IntegralImage
Integral image (summed area table) for fast rectangle sums.
template <typename T> class IntegralImage
| Declared in | src/libs/libvision/vision/detection/haar/IntegralImage.hpp |
| Group | haar |
Detailed description
IntegralImage computes a summed area table from an input image, enabling O(1) computation of any rectangular region sum. This is essential for efficient Haar feature evaluation.
See also HaarFeatureExtractor, HaarFeature.