make facedetect.py work when the nested cascade is not specified

10 years ago · 036c438904
parent 5f8f56ea0e
commit 036c438904
1 changed files with 6 additions and 5 deletions
--- a/samples/python2/facedetect.py
+++ b/samples/python2/facedetect.py
@ -49,6 +49,7 @@ if __name__ == '__main__':
        rects = detect(gray, cascade)
        vis = img.copy()
        draw_rects(vis, rects, (0, 255, 0))
+        if not nested.empty():
            for x1, y1, x2, y2 in rects:
                roi = gray[y1:y2, x1:x2]
                vis_roi = vis[y1:y2, x1:x2]