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August 29, 2015 14:22
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OpenCVで顔画像を抜き出す
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import cv | |
import sys | |
storage = cv.CreateMemStorage() | |
# 読み込む画像を引数で指定する | |
img = cv.LoadImageM(sys.argv[1]) | |
# haarcascade_frontalface_default.xmlへのパス | |
# haarcascade_frontalface_default.xmlはここからDLする | |
# https://opencvlibrary.svn.sourceforge.net/svnroot/opencvlibrary/tags/latest_tested_snapshot/opencv/data/haarcascades/ | |
hc = cv.Load("/Path/to/haarcascade_frontalface_default.xml") | |
faces = cv.HaarDetectObjects(img, hc, storage, 1.1, 3, 0, (0, 0)) | |
max=0 | |
maxh=0 | |
maxw=0 | |
resx=0 | |
resy=0 | |
for (x, y, w, h), n in faces: | |
if max<w*h: | |
maxw=w | |
maxh=h | |
resx=x | |
resy=y | |
max=w*h | |
sub = cv.GetSubRect(img, (resx,resy,maxw,maxh)) | |
# 顔を抽出した画像をface_引数で保存する | |
cv.SaveImage("face_" + sys.argv[1], sub) |
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