d'%(self.category))
        
        self.imageDir = os.path.join(r'./images', '%03d' %(self.category))
        print(self.imageDir)
        self.imageList = glob.glob(os.path.join(self.imageDir, '*.jpg'))
        if len(self.imageList) == 0:
            print ('No .jpg images found in the specified dir!')
            return
        else:
            print ("num=%d"%(len(self.imageList)))
 
        # default to the 1st image in the collection
        self.cur = 1
        self.total = len(self.imageList)
 
         # set up output dir
        self.outDir = os.path.join(r'./labels', '%03d' %(self.category))
        if not os.path.exists(self.outDir):
            os.mkdir(self.outDir)
 
        # load example bboxes
        self.egDir = os.path.join(r'./Examples', '%03d' %(self.category))
        # if not os.path.exists(self.egDir):
        #    return
 
        filelist = glob.glob(os.path.join(self.egDir, '*.jpg'))
        self.tmp = []
        self.egList = []
        random.shuffle(filelist)
        for (i, f) in enumerate(filelist):
            if i == 3:
                break
            im = Image.open(f)
            r = min(SIZE[0] / im.size[0], SIZE[1] / im.size[1])
            new_size = int(r * im.size[0]), int(r * im.size[1])
            self.tmp.append(im.resize(new_size, Image.ANTIALIAS))
            self.egList.append(ImageTk.PhotoImage(self.tmp[-1]))
            self.egLabels[i].config(image = self.egList[-1], width = SIZE[0], height = SIZE[1])
 
        self.loadImage()
        print ('%d images loaded from %s' %(self.total, s))
 
 
    def loadImage(self):
        # load image
        imagepath = self.imageList[self.cur - 1]
        pil_image = Image.open(imagepath)
        # get the size of the image
        #获取图像的原始大小
        global w0,h0
        w0, h0 = pil_image.size
        
        # 缩放到指定大小
        pil_image = pil_image.resize((DEST_SIZE[0], DEST_SIZE[1]), Image.ANTIALIAS)
 
	    #pil_image = imgresize(w, h, w_box, h_box, pil_image)
        self.img =  pil_image
 
        self.tkimg = ImageTk.PhotoImage(pil_image)
 
        self.mainPanel.config(width = max(self.tkimg.width(), 400), height = max(self.tkimg.height(), 400)) 
        self.mainPanel.create_image(0, 0, image = self.tkimg, anchor=NW)
        self.progLabel.config(text = "%04d/%04d" %(self.cur, self.total))
 
        # load labels
        self.clearBBox()
        self.imagename = os.path.split(imagepath)[-1].split('.')[0]
        labelname = self.imagename + '.txt'
        self.labelfilename = os.path.join(self.outDir, labelname)
        bbox_cnt = 0
        if os.path.exists(self.labelfilename):
            with open(self.labelfilename) as f:
                for (i, line) in enumerate(f):
                    if i == 0:
                        bbox_cnt = int(line.strip())
                        continue
                    print (line)
                    tmp = [(t.strip()) for t in line.split()]
                    
                    print("********************")
                    print(DEST_SIZE)
                    #tmp = (0.1, 0.3, 0.5, 0.5)
                    print ("tmp[0,1]===%.2f, %.2f" %(float(tmp[0]), float(tmp[1])))
                    #print "%.2f,%.2f,%.2f,%.2f" %(tmp[0] tmp[1] tmp[2] tmp[3] )
		     
                    print ("********************")
 
		            #tx = (10, 20, 30, 40)	
                    #self.bboxList.append(tuple(tx))
                    self.bboxList.append(tuple(tmp))
                    tmp[0] = float(tmp[0])	   
                    tmp[1] = float(tmp[1])
                    # tmp[2] = float(tmp[2])	   
                    # tmp[3] = float(tmp[3])
        
                    tx0 = int(tmp[0]*DEST_SIZE[0])
                    ty0 = int(tmp[1]*DEST_SIZE[1])
        
                    # tx1 = int(tmp[2]*DEST_SIZE[0])
                    # ty1 = int(tmp[3]*DEST_SIZE[1])
                    # print ("tx0, ty0, tx1, ty1")
                    # print (tx0, ty0, tx1, ty1)
 
			
                    # tmpId = self.mainPanel.create_rectangle(tx0, ty0, tx1, ty1,\
                    #                                         width = 2, \
                    #                                         outline = COLORS[(len(self.bboxList)-1) % len(COLORS)])
 
	             
                    # self.bboxIdList.append(tmpId)
                    # self.listbox.insert(END, '(%.2f,%.2f)-(%.2f,%.2f)' %(tmp[0], tmp[1], tmp[2], tmp[3]))
                    # self.listbox.itemconfig(len(self.bboxIdList) - 1, fg = COLORS[(len(self.bboxIdList) - 1) % len(COLORS)])
 
    def saveImage(self):
        #print "-----1--self.bboxList---------"
        print (self.bboxList )
        #print "-----2--self.bboxList---------"
 
        with open(self.labelfilename, 'w') as f:
            f.write('%d\n' %len(self.bboxList))
            for bbox in self.bboxList: 
                f.write(' '.join(map(str, bbox)) + '\n')
        print ('Image No. %d saved' %(self.cur))
 
    # 鼠标事件
    def mouseClick(self, event):
        if self.STATE['click'] == 0:
            self.STATE['x'], self.STATE['y'] = event.x, event.y
        else:
            x1 = self.STATE['x']
            y1 =self.STATE['y']
            
            x1 = x1/DEST_SIZE[0]
            y1 = y1/DEST_SIZE[1]
 
            self.bboxList.append((x1, y1))
            self.bboxIdList.append(self.bboxId)
            self.bboxId = None
            self.listbox.insert(END, 'loc:(%.2f, %.2f)' %(x1, y1))
            self.listbox.itemconfig(len(self.bboxIdList) - 1, fg = COLORS[(len(self.bboxIdList) - 1) % len(COLORS)])
            drawCircle(self.mainPanel,self.STATE['x'],self.STATE['y'], 5, fill = COLORS[(len(self.bboxIdList) - 1) % len(COLORS)])
        self.STATE['click'] = 1 - self.STATE['click']
        
        # 保存检测框的鼠标事件
        # if self.STATE['click'] == 0:
        #     self.STATE['x'], self.STATE['y'] = event.x, event.y
        # else:
        #     x1, x2 = min(self.STATE['x'], event.x), max(self.STATE['x'], event.x)
        #     y1, y2 = min(self.STATE['y'], event.y), max(self.STATE['y'], event.y)
            
        #     x1, x2 = x1/DEST_SIZE[0], x2/DEST_SIZE[0]
        #     y1, y2 = y1/DEST_SIZE[1], y2/DEST_SIZE[1]
 
        #     self.bboxList.append((x1, y1, x2, y2))
        #     self.bboxIdList.append(self.bboxId)
        #     self.bboxId = None
        #     self.listbox.insert(END, '(%.2f, %.2f)-(%.2f, %.2f)' %(x1, y1, x2, y2))
        #     self.listbox.itemconfig(len(self.bboxIdList) - 1, fg = COLORS[(len(self.bboxIdList) - 1) % len(COLORS)])
        # self.STATE['click'] = 1 - self.STATE['click']
 
    def mouseMove(self, event):
        self.disp.config(text = 'x: %.2f, y: %.2f' %(event.x/DEST_SIZE[0], event.y/DEST_SIZE[1])) # 鼠标移动时显示当前位置的坐标
        # 如果有图像的话，当移动鼠标时，展示十字线用来定位
        if self.tkimg:
            if self.hl:
                self.mainPanel.delete(self.hl)
            self.hl = self.mainPanel.create_line(0, event.y, self.tkimg.width(), event.y, width = 2)
            if self.vl:
                self.mainPanel.delete(self.vl)
            self.vl = self.mainPanel.create_line(event.x, 0, event.x, self.tkimg.height(), width = 2)
        
        # if 1 == self.STATE['click']:
        #     if self.bboxId:
        #         self.mainPanel.delete(self.bboxId)
            # drawCircle(self.mainPanel,self.STATE['x'],self.STATE['y'], 5, fill = COLORS[(len(self.bboxList)-1) % len(COLORS)])
            # 画框
            # self.bboxId = self.mainPanel.create_rectangle(self.STATE['x'], self.STATE['y'], \
            #                                                 event.x, event.y, \
            #                                                 width = 2, \
            #                                                 outline = COLORS[len(self.bboxList) % len(COLORS)])
 
    def cancelBBox(self, event):
        if 1 == self.STATE['click']:
            if self.bboxId:
                self.mainPanel.delete(self.bboxId)
                self.bboxId = None
                self.STATE['click'] = 0
 
    def delBBox(self):
        sel = self.listbox.curselection()
        if len(sel) != 1 :
            return
        idx = int(sel[0])
        self.mainPanel.delete(self.bboxIdList[idx])
        self.bboxIdList.pop(idx)
        self.bboxList.pop(idx)
        self.listbox.delete(idx)
 
    def clearBBox(self):
        for idx in range(len(self.bboxIdList)):
            self.mainPanel.delete(self.bboxIdList[idx])
        self.listbox.delete(0, len(self.bboxList))
        self.bboxIdList = []
        self.bboxList = []
 
    def prevImage(self, event = None):
        self.saveImage()
        if self.cur > 1:
            self.cur -= 1
            self.loadImage()
 
    def nextImage(self, event = None):
        self.saveImage()
        if self.cur < self.total:
            self.cur += 1
            self.loadImage()
 
    def gotoImage(self):
        idx = int(self.idxEntry.get())
        if 1 <= idx and idx <= self.total:
            self.saveImage()
            self.cur = idx
            self.loadImage()
 
##    def setImage(self, imagepath = r'test2.png'):
##        self.img = Image.open(imagepath)
##        self.tkimg = ImageTk.PhotoImage(self.img)
##        self.mainPanel.config(width = self.tkimg.width())
##        self.mainPanel.config(height = self.tkimg.height())
##        self.mainPanel.create_image(0, 0, image = self.tkimg, anchor=NW)
 
    def imgresize(w, h, w_box, h_box, pil_image):
        '''
        resize a pil_image object so it will fit into
        a box of size w_box times h_box, but retain aspect ratio
        '''
        f1 = 1.0*w_box/w # 1.0 forces float division in Python2
        f2 = 1.0*h_box/h
        factor = min([f1, f2])
        #print(f1, f2, factor) # test
        # use best down-sizing filter
        width = int(w*factor)
        height = int(h*factor)
        return pil_image.resize((width, height), Image.ANTIALIAS)
 
 
if __name__ == '__main__':
    root = Tk()
    tool = LabelTool(root)
    root.mainloop()

如果我所作的工作对您有益或者解决了您的实际问题，欢迎您通过扫码进行打赏支持，靴靴泥萌呢~~~~