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|PyramidKey (const std::string &str, int lv)|
A image pyramid is a image in multiple resolutions. Usually it is used to accelerate image processing, by using lower resolutions first. they are properly low pass filtered, so no undersampling occurs (it would if one just takes every 2^level pixel instead).
|filename||of source image|
|level||of pyramid. height and width are calculated as follows: height/(level^2), width/(level^1)|
Definition at line 376 of file ImageCache.h.
|HuginBase::ImageCache::PyramidKey::PyramidKey||(||const std::string &||str,|