python生成图片

添加噪声和滤波

from PIL import Image,ImageDraw,ImageFont
from text_renderer_master.libs.config import load_config
from text_renderer_master.textrenderer.noiser import Noiser
from utils2 import create_repeat_number
import cv2
import random
import numpy as np
import gevent
import math
from gevent import monkeydef add_noise_blur(filename):"""添加噪声和滤波:param filename::return:"""im_new = cv2.imdecode(np.fromfile('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename, dtype=np.uint8), cv2.IMREAD_GRAYSCALE)cfg = load_config('./text_renderer_master/configs/default.yaml')noise = Noiser(cfg)im_new = noise.apply(im_new)num = [0, 1, 2]random_num = num[random.randint(0, 2)]if random_num == 0:cv2.imwrite('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename, im_new)elif random_num == 1:ks = [3, 5]ksize = random.choice(ks)sigmas = [0, 1, 2, 3, 4, 5, 6, 7]sigma = 0if ksize <= 3:sigma = random.choice(sigmas)im_new = cv2.GaussianBlur(im_new, (ksize, ksize), sigma)cv2.imwrite('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename, im_new)else:ks = [2, 3]kernel = random.choice(ks)im_new = cv2.blur(im_new, (kernel, kernel))cv2.imwrite('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename, im_new)

修改图片size

def resize_img(filename):"""修改图片size:param filename::return:"""img = cv2.imread('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename)scale = 4 / 7new_img = cv2.resize(img, None, fx=scale, fy=scale, interpolation=cv2.INTER_AREA)cv2.imwrite('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename, new_img)

生成图片并写上内容

def create_square_image(num):im = Image.open('templates/square_template2.jpg')draw = ImageDraw.Draw(im)font_type1 = ['font/simfang.ttf', 'font/simhei.ttf', 'font/simkai.ttf', 'font/simsun.ttc']font_type2 = ['font/arial.ttf', 'font/ARIALN.TTF', 'font/calibri.ttf', 'font/tahoma.ttf', 'font/times.ttf', 'font/simfang.ttf', 'font/simsun.ttc']ttfont1 = ImageFont.truetype(font_type1[random.randint(0, len(font_type1) - 1)], 22)ttfont2 = ImageFont.truetype(font_type2[random.randint(0, len(font_type2) - 1)], 30)x = random.randint(30, 180)y = random.randint(0, 17)content = '%09d'%random.randint(0, 999999999)draw.text((x, y), content, fill='black', font=ttfont2)filename = 'img_' + str(num) + '.jpg'im.save('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename)try:img = cv2.imread('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename)scale = 2/3new_image = cv2.resize(img, None, fx=scale, fy=scale, interpolation=cv2.INTER_AREA)cv2.imwrite('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename, new_image)except:raise Exception('create template1 error')im = Image.open('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename)box = (0, 0, 280, 32)region = im.crop(box)im1 = Image.new('RGB', (280, 32), color='white')im1.paste(region, (0, 0))im1.save('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename)with open('output.txt', 'a') as f:f.write(filename)f.write('  ')f.write("￥" + content + "\n")add_noise_blur(filename)def create_image(num):im = Image.open('88.jpg')m = random.randint(-70, 70)y = 120 - mbox = (27, y, 307, y + 32)region = im.crop(box)im1 = Image.new('RGB', (280, 32), color='white')im1.paste(region, (0, 0))draw = ImageDraw.Draw(im1)font_type1 = ['font/simfang.ttf', 'font/simhei.ttf', 'font/simkai.ttf', 'font/simsun.ttc']font_type2 = ['font/arial.ttf', 'font/calibri.ttf', 'font/tahoma.ttf', 'font/times.ttf', 'font/simfang.ttf','font/simsun.ttc']ttfont1 = ImageFont.truetype(font_type1[random.randint(0, len(font_type1) - 1)], 25)ttfont2 = ImageFont.truetype(font_type2[random.randint(0, len(font_type2) - 1)], 20)list = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '.']content = ''for i in range(10):content += list[random.randint(0, len(list)-1)]position_x = random.randint(100, 120)position_y = random.randint(2, 8)draw.text((position_x, position_y), content, fill='black', font=ttfont1)filename = 'img_' + str(num) + '.jpg'im1.save('/hulk/chenwanhui/wangyunmin/recogModel/train/images/' + filename)with open('output.txt', 'a') as f:f.write(filename)f.write('  ')f.write(content + "\n")add_noise_blur(filename)def create_template():im = Image.open('templates/square_template4.jpg')x = 290box = (x, 0, x + 25, 48)region = im.crop(box)im2 = Image.open('templates/square_template1.jpg')box = (0, 0, 420, 48)region2 = im2.crop(box)im3 = Image.new('RGB', (420, 48), color='white')im3.paste(region, (0, 0))im3.paste(region2, (25, 0))im3.save('templates2/square_template3.jpg')

去除图片中的字

def add_image_template1(image1, image2):"""删除需要替换的部分，构建合同模板:param image::return:"""im1 = Image.open(image1)im2 = Image.open(image2)size = im1.sizewidth = size[0]length = size[1]# 利用小矩形粘贴覆盖（距离需要完全一致）# box = (0,0,243,40)# region = im.crop(box)# im.paste(region, (1028,324,1271,364))# im.save('./000.jpg')# 利用颜色覆盖区域im1.paste('white', (1028, 324, 1271, 364))im1.paste('white', (451, 370, 538, 403))im1.paste('white', (453, 409, 853, 442))im1.paste('white', (455, 452, 1114, 486))im1.paste('white', (452, 492, 587, 520))im1.save('example_images/111.jpg')im3 = Image.open('example_images/111.jpg')im4 = Image.open('example_images/222.jpg')box = (0, 0, width, 1070)region = im3.crop(box)im4.paste(region, (0, 0, width, 1070))im4.save('img_template1.jpg')

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