ImageMake

import numpy as np    from math import *    import sys    import os    import glob    import argparse    import cv2 as cv   import kerasimport randomfrom matplotlib import pyplot as pltdef onmouse(event, x, y, flags, param):#鼠标事件响应函数        global drag_start, sel, lab, sets, count     if event == cv.EVENT_LBUTTONDOWN:#左键按下时记录当前初始坐标，并初始化矩形sel            drag_start = x, y            sel = 0,0,0,0           sam=0,0,0,0           if count==100:            lab+=1        if count==200:            lab+=1        if count>=300:            print('over all')        count+=1    elif event == cv.EVENT_LBUTTONUP:#鼠标左键叹弹起时响应            if sel[2] > sel[0] and sel[3] > sel[1]:#判断右下角坐标是否大于左上角               mid=int((sel[1]+sel[3])/2),int((sel[0]+sel[2])/2)            sam=mid[0]-14,mid[1]-14,mid[0]+14,mid[1]+14            patch = gray[sam[0]:sam[2],sam[1]:sam[3]]#取矩形区域内像素作为patch图像              target = cv.cvtColor(patch, cv.COLOR_GRAY2BGR)#取矩形区域内原始像素截取图像             #sets.append([target,int(input('lab:'))])            sets.append([target,lab])            print(target.shape,sam,count,lab,sam[0],sam[1],sam[2],sam[3])            np.save('cloud',sets)            #plt.imsave('sample.jpg',target)        drag_start = None        elif drag_start:            #print flags            if flags & cv.EVENT_FLAG_LBUTTON:#取当前坐标与初始坐标较小的为矩形坐标左上，较大的为右下                minpos = min(drag_start[0], x), min(drag_start[1], y)                maxpos = max(drag_start[0], x), max(drag_start[1], y)                sel = minpos[0], minpos[1], maxpos[0], maxpos[1]                img = cv.cvtColor(gray, cv.COLOR_GRAY2BGR)                cv.rectangle(img, (sel[0], sel[1]), (sel[2], sel[3]), (0,255,255), 1)                #print(sel[0],sel[1],sel[2],sel[3])            cv.imshow("gray", img)            else:                print ("selection is complete" )            drag_start = None    drag_start = None#全局变量取方块鼠标拖拽时使用    sel = (0,0,0,0)#全局变量 长方形左上颌右下定点坐标存储    lab=0sets=[]  count=0#filename = 'HC421.jpg'   filename = 'up.jpg'   cv.namedWindow("gray",1) # 第二个参数　１窗口固定；２窗口可调整   cv.setMouseCallback("gray", onmouse)     ext = os.path.splitext(filename)[1][1:] #get the filename extenstion    if ext == "png" or ext == "jpg" or ext == "bmp" or ext == "tiff" or ext == "pbm":        print (filename )       img=cv.imread(filename,1)        sel = (0,0,0,0)        drag_start = None        gray=cv.cvtColor(img, cv.COLOR_BGR2GRAY)        cv.imshow("gray",gray)        cv.waitKey(0)cv.destroyAllWindows()