Created
November 3, 2016 14:26
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opencvとnumpyが必要
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import argparse | |
import cv2 | |
import numpy as np | |
def showImg(img): | |
cv2.namedWindow("preview", cv2.WINDOW_NORMAL) | |
cv2.imshow("preview", img); | |
cv2.waitKey(0) | |
parser = argparse.ArgumentParser(description='Convert めるアイコン2016 to めるアイコン3') | |
parser.add_argument('infile', nargs=1) | |
parser.add_argument('-o', '--out') | |
args = parser.parse_args(); | |
img = cv2.imread(args.infile[0]) | |
grayImg = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) | |
#輪郭を得る | |
#60くらいを閾値として二値化 | |
_, mask_inverse = cv2.threshold(grayImg, 60, 255, cv2.THRESH_BINARY) | |
mask = cv2.bitwise_not(mask_inverse) | |
mask = cv2.cvtColor(mask, cv2.COLOR_GRAY2BGR) | |
mask_inverse = cv2.cvtColor(mask_inverse, cv2.COLOR_GRAY2BGR) | |
rinkaku = cv2.bitwise_and(img, mask) | |
#本体をHSVに変換して処理 | |
img = cv2.cvtColor(img, cv2.COLOR_BGR2HSV) | |
#要素ごとに分割する | |
img_h, img_s, img_v = cv2.split(img) | |
img_s = (img_s * 0.85).astype(np.uint8) | |
img_v = np.ones_like(img_v) * 255 | |
img = cv2.merge((img_h, img_s, img_v)) | |
img = cv2.cvtColor(img, cv2.COLOR_HSV2BGR) | |
#輪郭をHSVに変換して処理 | |
rinkaku = cv2.cvtColor(rinkaku, cv2.COLOR_BGR2HSV) | |
rinkaku_h, rinkaku_s, rinkaku_v = cv2.split(rinkaku) | |
rinkaku_s = (rinkaku_s * 0.75).astype(np.uint8) #輪郭はかなり強めに彩度を落とす | |
rinkaku_v = (rinkaku_v * 1.5).astype(np.uint8) #明度上げる | |
rinkaku = cv2.merge((rinkaku_h, rinkaku_s, rinkaku_v)) | |
rinkaku = cv2.cvtColor(rinkaku, cv2.COLOR_HSV2BGR) | |
#輪郭と合成 | |
img = cv2.bitwise_and(img, mask_inverse) | |
img = cv2.bitwise_or(img, rinkaku) | |
showImg(img) | |
#出力先が指定されていれば出力 | |
if(not args.out is None): | |
cv2.imwrite(args.out, img) | |
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