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Generate Random Uniform Colored Image with OpenCV
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import random | |
import numpy as np | |
import matplotlib.pyplot as plt | |
from tqdm import tqdm, trange | |
from pathlib import Path | |
import cv2 as cv | |
def random_color_image(size=(600,800)): | |
r = int(np.random.uniform(0,255)) | |
g = int(np.random.uniform(0,255)) | |
b = int(np.random.uniform(0,255)) | |
rgb = [r,g,b] | |
hex_color = "{:02x}{:02x}{:02x}".format(r,g,b) | |
img_base = np.ones((size[0], size[1], 3)) | |
img_color = img_base * rgb | |
img = img_color.astype(np.uint8) | |
return img, hex_color | |
def generate_random_color_image(dst_path, num=100, img_size=(800,600)): | |
dst_path = Path(dst_path) | |
imsize_string = f'{img_size[0]}x{img_size[1]}px' | |
imsize = (img_size[1], img_size[0]) | |
for idx in trange(1, num+1): | |
img, color = random_color_image(size=imsize) | |
fname = f'{idx:04}_{color}_{imsize_string}.jpg' | |
fpath = dst_path.joinpath(fname) | |
cv.imwrite(str(fpath), img) | |
if __name__ == '__main__': | |
root = '/data/extended/text_dataset/text_renderer/indo4b/sources/bg/color/' | |
generate_random_color_image(root) | |
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