用法：

1. 创建空文件夹：imgs

2. 将倒数第三行中的"222056.mov"改为你的视频路径，如："a.mov"

3. 运行以下代码

4. 稍等片刻，鼠标拖动选择添加马赛克区域，按enter确定(每次操作只能添加一个马赛克区域，视频会根据所选区域全程添加马赛克)

5. 稍等片刻，'a.avi '就是做好的视频文件，！！！注意！！！该视频文件没有音频

展望：

可以结合opencv的图像修复功能实现消除图标，效果比一坨马赛克好上不知几倍！有空再搞……

源码：

import cv2, os

import numpy as np

def video2img(videoroot):

cap = cv2.VideoCapture(videoroot)

isOpened = cap.isOpened # 判断是否打开‘

print(isOpened)

fps = cap.get(cv2.CAP_PROP_FPS) #帧率

width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))

height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))

print(fps,width,height)

i = 0

while(isOpened):

i += 1

(flag,frame) = cap.read() # 读取每一张 flag frame

fileName = './imgs/image'+str(i)+'.jpg'

print(fileName)

if flag == True:

frame = np.rot90(frame, 1)

cv2.imwrite(fileName,frame)

else:

break

return fps

def img2video(outvideoroot, fps):

img = cv2.imread('./imgs/image1.jpg')

imgInfo = img.shape

size = (imgInfo[1],imgInfo[0])

print(size)

fourcc = cv2.VideoWriter_fourcc(*'XVID')

videowriter = cv2.VideoWriter(outvideoroot,fourcc,fps,size)

list_imgs = os.listdir('./imgs')

for i in range(1, len(list_imgs)):

fileName = './imgs/image'+str(i)+'.jpg'

img = cv2.imread(fileName)

videowriter.write(img)

def get_xoy():

imgsroot = './imgs'

list_ = os.listdir(imgsroot)

for n in list_:

path_ = os.path.join(imgsroot, n)

img = cv2.imread(path_)

bbox = cv2.selectROI('selectroi', img)

break

return bbox

def fitsign():

box = get_xoy()

xo, yo, w, h = box[0], box[1],box[2],box[3],

print(box)

dstroot = './imgs'

dstlist = os.listdir(dstroot)

kernel_size = (41, 41)

sigma = 50

for n in dstlist:

path_ = os.path.join(dstroot, n)

img = cv2.imread(path_)

crop = img[yo:yo+h, xo:xo+w, :]

crop = cv2.GaussianBlur(crop, kernel_size, sigma)

# crop = cv2.blur(crop, (41,41))

img[yo:yo+h, xo:xo+w, :] = crop

cv2.imwrite(path_, img)

if __name__ == "__main__":

fps = video2img("222056.mov")

fitsign()

img2video('a.avi', fps)