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python复制图片函数 python复制图片到另一个文件夹( 三 )

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filename3=str(number)+'n3'+'.jpg' #打印第number张图片+增值方式+保存类型
cv2.imwrite(savedpath + filename3, img_left)
"""
# 数据增强实现
"""
import cv2
import numpy as np
import os
# 图像平移
def img_translation(image):
# 图像平移 下、上、右、左平移
M = np.float32([[1, 0, 0], [0, 1, 100]])
img_down = cv2.warpAffine(image, M, (image.shape[1], image.shape[0]))
M = np.float32([[1, 0, 0], [0, 1, -100]])
img_up = cv2.warpAffine(image, M, (image.shape[1], image.shape[0]))
M = np.float32([[1, 0, 100], [0, 1, 0]])
img_right = cv2.warpAffine(image, M, (image.shape[1], image.shape[0]))
M = np.float32([[1, 0, -100], [0, 1, 0]])
img_left = cv2.warpAffine(image, M, (image.shape[1], image.shape[0]))
# 保存图片python复制图片函数，需要保存上述的哪一图片python复制图片函数 ， 就在cv2.imwrite()中python复制图片函数，将哪一图片名放入 。
# filename='xxx' +'.jpeg'
# cv2.imwrite(savedpath + filename, img_left)
# 显示图形
cv2.imshow("down", img_down)
filename0=str(number)+'n0'+'.jpg'
cv2.imwrite(savedpath + filename0, img_down)
cv2.imshow("up", img_up)
filename1=str(number)+'n1'+'.jpg'
cv2.imwrite(savedpath + filename1, img_up)
cv2.imshow("right", img_right)
filename2=str(number)+'n2'+'.jpg'
cv2.imwrite(savedpath + filename2, img_right)
cv2.imshow("left", img_left)
filename3=str(number)+'n3'+'.jpg'
cv2.imwrite(savedpath + filename3, img_left)
# 图像缩放
def img_scale(image):
result = cv2.resize(image, (224, 224))
cv2.imshow("scale", result)
filename=str(number)+'n5'+'.jpg'
cv2.imwrite(savedpath + filename, result)
# 图像翻转
def img_flip(image):
# 0以X轴为对称轴翻转,0以Y轴为对称轴翻转, 0X轴Y轴翻转
horizontally = cv2.flip(image, 0)# 水平镜像
vertically = cv2.flip(image, 1)# 垂直镜像
hv = cv2.flip(image, -1)# 水平垂直镜像
# 显示图形
cv2.imshow("Horizontally", horizontally)
filename1=str(number)+'n6'+'.jpg'
cv2.imwrite(savedpath + filename1, horizontally)
cv2.imshow("Vertically", vertically)
filename2=str(number)+'n7'+'.jpg'
cv2.imwrite(savedpath + filename2, vertically)
cv2.imshow("HorizontallyVertically", hv)
filename3=str(number)+'n8'+'.jpg'
cv2.imwrite(savedpath + filename3, hv)
# 图像旋转
def img_rotation(image):
# 原图的高、宽 以及通道数
rows, cols, channel = image.shape
# 绕图像的中心旋转
# 参数：旋转中心 旋转度数 scale
M = cv2.getRotationMatrix2D((cols / 2, rows / 2), 30, 1)
# 参数：原始图像 旋转参数 元素图像宽高
rotated = cv2.warpAffine(image, M, (cols, rows))
# 显示图像
cv2.imshow("rotated", rotated)
filename1=str(number)+'n9'+'.jpg'
cv2.imwrite(savedpath + filename1, rotated)
#选装60度
W = cv2.getRotationMatrix2D((cols / 2, rows / 2), 60, 1)
# 参数：原始图像 旋转参数 元素图像宽高
rotated1 = cv2.warpAffine(image, W, (cols, rows))
cv2.imshow("rotated", rotated)
filename2=str(number)+'n12'+'.jpg'
cv2.imwrite(savedpath + filename2, rotated1)
#选装145度
W = cv2.getRotationMatrix2D((cols / 2, rows / 2), 60, 1)
# 参数：原始图像 旋转参数 元素图像宽高
rotated2 = cv2.warpAffine(image, W, (cols, rows))
cv2.imshow("rotated", rotated)
filename3=str(number)+'n13'+'.jpg'
cv2.imwrite(savedpath + filename3, rotated2)
# 图像加噪
def img_noise(image, mean=0, var=0.001):
'''
添加高斯噪声
mean : 均值
var : 方差
'''
image = np.array(image / 255, dtype=float)
noise = np.random.normal(mean, var ** 0.5, image.shape)

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