随机移动n个图片到另一文件夹
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2022-03-03 19:45:43
#!/usr/bin/env python# -*- coding: utf-8 -*-# @Time :2020/10/12 15:59# @Author :weiz# @ProjectName :yoloProcessedData# @File :randomImagesData.py# @Description :随机抽取数据import osimport randomimport sysimport cv2sys.setrecursion....
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time :2020/10/12 15:59
# @Author :weiz
# @ProjectName :yoloProcessedData
# @File :randomImagesData.py
# @Description :随机抽取数据
import os
import random
import sys
import cv2
sys.setrecursionlimit(1000000) # 设置递归深度,深度越大,要求电脑的内存就越大
class CreateRandomPage:
"""
在区间[begin, end)中随机产出不重复的needCount数
eg:
a = CreateRandomPage(0, -10, 20)
print(a.createRandomPage())
"""
def __init__(self, begin, end, needCount):
if begin > end:
print("There is a problem with the interval size setting!")
self.begin = end
self.end = begin - 1
else:
self.begin = begin
self.end = end - 1
if needCount > (self.end - self.begin):
print("The number generated is greater than the number of interval ranges!")
self.needCount = self.end - self.begin + 1
else:
self.needCount = needCount
self.resultList = []
self.count = 0
def createRandomPage(self):
tempInt = random.randint(self.begin, self.end)
if(self.count < self.needCount):
if(tempInt not in self.resultList):
self.resultList.append(tempInt) #将长生的随机数追加到列表中
self.count += 1
return self.createRandomPage() #在此递归
return self.resultList
def randomImg(srcImagePath, saveImagePath, num, isChangeFilerName=True):
"""
随机在srcImagePath文件中取num个图片放置到saveImagePath中
:param srcImagePath:
:param saveImagePath:
:param num:
:param isChangeFilerName:是否添加图片文件夹的名字
:return:
"""
folderName = srcImagePath.split("/")[-1]
imgsList = os.listdir(srcImagePath)
randomObject = CreateRandomPage(0, len(imgsList), num)
randomNumList = randomObject.createRandomPage()
print(len(randomNumList))
for index in randomNumList:
imgPath = os.path.join(srcImagePath, imgsList[index])
saveImgName = ""
if isChangeFilerName:
tmp = folderName + "_" + imgsList[index].split('.')[0] + ".png"
saveImgName = os.path.join(saveImagePath, tmp)
else:
saveImgName = os.path.join(saveImagePath, imgsList[index])
img = cv2.imread(imgPath)
cv2.imwrite(saveImgName, img)
srcImages = "D:/dataSet/imgs/011"
saveImages = "C:/Users/weiz/Desktop/sourceImages"
if __name__ == "__main__":
randomImg(srcImages, saveImages, 263)
本文地址:https://blog.csdn.net/qq_31112205/article/details/109032579
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