python实现一个简单的【图像中物体坐标】标注小工具

古城微笑少年丶 2023-01-07 05:59 139阅读 0赞

有时候需要对于数据集进行预处理，通过标注获取坐标信息，再进行后续的操作。使用python能够快速读取图片，并能够通过人工标注，记录一下每个点的横竖坐标，如下记录学习笔记。

**参考链接：[https://lcqbit11.blog.csdn.net/article/details/69951249][https_lcqbit11.blog.csdn.net_article_details_69951249]**

**参考链接：[https://blog.csdn.net/wuzuyu365/article/details/52523061?utm\_medium=distribute.pc\_relevant.none-task-blog-baidujs\_title-2&spm=1001.2101.3001.4242][https_blog.csdn.net_wuzuyu365_article_details_52523061_utm_medium_distribute.pc_relevant.none-task-blog-baidujs_title-2_spm_1001.2101.3001.4242]**

**参考链接：[https://blog.csdn.net/qq\_26697045/article/details/101461525][https_blog.csdn.net_qq_26697045_article_details_101461525]**

**参考链接：[https://www.jb51.net/article/157968.htm][https_www.jb51.net_article_157968.htm]**

# 源码 #

整个目录的结构如下：

根目录

——images：存放图片

——outputs：存放标注坐标信息

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lxbF82MTc1NDAyOTg_size_16_color_FFFFFF_t_70][]

图片存放位置：E:\\Python\\biaozhu\\images\\001（图片仅仅是用来测试的，应存放数据集）

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lxbF82MTc1NDAyOTg_size_16_color_FFFFFF_t_70 1][]

from __future__ import division
    import tkinter as tk
    from tkinter import Frame
    from tkinter import BOTH
    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 = 960, 600  
      
    #指定缩放后的图像大小  
    DEST_SIZE = 960, 600   
      
    class LabelTool():  
        def __init__(self, master):  
            # set up the main frame  
            self.parent = master  
            self.parent.title("图像标注")  
            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("<Button-1>", self.mouseClick)  
            self.mainPanel.bind("<Motion>", self.mouseMove)  
            self.parent.bind("<Escape>", self.cancelBBox)  # press <Espace> 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'E:/Python/get_picture/picture'  
    ##        if not os.path.isdir(s):  
    ##            tkMessageBox.showerror("Error!", message = "The specified dir doesn't exist!")  
    ##            return  
            # get image list  
      
            print('self.category =%d'  %(self.category ) ) 
      
            self.imageDir = os.path.join(r'./images', '%03d' %(self.category))  
            print("imageDir=",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'./outputs', '%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[0,1,2,3]===%.2f, %.2f, %.2f, %.2f" %(float(tmp[0]), float(tmp[1]), float(tmp[2]), float(tmp[3])))  
                #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.insert(END, '(%d, %d) -> (%d, %d)' %(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))  
      
      
        def mouseClick(self, event):  
            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]))  
            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)  
                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.Tk()  
        tool = LabelTool(root)  
        root.mainloop()

# 效果 #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lxbF82MTc1NDAyOTg_size_16_color_FFFFFF_t_70 2][]

由于代码中将路径设置为：

self.imageDir = os.path.join(r'./images', '%03d' %(self.category))  
    print("imageDir=",self.imageDir)

所以，不需要输入001，只需要输入1即可。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lxbF82MTc1NDAyOTg_size_16_color_FFFFFF_t_70 3][]

然后，得到的图像标注坐标为：

![20210115202935980.png][]

[https_lcqbit11.blog.csdn.net_article_details_69951249]: https://lcqbit11.blog.csdn.net/article/details/69951249
[https_blog.csdn.net_wuzuyu365_article_details_52523061_utm_medium_distribute.pc_relevant.none-task-blog-baidujs_title-2_spm_1001.2101.3001.4242]: https://blog.csdn.net/wuzuyu365/article/details/52523061?utm_medium=distribute.pc_relevant.none-task-blog-baidujs_title-2&spm=1001.2101.3001.4242
[https_blog.csdn.net_qq_26697045_article_details_101461525]: https://blog.csdn.net/qq_26697045/article/details/101461525
[https_www.jb51.net_article_157968.htm]: https://www.jb51.net/article/157968.htm
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lxbF82MTc1NDAyOTg_size_16_color_FFFFFF_t_70]: /images/20221119/7660aaf72bc04bff84b14d96fcfb3938.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lxbF82MTc1NDAyOTg_size_16_color_FFFFFF_t_70 1]: /images/20221119/06ef647b0ba244b2ba2d7ace03a75d2f.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lxbF82MTc1NDAyOTg_size_16_color_FFFFFF_t_70 2]: /images/20221119/888baaa844be42079e4bbdcb4854f80a.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lxbF82MTc1NDAyOTg_size_16_color_FFFFFF_t_70 3]: /images/20221119/877fb15b832d41f9882cc8c1cca07119.png
[20210115202935980.png]: /images/20221119/2bbcc05006744bf585285a0bc018161b.png