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43 lines
1.8 KiB
43 lines
1.8 KiB
// This file is part of OpenCV project. |
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// It is subject to the license terms in the LICENSE file found in the top-level directory |
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// of this distribution and at http://opencv.org/license.html. |
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/** Information Flow algorithm implementaton for alphamatting */ |
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#ifndef _OPENCV_ALPHAMAT_HPP_ |
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#define _OPENCV_ALPHAMAT_HPP_ |
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#include <opencv2/core.hpp> |
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/** |
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* @defgroup alphamat Alpha Matting |
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* Alpha matting is used to extract a foreground object with soft boundaries from a background image. |
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* |
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* This module is dedicated to computing alpha matte of objects in images from a given input image and a greyscale trimap image that contains information about the foreground, background and unknown pixels. The unknown pixels are assumed to be a combination of foreground and background pixels. The algorithm uses a combination of multiple carefully defined pixels affinities to estimate the opacity of the foreground pixels in the unkown region. |
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* |
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* The implementation is based on @cite aksoy2017designing. |
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* |
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* This module was developed by Muskaan Kularia and Sunita Nayak as a project |
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* for Google Summer of Code 2019 (GSoC 19). |
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* |
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*/ |
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namespace cv { namespace alphamat { |
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//! @addtogroup alphamat |
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//! @{ |
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/** |
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* @brief Compute alpha matte of an object in an image |
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* @param image Input RGB image |
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* @param tmap Input greyscale trimap image |
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* @param result Output alpha matte image |
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* |
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* The function infoFlow performs alpha matting on a RGB image using a greyscale trimap image, and outputs a greyscale alpha matte image. The output alpha matte can be used to softly extract the foreground object from a background image. Examples can be found in the samples directory. |
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* |
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*/ |
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CV_EXPORTS_W void infoFlow(InputArray image, InputArray tmap, OutputArray result); |
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//! @} |
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}} // namespace |
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#endif
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