当今中国，已经成为世界上公认的最安全的国家之一。在岁月静好的背后，离不开全国公安民警的辛勤付出和牺牲奉献。
My problem is that I have an image of a detailed street map. On this map, there can be a certain small image of a sign (such as a traffic light icon) rotated at any angle, maybe resized. I have this s
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