38 lines
969 B
C++
38 lines
969 B
C++
#pragma once
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#include <opencv2/opencv.hpp>
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/*! \file integral_image.h
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\brief The file provides functions that calculate an integral image.
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*/
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namespace integral_image {
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//TODO: The algorithms do not require the data to be of 'double' type.
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//Consider to turn functions into template functions.
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using Mat = cv::Mat_<double>;
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//! A reference serial implementation of the integral image algorithm.
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/*!
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\param image an input 1-channel image.
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\return The integral image of the input
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\sa integral_image_openmp
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*/
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Mat integral_image_serial(const Mat &image);
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//! An OpenMP-accelerated function that calculates an integral image.
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/*!
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\param image an input 1-channel image.
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\param thread_number number of worker threads. If \p thread_number is equal to 0, the threads are created dynamically. Defaults to 0.
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\return The integral image of the input
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\sa integral_image_serial
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*/
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Mat integral_image_openmp(const Mat &image, int thread_number = 0);
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}
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